COMPANY PROFILE

CapitalOS

CapitalOS provides small businesses with capital through an API, managing spend, and offering credit lines without credit checks

Belmont, United StatesFounded 2022Fintech

Valuation $100–250M Last recorded · 2026

Headcount <100 Current team size

Total funding $10–50M Disclosed equity funding

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About CapitalOS

CapitalOS provides an embedded spend management infrastructure for B2B platforms, enabling them to offer financial services to their customers with a single API call. The company's main service is to help vertical SaaS companies and other B2B platforms to launch their own branded spend management solutions, including corporate cards, expense management, and accounts payable automation.

The business model is based on providing the necessary building blocks for these platforms, such as credit underwriting, risk management, access to capital, embeddable user interfaces, and the required licensing and compliance framework. This allows the B2B platforms to introduce a new revenue stream without the financial downside and operational complexity of building these capabilities from scratch. CapitalOS serves vertical SaaS companies that want to increase customer retention and revenue by offering financial products. The company operates in the fintech and B2B software markets.

MoreLess Source: Dealroom company data

At a glance

Status: Operational
Founded: 2022
Headquarters: Belmont, United States
Employees: 18
Open positions: 2
Dealroom signal: 81.9/100
Industry: Fintech, Enterprise Software
Sub-industry: Financial Management Solutions
Sector: Fintech
Technology: Mobile app
Business model: SaaS
Client focus: b2b
Links: Website LinkedIn X

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Founder mafia, market maps, research and news connected to this company by Dealroom

Funding history

3 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SEED✓Equity / VC	Nov 2023	$9M	$36M	Slow Ventures · Huey Lin · Vera Equity · Michael Sindicich	↗
DEBT✓Debt	Nov 2023	$30M	—	Undisclosed	↗

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Growth signals

CapitalOS website traffic

Latest recorded traffic for CapitalOS is 3.5K monthly website visits, up 25% over the last three months. CapitalOS's team grew 28.6% over the past year.

Latest monthly visits3.5K 3-month web change+25% 1-year team growth+28.6%

Monthly website visitsMar 2023–Jul 2026

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