Tsi Instruments Ltd

Active04486008 Private limited company
Incorporated
15 July 2002 (24 years)
Industry
Manufacture of electronic measuring, testing etc. equipment, not for industrial process control (26511)
Directors
Thomas Edward Kennedy
Mark Schwirtz
Owned by
Mary Horsch
Jose Peris
Brian House
Accounts type
Group
Region
South East
Address
373 Stirling Road
Stirling Road Cressex Business Park
High Wycombe
HP12 3ST

Website & contact details

Group website
The site of this company’s group or brand.

Filing status

Accounts due
31 December 2026
Last accounts
31 December 2024
Conf. stmt due
13 August 2027
Last conf. stmt
30 July 2026

Officers 3 active

Officer details are public data from the Companies House register.

Kennedy, Thomas Edward
Director · Appointed 7 October 2026
American
Born February 1956 (70)
Schwirtz, Mark
Director · Appointed 31 December 2014
American
Born February 1965 (61)
Director · Appointed 31 March 2004
American
Born May 1945 (81)
Officer history (12 former)
7 October 2026
Appointed Kennedy, Thomas Edward as Director
7 October 2026
Resigned Kennedy, Thomas E as Director
16 July 2025
Resigned Happe, Daniel as Secretary
31 December 2014
Appointed Schwirtz, Mark as Director
30 December 2014
Resigned Larson, Steven as Director
12 July 2014
Appointed Happe, Daniel as Secretary
11 July 2014
Resigned Grabiel, Floyd as Secretary
26 April 2013
Resigned Kohler, Joseph as Director
7 April 2009
Resigned Krause, Kevin as Director
7 April 2009
Appointed Kennedy, Thomas E as Director
1 July 2005
Appointed Krause, Kevin as Director
14 January 2005
Resigned Webb, Ronald as Director
31 March 2004
Resigned Krause, Kevin as Director
31 March 2004
Resigned Grabiel, Floyd as Director
31 March 2004
Appointed Kohler, Joseph as Director
31 March 2004
Appointed Fauth, John Joseph as Director
31 March 2004
Appointed Larson, Steven as Director
31 March 2004
Appointed Webb, Ronald as Director
6 June 2003
Resigned Zvareck, Donald as Director
11 September 2002
Appointed Krause, Kevin as Director
11 September 2002
Appointed Grabiel, Floyd as Director
11 September 2002
Appointed Grabiel, Floyd as Secretary
11 September 2002
Appointed Zvareck, Donald as Director
11 September 2002
Resigned Hse Secretaries Limited as Corporate Nominee Secretary
11 September 2002
Resigned Hse Directors Limited as Corporate Nominee Director
15 July 2002
Appointed Hse Secretaries Limited as Corporate Nominee Secretary
15 July 2002
Appointed Hse Directors Limited as Corporate Nominee Director

Ownership 4 active

People and entities with significant control, from the Companies House PSC register

Mary Horsch
Individual · Notified 1 January 2021
Owns 75–100% of shares
American
Born May 1948 (78)
Jose Peris
Individual · Notified 1 January 2021
Owns 75–100% of shares
American
Born November 1955
Brian House
Individual · Notified 1 January 2021
Owns 75–100% of shares
American
Born March 1970 (56)
John Fauth
Individual · Notified 15 July 2016
Owns 75–100% of shares
Has significant influence or control
American
Born May 1945 (81)

Holdings 1

Companies where Tsi Instruments Ltd is registered as a person with significant control

Owns 75–100% of shares
Active

Financials

Balance sheet as at 31 December 2024 · group accounts

Cash
£28,774
Profit
(£53,610)
Employees
91
Current Ratio
1.8x
Balance sheet detail
2024
Fixed Assets£35,458,988
Current Assets£5,933,808
Debtors£3,191,358
Cash£28,774
Creditors (< 1 year)£3,337,582
Net Current Assets£2,596,226

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
30 September 2025Group of companies' accounts31 December 2024
5 August 2025Termination of appointment of a secretary
5 August 2025Confirmation statement with no updates30 July 2025
20 December 2024Group of companies' accounts31 December 2023
27 August 2024Confirmation statement with no updates30 July 2024
Show all recent filings

Some other companies at this address

Other companies in this industry

Explore the largest companies

Largest manufacturing companies in the UK →

Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →

← Back to companies Official record on Companies House ↗

Already have an account?

Create your account

Save searches and get the weekly email of new matches.

First name is required.
Last name is required.
Enter an email address like name@example.com.
Must be at least 8 characters. Password must be at least 8 characters.

Already have an account?