Skip to content
Governance Register

Company

JET Environmental Systems Limited

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

Network

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

Who leads it

Previous officers 8

  1. Ashley John Amos 2021-2021 Director View profile
  2. Tony Gilbert 2016-2018 Director View profile
  3. Paul Marcel Azzopardi 2016-2021 Director View profile
  4. Simon John Collins 2016-2021 Director View profile
  5. David Harvey Simpson 2005-2016 Director View profile
  6. Robert Charles Simpson 2002-2016 Director View profile
  7. Richard Alan Quayle 1999-2006 Director View profile
  8. Simon Hollingworth 1999-2006 Secretary View profile

Directors and secretaries as filed at Companies House.

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

About

Incorporated
31/03/1999

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.

  • JET AHU Limited
    75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06

Group

  1. JET Environmental Systems Limited is controlled by JET AHU Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. JET AHU Limited is controlled by David Harvey Simpson
    Evidence
    ceased 25-50% shares, 25-50% voting · notified 2016-04-06, ceased 2016-06-30 · source: Companies House PSC register

Ultimately controlled by David Harvey Simpson.

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.

Financials

Net assets
£4,155,935
Total assets
£4,291,033
Cash
£1,322,645
Employees
18
Turnover
Not reported (small or micro-entity accounts)

Filed as Small company accounts.

Five-year trend

Period endingTurnoverNet assets
2025-12-31Not reported£4,155,935
2024-12-31Not reported£3,543,358

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.

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.

4 directors on the board

6.9y median 6.5y
average tenure
10y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (4)

0
also govern a charity
0
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 8Finance 4Property 4Dormant 2

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
03744217
Status
Active
Type
Private Limited Company
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