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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 1
  • Carmody, Andrew
    Consultant born in November 1966
    Individual (3 offsprings)
    Officer
    icon of calendar 2015-10-26 ~ now
    OF - Director → CIF 0
    Mr Andrew Carmody
    Born in November 1966
    Individual (3 offsprings)
    Person with significant control
    icon of calendar 2019-10-24 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
Ceased 2
  • 1
    Carmody, Lucy Elizabeth
    Company Director born in January 1968
    Individual (1 offspring)
    Officer
    icon of calendar 2019-11-01 ~ 2021-09-02
    OF - Director → CIF 0
  • 2
    Walton, Susan
    Consultant born in November 1959
    Individual (8 offsprings)
    Officer
    icon of calendar 2015-10-26 ~ 2019-10-24
    OF - Director → CIF 0
    Ms Susan Walton
    Born in November 1959
    Individual (8 offsprings)
    Person with significant control
    icon of calendar 2016-05-13 ~ 2019-10-24
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
parent relation
Company in focus

THE HEALTH DATA EXCHANGE LTD

Previous name
CASTLE FIRST LTD - 2020-06-30
Standard Industrial Classification
63990 - Other Information Service Activities N.e.c.
Brief company account
Par Value of Share
Class 1 ordinary share
12022-11-01 ~ 2023-10-31
Property, Plant & Equipment
89 GBP2023-10-31
179 GBP2022-10-31
Debtors
204 GBP2022-10-31
Cash at bank and in hand
10 GBP2023-10-31
468 GBP2022-10-31
Current Assets
10 GBP2023-10-31
672 GBP2022-10-31
Creditors
Current
16,747 GBP2023-10-31
12,656 GBP2022-10-31
Net Current Assets/Liabilities
-16,737 GBP2023-10-31
-11,984 GBP2022-10-31
Total Assets Less Current Liabilities
-16,648 GBP2023-10-31
-11,805 GBP2022-10-31
Creditors
Non-current
38,188 GBP2023-10-31
40,186 GBP2022-10-31
Net Assets/Liabilities
-54,836 GBP2023-10-31
-51,991 GBP2022-10-31
Equity
Called up share capital
118 GBP2023-10-31
118 GBP2022-10-31
Share premium
249,990 GBP2023-10-31
249,990 GBP2022-10-31
Retained earnings (accumulated losses)
-304,944 GBP2023-10-31
-302,099 GBP2022-10-31
Equity
-54,836 GBP2023-10-31
-51,991 GBP2022-10-31
Average Number of Employees
12022-11-01 ~ 2023-10-31
12021-11-01 ~ 2022-10-31
Property, Plant & Equipment - Gross Cost
Plant and equipment
647 GBP2022-10-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
Plant and equipment
558 GBP2023-10-31
468 GBP2022-10-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
Plant and equipment
90 GBP2022-11-01 ~ 2023-10-31
Property, Plant & Equipment
Plant and equipment
89 GBP2023-10-31
179 GBP2022-10-31
Other Debtors
Amounts falling due within one year, Current
204 GBP2022-10-31
Bank Borrowings/Overdrafts
Current
10,781 GBP2023-10-31
8,055 GBP2022-10-31
Trade Creditors/Trade Payables
Current
163 GBP2023-10-31
Other Creditors
Current
5,803 GBP2023-10-31
4,601 GBP2022-10-31
Bank Borrowings/Overdrafts
Non-current
38,188 GBP2023-10-31
40,186 GBP2022-10-31
Number of Shares Issued (Fully Paid)
Class 1 ordinary share
118 shares2023-10-31

  • THE HEALTH DATA EXCHANGE LTD
    Info
    CASTLE FIRST LTD - 2020-06-30
    Registered number 09842585
    icon of address87a High Street, The Old Town, Hemel Hempstead, Hertfordshire HP1 3AH
    Private Limited Company incorporated on 2015-10-26 (9 years 11 months). The company status is Active.
    The last date of confirmation statement was made at 2023-10-31
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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Contains public sector information retrieved at 24 April 2025 and licensed under the Open Government Licence v3.0.