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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 3
  • 1
    Cropper, Alan Trevor
    Born in May 1940
    Individual (5 offsprings)
    Officer
    2010-05-19 ~ now
    OF - Director → CIF 0
    Cropper, Alan Trevor
    Individual (5 offsprings)
    Officer
    2010-05-19 ~ now
    OF - Secretary → CIF 0
    Mr Alan Trevor Cropper
    Born in May 1940
    Individual (5 offsprings)
    Person with significant control
    2016-04-06 ~ now
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
  • 2
    Harmon, David William
    Born in February 1967
    Individual (7 offsprings)
    Officer
    2017-08-08 ~ now
    OF - Director → CIF 0
  • 3
    Cropper, Elizabeth Anne
    Company Director born in November 1948
    Individual (1 offspring)
    Officer
    2010-05-19 ~ 2011-05-20
    OF - Director → CIF 0
    Ms Elizabeth Anne Cropper
    Born in November 1948
    Individual (1 offspring)
    Person with significant control
    2016-04-06 ~ 2021-01-01
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
parent relation
Company in focus

DETERALERT LIMITED

Period: 2017-08-10 ~ now
Company number: 07259369
Registered names
DETERALERT LIMITED - now
APPTTACK LIMITED - 2017-08-10
ATC IDEAS LIMITED - 2011-02-15
Standard Industrial Classification
62012 - Business And Domestic Software Development
Brief company account
Current Assets
225 GBP2025-05-31
138 GBP2024-05-31
Creditors
Amounts falling due within one year
-1,576 GBP2025-05-31
-1,264 GBP2024-05-31
Net Current Assets/Liabilities
-1,351 GBP2025-05-31
-1,126 GBP2024-05-31
Total Assets Less Current Liabilities
-1,351 GBP2025-05-31
-1,126 GBP2024-05-31
Creditors
Amounts falling due after one year
-56,520 GBP2025-05-31
-53,422 GBP2024-05-31
Net Assets/Liabilities
-57,871 GBP2025-05-31
-54,548 GBP2024-05-31
Equity
-57,871 GBP2025-05-31
-54,548 GBP2024-05-31
Average Number of Employees
02024-06-01 ~ 2025-05-31
02023-06-01 ~ 2024-05-31

  • DETERALERT LIMITED
    Info
    APPTTACK LIMITED - 2017-08-10
    ATC IDEAS LIMITED - 2017-08-10
    Registered number 07259369
    4 The Cloisters, Barnacres Road, Hemel Hempstead, Hertfordshire HP3 8JU
    PRIVATE LIMITED COMPANY incorporated on 2010-05-19 (16 years). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-05-19
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 22 April 2026 and licensed under the Open Government Licence v3.0.