Leading US SaaS Companies & Startups to Watch in 2025 [Extended List]

We've made a list of the top 60 up-and-coming US SaaS startups in 2025.

The US SaaS ecosystem continues to lead the charge in shaping how businesses leverage software, and this new generation of startups proves it. From AI-native developer tools and automation platforms to cutting-edge product analytics, security solutions, and voice technology, these companies are redefining software for the era of AI

This list highlights some of the most promising US SaaS startups that are attracting capital, users, and attention; reshaping how software is built, deployed, and consumed.

Let’s dive in.

1. Perplexity

Industry: Conversational AI & Search Technology

AI-powered search engine providing direct, cited answers to user queries by integrating multiple sources.

Location: San Francisco, California, USA
Founded: 2022
Last Funding Round: $500M Series D led by Accel (2025)
Total Funding: ~$915M
Valuation: $14B (May 2025)
Number of Users: 30M active users
Growth Rate: Over 100M weekly queries processed

Key Features

AI-powered search engine, natural language processing, mobile applications, browser integration, voice mode, multi-source citation

2. Anysphere(Cursor)

Industry: AI-powered developer tools / IDE

AI-enhanced code editor designed to boost developer productivity through natural language processing.

Location: San Francisco, California, USA
Founded: 2022
Last Funding Round: $900M Series C (May 2025)
Total Funding: $1.2B
Valuation: $9.9B
Number of Users: 1M+ developers
Growth Rate: $500M ARR (doubled every 2 months)

Key Features

Natural language code generation, smart code rewrites, codebase querying, agent-based task automation

3. Klaviyo

Industry: Marketing automation & B2C CRM

Data-driven marketing platform for consumer brands to automate email, SMS, and analytics.

Location: Boston, Massachusetts, USA
Founded: 2012
Last Funding Round: $576M IPO (Sep 2023)
Total Funding: $778M
Valuation: ~$9.2B post-IPO
Number of Users: 169K+ customers
Growth Rate: 33% YoY revenue growth (Q1 2025)

Key Features

Email and SMS automation, AI marketing analytics, customer data platform, real-time segmentation

4. Workato

Industry: Enterprise Automation Integration Platform

Cloud-based platform for automating workflows and integrating applications.

Location: Mountain View, California, USA
Founded: 2013
Last Funding Round: $200M Series E (Nov 2021)
Total Funding: ~$421M
Valuation: $5.7B
Number of Users: 17K+ organizations
Growth Rate: $150M ARR (2023) +36% YoY

Key Features

Low-code automation, 1200+ connectors, AI-powered agents, B2B/EDI automation, API management

5. NinjaOne

Industry: Endpoint management IT & security

Automated endpoint visibility, security, patching, and device management platform.

Location: Austin, Texas, USA
Founded: 2013
Last Funding Round: $500M Series C extension (Feb 2025)
Total Funding: $761M
Valuation: $5B
Number of Users: 24K+ customers (5M+ endpoints)
Growth Rate: Doubled valuation in 12 months

Key Features

Remote monitoring, patch management, endpoint security, backup, automation, 24/7 support

6. Zencoder

Industry: AI-powered developer tools / IDE

An AI coding agent platform offering autonomous and collaborative “Zen Agents” that analyze entire codebases, generate, test, refactor, and deploy code, integrated deeply with developer workflows.

Location: Campbell, California, USA
Founded: 2023
Number of Users: ≥500 companies waitlisted; 46.6 K+ VS Code installs
Growth Rate: Significant growth since 2023, traction includes Product Hunt launch in April 2025, general availability in June 2025, and announcements of Zentester and CI/CD Zen Agents in May–June 2025

Key Features

Repo Grokking™, Agentic Pipeline/Repair/Loop™, Zen Agents, code assist, chat AI, test generation, CI/CD integration, IDE & toolchain integrations

7. Amplitude

Industry: Product Analytics Digital Optimization

Product analytics software for understanding user behavior and optimizing experiences.

Location: San Francisco, California, USA
Founded: 2014
Last Funding Round: $150M Series F (Jun 2021)
Total Funding: ~$336M
Valuation: $4B
Number of Users: 5K+ companies
Growth Rate: $320M ARR (Q1 2025) +12% YoY

Key Features

Product Analytics, Feature Experimentation, Session Replay, Web Analytics, Guides and Surveys

8. Cribl.io

Industry: Data Infrastructure & Observability

Vendor-agnostic data management platform for collecting, processing, and routing telemetry data.

