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Reactive Markets

Runs a trading network linking investors to their dealers

Overview

Reactive Markets runs an electronic trading network that connects banks, hedge funds and other institutions directly with the dealers and market makers they already trade with in foreign exchange and stocks. This bilateral model means each client sees prices streamed privately by its own chosen liquidity providers, rather than orders matched on an anonymous public exchange. Traders reach every provider through one connection, using a screen, mobile app, programming interface or the order systems they already run. Liquidity providers use the network as a low-cost way to stream prices to all their clients, while traders pay no taker fees. The company was founded in 2019 by former bank trading technologists and is headquartered in London.

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About Reactive Markets

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Industries

FintechFinancial Services

Company Size

51-200

Company Stage

Late Stage VC

Total Funding

$12.1M

Headquarters

London, United Kingdom

Founded

2019

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Simplify's take

What believers are saying

  • Growth is funded: Reactive Markets announced a 13books-led Series A in October 2026 to expand into new markets.
  • Equities is a second engine: Reactive Markets measured over 300% equities volume growth in the 12 months to July 2026.
  • Leave is generous: full-time remote UK C++ engineers get up to 30 days plus bank holidays and private health insurance.

What critics are saying

  • Equities liquidity is thinner: Reactive Markets reported eight top-tier equities liquidity providers in August 2026, against 60+ in FX.
  • Production comes first: UK-based senior C++ engineers, remote and full-time, acknowledge working-hours incidents within 15 minutes, plus occasional off-hours releases.
  • Full-time Operations Engineers follow market hours: hybrid or remote UK/US and office-based Singapore staff cover regional sessions.

What makes Reactive Markets unique

  • Speed is measured, not just promised: Reactive Markets reports under 50 microseconds end to end, with real-time latency reporting.
  • Pulse turns trade data into live alerts: a tick database processing tens of billions of daily messages flags spread shifts.
  • Reactive Markets covers more than spot FX: clients trade forwards, swaps, precious metals and non-deliverable forwards.

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Funding

Total Funding

$12.1M

Above

Industry Average

Funded Over

1 Rounds

Late VC funding comparison data is currently unavailable. We're working to provide this information soon!
Late VC Funding Comparison Coming Soon

Benefits

  • Health Insurance
  • Life Insurance
  • Remote Work Options
  • Hybrid Work Options
  • Flexible Work Hours
  • Commuter Benefits

Growth & Insights and Company News

6 month growth

6%

1 year growth

-1%

2 year growth

0%
The Full FX
Sep 15th, 2026
Reactive Markets enhances FX execution analytics.

Reactive Markets enhances FX execution analytics. Posted by Colin Lambert. Last updated: September 15, 2026 Reactive Markets has unveiled Pulse, a combination of its existing data analytics suite and the firm's real-time tick database, meaning, the firm says, "clients can act with speed and conviction in fast-moving markets, instead of dissecting missed opportunities". Noting that to-date, execution analytics have lagged behind, Reactive says Pulse delivers live insights as trading and liquidity conditions change, while its specialists contextualise signals and make observations. Reactive says its real-time tick database processes "tens of billions" of messages every day, capturing every market data update and order event across the network. Pulse deploys statistical models and automated scripts against this live data, instantly detecting pattern changes, triggering customised client alerts and enabling automated instructions across a wide range of performance metrics. Liquidity provider alerts identify persistent, meaningful changes to LP spreads, alerting clients to pattern changes the moment the model achieves conviction, filtering out noise and false positives, and enabling immediate, data-driven optimisation conversations between clients and LPs. Pulse also actively polls for reject patterns, such as recurring credit issues, that cause material performance degradation. Every execution reject is systematically investigated, categorised and tracked. When reject rates deviate from the norm, the service alerts users to the performance outlier, allowing them to address issues as they occur. Reactive says clients are exploring taking this one step further, by leveraging the Reactive Markets REST API to auto-disable/enable LPs based on these alerts, automating the full workflow and removing costly human overheads. Observing that further applications are in development, Reactive states, "Reactive Markets Pulse represents a major step forward in the evolution of bilateral FX trading. By delivering proactive, alpha-generating insights and greater transparency to both clients and LPs, we are helping to build stronger, more data-driven relationships that lead to better liquidity and execution outcomes."

Companies House
Aug 7th, 2026
REACTIVE MARKETS LIMITED filing history - Find and update company information - GOV.UK

REACTIVE MARKETS LIMITED - Free company information from Companies House including registered office address, filing history, accounts, annual return, officers, charges, business activity

Financial Technologies Forum
Dec 15th, 2021
Reactive Markets partners with Tradefeedr

Reactive Markets, maker of the Switchboard cross-asset trading and price streaming network, is partnering with Tradefeedr, a data and analytics provider so that Switchboard clients can stream their crypto and foreign exchange (FX) post-trade data to Tradefeedr, officials say.

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