Website & contact details
- Website
Tidalsense Limited
- Incorporated
- 23 April 2013 (13 years)
- Previously known as
- Cambridge Respiratory Innovations Limited (until 10 May 2023)This list may be incomplete. See all names on Companies House
- Industry
- Other research and experimental development on natural sciences and engineering (72190)
- Directors
- Fredericus ColenDonna Margaret ParrGavin Christopher Petken
- Controlled by
- Accounts type
- Small
- Region
- East of England
- Address
- The Vinery15AVinery RoadCambridgeCB1 3DN
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 21 May 2027
- Last conf. stmt
- 7 May 2026
Officers 7 active
Officer details are public data from the Companies House register.
Colen, Fredericus
Director · Appointed 28 October 2026
Dutch
Born September 1952 (74)
Parr, Donna Margaret
Director · Appointed 5 June 2026
Canadian
Born September 1958 (68)
Petken, Gavin Christopher
Director · Appointed 26 November 2025
British
Born September 1971 (55)
Director · Appointed 27 October 2025
British
Born July 1970 (56)
Director · Appointed 16 February 2021
British
Born June 1989 (37)
Director · Appointed 18 November 2020
British
Born March 1967 (59)
Carter, Julian Charles, Dr
Director · Appointed 23 April 2013
British
Born June 1964 (62)
Officer history (10 former)
28 October 2026
Appointed Colen, Fredericus as Director
5 June 2026
Appointed Parr, Donna Margaret as Director
26 November 2025
Appointed Petken, Gavin Christopher as Director
27 October 2025
30 September 2025
28 April 2025
Resigned Curnock Cook, Jeremy as Director
4 February 2025
Resigned Pierce, Matthew Linton as Director
31 January 2023
Resigned Macgregor, Calum John as Director
4 October 2022
15 September 2022
15 September 2022
Appointed Pierce, Matthew Linton as Director
29 March 2021
16 February 2021
5 February 2021
18 November 2020
18 November 2020
Appointed Curnock Cook, Jeremy as Director
18 November 2020
Resigned Overend, Russell Barr as Director
18 November 2020
Resigned Altrip, John Lawrence, Dr as Director
20 August 2019
14 August 2019
Resigned Walsh, Benjamin Jeremy as Director
25 September 2018
Appointed Macgregor, Calum John as Director
30 June 2016
3 September 2015
3 September 2015
Appointed Overend, Russell Barr as Director
1 May 2013
Appointed Walsh, Benjamin Jeremy as Director
23 April 2013
Appointed Carter, Julian Charles, Dr as Director
23 April 2013
Appointed Altrip, John Lawrence, Dr as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 22 October 2021
Has significant influence or control
Private Limited Company
Reg. no. 10608481
Former controllers (1)
22 October 2021
Ceased Gas Sensing Solutions Ltd — Owns 25–50% of shares
Financials
Figures from 2024 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Cash
- £925,651
- Profit
- (£2,849,662)
- Employees
- 20
- Current Ratio
- 0.8x
Trend
Shareholder Funds
Balance sheet detail
| 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £301,393 | £155,499 | £38,802 | £24,557 | £4,816 | £944 |
| Current Assets | £1,748,812 | £2,267,672 | £2,385,265 | £3,173,712 | £2,235,603 | £414,728 |
| Debtors | £788,033 | £736,856 | £811,922 | £498,918 | £567,477 | £409,900 |
| Cash | £925,651 | £1,510,399 | £1,573,343 | £2,674,794 | £1,668,126 | £4,828 |
| Creditors (< 1 year) | £2,280,772 | £489,941 | £623,739 | £385,438 | £530,488 | £716,898 |
| Net Current Assets | (£531,960) | £1,777,731 | £1,761,526 | £2,788,274 | £1,705,115 | (£302,170) |
| Shareholder Funds | (£230,567) | £1,933,230 | £1,800,328 | £2,812,831 | £1,709,931 | (£301,226) |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 30 October 2026 | Appointment of a director | |||
| 15 July 2026 | Statement of capital following an allotment of shares | |||
| 19 June 2026 | Change of details for a person with significant control | |||
| 10 June 2026 | Statement of capital following an allotment of shares | |||
| 5 June 2026 | Appointment of a director |
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