CustomerOS
DefunctYC S22London, GB Β· Founded 2021 Β· 10 employees Β· 1 known investors
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Arhaan A.unlockedknows Vasi Coscotin Β· together at Y Combinator (overlapped)
Γ9knows the team Β· via Y Combinator
knows the team Β· via University of Aberdeen
knows the team Β· via Alliance Manchester Business School
CustomerOS is a B2B marketing platform powered by AI agents that identifies target prospects, analyzes pipeline data, and optimizes marketing spend to drive revenue. It serves strategic marketers seeking pipeline visibility and data-driven campaign optimization.
Also known as Openline
AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSales TechB2BSalesMarketingAdvertisingAIUnited KingdomEuropeFully Remote
Founders & leadershipΒ· Y Combinator alumni (S22)
CustomerOS was founded in 2021 by Matt Brown, Vasi Coscotin, and Jonty Knox.
MB

Matt BrowninπCo-founder Β· CEO2022β2026Matt Brown previously held VP of Product roles at Voxbone and Prove, and co-founded and led Tengo Inc., a fintech platform. Voxbone was acquired by Bandwidth in 2020.
VC

Vasi CoscotininπCo-founder & CTO2022β2024Vasi has spent over a decade designing distributed systems and managing engineering teams across multiple regions. After initial work in education software and two failed startup ventures, he spent seven years at Voxbone scaling infrastructure and technical teams to support the company's growth into a global communications network serving major platforms.
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Jonty KnoxinπCo-Founder and CPO2022β2025Jonty Knox previously held roles at Huawei managing enterprise contracts, co-founded Voxbone (acquired by Bandwidth for $500M+), and advised fintech startup Otto. He is now founding CustomerOS.
Investors Β· 1
Competitors Β· 3
by search overlapWorkOS9 shared keywordsWorkOS provides an API platform that enables SaaS companies to build enterprise-ready features including user management, single sign-on, directory sync, and admin portals. The platform helps developers quickly implement complex infrastructure requirements needed for adoption in large organizations.
DBOS5 shared keywordsDBOS provides a durable workflow platform with observability and management tooling, letting developers view, cancel, resume, fork, and export application workflows through its Conductor console. It targets software teams building fault-tolerant applications that need to trace and recover long-running or failed workflow executions.
BrowserOS3 shared keywordsBrowserOS is an open-source browser with built-in AI agents that automate web tasks through natural language commands without coding. It prioritizes privacy and runs locally, supporting multiple AI providers and 40+ built-in integrations for task automation.
Companies competing with CustomerOS for the same Google search keywords, organic and paid, via search-intersection analysis.
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Frequently asked questions
- What does CustomerOS do?
- CustomerOS is a B2B marketing platform powered by AI agents that identifies target prospects, analyzes pipeline data, and optimizes marketing spend to drive revenue. It serves strategic marketers seeking pipeline visibility and data-driven campaign optimization.
- Who founded CustomerOS?
- CustomerOS was founded by Matt Brown, Vasi Coscotin, Jonty Knox in 2021.
- Who are CustomerOS's investors?
- CustomerOS's investors include Y Combinator.
- Where is CustomerOS headquartered?
- CustomerOS is headquartered in London, GB.






