THE HEALTH DATA EXCHANGE LTD
Company details
- Registered name
- THE HEALTH DATA EXCHANGE LTD
- Company number
- 09842585
- Registered office
- 87A HIGH STREET, THE OLD TOWN, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP1 3AH, UNITED KINGDOM
- Company type
- Private Limited Company
- Incorporated on
- 26 October 2015
- Status
- Unknown
- Age
- 10 years
- Previous names
- CASTLE FIRST LTD (to 30 Jun 2020)
- Nature of business (SIC)
- 63990 — Other information service activities n.e.c.
- Accounts — next due
- 31 Jul 2025
- Accounts — last made up to
- 31 Oct 2023
- Confirmation statement — next due
- 14 Nov 2024
- Confirmation statement — last
- 31 Oct 2023
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- Accounts were due on 31 July 2025 and the register does not show them filed (13 months overdue).
- The confirmation statement was due on 14 November 2024 (22 months overdue).
- A person with significant control here also controls 1 other company.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 30/06/2020 | Registered name changed | CASTLE FIRST LTD | THE HEALTH DATA EXCHANGE LTD |
| 24/10/2019 | Person with significant control ceased | Ms Susan Walton | — |
| 24/10/2019 | Person with significant control added | — | Mr Andrew Carmody |
| 13/05/2016 | Person with significant control added | — | Ms Susan Walton |
Documents for THE HEALTH DATA EXCHANGE LTD
Need this one company on file? Buy the document on its own — no plan required.
The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
Every field on this page is available as structured JSON behind one endpoint and one API key.
GET /v1/company/gb/09842585
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of THE HEALTH DATA EXCHANGE LTD?▾
Where is THE HEALTH DATA EXCHANGE LTD registered?▾
What is the SIC code of THE HEALTH DATA EXCHANGE LTD?▾
Who controls THE HEALTH DATA EXCHANGE LTD?▾
When are the next accounts of THE HEALTH DATA EXCHANGE LTD due?▾
About THE HEALTH DATA EXCHANGE LTD (09842585)
THE HEALTH DATA EXCHANGE LTD is a private limited company incorporated on 26 October 2015 and registered in the United Kingdom under company number 09842585. Its registered office is at 87A HIGH STREET, THE OLD TOWN, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP1 3AH, UNITED KINGDOM. The recorded nature of business is other information service activities n.e.c. (SIC 63990). The company is currently unknown , with statutory accounts last made up to 31 October 2023. , and the person with significant control is Mr Andrew Carmody. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Other information service activities n.e.c. across UK registers
The same sector and the same company, seen through every register we hold
Explore by sector
Every UK company records what it does as a SIC code — browse the sectors around this one.