Location: San Francisco, California, USA
Founded: July 2018
Last Funding Round: $319M Series E (Aug 2024)
Total Funding: $600M+
Valuation: $3.5B
Number of Users: 25%+ of Fortune 100
Growth Rate: $200M ARR (Jan 2025) 163% CAGR

Key Features

Vendor-agnostic data collection, real-time processing, intelligent routing, edge data processing

9. ElevenLabs

Industry: AI-powered voice synthesis & generative audio

Platform for realistic AI voice generation, cloning, and conversational agents.

Location: New York City, New York, USA
Founded: 2022
Last Funding Round: $180M Series C (Jan 2025)
Total Funding: $281M
Valuation: $3.3B
Number of Users: 1M+ users / 60%+ Fortune 500
Growth Rate: ARR grew $25M to ~$90M

Key Features

Text-to-speech, voice cloning, conversational AI agents, multilingual dubbing, voice marketplace

10. Harvey

Industry: Legal Technology (Legal AI)

AI-powered platform for legal professionals with document review, contract drafting, and research.

Location: San Francisco, California, USA
Founded: 2022
Last Funding Round: $300M Series D (Feb 2025)
Total Funding: ~$506M
Valuation: $3B
Number of Users: 25%+ of top 100 U.S. law firms
Growth Rate: $75M ARR (April 2025)

Key Features

Document review automation, contract drafting, legal research, compliance checks, legal software integration

11. Abridge

Industry: Healthcare AI / Clinical Documentation

AI-powered tools to automate medical note-taking and enhance patient-provider conversations.

Location: Pittsburgh, Pennsylvania, USA
Founded: 2018
Last Funding Round: $250M Series D (Feb 2025)
Total Funding: $462.5M
Valuation: $2.75B
Number of Users: 24K+ clinicians across 100+ systems
Growth Rate: Rapid adoption at major institutions

Key Features

Real-time clinical note generation, EHR integration, multilingual support, AI-driven billing documentation

12. Recorded Future

Industry: Cybersecurity & Threat Intelligence

Real-time, machine‑learning‑driven threat intelligence from open, dark, and technical sources.

Location: Somerville, Massachusetts, USA
Founded: 2009
Last Funding Round: Series E $25M
Total Funding: $72.3M
Valuation: Acquired by Mastercard for $2.65B (Sep 2024)
Number of Users: 1900+ enterprise clients
Growth Rate: 410% increase from 2016 to 2019

Key Features

Real‑time threat intelligence, dark‑web monitoring, temporal analytics, machine-learning signal detection

13. Unqork

Industry: Enterprise No-Code Development Platform

No-code application development platform for enterprises in regulated industries.

Location: New York, USA
Founded: 2017
Last Funding Round: $207M Series C (Oct 2020)
Total Funding: $416M
Valuation: $2B
Number of Users: Goldman Sachs, Liberty Mutual, NYC
Growth Rate: $113M annual revenue (2024)

Key Features

Visual application builder, workflow automation, data modeling, API integrations, enterprise security

14. Supabase

Industry: Backend-as-a-Service & Developer Infrastructure

Developer-friendly platform built on PostgreSQL with managed database, auth, and real-time updates.

Location: San Francisco, California, USA
Founded: 2020
Last Funding Round: $200M Series D (Apr 2025)
Total Funding: ~$398M
Valuation: $2B
Number of Users: 1.7M+ developers (3.5M environments)
Growth Rate: Sign‑ups doubled (3 months before Series D)

Key Features

Managed PostgreSQL, real‑time subscriptions, authentication, file storage, serverless Edge Functions

15. Instabase

Industry: AI-powered document processing

Platform using OCR, NLP, and computer vision to extract data from unstructured documents.

Location: San Francisco, California, USA
Founded: 2015
Last Funding Round: $100M Series D (Jan 2025)
Total Funding: ~$322M
Valuation: $2B
Number of Users: ~45 enterprise customers
Growth Rate: $46M ARR (2023)

Key Features

OCR, NLP, computer vision, document extraction, low-code workflows, LLM-powered AI Hub

16. Hippocratic AI

Industry: Healthcare Generative AI

Clinician-grade AI agents for non-diagnostic patient interactions with safety oversight.

Location: Palo Alto, California, USA
Founded: 2023
Last Funding Round: $141M Series B (Jan 2025)
Total Funding: $278M
Valuation: $1.64B
Number of Users: 23+ health systems
Growth Rate: Series B 9 months after Series A

Key Features

Safety‑focused LLM, clinician-in‑the‑loop testing, patient-facing agents, AI agent app store

17. FloQast

Industry: Accounting software (financial close management)

Cloud-based platform automating close management and financial operations with ERP integrations.

