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Company

TSI Instruments LTD

TSI Instruments LTD is an active UK company (number 04486008), incorporated 2002, with 3 current directors including Thomas Edward Kennedy and Mark Schwirtz. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password

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Who leads it

Previous officers 10

  1. Thomas E Kennedy 2009-2026 Director View profile
  2. Kevin Krause 2005-2009 Director View profile
  3. Joseph Kohler 2004-2013 Director View profile
  4. Steven Larson 2004-2014 Director View profile
  5. Ronald Webb 2004-2005 Director View profile
  6. Donald Zvareck 2002-2003 Director View profile
  7. HSE Directors Limited 2002-2002 Corporate-nominee-director View profile
  8. Daniel Happe 2014-2025 Secretary View profile
  9. Floyd Grabiel 2002-2014 Secretary View profile
  10. HSE Secretaries Limited 2002-2002 Corporate-nominee-secretary View profile

Directors and secretaries as filed at Companies House.

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Public contracts won

2 contracts

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.

  • CSP26561 - Replacement of Soft X-ray Source Tube Buyer: UK Research and Innovation Value not published Date not published Source: Find a Tender

    ***** THIS IS A CONTRACT DETAILS NOTICE, NOT A CALL FOR COMPETITION ***** This procurement is being concluded without competition as only a particular supplier can supply the works required. UK Research & Innovation require the replacement …

  • Provision of Aerodynamic particle sizer (APS) Buyer: Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency Value not published Date not published Source: Find a Tender

    Supply and Installation of Aerodynamic particle sizer (APS) for CDEP

About

Incorporated
15/07/2002

Group

No further corporate or individual controller is recorded above TSI Instruments LTD on the PSC register - it appears to be the top of its group.

1 other company 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
£18,316,247
Total assets
£29,505,295
Cash
£259,189
Employees
91
Turnover
Not reported (small or micro-entity accounts)
Profit/loss
-£2,364,698

Filed as Group accounts.

Figures from accounts filed at Companies House (iXBRL), period ending 2024-12-31. 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.

3 directors on the board

11.4y median 11.8y
average tenure
22.5y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (1)

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.

Manufacturing 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
04486008
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th 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