SIX Completes Aquis Acquisition to Unify 16 European Markets under “One Plug” Connectivity

SIX Completes Aquis Acquisition to Unify 16 European Markets under “One Plug” Connectivity

(IN BRIEF) SIX has formally closed its acquisition of Aquis Exchange plc, creating a pan-European exchange powerhouse with a 15 percent aggregate market share and access to 16 capital markets. The deal marries Aquis’s innovative technology with SIX’s multi-asset services portfolio, enabling “One Plug, Multiple Trading Venues” connectivity to Switzerland, Spain, and the UK. SIX now uniquely spans all major European financial centers. Aquis will retain its brand and management, while SIX integrates its platform as a core technology engine. The merger secures regulatory authorizations and positions SIX to deliver deeper liquidity, broader market access, and cutting-edge trading solutions.

(PRESS RELEASE) ZURICH, 1-Jul-2025 — /EuropaWire/ — SIX has finalized its acquisition of Aquis Exchange plc, forging a leading pan-European exchange innovator with a combined 15 percent market share and seamless access to 16 capital markets across Europe. By integrating Aquis’s cutting-edge technology with SIX’s multi-asset class infrastructure and services, the transaction bolsters SIX’s trading footprint, drives operational efficiencies, and creates fresh growth avenues for clients.

Now the sole exchange group offering listing venues in every major European financial center—Switzerland, the EU, and the UK—SIX delivers a unified “One Plug, Multiple Trading Venues” experience. A single connection will unlock trading in Switzerland, Spain, and the UK, delivering deeper liquidity, broader market access, and innovative execution tools.

“The completion of Aquis’s acquisition represents a transformational step in SIX’s evolution into a true pan-European leader,” said Bjørn Sibbern, CEO of SIX. “We’re combining our established strengths with Aquis’s agile technology platform to offer clients unprecedented scale and flexibility.”

David Stevens, CEO of Aquis, added, “Becoming part of SIX empowers us to accelerate our mission to challenge the status quo across European capital markets. We’ll continue to serve high-growth UK companies with our bespoke listing environment, now backed by SIX’s deep infrastructure and European reach.”

Tomas Kindler, Global Head of Exchanges at SIX, commented, “Aquis forms a strategic cornerstone in our vision to be the exchange of choice for growth companies and a provider of advanced trading technology. I’m excited for the innovation we’ll drive together.”

Aquis will maintain its brand identity, leadership team, and agile operating model, ensuring continuity for its clients. Meanwhile, SIX will progressively deploy Aquis’s next-generation trading platform as the nucleus for future capital-markets innovation. All requisite regulatory approvals have been secured to enhance and harmonize the trading experience across SIX’s European venues.

About SIX
SIX operates a fully integrated exchange value chain across the Swiss and Spanish financial centers, thus ensuring access to the capital markets and the flow of information and money between financial market players. SIX offers a diversified product portfolio for securities trading, stock market transactions, financial information, and payment transactions across four business units: (i) Exchanges, with SIX Swiss Exchange and BME Exchange delivering listing, trading and market data services of cash equities, derivatives, and fixed income; (ii) Securities Services, offering clearing, settlement and custody, securities finance, tax services and trade repository services; (iii) Financial Information, offering reference, corporate actions and market data, tax and regulatory services, indices, and ESG data; (iv) Banking Services, delivering payment services including connectivity (open banking), debit and mobile solutions, billing and payments, and cash and ATMs.
www.six-group.com

About Aquis
Aquis is a European challenger exchange, creating better markets for a modern economy. Founded in 2012, with headquarters in London and an EU base in Paris, Aquis has market-leading technology and innovative rules for trading, and offers primary listings and secondary trading of equities, along with global licensing of proprietary technology.
www.aquis.eu

Media Contact:

Stephan Meier
Media Relations
Tel: +41 58 399 3290

SOURCE: SIX