BT slims international operation as offloads Radianz business to TNS

BT Group on Tuesday said Transaction Network Services has agreed to acquire its Radianz business for an undisclosed amount.

The London-based telecommunications firm said the deal is expected to complete during the first half of 2026, subject to customary closing conditions, including regulatory clearance in a statement on its website.

Launched over 20 years ago, Radianz provides financial information exchange networks and connects brokers, institutions, exchanges and clearing and settlement houses to the applications and services they need for the everyday running of the world’s capital markets.

Virginia, US-based TNS is a global provider of ultra-low latency trading infrastructure, connectivity and market data services.

BT said the planned deal aligns with its strategy to become a ‘UK-focused national champion while exploring options to optimise its international business.’

Bas Burger, chief executive of BT International, said: ‘Today’s announcement is another key milestone in focusing our international business on what it does best: providing secure multi-cloud connectivity to large organisations globally. Our Radianz business unit will enter a new era with TNS and we are confident that TNS will continue to deliver exceptional service to customers.’

No financial details were disclosed. During financial 2025 the Radianz unit generated revenues of around £142 million, around 0.7% of group revenue.

BT bought Radianz from Reuters for $175 million in 2005.

‘We believe this sale, while not large, marks further progress in BT’s simplification towards becoming a UK-focused operator,’ said analysts at Citi.

Shares in BT closed down 1.0% at 210.00 pence each in London on Tuesday.

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