Skip to content
Governance Register
Sign inFind yourself
Find yourselfSign in
Search How it works For organisations For professionals

Edition

United Kingdom (current)IrelandUnited StatesNew ZealandCanadaAustraliaScotlandNorthern Ireland

Company

Envirolab Limited

How am I connected?
More
View network map Report an issue

Official record Companies House · updated 20th September 2026 · Sources

Network

The large node is Envirolab Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 9

  1. Gill Walker 2018-2020 Director View profile
  2. John Roger Jones 2013-2015 Director View profile
  3. John Michael Lawrence 2012-2018 Director View profile
  4. Sarah Jones Bridges 2011-2015 Director View profile
  5. Peter Radford Russell 2008-2019 Director View profile
  6. John Gustafson 2008-2026 Director View profile
  7. Claudio Viola 2003-2006 Director View profile
  8. Steven Mills 2008-2019 Secretary View profile
  9. Dr Sheila Caroline Ryder 2002-2003 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

Public contracts won

1 contract

From Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.

  • Water Sample Analysis 2025 - AWARD Buyer: Norfolk County Council £0 2025-10-17 CPV 90733000 Source: Contracts Finder

    Norfolk County Council is required to test the water quality of groundwaters, surface waters and landfill leachates in and around landfill sites for which it is responsible. The sampling is carried out by Norfolk County Council officers in …

About

Incorporated
16/07/2002

Ownership

Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.

Group

  1. Envirolab Limited is controlled by RSK Environment Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-06-01 · source: Companies House PSC register
  2. RSK Environment Limited is controlled by RSK Group Limited
    Evidence
    active 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  3. RSK Group Limited is controlled by Alasdair Alan Ryder
    Evidence
    ceased 25-50% voting · notified 2016-04-06, ceased 2025-12-18 · source: Companies House PSC register

Ultimately controlled by Alasdair Alan Ryder.

108 other companies in this group

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Board analysis for researchers

Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.

9 directors on the board

12.4y median 11y
average tenure
23.8y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (3)

Portfolio (6)

0
also govern a charity

Left in the last 12 months

Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.

Construction 57Professional services 24Business services 16Utilities 12Finance 8Agriculture 5Manufacturing 5Retail and trade 5

The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

Gaps to watch

  • Several long-serving directors could step down together

Where to look Suggested search: succession planning for long-tenured seats.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
04487136
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 20th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data