Infrastructure for OTC Markets

Founded in early 2020 by Alexis Atkinson, formerly Head of Order Driven Markets at EBS, and other senior executives from institutional FX trading, 4OTC is a London-based FinTech providing technology to address the challenges of OTC trading desks and Brokers in the Digital Asset and FX markets.

We are Customer Obsessed

We talk to our customers, identify their problems and build solutions to solve these problems, faster than our customers expect. We work hard to ensure our customers are delighted.

24/7 Operations

Our world-class technology runs 24/7/365, having been specifically designed for Crypto Markets. It’s engineered so we can release with no downtime. We are always up, so you are never down.

Global, Decentralised and Co-located

We run infrastructure globally as near to venues and liquidity providers as possible and as near to our end customers as possible. This allows you to receive the data you need, quickly, where and when you need it. We’re also a remote first company and look to hire the best developers in the world, wherever you live. We are Hiring!



We are simply faster than any other vendor at connecting customers. 
Given a working test environment connection and a protocol specification, we are ready to pass a venue’s conformance testing within 4 hours. Contact us.

Market Microstructure Expertise

Unlike most connectivity vendors, our team are experts in market microstructure, in both FX and Digital Assets.

Obsessed with Latency and Performance

We measure our services’ latency distribution using HdrHistogram and provide transparent timestamps on every message, so you can too. We believe that our 1API product is “Probably the fastest crypto venue connectivity service in the world!”

Institutional Expertise

Our team’s experience comes from leading exchanges and investment banks. We’ve designed and built leading market data and order protocols, run institutional trading platforms, developed to most APIs in FX and built out prime brokerage and post-trade systems.  We pride ourselves on working hard to understand and meet your needs.