About RSK
RSK is a company based in Frodsham (United Kingdom) founded in 1989 by Alan Ryder was acquired by NDT Services in April 2018. RSK has raised $646.99 million across 13 funding rounds from investors including Ares Management, NatWest and Ares Capital Corporation. RSK has completed 95 acquisitions, including 1st Inrail, ABM Consulting and ADAS.
- Headquarter Frodsham, United Kingdom
- Founders Alan Ryder
- SectorsBusiness Services
- Emailβ’β’β’β’β’β’β’β’
- Phoneβ’β’β’β’ β’β’β’β’
- Website rskgroup.com
- Social LinkedIn X Facebook Instagram YouTube
- Acquired by NDT Services (Apr 2018)
- Legal Name Rsk Group Limited
- Total Equity Funding$646.99M (USD)
in 13 rounds
- Latest Funding Round$380.56M (USD), Debt – Conventional
Jun 2024
- InvestorsAres Management
& 8 more
- Investments & Acquisitions1st Inrail
& 94 more
- Acquired byNDT Services
(Apr 2018)
Apps and channels of RSK
its YouTube channel RSK Group has 952 subscribers and 30 videos.
Videos from RSK
The most watched videos on RSK's YouTube channel, RSK Group (952 subscribers). Click a video to play it here.
More on RSK Group.
Funding Insights of RSK
RSK has successfully raised a total of $646.99M across 13 strategic funding rounds. The most recent funding activity was a Debt β Conventional round of $380.56 million completed in June 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $646.99M
- Total Rounds 13
- Last Round Debt – Conventional β $380.56M
- First Round $51.32M
(Jun 2015)
- Investors Count 8
Latest 10 of 13 funding rounds of RSK with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jun 2024 | $380.56M | Debt – Conventional | β | β | |
| Jun 2024 | $634.26M | Private Equity Round | β | Searchlight Capital, Ares Management | β |
| Aug 2021 | $1.39B | Debt – Conventional | β | β | |
| Dec 2020 | $131,641 | Grant | β | β | |
| Apr 2020 | $252,473 | Grant | β | β | |
| Oct 2019 | $639,965 | Grant | β | β | |
| Jun 2019 | $1.21M | Grant | β | β | |
| Dec 2018 | $379.26M | Debt – Conventional | β | β | |
| Jun 2018 | $1.82M | Grant | β | β | |
| Jul 2017 | $323,685 | Grant | β | β |
9 investors in total: 9 institutional.
Investors in RSK
RSK has secured backing from 9 investors, including venture fund and institutional investors. Prominent investors backing the company include Ares Management, NatWest and Ares Capital Corporation.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Private equity firm focused on multiple sectors | – | searchlightcap.com | New York, United States | |
Alternative asset investment management firm | 1997 | aresmgmt.com | Los Angeles, United States | |
Private equity and debt investments are managed for businesses. | 2004 | arescapitalcorp.com | Los Angeles, United States | |
Early & Growth stage tech & offline focused VC firm funding companies in the UK & Ireland | – | bgf.co.uk | Belfast, United Kingdom | |
Investments are made in technology, consumer, healthcare, and service sectors. | 1985 | permira.com | London, United Kingdom | |
Research and innovation funding is managed for UK advancement. | 2018 | ukri.org | Swindon, United Kingdom | |
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability | 1958 | europa.eu | Brussels, Belgium | |
Commercial bank | 1968 | natwest.com | London, United Kingdom | |
Pile and vibration monitoring products are provided for non-destructive testing. | 1990 | ndt-piletesting.com | Nottingham, United Kingdom |
Investor details for RSK
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of RSK
13 people are tracked at RSK (2 in leadership, 10 in board & advisors, 1 in team).
| Name | Role | Group |
|---|---|---|
Alan Ryder | Founder & CEO | Leadership |
Abigail Draper | Group Finance Director | Leadership |
Lucy Thomas | Board Member | Board & advisors |
Stephanie Wray | Board Member | Board & advisors |
Gary Young | Board Member | Board & advisors |
George Tuckwell | Board Member | Board & advisors |
Mary-Ann Smyth | Board Member | Board & advisors |
Stefan Bangels | Board Member | Board & advisors |
Nigel Board | Board Member | Board & advisors |
Mike Mason | Board Member | Board & advisors |
Sarah Mogford | Board Member | Board & advisors |
Garry Charnock | Board Member | Board & advisors |
Cassie Ng | Business Analyst | Team |
Complete people profiles for RSK
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Investments & Acquisitions by RSK
RSK has strategically engaged in corporate development activities, having acquired 95 companies. Notable acquisitions include 1st Inrail, ABM Consulting and ADAS.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Transport infrastructure solutions are provided by Octavius across the UK. | octavius.co.uk | Reigate, United Kingdom | 0 | Nov 2025 | β’β’β’β’ | |
Steel fabrication, erection, and cladding services are provided. | ajengineering.co.uk | United Kingdom | 0 | Jun 2025 | β’β’β’β’ | |
Provider of steel fabrication, erection, and welding services | newcolimited.co.uk | Arundel, United Kingdom | 0 | Jun 2025 | β’β’β’β’ | |
Multi-disciplinary property consultancy and design services are provided across sectors. | n-ablegroup.co.uk | United Kingdom | 0 | Jun 2025 | β’β’β’β’ | |
Integrated team solutions are provided by an interdisciplinary construction consultancy. | kendallkingscott.co.uk | United Kingdom | 0 | Dec 2024 | β’β’β’β’ | |
Developer of commercial properties | eb7.co.uk | London, United Kingdom | 2007 | Aug 2024 | β’β’β’β’ | |
Provider of professional property and planning consultancy services | dwdllp.com | London, United Kingdom | 1984 | Nov 2023 | β’β’β’β’ | |
Extent Heritage is a leading industry consultant in heritage and archaeological services | extentheritage.com.au | Pyrmont, Australia | 1998 | Nov 2023 | β’β’β’β’ | |
Civil engineering services emphasizing health and safety management are provided. | deansltd.com | Cambuslang, United Kingdom | 2010 | Oct 2023 | β’β’β’β’ | |
Provider of engineering and consulting services for water and territory. They offer specialized technical solutions tailored to each project, encompassing water engineering, sanitation, hydraulics, data intelligence consulting, and urban and civil engineering. Their services extend to industrial construction and R&D projects. The firm boasts extensive experience and a team of professionals dedicated to delivering successful outcomes for clients. | abm.cat | Riudellots De La Selva, Spain | 2000 | Oct 2023 | β’β’β’β’ |
Complete acquisition details for RSK
Acquired stakes, deal sources and the complete acquisition history require an active premium plan.
