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Primer

Category: AI in Fintech

Unified infrastructure for global payments, providing an AI-enabled operating layer that gives merchants complete visibility and control across their entire payment stack. Primer was founded in 2020. The company is led by Gabriel Le Roux. Based in London, United Kingdom. Team size: 201-500. Total funding raised: $170M. Latest round: Series C. Key investors include Sofina; Peak XV Partners; ICONIQ Growth; Tencent; Accel; Balderton Capital; Speedinvest; Seedcamp; RTP Global.

Founded
2020
Headquarters
London, United Kingdom
Team size
201-500
Total funding
$170M

Value proposition

Unified payment infrastructure that captures over 400 data points per transaction and manages 95%+ of customer payment volume, providing the complete data layer needed for reliable AI decision-making in payments.

Products and solutions

Primer Unified Payment Infrastructure (Checkout, Centralized Vault, Workflows); Optimization Suite (Network Tokenization, Fallbacks, 3D Secure); Management Suite (Observability, Monitors, Reconciliation, Costs Overview, Global Accounts); Primer Companion (AI agent for payments, launched Nov 2025)

Unique value

Only platform that unifies the entire payment lifecycle (checkout to payout) with a complete data layer, enabling AI agents to make reliable payment decisions at scale — unlike fragmented point solutions.

Target customer

Mid-market to large enterprise e-commerce merchants, travel, fintech, and digital platform companies with complex multi-provider payment stacks.

Industries served

E-commerce & Retail; Travel & Mobility; Fintech; Ticketing; Digital Platforms

Technology advantage

Unified infrastructure capturing 400+ data points per transaction across entire payment lifecycle; low-code workflow builder; AI Companion agent with autonomous decision-making capabilities; processes billions of transactions annually with 99.99% uptime; operates across 35+ countries.

How they differentiate

Captures 400+ data points per transaction and manages 95%+ of customer payment volume on average, providing the complete contextual data layer essential for AI to make reliable payment decisions. Low-code/no-code workflow builder enables payments teams to manage complexity without engineering resources. AI Companion agent moves from insights to autonomous execution.

Main competitors

Spreedly; Gr4vy; Finix

Key partnerships

Integrates with Stripe, Adyen, WorldPay, Checkout.com, Braintree, Klarna, GoCardless, and 45+ other payment providers, fraud tools, and services

Notable customers

GetYourGuide; Dialpad; Printful; Lime; Rail Europe; loveholidays; Maisons du Monde; Conforama; Pelago; HappyEasyGo; Printify; Cleeng; Eldorado; AppsFlyer; Ferryhopper

Major milestones

Founded Jan 2020; £600K pre-seed (Jan 2020); £3.2M seed led by Balderton (May 2020); £14M Series A led by Accel (Nov 2020); $50M Series B at $425M valuation led by ICONIQ Growth (Oct 2021); Tencent strategic investment (Nov 2023); Alex Mallet appointed CTO (Sep 2024); Launched Primer Companion AI agent (Nov 2025); $100M Series C led by Sofina with Peak XV (May 2026)

Growth metrics

Processes billions of transactions annually; 95%+ of customer payment volume managed; 99.99% uptime; 200% YoY global revenue growth (as of 2024); US ARR doubling YoY; 26,965+ LinkedIn followers; 239 employees (as of Jan 2026 per Tracxn)

Market positioning

Leading unified payment orchestration platform for global enterprises, differentiated by AI-native intelligence layer and complete data capture across the payment lifecycle. Positioned as the infrastructure layer that enables AI-powered payments.

Geographic focus

Global (HQ London), with strong presence in Europe, expanding in US (currently ~20% of revenue, targeting >33% by 2028) and Asia Pacific

About Gabriel Le Roux

Ex-Braintree (PayPal division) for 5+ years, holding roles including Head of Startup Growth for EMEA and Product Owner for global commerce infrastructure tools; IE Business School education.

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