United Kingdom · Capital markets startup

Siege FX

Siege FX is a capital markets fintech company specializing in anonymous foreign exchange trading technology for institutional market participants.

Funding reportedLast round: Series A

Capital marketsLondon, United Kingdom

About Siege FX

Siege FX is a capital markets fintech company specializing in anonymous foreign exchange trading technology for institutional market participants.

The company offers a continuous, all-to-all spot FX mid-matching dark pool, designed to support leading financial institutions. Siege FX also provides cost-reducing solutions that originated in FX and may extend to other asset classes. Their services include anonymous FX trading infrastructure, a spot FX matching service, and an internal order compression and allocation product called Netbook, which caters to Spot, Forwards, Swaps, and NDFs. Siege FX serves a range of institutional clients, including major financial institutions, asset managers, and banks. The company operates from London and has additional offices in Boston, and is incorporated as Siege FX Limited in England and Wales.

What company datasets say Siege FX raised

Funding, as reported

Reported in all9.2Min the source's currency
Last roundSeries A
Last round size9.2M
Last round dateJan 2026

Funding filed with regulators

Siege FX filed 8 raises, $4.2M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. Mar 2025$511KUK share allotment
  2. Sept 2024$1.2MUK share allotment
  3. Mar 2024$217KUK share allotment
  4. Jan 2024$935KUK share allotment
  5. Jul 2023$163KUK share allotment
  6. Apr 2023$267KUK share allotment
  7. Mar 2023$722KUK share allotment
  8. Jul 2022$168KUK share allotment

Founders and team

From Siege FX's own website: 6 on the team.

  • Claude GouletChief Executive Officer
  • James ClintonChief Technology Officer
  • Marek RobertsonChief Product Officer
  • Mathijs PeetersChief Revenue Officer
  • Nick GreenlandHead of Netbook
  • Stephen Rishworthhead of americas

The company, in detail

What they build

Known for

fx liquidity poolpassive liquidity sourcesliquidity aggregationalgo tradingfx trading risk controlsinformation technology & servicesmarket data analyticsdark poolfinancial servicesfinanceliquidity sourcingfx marketfx trading infrastructureanonymous tradingfx asset class expansioncapital markets

Built with from their website

Amazon SESAtlassianGoogle CloudCloudFlareAmazon Simple Email ServiceVarnishApple Business ManagerCloudFlare CDNReactMicrosoft Exchange

+8 more

Microsoft 365 Apps & ServicesMobile FriendlyBootstrapGoogle Cloud CDNCloudflare DNSHTTP/3WixAmazon AWS

Sector
Capital markets
Industry code
NAICS 5231, 541512, SIC 6211
Region
England
Full record
Every detail in the company directory

Capital markets in United Kingdom

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