About Rainham
Rainham is an Energy & Utilities company based in Brentwood (United Kingdom) founded in 2002, and was acquired by H.I.G. Capital in October 2024. It operates as a provider of industrial services including accessscaffolding, mechanical, insulation, cleaning, coatings, and asbestos services. The company has 554 employees. Rainham has completed 1 acquisition, including TEi. Its chief executive is Tim McCarthy. Rainham offers products and services including Access/Scaffolding, Mechanical Services, Thermal Insulation, Asbestos Services, and Industrial Cleaning. Its focus areas include Energy, Nuclear Energy, Project Development Services and Environment. Its legal entity is RAINHAM INDUSTRIAL SERVICES LIMITED. Its competitors include Tokamak Energy, PJD Group, Nuclear AMRC, Cavendish Nuclear and Crossfield Fusion and 2 more; 2 of its 7 listed competitors have raised funding.
Company details
Rainham Industrial Services was established in 2002 and is based in Brentwood, United Kingdom. Access and scaffolding, mechanical engineering, insulation, cleaning, coatings, and asbestos management services are delivered to sectors such as power generation, energy from waste, and oil and gas. Operations focus on industrial applications across these areas, with support for maintenance and compliance needs.
- Headquarters Brentwood, United Kingdom
- Employees 554
- Stage Acquired
- SectorsEnergy & Utilities
- Emailβ’β’β’β’β’β’β’β’
- Phoneβ’β’β’β’ β’β’β’β’
- Website rainhamis.com
- Social LinkedIn X
- Acquired by H.I.G. Capital (Oct 2024)
- Legal Name Rainham Industrial Services Limited
- Date of Incorporation 05 Nov, 2002
- Jurisdiction BRENTWOOD, ESSEX, ENGLAND
- Annual Revenue$97.56 M (USD)39as on Dec 31, 2022
- Net Profit$2.16 M (USD)-7as on Dec 31, 2022
- InvestorsLloyds Bank
& 1 more
- Employee Count554
- Investments & Acquisitions
- Acquired byH.I.G. Capital
(Oct 2024)
Products & Services of Rainham
Rainham offers a comprehensive portfolio of products and services, including Access/Scaffolding, Mechanical Services, Thermal Insulation, Asbestos Services, and Industrial Cleaning.
Provides access solutions for industrial maintenance and safety
Offers mechanical repairs and installations for energy sectors
Delivers insulation to enhance industrial efficiency and safety
Handles asbestos removal and compliance in industrial sites
Performs cleaning for operational reliability in various industries
Funding Insights of Rainham
- Total Rounds 1
- Investors Count 1
All 1 funding rounds of Rainham 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 2020 | – | Debt – Conventional | β | β |
2 investors in total: 2 institutional.
Investors in Rainham
Rainham has secured backing from 2 investors, including institutional and venture fund investors. Prominent investors backing the company include Lloyds Bank and H.I.G. Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
- | – | hig.com | - | |
Commercial banking services are provided to retail and business clients. | 1765 | lloydsbank.com | London, United Kingdom |
Investor details for Rainham
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People of Rainham
8 people are tracked at Rainham (5 in leadership, 3 in team); the tracked headcount is 554.
| Name | Role | Group |
|---|---|---|
Tim McCarthy | CEO | Leadership |
Ben Rynston | Director Of Operations (mechanical Services) | Leadership |
Jamie Kent | Group CFO | Leadership |
Daniel Millward | Group Fp&a Director | Leadership |
Adam Crosswell | AWO Operations Director | Leadership |
Serdar Özdemir Engtech Techweldi | Quality Assurance Engineer | Team |
Andrew Glanville | Contract Manager | Team |
Adam Burke | Coded Welder | Team |
Complete people profiles for Rainham
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Investments & Acquisitions by Rainham
Rainham has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include TEi.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Commercial mechanical and engineering repair services are provided to clients. | tei.co.uk | Wakefield, United Kingdom | 2004 | Mar 2025 | β’β’β’β’ |
Complete acquisition details for Rainham
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Timeline of Rainham
4 dated milestones of Rainham across 23 years, from founding to its latest funding, stage changes and deals.
- Founded Rainham is founded.
- Funding First funding round.