- Acquired stakes
- Deal sources
- Complete history
- Exports
Verified entity values are shown only after access is granted.
Timeline of RSK
14 dated milestones of RSK across 36 years, from founding to its latest funding, stage changes and deals.
- Founded RSK is founded.
- Funding First funding round of $51.3M.
- Exit Acquired by NDT Services.
- Acquisition Acquires ABM Consulting.
- Acquisition Acquires Deans Civil Engineering.
- Acquisition Acquires Extent Heritage.
- Acquisition Acquires DWD.
- Funding Latest funding round, Debt β Conventional, of $380.6M.
- Acquisition Acquires eb7.
- Acquisition Acquires Kendall Kingscott.
- Acquisition Acquires NAblegroup.
- Acquisition Acquires Newco.
- Acquisition Acquires Ajengineering.
- Acquisition Acquires Octavius.
Web traffic of RSK
The website of RSK (rskgroup.com) receives about 39.3K visits a month.
- Monthly visits39.3K
▲ 11.6% vs previous month
Websites whose visitors overlap most with RSK. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| esu-services.ch | 100% | 8.8K | #2,432,738 | View details | |
| aboenergy.com | 96% | – | – | View details | |
| modoenergy.com | 95% | 57.3K | #642,277 | View details | |
renewables.digital | renewables.digital | 92% | – | #2,167,075 | β |
| encavis.com | 90% | 20.6K | #1,343,656 | View details | |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
All 25 similar websites and full traffic analytics for RSK
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 25 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Latest news on Rsk
Complete news archive for RSK
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Similar companies to RSK
10 companies that operate in the same segment as RSK (Governance, Risk & Compliance (GRC) Services), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Testing, inspection, and certification services are provided to industrial sectors. | 1996 | Barcelona, Catalonia, Spain | – | USD 643.16 K | 24 | |
Risk management and operational support services are delivered globally. | 2010 | Reston, Virginia, United States | – | – | 1,502 | |
Provider of natural gas, crude oil, and petroleum products exploration services | 1882 | Irving, Texas, United States | – | USD 323.9 B | 61,000 | |
Marsh is recognized as a global leader in insurance broking and risk management. | 1871 | New York, New York, United States | – | – | – | |
Shipping, food ingredients, and industrial technology services are provided. | 1929 | Helsinki, Finland | – | USD 551.17 M | 800 | |
Technology solutions are provided to credit unions for operational efficiency. | 2009 | St. Petersburg, Florida, United States | – | – | 2,448 | |
Compliance support and risk management services are provided. | 2015 | London, England, United Kingdom | – | – | – | |
Compliance evaluation and certification services are provided worldwide. | 1828 | Paris, France | – | USD 7.6 B | 84,250 | |
Compliance and risk management solutions are provided by Youverify. | 2017 | Lagos, Lagos State, Nigeria | USD 5 M | – | – | |
Offers policy management and training services | 2003 | Aliso Viejo, California, United States | – | – | 335 |
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Frequently Asked Questions about RSK
RSK was founded in 1989 and raised its 1st funding round 26 years after it was founded.
RSK is headquartered in Frodsham, United Kingdom. It is registered at Frodsham, Cheshire, United Kingdom.
Alan Ryder is the current CEO of RSK. They have also founded this company.
RSK is a funded company, having raised a total of $646.99M across 13 funding rounds to date. The company's 1st funding round was a Grant of $323.68K, raised on Jun 2015.
RSK was founded in 1989 by Alan Ryder and is headquartered in Frodsham, United Kingdom. Operations focus on the engineering and environmental sectors, where consulting services address risk management, compliance, and technical assessments. Expertise is applied across various projects, including infrastructure development and sustainability initiatives, primarily serving clients in the UK and internationally through its domain rskgroup.com.
RSK has made 95 acquisitions, including 1st Inrail, ABM Consulting, and ADAS.
RSK has 9 investors. Key investors include Ares Management, NatWest, Ares Capital Corporation, Permira, and UK Research and Innovation.
RSK operates through Rsk Group Limited.
Yes. RSK was acquired by NDT Services in April 2018.

