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Company · London

High Technology Sources Limited

Other business support service activities n.e.c.

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

Network

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

Who leads it

Previous officers 14

  1. Dominic Bean 2022-2023 Director View profile
  2. Peter Alexander Speirs 2022-2022 Director View profile
  3. Peter Gerard Greenhalgh 2021-2023 Director View profile
  4. Eoghan Pol O'Lionaird 2019-2022 Director View profile
  5. Joanne Burke 2019-2020 Director View profile
  6. Stuart Charles Kilpatrick 2015-2021 Director View profile
  7. Nicholas Paul Henry 2015-2019 Director View profile
  8. Read, Paul Michael, Doctor 2015-2021 Director View profile
  9. Jason Nicholas Washington 2015-2019 Director View profile
  10. Duncan John Aston 2002-2016 Director View profile
  11. John Raymond Maguire 2002-2008 Director View profile
  12. James Henry John Marsh 2017-2022 Secretary View profile
  13. Michael John Hoggan 2015-2017 Secretary View profile
  14. Jonathan David Benn 2002-2016 Secretary View profile

Directors and secretaries as filed at Companies House.

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Public contracts won

2 contracts · £80,000 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.

  • GB-Maidstone: C24105 Service and Maintenance of RADOS and EPD Devices Buyer: Kent and Medway Towns Fire Authority £80,000 2025-08-29 CPV 50000000 Source: Contracts Finder

    Kent and Medway Towns Fire Authority are looking to appoint a supplier for the Service and Maintenance of RADOS and EPD Devices Additional information: The contracting authority considers that this contract may be suitable for economic o…

  • Waiver - UHB _QEH - 12011 - High Technology Sources Limited - Medical Consumables Buyer: University Hospitals Birmingham NHS Foundation Trust Value not published Date not published Source: Find a Tender

    This service relates to the Radioactive rod/line source (gadolinium-153)that is installed into gamma camera by High Technology Sources Limited

About

What it does
Other business support service activities n.e.c.
Incorporated
04/03/2002
Registered office
London

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. High Technology Sources Limited is controlled by Htsl Group Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. Htsl Group Limited is controlled by W4S Directors Limited
    Evidence
    active significant influence · notified 2023-03-03 · source: Companies House PSC register
  3. W4S Directors Limited is controlled by Jamie Christopher Constable
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2022-12-06 · source: Companies House PSC register

Ultimately controlled by Jamie Christopher Constable.

356 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
£1,656,255
Total assets
£2,371,197
Cash
£911,827
Employees
46
Turnover
Not reported (small or micro-entity accounts)

Five-year trend

Period endingTurnoverNet assets
2025-12-31Not reported£1,656,255
2025-12-31Not reported£1,656,255
2024-12-31Not reported£1,355,749

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.

1 directors on the board

3.4y median 3.4y
average tenure
3.4y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (1)

0
also govern a charity
0
left in the last 12 months
1
corporate seats

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.

Manufacturing 2Property 2Professional 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.

Gaps to watch

  • A single director - no second pair of eyes on any decision

Where to look Suggested search: a second director to remove single-point control.

Sources

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

Record details
Company number
04386579
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