- Exit Acquired by H.I.G. Capital.
- Acquisition Acquires TEi.
Competitors of Rainham
Rainham has 7 listed competitors in our database, 2 of them funded. They include Tokamak Energy, PJD Group, Nuclear AMRC, Cavendish Nuclear and Crossfield Fusion, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| tokamakenergy.com | 2009 | Abingdon, United Kingdom | $212M | 170 | Clean fusion energy and superconducting magnet technologies are developed. | |
| pjdltd.com | 1984 | Stafford, United Kingdom | – | – | Power plant repair, maintenance, upgrades, and shutdown services are offered. | |
| namrc.co.uk | 2009 | Sheffield, United Kingdom | – | – | Advanced manufacturing research and development for nuclear sector is provided. | |
| cavendishnuclear.com | 2013 | Irlam, United Kingdom | – | – | Offers nuclear decommissioning, clean energy, and defence project solutions worldwide. | |
| crossfieldfusion.com | 2019 | United Kingdom | $421,738 | 4 | Crossfield Fusion is focused on fusion fuel cycle technology. | |
| doosanbabcock.com | 1891 | Crawley, United Kingdom | – | – | EPC and asset management services provider for nuclear, thermal & petroleum indsutries | |
| oxfordsigma.com | 2019 | Oxford, United Kingdom | – | 4 | Accelerates fusion energy commercialization to address energy security and climate change. |
Detailed competitors of Rainham
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Top companies in Nuclear & Fusion Energy
10 companies that operate in the same segment as Rainham (Nuclear & Fusion Energy), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Developer of energy solutions | 1925 | Juno Beach, Florida, United States | – | USD 26.53 B | 16,800 | |
Fuel and power producer in the nuclear energy sector | 2001 | United States | USD 307.86 M | – | – | |
Clean energy solutions for generation, retail, and heating are provided. | 1998 | Espoo, Finland | – | USD 5.86 B | 4,470 | |
Advanced nuclear reactors are designed for low-carbon energy solutions. | 2006 | Bellevue, Washington, United States | USD 1.46 B | – | 299 | |
Compact tokamak fusion reactors are developed with superconducting magnets. | 2018 | Cambridge, Massachusetts, United States | USD 3.93 B | – | – | |
Advanced nuclear reactors are designed, built, and operated by Newcleo. | 2021 | London, England, United Kingdom | USD 842.85 M | USD 11.38 M | 608 | |
Deuterium-based magnetic-nuclear fusion reactors are developed for power generation. | 2010 | Redmond, Washington, United States | USD 1.44 B | – | 593 | |
Energy corporation | 1903 | Newark, New Jersey, United States | – | USD 12.28 B | 13,050 | |
Energy utilities, natural gas, and communications technology are provided. | 1912 | United States | – | USD 29.55 B | 28,600 | |
FRC nuclear fusion reactors are developed using advanced beam technology. | 1998 | Lake Forest, California, United States | USD 1.32 B | – | 304 |
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Frequently Asked Questions about Rainham
Rainham was founded in 2002 and raised its 1st funding round 18 years after it was founded.
Rainham is headquartered in Brentwood, United Kingdom. It is registered at Brentwood, Essex, United Kingdom.
Tim McCarthy is the current CEO of Rainham.
Rainham has 554 employees.
Annual revenue of Rainham is $97.56M as on Dec 31, 2022.
Rainham Industrial Services was established in 2002 and is based in Brentwood, United Kingdom. Access and scaffolding, mechanical engineering, insulation, cleaning, coatings, and asbestos management services are delivered to sectors such as power generation, energy from waste, and oil and gas. Operations focus on industrial applications across these areas, with support for maintenance and compliance needs.
Rainham's top competitors include Tokamak Energy, Doosan Babcock and PJD Group.
Rainham offers Access/Scaffolding, Mechanical Services, Thermal Insulation, Asbestos Services, and Industrial Cleaning.
Rainham has made 1 acquisition, including TEi.
Rainham has 2 investors. Key investors include Lloyds Bank, and H.I.G. Capital.
Rainham operates through Rainham Industrial Services Limited.
Yes. Rainham was acquired by H.I.G. Capital in October 2024.

