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Primer Y Combinator · Fall 2025

Fintech · London, GB

Unified payments infrastructure layer for global enterprises, spanning checkout to payout with an AI agent for merchants.

AI Product Demos

Funding history

DateRoundAmount
May 2026Series C
Primer (London) closed an oversubscribed $100M Series C led by Sofina, bringing the total to $170M, to expand its Primer Companion AI agent and grow in the US.
$100M
Nov 2020Series A
London payments-infrastructure fintech Primer raised about EUR15.5M in a Series A round led by Accel.
$19M

Investors

AccelBaldertonBalderton CapitalICONIQPeak XV PartnersRTP GlobalSofinaSpeedInvestTencent

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