Primer

Fintech · London, United Kingdom · Founded 2019

Payment infrastructure for merchants to orchestrate checkout, routing and reconciliation across providers

Valuation $500M–1B

Revenue $10–50M

Headcount 100–500

Unlock exact values

Power Law Colt$25–100M revenue

Talent graph

Primer's talent

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Founders /100 quality score

Key operators quality score

Potential founders likely future founders

Startup mafia 5 alumni-founded startups

Talent movements in · out past 12 months

Source: Dealroom Talent Intelligence.

Investors

7 investors on Primer's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 1 investor entered at this stage

Balderton Capital

Series B+ 6 investors entered at this stage

Ownership

Who owns Primer

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (May/2026). Percentages are indicative.

20.1% Balderton Capital

Balderton Capital 20.1%

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Primer mafia

Startups founded by Primer alumni

Former Primer employees who went on to start their own companies. Sorted by Dealroom signal score.

AlliumEst. 2021

Ethan ChanUnited States

Signal score93

UnstructuredEst. 2022

Brian RaymondUnited States

Signal score88

AchiraEst. 2024

Zavain DarUnited States

Signal score87

yurts aiEst. 2022

BRBen Van RooUnited States

Signal score82

Salsa (prev. Pearl)Est. 2022

Grace WangUnited Kingdom

Signal score43

Book a demo to explore the full alumni network →

Global footprint

Where Primer has talent and traffic

Workforce by country

🇬🇧 United Kingdom · London HQ

Book a demo for the full country breakdown

Web traffic by country

570K monthly visits
across markets

🇺🇸 United States38.1%

🇫🇷 France16%

🇳🇱 Netherlands10.7%

🇮🇩 Indonesia5.9%

🇧🇷 Brazil2.4%

Top 5 markets shown

Market sentiment

What the market is saying about Primer

An AI-synthesized read of the highest-engagement posts about Primer on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.

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