OpenAI’s UK subsidiary saw its turnover surge to £293 million in 2025 from £79.2 million the prior year, representing a nearly fourfold increase in twelve months. This performance enabled OpenAI UK Ltd to post a pre-tax profit of £31.7 million after a tax charge of £11.4 million. The unit employed an average of 110 people, with total staff costs reaching £258 million, including £167.8 million in share-based compensation. Research and development expenditure nearly tripled from £48.2 million to £117.8 million, reflecting intensified AI investment.
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