News Acquisitions
RSK Group news and updates on the work our businesses are delivering.
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RSK strengthens Australian ecology capability with acquisition of Biota Environmental Sciences
RSK is further investing in the group's environmental sciences services across Australia with the acquisition of Biota Environmental Sciences.
7 July 2026
RSK Group acquires French geotechnical engineering consultancy CELIGEO
RSK acquires CELIGEO, enhancing geotechnical expertise in France's dynamic construction hub, Auvergne-Rhône-Alpes.
1 June 2026
RSK Group acquires HV Energy Systems to strengthen high-voltage grid connection capability
RSK Group acquires HV Energy Systems to boost high-voltage grid services for renewable projects in the UK, enhancing delivery and scale.
5 May 2026
RSK adds to water sector capability with Fluid Sealing & Engineering acquisition
Mechanical engineering specialist Fluid Sealing & Engineering (FSE) has been acquired by RSK, further enhancing the group’s water sector expertise.
30 April 2026
Ecological experts from Plan for Ecology join RSK Group
RSK strengthens ecological solutions in the South West UK as Plan for Ecology joins, enhancing regional expertise and growth under RSK Biocensus.
8 January 2026
RSK reflects on another strong year, growing its workforce to over 17,000
RSK Group celebrates another successful year, growing its workforce to 17,000+ in 250+ businesses across 40 countries globally.
5 January 2026
RSK Group acquisition adds Civil Geotechnical Consultants to Australia division
RSK boosts its Australia division by acquiring Civil Geotechnical Consultants (CGC), expanding services in transport infrastructure projects.
10 December 2025
RSK acquires Octavius Infrastructure, leading Tier 1 transport infrastructure specialist
RSK Group strengthens UK transport infrastructure presence with Octavius Infrastructure acquisition, enhancing its industry capabilities.
24 November 2025
RSK strengthens business services sector presence with introduction of Fortia Insight
Fortia Insight: Newly rebranded arm of RSK, integrating RSM UK's SEP consultancy with ERS, fueling growth in policy and economic research.
12 November 2025