Primer

Summary active Updated May 20, 2026

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Location London, United Kingdom
Founded 2020
Latest Stage Series C
Total Raised $170M+
Website https://primer.io/
Sector
fintech payments infrastructure ai saas enterprise-software

Investors

Sonali De Rycker ~2021 (2021)
Matthew Ocko Early (2016)
Brandon Reeves Early (2018)
Mike Dauber Seed (2016)
Rob Moffat Seed (2020)
Peter Tague Series D (2023)
Ben Kohlmann Education (2023)
Samir Kaul Series A ($15M) (2022)
Turner Novak ~2021 (2021)
Lee Fixel Series C ($110M, led) (2021)
Brianne Kimmel Seed (2020)
Naval Ravikant Angel (2020)
Accel series-c (2026)
DCVC Early (2016)
Lux Capital Early (2018)
amplify-partners Seed (2016)
Balderton Capital Seed (2020)
US Innovative Technology Fund Series D (2023)
cubit-capital Education (2023)
Khosla Ventures Series A ($15M) (2022)
Banana Capital ~2021 (2021)
Addition Series C ($110M, led) (2021)
Worklife Ventures Seed (2020)
angellist Angel (2020)

About

Primer is a London-based payments infrastructure platform helping merchants consolidate their payments stack with no-code orchestration and AI-driven routing, founded in 2020 by former PayPal executives 123. The $100M Series C announced May 20, 2026 was led by Sofina with new investor Peak XV Partners joining existing backers Balderton Capital, Accel, ICONIQ, Tencent, and Speedinvest; the round was oversubscribed and brings total funding to $170M, supporting AI capabilities expansion and US growth 123.

Funding History

Date Round Amount Lead Co-investors
2026-05-20 Series C $100M Sofina Peak XV Partners, Balderton Capital, Accel, ICONIQ, Tencent, Speedinvest 123
2021-10-18 Series B $50M (at $425M val) ICONIQ Capital Accel, Balderton Capital, Speedinvest, Seedcamp 4
2020-11-29 Series A £14M Accel Balderton Capital, Seedcamp, Speedinvest 5

What Investors Say

No independently sourced investor quotes found at this time.

What Founders Say

No independently sourced founder quotes found at this time.

Sources

  1. Sifted, “Balderton-backed payments startup Primer raises $100m Series C,” May 2026. Accessed May 2026. https://sifted.eu/articles/primer-raises-100m-series-c↩↩↩

  2. BusinessWire (via Morningstar), “Primer Raises $100M Series C to Bring AI to Every Payment and Accelerate US Expansion,” May 19, 2026. Accessed May 2026. https://www.morningstar.com/news/business-wire/20260519989278/primer-raises-100m-series-c-to-bring-ai-to-every-payment-and-accelerate-us-expansion↩↩↩

  3. TechNode Global, “Primer raises $100M to expand AI-driven payments platform, Southeast Asia-focused Peak XV joins,” May 20, 2026. Accessed May 2026. https://technode.global/2026/05/20/primer-raises-100m-to-expand-ai-driven-payments-platform-southeast-asia-focused-peak-xv-joins/↩↩↩

  4. TechCrunch, “Primer raises $50M at a $425M valuation for a framework designed to help merchants build more powerful payment flows,” October 18, 2021. https://techcrunch.com/2021/10/18/primer-raises-50m-at-a-425m-valuation-for-a-framework-designed-to-help-merchants-build-more-powerful-payment-flows/↩

  5. TechCrunch, “Primer, the fintech helping merchants consolidate the payments stack, raises £14M Series A,” November 29, 2020. https://techcrunch.com/2020/11/29/primed-for-accel/↩