Private company

RSK Group Ltd

Logo: rskgroup.com4

UK-based environmental, engineering and technical services group

RSK Group is a privately held UK-based environmental, engineering and technical services group, comprising over 200 companies employing some 17,000 people and with turnover approaching £2.5bn in the year to April 2026.2 It is headquartered in Helsby, United Kingdom.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • HeadquartersHelsby, United Kingdom1
  • Websiterskgroup.com
  • Legal formPrivate Limited Company3
  • LEI2138002YKOT1BRZ8NR623
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressSPRING LODGE, WA6 0AR Helsby, United Kingdom3
  • Registered withCompanies House, 037613403

RSK Group is a privately held UK-based environmental, engineering and technical services group, comprising over 200 companies employing some 17,000 people and with turnover approaching £2.5bn in the year to April 2026.2

Corporate structure

RSK Group Ltd sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • RSK Group Ltd Helsby, United Kingdom

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. Apr 28, 1999Founded RSK Group Ltd is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

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    Company websiteRSK Group Ltd logo