Primer

Unified payments infrastructure for merchants.

primer.io

HQ: London, UK

FinTech

Company research

Public company, workplace, funding, and market signals

Updated Jul 29, 2026

Overview

Primer.io is a London-based, remote-first payments infrastructure company that helps merchants unify payment acceptance, optimization, reconciliation, and analytics through a single platform.

Primary product

Unified Payments Infrastructure (Accept, Optimize, Manage, and AI Companion)

Founded

2020

Headquarters

London, United Kingdom

Team size

100-150 employees

Work style

Remote

Industry

Financial Services

Sub-industry

Payments infrastructure / payment orchestration

Offices

London, United Kingdom (HQ; 154 Bishopsgate, EC2M 4QD)

Singapore

Sydney, Australia

Business model

B2B SaaS

enterprise software

payments infrastructure platform

custom enterprise pricing

Funding

Stage

Series C

Total raised

$173.4M

Latest round

Series C · May 2026

Latest amount

$100M

Series C

May 2026 · Sofina

$100M

Corporate minority round

Nov 2023 · Tencent

Series B

Oct 2021 · ICONIQ

$50M

Pre-seed

Jan 2020 · Seedcamp

$795.1K

Seed

Jan 2020 · Balderton

$4.3M

Series A

Jan 2020 · Accel

$18.7M

People & investors

Leadership

Co-founder & CEO

CFO

COO

CTO

VP People

VP Product

VP Merchant Experience

Patrick Wittenberg

VP Global Sales

Jade Maitland

VP Marketing

Founders

Paul Anthony

Co-founder, Director

Investors

Work & culture

Remote-first, transparent hiring, low-ego, merchant-first culture with strong emphasis on cross-functional collaboration and experimentation (including AI).

Work style

Remote

Compensation

Public signals indicate competitive, location-based compensation with equity; Primer does not publicly disclose salary bands.

Benefits

Private health insurance (e.g. AVIVA, Allianz, Bupa)

16 weeks gender-neutral parental leave at full pay (over 24 months)

Uncapped holidays

£500 home office budget

Access to global co-working spaces

Company-wide retreats and team workations

£30/month wellbeing budget via Juno

Product & market

Pricing

Custom enterprise / consultative pricing; pricing is not publicly disclosed.

Differentiators

—Single integration across multiple payment providers and methods
—No-code workflows for payment operations
—Unified visibility from checkout to payout
—AI Companion for payments analysis and recommendations
—100+ global integrations
—Partner ecosystem via Primer for Partners
—Enterprise-grade security and compliance
—Observability, reconciliation, and cost analytics in one platform

Technology

Google Analytics 4

Google Tag Manager

Amazon CloudFront

Google Fonts

jQuery 3.5.1

Customers

GetYourGuide

Printify

Lime

Cleeng

Eldorado.gg

Banxa

Ferryhopper

New Look

AppsFlyer

Dabble

Maisons du Monde

loveholidays

Rail Europe

HelloTickets

Worldia

Competitors

BR-DGE

BlueSnap

Payrails

Navro

Rapyd

CellPoint Digital

ModoPayments

Gr4vy

BridgerPay

NORBr

Scale & contact

Estimated revenue

$1M-$10M

Estimated monthly visits

225.3K

Traffic estimate as of Jun 2026

hello@primer.io

Signals & risks

Layoff

Dec 2022

TechCrunch reported Primer cut about one-third of its staff in a restructuring to extend runway amid a tougher market environment.

Source

Latest news

Primer Raises $100M Series C to Bring AI to Every Payment and Accelerate US Expansion

Business Wire · May 2026

Announced a $100M Series C led by Sofina with Peak XV and existing investors; said the funding will accelerate AI capabilities and US expansion.

Primer raises $100 million Series C

Primer blog · May 2026

Official company announcement of the Series C; emphasizes AI-native payments infrastructure, product investment, and US growth plans.

Primer's Finance Suite: Reconciliation, Cost Overview & Global Accounts

Primer blog · May 2026

Introduced a finance suite combining Reconciliation, Costs Overview, and Global Accounts for end-to-end payment visibility.

Building Primer: How we reimagined Checkout from the ground up

Primer blog · Mar 2026

Describes the rebuilt modular checkout SDK and the company’s approach to faster, more flexible checkout implementation.

Introducing Primer for Partners

Primer blog · Nov 2025

Launched the partner integration model that lets providers build and manage their own integrations on Primer without heavy engineering involvement.

Jobs and careers at Primer

26 jobs at Primer

Senior Accountant

On-site

Finance

Remote; San Francisco, California, United States

1w ago

On-site

Full-time