Location: Los Angeles, California, USA
Founded: 2013
Last Funding Round: $100M Series E (Apr 2024)
Total Funding: $292M
Valuation: $1.6B
Number of Users: 3K+ customers globally
Growth Rate: Rapid growth in customer base (2024)

Key Features

Automated reconciliations, checklist management, Excel-linked tie-outs, ERP integrations, AI-powered automation

18. Apptronik

Industry: AI-powered humanoid robotics

Human-centered robotics developing Apollo humanoid robot for industrial tasks.

Location: Austin, Texas, USA
Founded: 2016
Last Funding Round: $403M Series A (Feb-Mar 2025)
Total Funding: $436M
Valuation: $1.5B
Number of Users: Mercedes‑Benz, GXO, NVIDIA
Growth Rate: Record growth over 3 years

Key Features

Apollo humanoid robot, modular design, industrial actuators, robot-as-a-service model

19. Decagon

Industry: AI-powered customer support agents

AI platform automating customer support via chat, email, and voice with analytics.

Location: San Francisco, California, USA
Founded: 2023
Last Funding Round: $131M Series C on June 23, 2025
Total Funding: $231 million
Valuation: $1.5B (estimated)
Number of Users: Enterprises including Eventbrite
Growth Rate: Rapid growth with Series C discussions

Key Features

AI-driven agent assistance, multi-channel support, analytics, integration with customer service systems

20. Intercom

Industry: AI-powered customer service platform

Messaging-first tools including Fin AI agent for automating customer support and engagement.

Location: San Francisco, California, USA
Founded: 2011
Last Funding Round: $125M Series D (Mar 2018)
Total Funding: ~$241M
Valuation: $1.3B
Number of Users: 25K+ businesses
Growth Rate: 25% year-over-year in 2024

Key Features

Fin AI agent, multichannel messaging, automation workflows, proactive support, real-time engagement

21. Snorkel AI

Industry: AI data development & programmatic labeling platform (ML infrastructure/SaaS) 

Platform enabling enterprises to build, label, evaluate, and tune AI/ML models at scale using programmatic weak supervision, expert-assisted datasets, and model evaluation workflows—primarily for unstructured data types like text, documents, logs, and images.

Location: Redwood City, California, USA
Founded: 2019
Last Funding Round: Series D – $100 million (May 29, 2025)
Total Funding:  $237 million across six rounds 
Valuation: $1.3B
Number of Users: Enterprises including Fortune 500 companies and U.S. federal agencies; not publicly disclosed but rapidly growing customer base 
Growth Rate: Triple-digit customer growth in 2022; recent momentum driving 40%+ cost savings for clients; Series D fuelled increased platform adoption of Snorkel Evaluate and Expert Data offerings 

Key Features

Programmatic weak supervision labeling, labeling functions, Snorkel Flow platform, Snorkel Evaluate, Expert Data-as-a-Service, end-to-end data development, model tuning & evaluation, domain-specific datasets, workflow orchestration, analytics & error analysis 

22. Semgrep

Industry: AI-powered static application security testing (SAST) platform for developer-first code security.

Platform combining open-source Semgrep code scanning with commercial rule management, contextual LLM-enhanced analysis, and enterprise guardrails to detect vulnerabilities, secrets, supply chain issues, and enforce code policies at scale.

Location: San Francisco, California, USA
Founded: 2017
Last Funding Round: Series D – $100 million led by Menlo Ventures (February 2025)
Total Funding: Approximately $204 million across six rounds 
Valuation: $1.3B
Number of Users: Open‑source Semgrep has 2+ million developers; commercial platform adopted by hundreds of enterprises including Snowflake and Dropbox 
Growth Rate: ~40% increase in users in 2024; enterprise pipeline up ~74% in Q3 2024; platform revenue and adoption surging post-Series D

Key Features

Fast semantic code scanning (<20 s), customizable rule library, programmatic and LLM-enhanced analysis, secure guardrails in developer workflow, secrets/supply chain scanning, cross-file analysis, path-sensitive analytics, low false positives, enterprise dashboard and metrics

23. Windsurf (Codeium)

Industry: AI‑powered developer tools & code completion

Generative AI coding platform with smart code suggestions and agentic capabilities.

Location: Mountain View, California, USA
Founded: 2021
Last Funding Round: $150M Series C (Aug 2024)
Total Funding: ~$243M
Valuation: $1.25B (raising at ~$2.85B)
Number of Users: 700K+ developers / 1000+ enterprises
Growth Rate: ARR grew ~$12M to ~$40M (230% growth)

Key Features

AI code completion, agentic coding (Windsurf), Cortex reasoning engine, multi‑IDE support

24. Statsig

Industry: Product experimentation & feature flagging

Unified platform for feature flags, A/B testing, session replay, and analytics.

Location: Bellevue, Washington, USA
Founded: 2021
Last Funding Round: $100M Series C (May 2025)
Total Funding: $153M
Valuation: $1.1B
Number of Users: Microsoft, Atlassian, Notion +
Growth Rate: ~300% YoY growth to $40M ARR

Key Features

Feature flagging, A/B experimentation, product analytics, session replay, warehouse-native metrics

25. KnowBe4

Industry: Security awareness training & simulated phishing

Platform for security awareness training and simulated phishing campaigns.

Location: Clearwater, Florida, USA
Founded: 2010
Last Funding Round: $309M Series D (Jun 2019)
Total Funding: $403M
Valuation: $1B
Number of Users: 60K+ organizations
Growth Rate: 245% growth (2018-2021)

Key Features

Security awareness training, simulated phishing, AI-enhanced reporting, compliance training libraryFeature flagging, A/B experimentation, product analytics, session replay, warehouse-native metrics

26. Redpanda

Industry: Streaming Data Real-Time Analytics

High-performance, Kafka®-compatible streaming data platform for real-time analytics.

Location: San Francisco, California, USA
Founded: 2019
Last Funding Round: $100M Series D (Apr 2025)
Total Funding: $265M
Valuation: $1B
Number of Users: Not disclosed
Growth Rate: 300% YoY revenue / 179% customer growth

Key Features

Kafka compatibility, real-time streaming, tiered storage, 300+ connectors, multi-cloud support

27. Vendr

Industry: SaaS procurement & price transparency

Platform offering SaaS pricing insights, benchmarking, and procurement automation.

Location: Boston, Massachusetts, USA
Founded: 2019
Last Funding Round: $150M Series B (Feb 2022)
Total Funding: $216M
Valuation: $1B
Number of Users: 40K+ software buyers
Growth Rate: Revenue grew 5× launch to Series A

Key Features

Price benchmarking (20K+ products), negotiation-as-a-service, procurement automation, market insights

28. BambooHR

Industry: Human Resources Software (HRIS & Payroll)

Cloud-based HR platform for SMBs with hiring, onboarding, payroll, and performance management.

Location: Lindon, Utah, USA
Founded: 2008
Last Funding Round: $15M (2022)
Total Funding: $57M
Valuation: $1B
Number of Users: 3M+ users
Growth Rate: $274M annual revenue (2024)

Key Features

Hiring and onboarding, payroll and time tracking, HR analytics, benefits administration, AI-driven insights

29. PostHog

Industry: Customer infrastructure platform—analytics, feature flags, session replay, CDP, error tracking, experimentation (Developer tools/SaaS)

Combines product analytics, web analytics, session replay, feature flags, error tracking, experiments, surveys, warehouse, and CDP into a single open-source/developer-first platform; adds AI assistant (“Max AI”) for querying and automating workflows.

Location: San Francisco, California, USA (fully remote)
Founded: 2020
Last Funding Round: Series D – $70 million (June 9, 2025), led by Stripe, with GC, YC, Formus
Total Funding: ~$119 million over 6 rounds
Valuation:  $920 million post-Series D (June 2025)
Number of Users: 100,000+ registered users; ~1,500 companies sign up weekly; customers include developers, startups, Fortune 500s
Growth Rate: 3× YoY ARR growth; multiple $10 M ARR; web traffic ~11 million visits/month (May 2024); scaling from early traction to full platform adoption

Key Features

Product analytics, web analytics, session replay, feature flags, A/B testing, error tracking, surveys, CDP, data warehouse integration, open-source API, self-hosting, AI assistant Max AI for querying and automating insights

30. Baseten

Industry: AI inference infrastructure platform (Developer tools/SaaS)

Offers a managed platform for deploying, serving, and managing AI models at scale with performant inference, autoscaling, observability, and compound workflow support via its Chains orchestration tool .

Location: San Francisco, California, USA (HQ)
Founded: 2019
Last Funding Round: Series C – $75 million (May 17, 2025), co-led by IVP and Spark 
Total Funding: $135 million total (including Series A/B/C) 
Valuation: ~$825 million–$1 billion post-Series C 
Number of Users: Powers mission-critical inference for leading AI-native companies (e.g., Abridge, Descript, Writer); runs workloads on thousands of GPUs and serves millions of end-users 
Growth Rate: Fivefold revenue growth year-over-year; ARR grew 6× YTD since Series B; team tripled to ~50 employees 

Key Features

High-performance inference stack, multi-cloud autoscaling, low-latency cold starts, Chains orchestration, self-host/hybrid support, model management, observability tools, SOC‑2/HIPAA compliance, GPU-optimized performance research, embedded Whisper transcription, embeddings inference

31. Greenhouse Software

Industry: Recruiting & HR Software

Cloud-based recruiting platform with structured hiring processes and interview scorecards.

