RSK

Frodsham, United Kingdom Founded: 1989 • Age: 37 yrs Acquired By NDT Services
Engineering and environmental risk consulting services are provided.

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
  • Sectors
    Business Services
  • Email
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  • Phone
    β€’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
Key Metrics
  • Total Equity Funding
    $646.99M (USD)

    in 13 rounds

  • Latest Funding Round
    $380.56M (USD), Debt – Conventional

    Jun 2024

  • Investors
  • Investments & Acquisitions
    1st Inrail

    & 94 more

  • Acquired by
    NDT Services

    (Apr 2018)

Apps and channels of RSK

its YouTube channel RSK Group has 952 subscribers and 30 videos.

RSK Group
YouTube 952 subscribers 30 videos Science & Technology
Open channel

Videos from RSK

The most watched videos on RSK's YouTube channel, RSK Group (952 subscribers). Click a video to play it here.

Why botany matters: The crucial role of botanical skills
517 views
What Part III of the Planning and Infrastructure Bill means for development and nature recovery
514 views
Consideration of terrestrial invertebrates in ecology projects
465 views
Soil reuse in construction: A CL:AIRE DoW CoP MMP journey
315 views

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 – 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.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jun 2024$380.56MDebt – Conventional––
Jun 2024$634.26MPrivate Equity Round–Searchlight Capital, Ares Management
–
Aug 2021$1.39BDebt – Conventional––
Dec 2020$131,641Grant––
Apr 2020$252,473Grant––
Oct 2019$639,965Grant––
Jun 2019$1.21MGrant––
Dec 2018$379.26MDebt – Conventional––
Jun 2018$1.82MGrant––
Jul 2017$323,685Grant––
Valuation history

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.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Private equity firm focused on multiple sectors
–searchlightcap.comNew York, United States
Alternative asset investment management firm
1997aresmgmt.comLos Angeles, United States
Private equity and debt investments are managed for businesses.
2004arescapitalcorp.comLos Angeles, United States
Early & Growth stage tech & offline focused VC firm funding companies in the UK & Ireland
–bgf.co.ukBelfast, United Kingdom
Investments are made in technology, consumer, healthcare, and service sectors.
1985permira.comLondon, United Kingdom
Research and innovation funding is managed for UK advancement.
2018ukri.orgSwindon, United Kingdom
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability
1958europa.euBrussels, Belgium
Commercial bank
1968natwest.comLondon, United Kingdom
Pile and vibration monitoring products are provided for non-destructive testing.
1990ndt-piletesting.comNottingham, United Kingdom
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Investor details for RSK

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

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  • Round participation
  • Investor portfolios
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People of RSK

13 people are tracked at RSK (2 in leadership, 10 in board & advisors, 1 in team).

NameRoleGroup
Alan Ryder
Founder & CEOLeadership
Abigail Draper
Group Finance DirectorLeadership
Lucy Thomas
Board MemberBoard & advisors
Stephanie Wray
Board MemberBoard & advisors
Gary Young
Board MemberBoard & advisors
George Tuckwell
Board MemberBoard & advisors
Mary-Ann Smyth
Board MemberBoard & advisors
Stefan Bangels
Board MemberBoard & advisors
Nigel Board
Board MemberBoard & advisors
Mike Mason
Board MemberBoard & advisors
Sarah Mogford
Board MemberBoard & advisors
Garry Charnock
Board MemberBoard & advisors
Cassie Ng
Business AnalystTeam
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Complete people profiles for RSK

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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  • Board tenure
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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.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Transport infrastructure solutions are provided by Octavius across the UK.
octavius.co.ukReigate, United Kingdom0Nov 2025β€’β€’β€’β€’
Steel fabrication, erection, and cladding services are provided.
ajengineering.co.ukUnited Kingdom0Jun 2025β€’β€’β€’β€’
Provider of steel fabrication, erection, and welding services
newcolimited.co.ukArundel, United Kingdom0Jun 2025β€’β€’β€’β€’
Multi-disciplinary property consultancy and design services are provided across sectors.
n-ablegroup.co.ukUnited Kingdom0Jun 2025β€’β€’β€’β€’
Integrated team solutions are provided by an interdisciplinary construction consultancy.
kendallkingscott.co.ukUnited Kingdom0Dec 2024β€’β€’β€’β€’
Developer of commercial properties
eb7.co.ukLondon, United Kingdom2007Aug 2024β€’β€’β€’β€’
Provider of professional property and planning consultancy services
dwdllp.comLondon, United Kingdom1984Nov 2023β€’β€’β€’β€’
Extent Heritage is a leading industry consultant in heritage and archaeological services
extentheritage.com.auPyrmont, Australia1998Nov 2023β€’β€’β€’β€’
Civil engineering services emphasizing health and safety management are provided.
deansltd.comCambuslang, United Kingdom2010Oct 2023β€’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.catRiudellots De La Selva, Spain2000Oct 2023β€’β€’β€’β€’
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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.

  1. Founded RSK is founded.
  2. Funding First funding round of $51.3M.
  3. Exit Acquired by NDT Services.
  4. Acquisition Acquires ABM Consulting.
  5. Acquisition Acquires Deans Civil Engineering.
  6. Acquisition Acquires Extent Heritage.
  7. Acquisition Acquires DWD.
  8. Funding Latest funding round, Debt – Conventional, of $380.6M.
  9. Acquisition Acquires eb7.
  10. Acquisition Acquires Kendall Kingscott.
  11. Acquisition Acquires NAblegroup.
  12. Acquisition Acquires Newco.
  13. Acquisition Acquires Ajengineering.
  14. Acquisition Acquires Octavius.

Web traffic of RSK

The website of RSK (rskgroup.com) receives about 39.3K visits a month.

  • Monthly visits
    39.3K

    ▲ 11.6% vs previous month

Similar websites

Websites whose visitors overlap most with RSK. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
esu-services.ch
100%
8.8K#2,432,738View details
aboenergy.com
96%
––View details
modoenergy.com
95%
57.3K#642,277View details
renewables.digital
renewables.digital
92%
–#2,167,075–
encavis.com
90%
20.6K#1,343,656View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
Premium access

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
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Verified entity values are shown only after access is granted.

Latest news on Rsk

Water specialist dives into new Derby HQ
TheBusinessDesk.com β€’ 1 year ago
Premium access

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.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Testing, inspection, and certification services are provided to industrial sectors.
1996Barcelona, Catalonia, Spain–USD 643.16 K24
Risk management and operational support services are delivered globally.
2010Reston, Virginia, United States––1,502
Provider of natural gas, crude oil, and petroleum products exploration services
1882Irving, Texas, United States–USD 323.9 B61,000
Marsh is recognized as a global leader in insurance broking and risk management.
1871New York, New York, United States–––
Shipping, food ingredients, and industrial technology services are provided.
1929Helsinki, Finland–USD 551.17 M800
Technology solutions are provided to credit unions for operational efficiency.
2009St. Petersburg, Florida, United States––2,448
Compliance support and risk management services are provided.
2015London, England, United Kingdom–––
Compliance evaluation and certification services are provided worldwide.
1828Paris, France–USD 7.6 B84,250
Compliance and risk management solutions are provided by Youverify.
2017Lagos, Lagos State, NigeriaUSD 5 M––
Offers policy management and training services
2003Aliso 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.

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