SaaS & devtools startups in New York

Enterprise and vertical SaaS depth (Datadog, MongoDB, UiPath, Braze and Cockroach), the developer tools, data and open-source layer beneath them, and the HR, payroll and PEO stack led by Justworks.

18 companies building in SaaS & devtools here.

Attentive martech

** NYC martech leader in SMS/conversational marketing (~$7B peak valuation); serial-founder team (ex-TapCommerce). Continued fundraising activity in 2025. Category-defining NYC marketing-tech scale-up.

Attentive - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC martech leader in SMS/conversational marketing (~$7B peak valuation); serial-founder team (ex-TapCommerce). Continued fundraising activity in 2025. Category-defining NYC marketing-tech scale-up. - **link:** https://startupjobs.nyc/blog/nyc-startups-hiring-fall-2025 - **vertical:** ["martech", "SMS/CRM", "SaaS"] - **stage:** late-stage (unicorn) ### sw-12 - martech

NYC martech leader in SMS/conversational marketing (~$7B peak valuation); serial-founder team (ex-TapCommerce). Continued fundraising activity in 2025. Category-defining NYC marketing-tech scale-up. - **link...

ExaCare vertical SaaS

** NYC B2B software for senior/residential care operators; raised a $30M round in 2025. Vertical-SaaS play in eldercare/healthcare operations.

ExaCare - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC B2B software for senior/residential care operators; raised a $30M round in 2025. Vertical-SaaS play in eldercare/healthcare operations. - **link:** https://vanguard-x.com/software-development/new-york-tech-startups-series-a-2025/ - **vertical:** ["vertical SaaS", "eldercare", "healthtech ops"] - **stage:** Series A ($30M) ### sw-09 - vertical SaaS

NYC B2B software for senior/residential care operators; raised a $30M round in 2025. Vertical-SaaS play in eldercare/healthcare operations. - **link:** https://vanguard-x.com/software-development/new-york-te...

Hebbia AI/enterprise search

** NYC-based (founded 2020) enterprise AI search / knowledge-work platform used heavily in finance and law. Raised $160M+ (a16z, Index, GV, Peter Thiel, Radical Ventures). Breakout AI-for-enterprise name.

Hebbia - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC-based (founded 2020) enterprise AI search / knowledge-work platform used heavily in finance and law. Raised $160M+ (a16z, Index, GV, Peter Thiel, Radical Ventures). Breakout AI-for-enterprise name. - **link:** https://pitchbook.com/profiles/company/439260-40 - **vertical:** ["AI/enterprise search", "productivity software"] - **stage:** Series B ### sw-04 - AI/enterprise search

NYC-based (founded 2020) enterprise AI search / knowledge-work platform used heavily in finance and law. Raised $160M+ (a16z, Index, GV, Peter Thiel, Radical Ventures). Breakout AI-for-enterprise name. - **l...

Hugging Face AI/ML infrastructure

** NYC-headquartered open-source AI/ML platform and model hub, led by co-founder/CEO Clément Delangue; the default community layer for open ML development. AI-native unicorn and a cornerstone of NYC's AI inf...

Hugging Face - **type:** startup - **venue:** NYC - **la:** 40.7228 - **ln:** -74.0030 - **desc:** NYC-headquartered open-source AI/ML platform and model hub, led by co-founder/CEO Clément Delangue; the default community layer for open ML development. AI-native unicorn and a cornerstone of NYC's AI infrastructure scene. - **link:** https://venturecapitaltracker.com/nyc-hugging-face-runway-elevenlabs-ai-native-companies/ - **vertical:** ["AI/ML infrastructure", "open source", "developer tools"] - **stage:** late-stage (unicorn) ### sw-03 - AI/ML infrastructure

NYC-headquartered open-source AI/ML platform and model hub, led by co-founder/CEO Clément Delangue; the default community layer for open ML development. AI-native unicorn and a cornerstone of NYC's AI infras...

Justworks HR tech

** NYC HR-tech/PEO platform for SMBs (payroll, benefits, compliance), ~$163M raised; a Lower Manhattan anchor that previously filed to go public. Established NYC HR-tech scale-up.