Location: New York City, New York, USA
Founded: 2012
Last Funding Round: $50M Series D (2018)
Total Funding: $156.5M
Valuation: $820M
Number of Users: 7500+ customers
Growth Rate: $266.3M revenue (2024)

Key Features

Structured hiring processes, interview scorecards, analytics, candidate sourcing, AI-powered insights

‍‍32. You

Industry: AI-powered search assistant and productivity platform

Chat-first AI assistant built on a personalized search engine, combining multimodal AI chat, live internet access, and custom agents to help knowledge workers with research, problem-solving, writing, coding, and enterprise workflows.

Location: Palo Alto, California, USA
Founded: 2020
Last Funding Round: Series B – $50M (September 4, 2024) led by Georgian Ventures with Salesforce Ventures, NVIDIA, DuckDuckGo, Day One, Gen Digital, SBVA
Total Funding: $99M across Seed ($20M in Nov 2021), Series A ($25M in July 2022), and Series B ($50M)
Valuation: $700–900M post-Series B (2024) and in talks for $1.4B round in June 2025
Number of Users: Millions of active users; platform processed 1 billion queries since launch; “over a million active users” by Dec 2022
Growth Rate: ARR up 500% since January 2024; web traffic rose to ~11 M visits in May 2024; premium profits “multiplying by 100” in early 2025

Key Features

‍AI chat assistant (YouChat), multimodal responses, live internet citing, AI Modes (Smart, Genius, Create, Research), custom AI agents, YouPro subscription, tools like YouWrite, YouCode, YouImagine, enterprise AI Agents, team collaboration, API access

33. Middesk

Industry: Identity verification  & business onboarding

Identity-as-a-service platform for business verification, underwriting, and compliance.

Location: San Francisco, California, USA
Founded: 2019
Last Funding Round: $57M Series B (Jun 2022)
Total Funding: ~$77M
Valuation: $760M (estimated)
Number of Users: 500+ customers
Growth Rate: Fast Company 2025, Forbes Fintech 50

Key Features

Business verification APIs, KYB automation, credit assessments, entity management, compliance monitoring

34. Protect AI

Industry: AI & ML Security Platform

AI security posture management with model scanning, runtime monitoring, and threat mitigation.

Location: Seattle, Washington, USA
Founded: 2022
Last Funding Round: $60M Series B (Aug 2024)
Total Funding: $108.5M
Valuation: Estimated $700M (acquisition talks)
Number of Users: 15K+ community researchers
Growth Rate: Team grew 300% YoY post-Series A

Key Features

Guardian model scanning, Recon red-teaming, Layer runtime protection, MLSecOps tools

35. Hex

Industry: Data science and analytics platform

Collaborative analytics workspace combining SQL, Python, no‑code, and AI notebooks.

Location: San Francisco, California, USA
Founded: 2020
Last Funding Round: $70M Series C (May 2025)
Total Funding: $172M
Valuation: $620M
Number of Users: Reddit, StubHub, HubSpot, Cisco
Growth Rate: Rapid adoption across thousands of teams

Key Features

Multi-language notebooks, AI assistant (Hex Magic), interactive data apps, real‑time collaboration

36. Tennr

Industry: HealthTech, AI-powered patient referral automation

Tennr is a New York-based health tech startup focused on automating the patient referral process to reduce delays and improve care coordination.

Location: New York, NY, USA
Founded: 2021
Last Funding Round: Series C – $101M on June 18, 2025
Total Funding: $162M (including Series A and B rounds)
Valuation: $605M post-Series C
Number of Users: Tennr processes over 10 million documents monthly and serves hundreds of healthcare organizations, including hospitals and medical practices.
Growth Rate: Revenue has more than tripled since the Series B round in October 2024. The company is expanding its product offerings and customer base.

Key Features

RaeLM™ vision-language model, automated patient referral workflows, payer criteria compliance, document parsing and routing, Tennr Network for referral status visibility, integration with existing healthcare systems, 24/7 availability.

37. WorkOS

Industry: Enterprise Software Identity & Access Management

APIs and tools for SaaS developers to integrate enterprise features like SSO and MFA.

Location: San Francisco, California, USA
Founded: 2019
Last Funding Round: $80M Series B (Jun 2022)
Total Funding: ~$95M
Valuation: $525M
Number of Users: 200+ paying customers
Growth Rate: 5x API traffic increase (6 months)

Key Features

Single Sign-On (SSO), Directory Sync (SCIM), Multi-Factor Authentication, Audit Logs, AuthKit

38. Connectbase

Industry: Connectivity industry spend/control platform

Location-based intelligence platform for buying/selling connectivity capacity.

