What Wittenstein High Integrity Systems say about themselves
“Specialist RTOS kernel used for commercial and safety critical applications such as medical, automotive, aerospace, and industrial devices.”
Wittenstein High Integrity Systems Limited
- Incorporated
- 10 February 1999 (27 years)
- Previously known as
- Wittenstein Aerospace & Simulation Limited (until 14 December 2020)Wittenstein Aktiv Technologies Limited (until 7 April 2003)Areawaste Limited (until 18 March 1999)
- Industry
- Other information technology service activities (62090)
- Directors
- Mark EikötterAndrew Kenneth Longhurst
- Owned by
- Viktoria WittensteinAnna-Katharina WittensteinDaniel Wittenstein
- Accounts type
- Small
- Region
- South West
- Address
- 3 Rivergate1st Floor Temple QuayBristolBS1 6EW
Website & contact details
- Website
Filing status
- Accounts due
- 31 December 2027
- Last accounts
- 31 March 2026
- Conf. stmt due
- 15 August 2027
- Last conf. stmt
- 1 August 2026
Officers 3 active
Officer details are public data from the Companies House register.
Eikötter, Mark, Dr.
Director · Appointed 1 October 2023
German
Born November 1978
Longhurst, Andrew Kenneth
Secretary · Appointed 1 April 2019
Longhurst, Andrew Kenneth
Director · Appointed 1 April 2019
British
Born September 1970 (56)
Officer history (15 former)
1 October 2023
Appointed Eikötter, Mark, Dr. as Director
30 September 2023
Resigned Rungfeldt, Kasper as Director
1 April 2019
Appointed Longhurst, Andrew Kenneth as Secretary
1 April 2019
Appointed Longhurst, Andrew Kenneth as Director
31 March 2019
Resigned Cowling, David Anthony, Dr as Secretary
31 March 2019
19 April 2018
Appointed Rungfeldt, Kasper as Director
18 April 2018
Resigned Wittenstein, Anna-Katharina, Dr as Director
30 March 2017
Appointed Wittenstein, Anna-Katharina, Dr as Director
29 March 2017
Resigned Haft, Dirk, Dr as Director
7 October 2016
Appointed Haft, Dirk, Dr as Director
6 October 2016
Resigned Wittenstein, Anna-Katharina, Dr as Director
1 April 2016
Appointed Wittenstein, Anna-Katharina, Dr as Director
31 March 2016
Resigned Schwarz, Karl-Heinz as Director
30 April 2012
Appointed Cowling, David Anthony, Dr as Secretary
1 April 2012
Appointed Schwarz, Karl-Heinz as Director
31 March 2012
Resigned Hartje, Sabine as Secretary
31 March 2012
Resigned Hartje, Sabine as Director
2 March 2009
Resigned Posch, Gunter as Director
1 September 2005
Appointed Posch, Gunter as Director
31 August 2005
Resigned Wittenstein, Manfred as Director
14 January 2004
14 January 2004
Appointed Hartje, Sabine as Director
14 January 2004
14 January 2004
Appointed Hartje, Sabine as Secretary
26 February 1999
26 February 1999
Appointed Wittenstein, Manfred as Director
26 February 1999
26 February 1999
26 February 1999
26 February 1999
10 February 1999
10 February 1999
Ownership 4 active
People and entities with significant control, from the Companies House PSC register
Viktoria Wittenstein
Individual · Notified 31 December 2025
Owns 25–50% of shares
German
Born July 1998 (28)
Anna-Katharina Wittenstein
Individual · Notified 31 October 2025
Owns 25–50% of shares
German
Born November 1975
Daniel Wittenstein
Individual · Notified 31 October 2025
Owns 25–50% of shares
German
Born March 1988 (38)
Manfred Wittenstein
Individual · Notified 6 April 2016
Holds 25–50% of voting rights
German
Born September 1942 (84)
Financials
Balance sheet as at 31 March 2026 · small accounts
- Net Assets
- £4,321,718
- Cash
- £1,507,042
- Employees
- 57
- Debt Ratio
- 52%
- Current Ratio
- 2.0x
Trend
Net Assets
Balance sheet detail
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
| Fixed Assets | £5,419,623 | £1,533,711 | £1,429,005 | £923,359 | £561,478 | £292,461 | £287,478 |
| Current Assets | £3,543,013 | £3,266,186 | £2,571,166 | £2,225,579 | £1,740,354 | £1,323,067 | £1,089,810 |
| Debtors | £1,565,042 | £1,969,586 | £1,747,909 | £851,102 | £918,787 | £719,505 | £629,214 |
| Cash | £1,507,042 | £1,122,595 | £714,837 | £1,263,737 | £670,647 | £432,814 | £359,453 |
| Creditors (< 1 year) | £1,799,255 | £1,683,451 | £1,542,043 | £1,516,207 | £1,253,112 | £940,830 | £652,509 |
| Creditors (> 1 year) | £2,674,895 | ||||||
| Net Current Assets | £1,743,758 | £1,582,735 | £1,029,123 | £709,372 | £487,242 | £382,237 | £437,301 |
| Net Assets | £4,321,718 | £3,075,415 | £2,410,158 | £1,598,074 | £1,024,017 | £661,445 | £708,588 |
| Shareholder Funds | £4,321,718 | £3,075,415 | £2,410,158 | £1,598,074 | £1,024,017 | £661,445 | £708,588 |
Filings
Filing history not loaded yet. See it on Companies House
Other companies in this industry
London
London
Hitchin
London
By trade and location
Explore the largest companies
Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →