Atlas

Company profile

ION Group

A private roll-up of trading, treasury and data software

ION has bought more than 20 financial software and data firms since 2005, including Fidessa (equities trading), Acuris (financial news and data) and DASH (options execution). It is privately held and does not publish group revenue.

Founded

1999

Headquarters

London

Ownership

Private

Revenue

Not disclosed

private company

Official website

What ION Group sells

Software: trading and treasury systems bought one firm at a time

Rows are what they sell, columns are who buys it. Darker cells cover more capabilities, weighted toward flagship strengths. Tap an offering for detail.

Asset management

Capital markets

Banking

Data
Software

Product by product

What each of ION Group's products actually does

ION's products come almost entirely from acquisitions across trading, treasury, commodities and data. The bar shows where each product is strongest: front, middle or back office. Darker means stronger.

Acquisitions

Every deal since 2018 bought software or data

Colour shows what was bought; size shows the price in 2026 dollars (US consumer prices). Small hollow dots: price not disclosed. Dashed: deal abandoned. Tap a deal to see what it added.

Competitors and peers

Who ION Group is up against, and where

Grouped by how they compete. A firm can be a software rival without being a business rival.