Marex Group announces the acquisition of Winterflood Services
28 July 2025 UK
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Marex Group, a global financial services platform, has agreed to acquire Winterflood Securities from Close Brothers Group for approximately £103.9 million in cash, which represents a premium of £15 million.
According to the firm, the acquisition is expected to enhance Marex’s existing UK cash equities business.
Winterflood also operates Winterflood Business Services, which provides outsourced dealing, settlement and custody services to a diverse range of clients, including large institutions, investment platforms, wealth managers, and retail aggregators.
The deal is subject to regulatory approval and is expected to close in early 2026.
Ian Lowitt, CEO at Marex Group, comments: “This acquisition gives us an opportunity to transform our existing equity market making business into a leading franchise, utilising the technology and connectivity of what is the leading brand in this market. This deal is consistent with our strict financial criteria, and we see opportunities to materially improve Winterflood’s profitability and pay back its premium within two to three years.
“We believe we can gain economies from operating at scale and also benefit from Winterflood’s great technology and strong client relationships, which will enable us to introduce additional products and services from across our platform to a new set of clients.”
Bradley Dyer, CEO at Winterflood Securities, says: “We’re delighted to become part of Marex, which is a high-growth, global financial services company with a strong balance sheet. Our clients will continue to be served by the same team, while also benefitting from the backing of a large and growing company as well as access to a broader range of products and services from Marex.
“We’re excited to be joining a fast-paced organisation where our teams can thrive.”
According to the firm, the acquisition is expected to enhance Marex’s existing UK cash equities business.
Winterflood also operates Winterflood Business Services, which provides outsourced dealing, settlement and custody services to a diverse range of clients, including large institutions, investment platforms, wealth managers, and retail aggregators.
The deal is subject to regulatory approval and is expected to close in early 2026.
Ian Lowitt, CEO at Marex Group, comments: “This acquisition gives us an opportunity to transform our existing equity market making business into a leading franchise, utilising the technology and connectivity of what is the leading brand in this market. This deal is consistent with our strict financial criteria, and we see opportunities to materially improve Winterflood’s profitability and pay back its premium within two to three years.
“We believe we can gain economies from operating at scale and also benefit from Winterflood’s great technology and strong client relationships, which will enable us to introduce additional products and services from across our platform to a new set of clients.”
Bradley Dyer, CEO at Winterflood Securities, says: “We’re delighted to become part of Marex, which is a high-growth, global financial services company with a strong balance sheet. Our clients will continue to be served by the same team, while also benefitting from the backing of a large and growing company as well as access to a broader range of products and services from Marex.
“We’re excited to be joining a fast-paced organisation where our teams can thrive.”
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