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Company · London

G S A (Environmental) Limited

Engineering related scientific and technical consulting activities

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Official record Companies House · updated 27th September 2026 · Sources

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The large node is G S A (Environmental) Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 10

  1. Mohammed Alkhafrah 2017-2024 Director View profile
  2. Amandeep Singh Othi 2016-2016 Director View profile
  3. Lee Alexander Thomson 2016-2024 Director View profile
  4. Michael John Grimley 2011-2024 Director View profile
  5. Dr Andrew Grimley 2010-2025 Director View profile
  6. Matthew Stephen Grimley 2007-2013 Director View profile
  7. Gillian Mary Smith 2003-2010 Director View profile
  8. Michael Francis Smith 2003-2007 Director View profile
  9. Alastair Arthur David Robertson 2003-2005 Director View profile
  10. Janice Mary Grimley 2003-2010 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

What it does
Engineering related scientific and technical consulting activities
Incorporated
09/10/2003
Registered office
London
Previous names
Grimley Smith Associates (Environmental) Limited (until 11/03/2015)

Ownership

Owned by (2) 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. G S A (Environmental) Limited is controlled by Michael John Grimley
    Evidence
    ceased 25-50% shares, 25-50% voting · notified 2016-04-29, ceased 2023-04-04 · source: Companies House PSC register

Ultimately controlled by Michael John Grimley.

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.

Financials

Net assets
-£779,697
Total assets
-£640,106
Cash
£30,342
Employees
0.05
Turnover
Not reported (small or micro-entity accounts)

Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.

Grants received

1 grant · £229,016 total

360Giving data, published by funders. Coverage only includes funders who publish their grants to 360Giving, so these figures are a floor, not a complete picture.

Top funders

  • Department for Science, Innovation and Technology · £229,016

Most recent

  • Department for Science, Innovation and Technology £229,0162023-07-20
Board analysis

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.

5 directors on the board

3.3y median 2.2y
average tenure
8.1y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (3)

Portfolio (2)

0
also govern a charity
1
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.

Finance 6Mining 2Tech and media 2Business services 1Dormant 1Professional services 1

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.

Sources

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

Record details
Company number
04927794
Status
Active
Type
Private Limited Company
Accounts next due
30/09/2027
Edition
Register edition compiled 27th 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