Founded in 2017, UK-based Siege FX provides MidPool, an independent mid-rate matching service for spot foreign exchange transactions. The platform allows banks, institutional investors and corporate treasurers to find natural offsetting liquidity, thereby lowering market impact and execution expenses. According to the company, adoption has grown rapidly among leading global banks and buy-side firms. Siege FX plans to use its growing network effect to broaden MidPool’s reach into additional instruments and to roll out complementary services. Management positions the product as a way to tackle structural challenges in the FX market and build a more resilient liquidity ecosystem. Recent backing from strategic investors underscores confidence in the firm’s technology and growth trajectory.

Total raised

$9M

Funding rounds

1

Latest round

Series A

Latest activity

Jan 2026