Company lists · Data refreshed September 2026

Top 24 Algorithm trading platforms based in the United Kingdom

Name: Algorithm trading platforms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 227 companies tracked

RevenueBase identified 227 algorithm trading platforms headquartered in the United Kingdom as of September 2026 and tracks 12,570 professional contacts across them, including 6,640 with verified work emails. London is the largest hub.

This list covers algorithm trading platforms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review

227Companies

12,570Contacts tracked

6,640Verified emails

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The 24 largest algorithm trading platforms based in the United Kingdom

Ranked by team size

Top 24 of 227 algorithm trading platforms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to algorithm trading platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	TP Icap	Indirect evidence	Liverpool Street, United KingdomHQ checked Sep 14, 2026	5,001-10,000	2,419 contacts →
	Indirect evidence “TP ICAP Group is a world-leading liquidity and data solutions specialist.” Source: RevenueBase Database · checked Sep 14, 2026
2	Fidessa	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	1,001-5,000	480 contacts →
	Partial evidence “Exceptional trading, investment and information solutions for the world's financial community.” Source: RevenueBase Database · checked Sep 14, 2026
3	Lmax Group	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	351 contacts →
	Partial evidence “LMAX Group is the leading global cross-asset marketplace, powering the fusion of traditional and digital finance through trusted technology.” Source: RevenueBase Database · checked Sep 14, 2026
4	XTX Markets	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	280 contacts →
	Partial evidence “We are a leading quantitative-driven electronic market-maker partnering with counterparties, exchanges and e-trading venues globally to provide liquidity in the Equity, FX, Fixed…” Source: RevenueBase Database · checked Sep 14, 2026
5	Finalto	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	213 contacts →
	Indirect evidence “We are Finalto and we’re here to take the global financial markets to new heights.” Source: RevenueBase Database · checked Sep 14, 2026
6	Quadrature	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	203 contacts →
	Indirect evidence “Founded by programmers in 2010, we’re a growing tech business made up of kind, friendly, talented people.” Source: RevenueBase Database · checked Sep 14, 2026
7	Etrading Software	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	193 contacts →
	Partial evidence “Etrading Software (ETS) was founded in 2004 with the goal of bringing efficiency and stability to the burgeoning electronic trading markets.” Source: RevenueBase Database · checked Sep 14, 2026
8	Quod Financial	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	187 contacts →
	Partial evidence “Quod Financial delivers multi-asset trading technology for banks, brokers, and asset managers, supporting the full trading lifecycle across global electronic markets.” Source: RevenueBase Database · checked Sep 14, 2026
9	OSTC	Partial evidence	Bromley, United KingdomHQ checked Sep 14, 2026	201-500	143 contacts →
	Partial evidence “OSTC is a global derivatives trading company creating outstanding performers in financial markets, by developing and supporting their knowledge and experience.” Source: RevenueBase Database · checked Sep 14, 2026
10	Blackwell Global	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	108 contacts →
	Indirect evidence “Founded in 2010, the Blackwell Global group of companies (“Blackwell Global”) was established to offer brokerage solutions for private and institutional clients.” Source: RevenueBase Database · checked Sep 14, 2026
11	Aquis Exchange	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	105 contacts →
	Partial evidence “Aquis Exchange PLC (“Aquis”) is a creator and facilitator of next-generation financial markets, through the provision of accessible, simple and efficient stock exchanges, trading…” Source: RevenueBase Database · checked Sep 14, 2026
12	Tools For Brokers	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	93 contacts →
	Indirect evidence “Tools for Brokers (TFB) is a multiplatform technology provider for retail brokers and hedge funds with solutions operating on MetaTrader and Match-Trader.” Source: RevenueBase Database · checked Sep 14, 2026
13	Equity Edge	Strong evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	77 contacts →
	Strong evidence “We build and operate a simulated trading evaluation platform.” Source: RevenueBase Database · checked Sep 14, 2026
14	Caplin Systems	Strong evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	68 contacts →
	Strong evidence “Caplin delivers cutting-edge trading technology, empowering financial institutions with high-performance, multi-asset platforms for FX, crypto, fixed income, and more.” Source: RevenueBase Database · checked Sep 14, 2026
15	Transficc	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	53 contacts →