Justworks - **type:** startup - **venue:** Lower Manhattan, NYC - **la:** 40.7069 - **ln:** -74.0089 - **desc:** NYC HR-tech/PEO platform for SMBs (payroll, benefits, compliance), ~$163M raised; a Lower Manhattan anchor that previously filed to go public. Established NYC HR-tech scale-up. - **link:** https://www.builtinnyc.com/company/justworks - **vertical:** ["HR tech", "PEO", "SaaS"] - **stage:** late-stage private ### sw-13 - HR tech

NYC HR-tech/PEO platform for SMBs (payroll, benefits, compliance), ~$163M raised; a Lower Manhattan anchor that previously filed to go public. Established NYC HR-tech scale-up. - **link:** https://www.builti...

Predoc AI/analytics

** NYC AI-powered analytics startup that raised ~$30M in 2025. Data/AI analytics play surfacing in the 2025 NYC Series A cohort.

Predoc - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC AI-powered analytics startup that raised ~$30M in 2025. Data/AI analytics play surfacing in the 2025 NYC Series A cohort. - **link:** https://vanguard-x.com/software-development/new-york-tech-startups-series-a-2025/ - **vertical:** ["AI/analytics", "data"] - **stage:** Series A (~$30M) ### sw-10 - AI/analytics

NYC AI-powered analytics startup that raised ~$30M in 2025. Data/AI analytics play surfacing in the 2025 NYC Series A cohort. - **link:** https://vanguard-x.com/software-development/new-york-tech-startups-se...

Topline Pro SMB SaaS

** NYC AI SaaS helping home-service SMBs run their online presence/marketing; closed a $27M Series B in Aug 2025 led by Northzone (Tactile Ventures, Industry Ventures). SMB-AI vertical software.

Topline Pro - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC AI SaaS helping home-service SMBs run their online presence/marketing; closed a $27M Series B in Aug 2025 led by Northzone (Tactile Ventures, Industry Ventures). SMB-AI vertical software. - **link:** https://vanguard-x.com/software-development/new-york-tech-startups-series-b-2025/ - **vertical:** ["SMB SaaS", "AI", "martech"] - **stage:** Series B ($27M) ### sw-11 - SMB SaaS

NYC AI SaaS helping home-service SMBs run their online presence/marketing; closed a $27M Series B in Aug 2025 led by Northzone (Tactile Ventures, Industry Ventures). SMB-AI vertical software. - **link:** htt...

Warp HR tech

** NYC HR-tech startup automating payroll, tax and multi-state compliance with AI. Raised an $18M Series A in 2025 led by Sound Ventures (with Y Combinator and Dropbox co-founder angels). Emerging HR/payroll...

Warp - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC HR-tech startup automating payroll, tax and multi-state compliance with AI. Raised an $18M Series A in 2025 led by Sound Ventures (with Y Combinator and Dropbox co-founder angels). Emerging HR/payroll-automation player. - **link:** https://vanguard-x.com/software-development/new-york-tech-startups-series-a-2025/ - **vertical:** ["HR tech", "payroll", "compliance"] - **stage:** Series A ### sw-05 - HR tech

NYC HR-tech startup automating payroll, tax and multi-state compliance with AI. Raised an $18M Series A in 2025 led by Sound Ventures (with Y Combinator and Dropbox co-founder angels). Emerging HR/payroll-au...

Zip Security cybersecurity

** NYC cybersecurity startup that raised a $13.5M Series A in 2025 led by Ballistic Ventures (with Silver Buckshot, Mantis VC). Automates enterprise security compliance/tooling. Notable NYC cyber name.

Zip Security - **type:** startup - **venue:** NYC - **la:** 40.7401 - **ln:** -73.9903 - **desc:** NYC cybersecurity startup that raised a $13.5M Series A in 2025 led by Ballistic Ventures (with Silver Buckshot, Mantis VC). Automates enterprise security compliance/tooling. Notable NYC cyber name. - **link:** https://vanguard-x.com/software-development/new-york-tech-startups-series-a-2025/ - **vertical:** ["cybersecurity", "compliance"] - **stage:** Series A ### sw-06 - cybersecurity

NYC cybersecurity startup that raised a $13.5M Series A in 2025 led by Ballistic Ventures (with Silver Buckshot, Mantis VC). Automates enterprise security compliance/tooling. Notable NYC cyber name. - **link...

Other categories

Fintech & insurtech 33 Consumer brands 56 D2C & fashion 50 Ecommerce & mobility 23 Crypto & web3 20 AI 22 Generative AI 7 AI agents 8 Adtech, media & martech 26 Healthtech & biotech 28 Proptech 13 SaaS & devtools 18 Cybersecurity 2 Legaltech, govtech & edtech 11 Foodtech & agritech 12 Gaming 4 Spacetech & defense 2 Climate tech 2

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