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 2
  • 1
    Hargreaves, Sharon
    Director born in September 1966
    Individual (3 offsprings)
    Officer
    2011-12-21 ~ now
    OF - director → CIF 0
    Mrs Sharon Hargreaves
    Born in September 1966
    Individual (3 offsprings)
    Person with significant control
    2016-07-01 ~ now
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
    PE - Right to appoint or remove directorsCIF 0
  • 2
    Hargreaves, John Anthony
    Director born in March 1969
    Individual (3 offsprings)
    Officer
    2011-12-21 ~ now
    OF - director → CIF 0
    Mr John Anthony Hargreaves
    Born in March 1969
    Individual (3 offsprings)
    Person with significant control
    2016-07-01 ~ now
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
    PE - Right to appoint or remove directorsCIF 0
Ceased 1
  • KERRY SECRETARIAL SERVICES LIMITED
    C/o Cox Costello & Horne Ltd, Langwood House, 63-81 High Street, Rickmansworth, Hertfordshire, England
    Corporate (2 parents, 196 offsprings)
    Equity (Company account)
    1 GBP2024-04-30
    Officer
    2011-12-21 ~ 2012-01-17
    PE - secretary → CIF 0
parent relation
Company in focus

CALCULUS IT & BOOK-KEEPING SERVICES LIMITED

Previous name
CALCULUS IT & ACCOUNTANCY SERVICES LIMITED - 2012-01-06
Standard Industrial Classification
69202 - Bookkeeping Activities
Brief company account
Called-up share capital not yet paid and not classified as a current asset
100 GBP2023-12-29
100 GBP2022-12-29
Fixed Assets
24,676 GBP2023-12-29
24,676 GBP2022-12-29
Current Assets
76,860 GBP2023-12-29
76,860 GBP2022-12-29
Creditors
Amounts falling due within one year
-13,434 GBP2023-12-29
-13,434 GBP2022-12-29
Net Current Assets/Liabilities
63,426 GBP2023-12-29
63,426 GBP2022-12-29
Total Assets Less Current Liabilities
88,202 GBP2023-12-29
88,202 GBP2022-12-29
Net Assets/Liabilities
88,202 GBP2023-12-29
88,202 GBP2022-12-29
Equity
88,202 GBP2023-12-29
88,202 GBP2022-12-29
Average Number of Employees
02022-12-30 ~ 2023-12-29
02021-12-30 ~ 2022-12-29

  • CALCULUS IT & BOOK-KEEPING SERVICES LIMITED
    Info
    CALCULUS IT & ACCOUNTANCY SERVICES LIMITED - 2012-01-06
    Registered number 07888566
    4 Seabrook Road, Kings Langley, Hertfordshire WD4 8NU
    Private Limited Company incorporated on 2011-12-21 (13 years 5 months). The company status is Active.
    The last date of confirmation statement was made at 2024-12-20
    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.