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NSG Environmental Limited

NSG Environmental Limited is an active UK company (number 02769182), incorporated 1992, with 7 current directors including Joseph Mark Wilcox and Oliver Joseph Melling. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources

Network

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

Who leads it

Previous officers 14

  1. Andrew John Deall 2014-2026 Director View profile
  2. Mark Raymond Coles 2014-2025 Director View profile
  3. Michelle Wise 2012-2021 Director View profile
  4. James Stephen Porter 2006-2025 Director View profile
  5. Graham Rogers 2006-2015 Director View profile
  6. Howard Entwistle 2006-2024 Director View profile
  7. Kenneth William Branton 1999-2006 Director View profile
  8. Christopher William Nicholson 1999-2015 Director View profile
  9. John Morris 1999-2020 Director View profile
  10. Martin Liam Ferguson 1995-1999 Director View profile
  11. Philip John Robson 1993-2007 Director View profile
  12. Richard Penrose 1992-2017 Director View profile
  13. Philip Nicholas Lanigan 1999-1999 Secretary View profile
  14. Malcolm Lawrence Thomson 1992-2001 Secretary View profile

Directors and secretaries as filed at Companies House.

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Public contracts won

10 contracts · £41,564,145 total

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.

  • Open Framework for Nuclear Technical Services Buyer: United Kingdom National Nuclear Laboratory Value not published 2026-07-29 Source: Find a Tender

    This notice is to commence the start of the standstill period for the establishment of the Open Framework for Nuclear Technical Services. UKNNL is establishing an Open Framework to support with the supply of Nuclear Technical Services for …

    Framework
  • Provision of a Senior Civil/Structural Engineer to support FCA Buyer: Nuclear Restoration Services Limited (Dounreay) £371,680 2026-07-22 CPV 71311100 Source: Contracts Finder

    A contract has been awarded by NRS Dounreay as a result of a mini-competition through the Technical & Professional Support Services Framework, for the Provision of a Senior Civil/Structural Engineer to support the FCA

  • Provision of a Ventilation Engineering Resource Buyer: Nuclear Restoration Services Limited (Dounreay) £218,019 2026-05-28 CPV 71321400 Source: Contracts Finder

    A contract has been awarded by NRS Dounreay as a result of a mini-competition through the Technical and Professional Support Services Framework, for the Provision of a Ventilation Engineering Resource for the FCA.

  • Characterisation Bulk Order Further Comp (dummy) Buyer: Nuclear Waste Services £275,000 2026-05-01 CPV 90520000 Source: Contracts Finder

    This contract is awarded following a Further Competition conducted under the Expert Support and Alternative Solutions Framework Agreement. This contract will allow for call-off of Characterisation Services for any Customer with a Waste Serv…

  • Expert Support and Alternative Solutions Framework Buyer: Nuclear Waste Services Limited £14,500,000 2026-04-21 CPV 90520000 Source: Contracts Finder

    Nuclear Waste Services (NWS), through its Waste Services line of business, will provide an Expert Support & Alternative Treatment Solutions (ESAS) service to both Nuclear Decommissioning Authority (NDA) and non-NDA customers. The ESAS Frame…

  • EASR Permit Variation Buyer: Nuclear Restoration Services Limited (Dounreay) £86,725 2026-01-20 CPV 98391000 Source: Contracts Finder

    A contract has been awarded by Nuclear Restoration Services Limited (Dounreay) as a result of a mini-competition through the Technical and Professional Services Support Framework for the EASR Permit Variation. The OJEU/FTS Contract Award N…

  • GK24-20 - RA for End States of Nuclear Sites and Radioactive Waste Buyer: Nuclear Decommissioning Authority £112,722 2025-09-29 CPV 73000000 Source: Contracts Finder

    GK24-20 - RA for End States of Nuclear Sites and Radioactive Waste

  • Integrated Waste Management Specialist Nuclear Services Framework (IWM24) Buyer: Nuclear Waste Services £26,000,000 2025-09-12 CPV 71313000 Source: Contracts Finder

    Multi-Supplier, Multi-Lot, Framework to provide fast, streamlined access to suitably qualified and experienced specialist capabilities and services to support delivery of all aspects of the Nuclear Waste Service: Integrated Waste Management…

  • Factory Acceptance Testing (FAT) of a Temporary Shielded Lid Buyer: Nuclear Restoration Services Limited Value not published Date not published Source: Find a Tender

    Factory Acceptance Testing (FAT) of a Temporary Shielded Lid to be undertaken at NRS Contractor works

  • Low Level Waste Stores (LLWS) Container Verification Buyer: Nuclear Restoration Services Limited Value not published Date not published Source: Find a Tender

    Nuclear Restoration Services (NRS) Limited (Dounreay) has awarded a contract to NSG Environmental Ltd for the provision of Low Level Waste Stores (LLWS) Container Verification

About

Incorporated
30/11/1992

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. NSG Environmental Limited is controlled by N.I.S. Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. N.I.S. Holdings Limited is controlled by Chih Yuan Chen
    Evidence
    active 25-50% shares, 25-50% voting · notified 2023-05-10 · source: Companies House PSC register

Ultimately controlled by Chih Yuan Chen.

4 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.

Grants received

1 grant · £1,000 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 Education · £1,000

Most recent

  • Department for Education £1,0002020-04-01
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.

7 directors on the board

5.5y median 2.3y
average tenure
22.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (6)

Portfolio (1)

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 3Manufacturing 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
02769182
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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