This year has already been full of exciting changes – especially in our markets! Here is your mid-year roundup of the big M&A announcements so far in 2025.
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Have announced the sale of their US renewables business to Canada’s Brookfield Asset Management for £1.4 billion. National Grid has said that this acquisition will be an “important step” in their plans to streamline their business.
Sells stake in four UK offshore wind farms to Brookfield, including its institutional partners and affiliate Brookfield Renewables. They have sold a 12.5% minority stake in four of its operational windfarms including: Hornsea 1, Hornsea 2, Walney Extension, and Burbo Bank Extension.
Acquires a 40% stake in Australian contractor Abergeldie Complex Infrastructure through a strategic partnership aimed at boosting international growth, building on recent entries into the Canadian and US markets.
Announced the acquisition of UK-based consulting firm specialising in healthcare and life sciences, Lexica.
They have also announced the acquisition of global strategic and engineering consultancy firm, Ricardo.
The addition of Lexica and Ricardo supports WSP’s growth aspirations for advisory services over the next three years as part of their 2025-27 Global Strategic Action Plan.
Merges its project management business with UK-based Turner & Townsend to create a unified PM capability. While Turner & Townsend will continue to operate under its existing name, CBRE holds a 70% ownership stake in the combined entity having bought into T&T in 2021.
Have re-entered the Australian market through the acquisition of Brisbane-based multidisciplinary consultancy Premise, strengthening their international expansion and enhancing capabilities in life-cycle engineering, operations, and decarbonisation.
In April, the company announced the acquisition of operational technology and digital solutions company Telent. This acquisition will enhance M Group’s ability to deliver integrated solutions across the telecom, transport, water, and energy sectors.
The company has also acquired Aran Group to strengthen its offering in the energy-efficiency and social housing retrofit markets.
Makes its third acquisition in 18 months with the acquisition of programme management consultancy, Adept Management.
Have acquired Balfour Beatty’s rail-infrastructure data-analysis business, Omnicom. The acquisition is intended to support Omnicom’s growth strategy, enabling expansion beyond the UK into the US and European markets.
The Scottish consulting firm has been acquired by German construction and real-estate consultancy, Drees & Sommer. This follows Drees & Sommer’s acquisition of Johnston Houston in Northern Ireland and AA projects in Manchester.
After 20 years as part of Swiss cement company Holcim, the business has rebranded as Holcim UK. The move forms part of a strategic initiative aimed at sharpening the company’s focus on sustainability.
Announced the sale of a 50% stake in its business to Malaysian property group IJM Corporation for £50 million. The deal includes IJM’s acquisition of JRL’s divisions, Midgard, J Reddington, and McMullen, to support delivery of planned residential developments.
Acquires railway electrification consultancy, Omnia Projects. The acquisition aims to reinforce Egis’ presence in the energy sector by providing a fully integrated service.
Announced the acquisition of Scottish civil and structural engineering consultancy, Allen Gordon LLP. With this acquisition, AECOM takes on 35 members of staff from offices in Perth, Stirling, and Inverness to accelerate their presence in the water and energy sectors.
Buys London environmental consultant, Temple. This follows Ramboll’s initiative to strengthen its environmental consultancy services in the UK.
Have announced the acquisition of civil engineering contractor Peter Duffy Ltd into their Infrastructure Services division.
Goldman Sachs Alternatives acquires a majority stake in Mace Consult, creating an independent consultancy poised for global growth. Mace’s leadership retains minority ownership, with plans to expand in North America and enhance digital delivery capabilities
Has announced that it has sold its UK construction operations to a US privity equity firm, Atlas Holdings, for £35m. The sale was completed before June.
