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Company

Keystone Environmental Limited

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Official record Companies House · updated 4th October 2026 · Sources

Network

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

Who leads it

Previous officers 5

  1. Joseph Bradshaw 2023-2025 Director View profile
  2. Neil Reid 2022-2025 Director View profile
  3. Sean Gerard Coyle 2022-2023 Director View profile
  4. Sharon Nicola Tucker 2002-2022 Director View profile
  5. Oliver William Charles Tucker 2002-2022 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

3 contracts · £99,113 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.

  • EDC_5225_Ebbsfleet Central Phase 1a Infrastructure Works - Dormouse Habitat Improvement Works Buyer: Ebbsfleet Development Corporation £99,113 2026-08-18 Source: Find a Tender

    The Contracting Authority seeks to appoint a Contractor to undertake habitat improvement works as part of an overall Dormouse mitigation strategy. 2.2.2 Habitat improvements are required to existing areas that will be retained within the fo…

  • Wormwood Scrubs Masterplan Biodiversity & Improvement Works Buyer: London Borough of Hammersmith and Fuham (LBHF) Value not published 2026-04-29 Source: Find a Tender

    London Borough of Hammersmith and Fulham Council (the "Council") invited tenders seeking a supplier who is suitably qualified and experienced in landscaping and the creation and management of ecologically sensitive habitats. Wormwood Scrubs…

  • Water Pipe Installation at Aston Rowant NNR Buyer: Natural England Value not published Date not published Source: Find a Tender

    To install sections of water pipe at Aston Rowant National Nature Reserve, to be installed in October 2026.

About

Incorporated
22/05/2002

Ownership

Owned by (3) 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. Keystone Environmental Limited is controlled by Sharon Nicola Tucker
    Evidence
    ceased 25-50% shares · notified 2016-05-23, ceased 2021-04-22 · source: Companies House PSC register

Ultimately controlled by Sharon Nicola Tucker.

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

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.

2 directors on the board

2.2y median 2.2y
average tenure
3.8y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (2)

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.

Professional services 7Other services 2Retail and trade 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
04445324
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 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