BT has completed the sale of its Radianz business to Transaction Network Services (TNS). The deal, initially announced in September 2025, supports BT International’s strategy to focus on secure multi-cloud connectivity for large organizations. Radianz, established over 20 years ago, provides financial information exchange networks for global capital markets. TNS, a provider of trading infrastructure and market data services, will take over the Radianz business, with BT expressing confidence in TNS’s ability to continue delivering high-quality service to customers.

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