Immunodiagnostic Systems Holdings Limited

Active05146193 Private limited company
Incorporated
4 June 2004 (22 years)
Industry
General medical practice activities (86210)
Directors
Dirk Beecker
Accounts type
Medium
Region
North East
Address
10 Didcot Way
Boldon Business Park
Boldon Colliery
NE35 9PD

Filing status

Accounts due
30 September 2027
Last accounts
28 December 2025
Conf. stmt due
18 June 2027
Last conf. stmt
4 June 2026

Charges

Total
3
Outstanding
0
Part satisfied
0
Satisfied
3

Officers 2 active

Officer details are public data from the Companies House register.

Director · Appointed 13 October 2025
American
Born February 1960 (66)
Beecker, Dirk
Director · Appointed 3 January 2023
German
Born September 1965 (61)
Officer history (31 former)
13 October 2025
Appointed Healy, John Leo as Director
29 September 2025
Resigned Mitton, Nicola as Director
12 January 2024
Resigned Dixon, Gareth Mark as Director
1 January 2024
Appointed Mitton, Nicola as Director
31 December 2023
Resigned Stuut, Jaap as Director
3 January 2023
Appointed Beecker, Dirk as Director
31 December 2022
Resigned Schlumberger, Wolfgang, Dr as Director
18 January 2022
Appointed Dixon, Gareth Mark as Director
15 October 2021
Resigned Martin, Paul James as Director
15 October 2021
Resigned Martin, Paul James as Secretary
13 July 2021
Appointed Schlumberger, Wolfgang, Dr as Director
12 July 2021
Resigned Williamson, Peter John as Director
12 July 2021
Resigned Wittek, Burkhard, Dr as Director
12 July 2021
Resigned Kaspar, Klaus Peter as Director
30 June 2018
Resigned Sackers, Roland as Director
30 June 2018
Resigned Campe, Till Bengt as Director
1 November 2017
Appointed Stuut, Jaap as Director
31 October 2017
Resigned Duval, Regis Jacques as Director
31 March 2017
Appointed Duval, Regis Jacques as Director
31 March 2017
Resigned Lacalle, Patricio as Director
15 March 2016
Appointed Martin, Paul James as Secretary
15 March 2016
Resigned Davison, Andrew John as Secretary
4 January 2016
Appointed Martin, Paul James as Director
1 November 2015
Appointed Kaspar, Klaus Peter as Director
4 August 2015
Resigned Blair, Edward Duncan, Dr as Director
29 June 2015
15 June 2015
Appointed Williamson, Peter John as Director
1 April 2015
Appointed Lacalle, Patricio as Director
4 January 2015
Resigned Dahlen, Patrik Olof, Dr as Director
25 November 2014
Appointed Wittek, Burkhard, Dr as Director
25 November 2014
Appointed Campe, Till Bengt as Director
25 November 2014
Resigned Martin, Anthony Francis, Dr as Director
6 March 2014
Resigned Wittek, Burkhard, Dr as Director
20 June 2013
Resigned Garrity, Martha Louise as Director
20 June 2013
Resigned Rousseau, Alain Michel as Director
4 March 2013
Appointed Yates, Christopher Henry Francis as Director
13 December 2012
Appointed Davison, Andrew John as Secretary
13 December 2012
Resigned Murray, Gerard Thomas as Secretary
30 November 2012
Resigned Murray, Gerard Thomas as Director
14 September 2012
22 June 2012
Resigned Cookson, Christopher Ian as Director
1 April 2012
Appointed Murray, Gerard Thomas as Secretary
1 April 2012
Appointed Murray, Gerard Thomas as Director
31 March 2012
Resigned Hailes, Paul as Director
31 March 2012
Resigned Hailes, Paul as Secretary
8 September 2011
Resigned Evans, David Eric as Director
8 September 2011
Appointed Martin, Anthony Francis, Dr as Director
1 September 2011
Resigned Wilks, Antony as Director
1 June 2011
Appointed Sackers, Roland as Director
11 December 2009
Appointed Dahlen, Patrik Olof, Dr as Director
20 October 2009
Appointed Wittek, Burkhard, Dr as Director
4 September 2009
Resigned Dracup, William Michael as Director
1 November 2007
Appointed Cookson, Christopher Ian as Director
31 August 2007
Appointed Rousseau, Alain Michel as Director
1 February 2007
Appointed Garrity, Martha Louise as Director
26 January 2007
Appointed Wilks, Antony as Director
12 May 2006
Resigned Lee, Phillip Dukeal Kwaiy, Dr as Director
26 September 2005
Appointed Lee, Phillip Dukeal Kwaiy, Dr as Director
22 December 2004
Appointed Blair, Edward Duncan, Dr as Director
22 December 2004
Appointed Dracup, William Michael as Director
4 June 2004
Appointed Hailes, Paul as Secretary
4 June 2004
Appointed Hailes, Paul as Director
4 June 2004
Appointed Evans, David Eric as Director
4 June 2004
Appointed Duggan, Roger Thomas Patrick, Dr as Director

Ownership 1 active

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

Corporate entity · Notified 12 July 2021
Owns 75–100% of shares
Limited Company
Reg. no. 03758369
Former controllers (1)
12 July 2021
Ceased Burkhard Wittek — Holds 25–50% of voting rights

Group structure 9 companies

Ownership group derived from the Companies House PSC register

Horizon Discovery Group Limited Owns 75–100% of shares
Revvity Discovery Limited Owns 75–100% of shares
Horizon Discovery Biosciences Limited Owns 75–100% of shares
Immunodiagnostic Systems Holdings Limited This company Owns 75–100% of shares
Immunodiagnostic Systems Limited Owns 75–100% of shares
Oxford Immunotec Global Limited Owns 75–100% of shares
Revvity (UK) Limited Owns 75–100% of shares
Revvity Limited Owns 75–100% of shares

Financials

Net Assets
£51,043,617
Cash
£3,510,420
Profit Before Tax
£1,011,641
Debt Ratio
15%
Current Ratio
2.8x
Return on Equity
2%

Trend

Net Assets
£0 £50.0M £100.0M 2023 2024 £62,254,959 £51,043,617
Balance sheet detail
20242023
Fixed Assets£35,292,066£35,320,602
Current Assets£24,747,990£34,256,989
Debtors£21,237,570£32,528,461
Cash£3,510,420£1,728,528
Creditors (< 1 year)£8,993,239£7,322,632
Net Current Assets£15,754,751£26,934,357
Net Assets£51,043,617£62,254,959
Shareholder Funds£51,043,617£62,254,959

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
9 June 2026Confirmation statement with no updates4 June 2026
24 November 2025Full accounts29 December 2024
13 October 2025Termination of appointment of a director
13 October 2025Appointment of a director
10 June 2025Confirmation statement with no updates4 June 2025
Show all recent filings

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