	Partial evidence “Connecting to all global venues and workflows - Automating trading to manage growing volumes and low latency execution - Hosted SaaS providing out of the box DR, security and…” Source: RevenueBase Database · checked Sep 14, 2026
16	OTCX	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	49 contacts →
	Partial evidence “Whether you are using voice, chat, or email to source or provide liquidity on derivatives, OTCX will streamline your trading workflows and bridge the gap between high touch and…” Source: RevenueBase Database · checked Sep 14, 2026
17	Advanced Markets Group	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	48 contacts →
	Partial evidence “Founded in 2006, Advanced Markets has over a decade of proven success delivering institutional trading solutions across global markets.” Source: RevenueBase Database · checked Sep 14, 2026
18	Isam Securities	Strong evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	48 contacts →
	Strong evidence “iSAM Securities*, regulated by the FCA, SFC, and CIMA, is a leading algorithmic trading firm and trusted liquidity, technology and prime services partner to institutional clients…” Source: RevenueBase Database · checked Sep 14, 2026
19	Rapid Addition	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	42 contacts →
	Partial evidence “Rapid Addition is helping financial institutions take advantage of the new world of electronic trading and giving them the flexibility to quickly adapt as markets continue to…” Source: RevenueBase Database · checked Sep 14, 2026
20	Gold-I	Partial evidence	Guildford, United KingdomHQ checked Sep 14, 2026	11-50	42 contacts →
	Partial evidence “Gold-i is a market-leading trading technology provider, trusted by brokers, liquidity providers and crypto institutions.” Source: RevenueBase Database · checked Sep 14, 2026
21	KEY To Markets	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	33 contacts →
	Indirect evidence “Key to Markets is an independent brokerage firm offering access to financial markets for institutional investors, companies and private traders.” Source: RevenueBase Database · checked Sep 14, 2026
22	Fixnetix LTD	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	33 contacts →
	Partial evidence “Fixnetix provides market data, trading access, liquidity venue connectivity, pre-trade risk and execution management technologies for Investment Banks, Hedge Funds and Proprietary…” Source: RevenueBase Database · checked Sep 14, 2026
23	Mahimarkets	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	31 contacts →
	Partial evidence “Combining extensive trading knowledge and robust engineering, we’ve been crafting solutions for banks and brokers since 2010; helping our customers to drive PnL and deliver low…” Source: RevenueBase Database · checked Sep 14, 2026
24	Quadra	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	24 contacts →
	Partial evidence “Quadra.trade is a purpose-built software platform designed for hedge funds and institutional investors operating in digital asset markets.” Source: RevenueBase Database · checked Sep 14, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: algorithm trading platforms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names algorithm trading platforms.
Partial evidence: Its own public description names part of algorithm trading platforms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name algorithm trading platforms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 24 of 227 algorithm trading platforms based in the United Kingdom

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Algorithm trading platforms based in the United Kingdom at a glance

As of Sep 14, 2026

52.8%Verified-email coverage

55.4Average contacts per company

11-50Median size (employees)

75.3%Largest-city concentration · London

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

109

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 227 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among algorithm trading platforms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “algorithm trading platforms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names algorithm trading platforms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among algorithm trading platforms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 6,640 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Algorithm trading platforms by metro

Algorithm trading platforms in London171

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names algorithm trading platforms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many algorithm trading platforms are there based in the United Kingdom?

RevenueBase identified 227 algorithm trading platforms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

TP Icap, headquartered in United Kingdom, tops this list with the largest team on record.

Which city has the most algorithm trading platforms?

London leads with 171 headquartered companies, followed by Exeter (2) and Harrow (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,640 verified decision-maker contacts tracked across these 227 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.