Location: Westborough, Massachusetts, USA
Founded: 2015
Last Funding Round: $4.5M Series C II (Mar 2024)
Total Funding: $54-55M
Valuation: $100-500M (estimated)
Number of Users: 400+ providers / 3.4B locations
Growth Rate: Forbes Best Startup Employers

Key Features

Location‑truth mapping, network availability intelligence, SaaS marketplace, API automation

39. Textio

Industry: AI-driven augmented writing for HR & recruiting (SaaS) 

Platform that uses AI and linguistics to optimize job postings and workplace communication; suggesting bias-free, inclusive, high-impact language in real time to improve candidate quality and team effectiveness.

Location: Seattle, Washington, USA 
Founded: 2014
Last Funding Round: March 2020 venture round – $12 M
Total Funding: Approximately $42.5M over 4 rounds 
Valuation: $100-500M (estimated)
Number of Users: Used by over 25% of Fortune 500 employers, including AmEx, Cisco, Bloomberg, Samsung, Spotify; serves 50–200 employees internally 
Growth Rate: Estimated $35 M revenue in 2025; platform expanded with new Interview Feedback feature in March 2025; experienced layoffs early 2025, but continues product and customer growth 

Key Features

Real-time bias and tone suggestions, inclusive writing guidance, predictive recruitment language modeling, Interview Feedback tool, job-post optimization, performance review assistance, analytics dashboard, HR system integrations, responsible AI capabilities 

40. Truework

Industry: Employment & income verification

Automated platform for verifying employment and income data for lenders and employers.

Location: San Francisco, California, USA
Founded: 2017
Last Funding Round: $50M Series C (Aug 2022)
Total Funding: ~$129M
Valuation: $480M (estimated)
Number of Users: 12M+ verifications annually
Growth Rate: Inc. 5000 list (2022-2023)

Key Features

Automated verification, payroll integration, fraud detection, real-time processing, API access

41. Encharge AI

Industry: AI accelerator chips & analog computing

Energy‑efficient analog in-memory compute chips for AI inference at edge devices.

Location: Santa Clara, California, USA
Founded: 2021
Last Funding Round: $100M Series B (Feb 2025)
Total Funding: $144M+
Valuation: ~$417M (estimated)
Number of Users: Development partnerships
Growth Rate: 5 generations of chip design

Key Features

Analog in-memory compute, reduced-power AI inference, programmable IMC architecture

42. Incident.io

Industry: AI-powered incident management & DevOps

Platform for incident response, on-call scheduling, and status communications.

Location: San Francisco, California, USA
Founded: 2021
Last Funding Round: $62M Series B (Apr 2025)
Total Funding: $96.2M
Valuation: $400M
Number of Users: 10K+ responders across 600+ orgs
Growth Rate: Tripled customer base (12 months)

Key Features

On-call scheduling, incident response workflows, AI-powered resolution, integrations with Slack/Teams

43. Abacus AI

Industry: Enterprise AI platform & MLops

AI super‑assistant platform for building, deploying, and managing AI agents, vision and forecasting models.

Location: San Francisco, California, USA
Founded: April 2019
Last Funding Round: $50M Series C (Oct 2021)
Total Funding: $90.2M
Valuation: $374M
Number of Users: 100K+ customers
Growth Rate: ~25% YoY headcount growth

Key Features

ChatLLM, AI agent orchestration, vision AI, forecasting, anomaly detection, full MLOps platform

44. Livekit

Industry: Voice & real-time multimedia AI infrastructure

Voice-first AI platform with open-source real-time audio/video infrastructure.

Location: San Jose, California, USA
Founded: 2021
Last Funding Round: $45M Series B (Apr 2025)
Total Funding: $83M
Valuation: $345M
Number of Users: 100K+ developers (3B+ calls/year)
Growth Rate: $3.7M revenue with 34-person team

Key Features

Open-source WebRTC, real-time streaming, low-latency edge cloud, voice-agent framework

45. Solace

Industry: Digital health & patient advocacy

Platform matching patients with healthcare advocates covered by Medicare Advantage.

Location: Redwood City, California, USA
Founded: 2022
Last Funding Round: $60M Series B (Apr 2025)
Total Funding: $75M
Valuation: $300M
Number of Users: All major Medicare Advantage plans
Growth Rate: $10M revenue run rate (early 2025)

Key Features

Patient advocacy, Medicare coverage, expert matching, care coordination, appointment scheduling

46.unitQ

Industry: AI-driven customer feedback analytics

Platform analyzing real-time user feedback to auto-categorize quality issues.

