Insights

Nonprofit giving expansion Overflow focuses on enabling nonprofits to accept stock and cryptocurrency donations, presenting a sales angle to fintechs serving charitable organizations and potential partners seeking to broaden donation channels.

Funding momentum With a Series B funding of 20M in early 2024 and a prior Series A, Overflow demonstrates capital agility and growth trajectory, signaling readiness for enterprise-grade partnerships and scaled deployments.

Strategic partnerships Recent collaborations with universities and nonprofit study centers indicate receptiveness to joint initiatives and sponsor programs, suggesting opportunities to package co-branded campaigns or impact-driven offerings.

Commerce and fintech convergence Existing tech stack integrations with payment tools (Venmo) and fundraising workflows plus e-commerce capability point to a value proposition for nonprofits seeking seamless donation experiences and multi-channel fundraising.

Market fit signals Revenue in the tens of millions range and mid-size employee base position Overflow as a scalable fintech for nonprofits, making it a candidate for enterprise nonprofits, donor-advised funds, and affiliated charity networks as expansion targets.

Similar companies to Overflow

Overflow Tech Stack

Overflow uses 8 technology products and services including Quickbooks Online, Google Ads, iCIMS, and more. Explore Overflow's tech stack below.

Overflow's Email Address Formats

Overflow uses at least 3 email formats:
Overflow Email FormatsExamplePercentage
First@overflow.coJohn@overflow.co
84%
First.Last@overflow.coJohn.Doe@overflow.co
14%
FirstLast@overflow.coJohnDoe@overflow.co
2%

Frequently Asked Questions

What is Overflow's official website and social media links?

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Overflow's official website is overflow.co and has social profiles on LinkedIn and Crunchbase.

How much revenue does Overflow generate?

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As of August 2026, Overflow's annual revenue is estimated to be $50M - $100M.

What is Overflow's NAICS code?

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Overflow's NAICS code is 52 - Finance and Insurance.

How many employees does Overflow have currently?

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As of August 2026, Overflow has approximately 113 employees across 6 continents, including North America, Africa and Europe. Key team members include Head Of Artificial Intelligence And Data: P. L., Founding Team, Vice President Of Engineering: K. W. and Director Of Music: M. F. Explore Overflow's employee directory with LeadIQ.

What industry does Overflow belong to?

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Overflow operates in the Financial Services industry.

What technology does Overflow use?

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Overflow's tech stack includes Quickbooks Online, Google Ads, iCIMS, Asana, GitLab, Venmo, LinkedIn Sales Navigator and Zoom.

What is Overflow's email format?

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Overflow's email format typically follows the pattern of First@overflow.co. Find more Overflow email formats with LeadIQ.

How much funding has Overflow raised to date?

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As of August 2026, Overflow has raised $30M in funding. The last funding round occurred on Feb 07, 2024 for $20M.

When was Overflow founded?

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Overflow was founded in 2019.
Overflow logo

Overflow

Financial ServicesCalifornia, United States51-200 Employees

Overflow is a financial services company based in San Jose, California, that helps nonprofits accept stock and cryptocurrency donations. The company employs between 51 and 200 people. Overflow has raised funding, including a Series A in 2021 and a Series B in 2024. In 2021 the company partnered with NaturalResources Shop and launched an e-commerce website. Reported revenue is in the range of $50 million to $100 million.

Section iconCompany Overview

NAICS Code
52 - Finance and Insurance
Founded
2019
Employees
51-200

Section iconFunding & Financials

  • $30M

    Overflow has raised a total of $30M of funding over 4 rounds. Their latest funding round was raised on Feb 07, 2024 in the amount of $20M as a Series B.

  • $50M - $100M

    Overflow's revenue is estimated to be in the range of $50M - $100M

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