About a-team Marketing Services
The knowledge platform for the financial technology industry
The knowledge platform for the financial technology industry

A-Team Insight Blogs

Horizon Goes Live with H3 Trading Platform

Subscribe to our newsletter

Horizon Software, the trading technology vendor, has launched its Horizon H3 Trading Platform, with clients now live in Europe, Asia Pacific and the Middle East.

Earlier this year, Sagard NewGen acquired a majority stake in the company, alongside a management buy-out, to support expansion into new markets and strategic capabilities. At the time of the acquisition, Horizon announced that it planned to focus on expanding its Trading-as-a-Service offering, bringing together agency trading and market making on one platform, and on scaling up its asset class coverage to include digital assets.

H3 represents the next generation of Horizon’s single cross-asset platform, based on a distributed, modular architecture with public APIs for each service. The new version supports both principle and agency trading, with the ability to scale for large volumes of executions. It also provides new functionality such as a composite spreader, workflows for both high touch and DMA, support for digital assets, and is designed for deployment in a managed services environment.

“More than 17 clients have gone live with H3 smoothly,” said Olivier Masdebrieu, CTO at Horizon Software. “We are constantly looking to enhance our platform by enriching its functionality, as well as investing on the technical side. The next significant milestone will be integrating Aeron, an open-source message transport solution focused on performance and reliability.”

Aeron was originally designed and developed by Real Logic, a low-latency trading technology development firm founded by high-performance computing specialist Martin Thompson, and acquired by Adaptive Financial Consulting earlier this year.

“This project is a step forward to better serve our clients worldwide and offer them an improved experience,” commented Guillaume Poitevin, Global Head of Sales at Horizon Software. “H3 has a services-oriented architecture that provides various performance improvements regarding scalability, latency, and on demand loading. We are proud of this new version, demonstrating our commitment to deliver the best trading services for our clients”.

Subscribe to our newsletter

Related content

WEBINAR

Upcoming Webinar: From 24/7 to Event-Driven: Engineering the Next-Generation Exchange Platform

Date: 28 April 2026 Time: 10:00am ET / 3:00pm London / 4:00pm CET Duration: 50 minutes What digital asset and prediction markets are teaching traditional exchanges about availability, agility and time-to-market. New market structures and regulatory changes are forcing exchange operators to rethink the foundations of their technology stacks. Digital asset exchanges, prediction markets and...

BLOG

Beyond the Monolith: Crafting the Agile Trading Stack for the Modern Era

For decades, the central question for any firm designing its trading systems architecture has been a seemingly binary choice: buy an off-the-shelf platform or build a proprietary one in-house? The ‘buy’ camp argued for speed to market and vendor-managed upkeep, while the ‘build’ camp championed bespoke functionality and control over intellectual property. Today, this long-standing...

EVENT

TradingTech Summit London

Now in its 15th year the TradingTech Summit London brings together the European trading technology capital markets industry and examines the latest changes and innovations in trading technology and explores how technology is being deployed to create an edge in sell side and buy side capital markets financial institutions.

GUIDE

Regulatory Data Handbook 2020/2021 – Eighth Edition

This eighth edition of A-Team Group’s Regulatory Data Handbook is a ‘must-have’ for capital markets participants during this period of unprecedented change. Available free of charge, it profiles every regulation that impacts capital markets data management practices giving you: A detailed overview of each regulation with key dates, data and data management implications, links to...