Website & contact details
- Website
Secure Digital Exchange Limited
- Incorporated
- 26 May 2004 (22 years)
- Previously known as
- SDX Messaging Limited (until 8 May 2018)
- Industry
- Business and domestic software development (62012)
- Directors
- Joanne Alicia ThurgoodAndrew Noel Barlow
- Owned by
- Karen Mcleod BarlowJoanne Alicia Thurgood
- Accounts type
- Micro entity
- Region
- Greater London
- Address
- Eastcastle House27/28 Eastcastle StreetLondonW1W 8DH
Filing status
- Accounts due
- 29 February 2028
- Last accounts
- 31 May 2026
- Conf. stmt due
- 9 June 2027
- Last conf. stmt
- 26 May 2026
Officers 4 active
Officer details are public data from the Companies House register.
Thurgood, Joanne Alicia
Director · Appointed 1 December 2021
British
Born May 1967 (59)
Director · Appointed 1 November 2016
Also at Beta Partners Limited · more companies
British
Born May 1966 (60)
Stott, Christopher John
Secretary · Appointed 3 June 2015
Barlow, Andrew Noel
Director · Appointed 20 November 2012
British
Born February 1963 (63)
Officer history (4 former)
1 December 2021
Appointed Thurgood, Joanne Alicia as Director
1 December 2021
17 January 2017
Resigned Thurgood, Philip Stephen as Director
1 November 2016
3 June 2015
Appointed Stott, Christopher John as Secretary
20 November 2012
Appointed Barlow, Andrew Noel as Director
9 November 2012
11 July 2007
Resigned Thurgood, Philip Stephen as Secretary
11 July 2007
Resigned Barlow, Andrew Noel as Director
26 May 2004
Appointed Thurgood, Philip Stephen as Secretary
26 May 2004
Appointed Barlow, Andrew Noel as Director
26 May 2004
Appointed Thurgood, Philip Stephen as Director
Ownership 3 active
People and entities with significant control, from the Companies House PSC register
Karen Mcleod Barlow
Individual · Notified 1 February 2023
Owns 25–50% of shares
British
Born May 1961 (65)
Joanne Alicia Thurgood
Individual · Notified 18 January 2017
Owns 25–50% of shares
British
Born May 1967 (59)
Andrew Noel Barlow
Individual · Notified 6 April 2016
Has significant influence or control
British
Born February 1963 (63)
Financials
Figures from 2025 accounts. Newer accounts, made up to 31 May 2026, are filed but not read yet. See them on Companies House
- Net Assets
- £295,998
- Employees
- 9
- Debt Ratio
- 35%
- Current Ratio
- 4.5x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £116,409 | £115,267 | £114,128 | £112,993 | £109,812 | £104,785 |
| Current Assets | £340,689 | £342,915 | £342,290 | £424,828 | £388,365 | £212,740 |
| Creditors (< 1 year) | £75,294 | £68,459 | £63,969 | £59,500 | £69,699 | |
| Creditors (> 1 year) | £35,057 | |||||
| Net Current Assets | £269,150 | £278,211 | £282,071 | £369,078 | £321,813 | £215,425 |
| Net Assets | £295,998 | £304,883 | £307,604 | £424,445 | £364,499 | £227,527 |
| Shareholder Funds | £295,998 | £304,883 | £307,604 | £424,445 | £364,499 | £227,527 |
What Secure Digital Exchange say about themselves
“Secure Digital Exchange: The ultimate customer engagement platform: delivering engaging, fast, secure and flexible user-friendly journeys.”
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 23 October 2026 | Registered office address changed | |||
| 21 October 2026 | Registered office address changed | |||
| 18 June 2026 | Confirmation statement with no updates | 26 May 2026 | ||
| 26 May 2026 | Change of details for a person with significant control | |||
| 12 December 2025 | Micro company accounts | 31 May 2025 |
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