[3] Today based in Helsby in Cheshire, it aimed to become Europe's largest privately owned environmental and engineering business with a £1 billion turnover and employing 10,000 people worldwide by 2025.
[4] In the year to April 2022, RSK made a fifth consecutive pre-tax loss, of £38.1m, on a turnover of £796m inflated due to its dozens of acquisitions.
It aimed to raise headcount to 40,000 by 2030, expanding internationally in Australia, Europe, Asia, Latin America, Africa and the Middle East.
In 2018, after securing a £140m funding package in the form of a unitranche senior debt facility from funds managed by Ares Capital Europe (Ares)[12] to make around 10 acquisitions, RSK acquired Manchester-based acoustics consultant Cole Jarman[13] and Washington, UK-based 108-strong site investigation specialist Ian Farmer Associates (£10m annual turnover).
[19] In December 2020, RSK acquired Black & Veatch's 1,200-strong UK and Asia water and environment businesses, and rebranded it by resurrecting the historic Binnie brand.
[29] In August 2021, RSK agreed the largest private credit backed, sustainability-linked financing deal on the market to date with Ares European Direct Lending serving as sole lenders of £1 billion available debt facilities to boost the growth of the business.
[30] The new debt facilities include an annual margin review based on the achievement of sustainability targets, which are broadly focused on carbon intensity reduction and continual improvement to health and safety management and ethics.
[31] RSK anticipates interest savings in excess of £500,000 per year and has committed to donate a minimum of 50% of this margin benefit toward sustainability-related initiatives or charitable causes.
[4] In January 2022, RSK took over Singleton Clamp & Partners, a transportation planning, highway and drainage consultancy with 45 employees in Manchester, Leeds and London.
In February, RSK acquired Fishtek, a Devon-based consultant specialising in marine environments and designing fish passes.
In March 2022, RSK took over Ireland's 26-strong Inis Environmental Consultants, and UK-based Richard Allitt Associates[4] and 70-strong M&E specialist Ceetech.
[49] In August 2024, RSK acquired EB7, a London-based property consultant specialising in planning issues related to daylight and sunlight.