Location: Burlingame, California, USA
Founded: 2018
Last Funding Round: Strategic investment from Zendesk
Total Funding: ~$41M
Valuation: $120-180M
Number of Users: Spotify, Bumble, Pinterest
Growth Rate: $16M revenue with 67-person team

Key Features

Real-time feedback aggregation, agentQ AI categorization, unitQ Score, anomaly detection

47. Copy.ai

Industry: AI-powered copywriting & workflow automation

AI-driven platform for generating marketing copy and automating GTM workflows.

Location: Memphis, Tennessee, USA
Founded: 2020
Last Funding Round: $3M convertible note (Nov 2023)
Total Funding: $16.9M
Valuation: $100M
Number of Users: 17M+ users / thousands of enterprises
Growth Rate: 480% revenue growth (2024)

Key Features

AI copy generation, GTM workflow automation, enterprise integrations, multi-language support

48. Fathom

Industry: AI-powered meeting intelligence & notetaking

AI meeting assistant for recording, transcribing, and summarizing meetings.

Location: San Francisco, California, USA
Founded: August 2020
Last Funding Round: $17M Series A (Sep 2024)
Total Funding: $21.7M
Valuation: $73M
Number of Users: 8500+ companies
Growth Rate: Revenue grew 90× over 2 years

Key Features

Real-time transcription, AI summaries, meeting clips, follow-up emails, CRM integrations

49. SwipeSum

Industry: Fintech payment consultancy & automation

Software-powered service acting as chief payments officer for businesses.

Location: St. Louis, Missouri, USA
Founded: 2016
Last Funding Round: $1.1M seed extension (May 2020)
Total Funding: $5.05M
Valuation: $16-24M
Number of Users: 1000+ merchants / $30B+ volume
Growth Rate: 800% revenue growth

Key Features

AI-powered statement analyzer, fee optimization, contract negotiation, chargeback management

50. Stainless

Industry: API developer tools & SDK generation

AI-driven platform auto-generating and maintaining high-quality SDKs from OpenAPI specs.

Location: New York, NY, USA
Founded: 2022
Last Funding Round: $25M Series A (Dec 2024)
Total Funding: $25M
Valuation: $20M
Number of Users: OpenAI, Anthropic, Cloudflare
Growth Rate: ~$1M ARR by Series A

Key Features

OpenAPI SDK generation, multi-language support, auto-updates, GitHub Actions integration

51. Gigs

Industry: Telecom-as-a-service platform / Mobile virtual network operator (MVNO) toolkit

Offers an “MVNO in a box” software stack that enables tech firms to integrate mobile services (voice, data, roaming eSIMs) into their products via APIs and turnkey telco infrastructure.

Location: San Francisco, California, USA
Founded: 2020
Last Funding Round: Series B – $73M (Dec 2024), led by Ribbit Capital with participation from Gradient, YC, Speedinvest 
Total Funding: ~$93M
Valuation: Not disclosed
Number of Users: 600+ customers (tech brands & fintechs like Nubank, Klarna, Revolut)
Growth Rate: Launched 2020, scaled to 600+ customers, expanded team to 90+ employees, processed global eSIM launches and telco partnerships (e.g., Vodafone) by end‑2024

Key Features

API-based mobile service provisioning, eSIM support, global connectivity, OSS/BSS, telecom payments/tax automation, analytics dashboard, multi-currency billing, MVNO toolkit, AI support via Operator product, security/compliance ready

52. Taktile

Industry: AI‑powered risk decisioning

Low‑code platform for automated decision workflows in fraud, credit, and compliance.

Location: New York, NY, USA
Founded: 2020
Last Funding Round: €51.5M Series B (Feb 2025)
Total Funding: ~$75M
Valuation: Not disclosed
Number of Users: 24 markets deployment
Growth Rate: Quadrupled customers / 3.5× ARR (2024)

Key Features

Decisioning Workbench, AI Copilot, Data Marketplace, Case Management, Agentic AI workbench

53. Guru

Industry: Knowledge management & enterprise collaboration

AI-enhanced platform for capturing and surfacing organizational knowledge in workflows.

Location: Philadelphia, Pennsylvania, USA
Founded: 2013
Last Funding Round: $30M Series C (Apr 2020)
Total Funding: ~$70.7M
Valuation: Not disclosed
Number of Users: Shopify, Square, Spotify, Zoom
Growth Rate: ARR doubled YoY during pandemic

Key Features

AI Suggest, browser extension, knowledge verification, Slack integration, real-time knowledge surface

54. Lumos

Industry: SaaS application and identity management platform for IT/security teams 

Unified platform that helps enterprise IT and security teams discover and manage SaaS applications and user identities via automation, self-service AppStore, license optimization, access reviews, and security posture management .

Location: San Francisco, California, USA
Founded: 2020
Last Funding Round: Series B – $35M (May 23, 2024)
Total Funding: $65M
Valuation: Not disclosed
Number of Users: Adopted by enterprise customers like Pinterest, MongoDB, GitHub
Growth Rate: Revenue grew 9× since last fundraise; scaled to hundreds of customers within a year

Key Features
SaaS app discovery, self-service AppStore, access reviews, identity governance, autopilot license optimization, least-privilege controls, lifecycle automation, AI-driven policy enforcement, on-prem/cloud integrations, real-time security posture

55. The Helper Bees

Industry: Aging‑in‑place technology & care platform

Platform for insurers to deploy credentialed non‑medical care services into homes.

Location: Austin, Texas, USA
Founded: 2015
Last Funding Round: $35M Series C (Jan 2025)
Total Funding: $61.4M+
Valuation: Not disclosed
Number of Users: 43 carriers / 20K+ providers
Growth Rate: 3× revenue increase post‑Series B

Key Features

Provider credentialing, in‑home service fulfillment, digital payments, care concierge

56. LeadIQ

Industry: B2B sales prospecting & lead enrichment

Chrome‑extension–powered platform for sales teams to capture contact data and automate outreach.

Location: San Francisco, California, USA
Founded: 2015
Last Funding Round: $30M Series B (Oct 2021)
Total Funding: $40-42M
Valuation: Not disclosed
Number of Users: Thousands of sales teams
Growth Rate: Tripled revenue to eight‑digit ARR

Key Features

Chrome extension data capture, automated buying‑signal tracking, AI‑generated email outreach, CRM enrichment

57. SmartSuite

Industry: Enterprise work‑management & no‑code

Unified, no‑code platform for managing workflows, projects, automations, and collaboration.

Location: Newport Beach, California, USA
Founded: 2022
Last Funding Round: $13M Series A (Feb 2025)
Total Funding: $38M
Valuation: Not disclosed
Number of Users: 50K+ users across 5K+ businesses
Growth Rate: 300% growth in user base (past 12 months)

Key Features

No‑code workflow automation, project management, document collaboration, time tracking, GRC & compliance

58. Play AI

Industry: Conversational Voice AI / Text-to-Speech platform 

Enables real-time voice agents and ultra-realistic AI voices via text-to-speech and speech editing capabilities, allowing enterprises and creators to build expressive, context-aware conversational interfaces.

Location: Palo Alto, California, USA
Founded: 2019
Last Funding Round: Seed – $21 million (November 2024)
Total Funding: $21 million in a single seed round
Valuation: Not disclosed
Number of Users: ~40,000 customers, over 1 million creators and enterprises
Growth Rate: Achieved $10M+ ARR by early 2025; launched PlayDialog; crossed 1M users

Key Features

Live text-to-speech, conversational voice agents, multi-turn dialogue model (PlayDialog), speech editing/inpainting, voice cloning, multilingual support (30+ languages/accents), API access, on-prem deployment, developer sandbox, integration into apps and phone systems

59. Attention

Industry: AI-powered sales automation

AI-driven platform that automates CRM data entry and coaching by analyzing sales interactions.

Location: New York, USA
Founded: 2022
Last Funding Round: $14M Series A (Oct 2024)
Total Funding: $17.1M
Valuation: Not disclosed
Number of Users: Thousands of sales teams
Growth Rate: 10x revenue increase (year before Series A)

Key Features

Automated CRM data entry, AI-generated follow-up emails, coaching scorecards, sales interaction analysis

60. Complyt

Industry: Sales tax automation & compliance

Automates U.S. sales tax compliance, tracking nexus obligations and filing returns.

Location: New York, NY, USA
Founded: 2021
Last Funding Round: $5M Seed
Total Funding: $5M
Valuation: Not disclosed
Number of Users: SaaS/e‑commerce businesses
Growth Rate: Scaled from 1.5M to 5M monthly transactions

Key Features

Nexus monitoring, real-time tax calculation, automated filing, ERP integrations, audit-ready reporting

Conclusion

What connects these companies is not just where they are from or what they do, it’s how fast they are growing.

US SaaS is leading the way in how software is created, delivered, and used. With AI changing the market and product-led growth helping them get users, these startups are ready to go from new players to leaders in their industries.

For SaaS businesses looking to accelerate visibility and customer acquisition, Omnius provides specialized B2B SaaS SEO and content marketing, including GEO services, that help brands capture organic demand and turn content into a predictable growth engine.