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Business and domestic software development · London

Castleton Technologies

Castleton Technologies Limited

Staff down 13%ActiveLatest figures: 2025Company only19 years on the register

Private limited company registered in London, classed under “Business and domestic software development” and 1 other activity.

Headline figures

FY to Dec 2025 · Company only

Turnover

For subscribers

Profit after tax

£114k

Net assets

For subscribers

Cash

For subscribers

Employees

For subscribers

Retained reserves

For subscribers

What the numbers say

4 findings from the figures, in plain English

Written by rules from the figures on this page. Not a forecast or a credit opinion.

History

Pro
£2021*202220232024*2025
Profit after tax£114k
Turnover
Net assets
Cash
Employees
Retained reserves

Every figure for all 5 years

“—” means we did not find the figure in a source; it is never filled with an estimate. * Restated: the next year's accounts printed different figures for this year, and those later figures are shown.

Balance sheet and ratios

From the filed balance sheets · £

Balance sheet2022202320242025
Fixed assets
Current assets
of which debtors
Creditors due within a year
Net current assets
Net assets
Ratios
Profit marginProfit after tax as a share of turnover
Return on equityProfit after tax as a share of net assets
Current ratioCurrent assets for every £1 owed within a year
Creditors to assetsEverything owed to creditors as a share of fixed plus current assets
Turnover per employeeTurnover divided by average staff
Debtor daysDays of turnover owed by customers at the year end

6 balance-sheet lines and 6 ratios, every year

A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.

Timeline

Checked 2026-10-12

  1. Accounts
    Full accounts made up to 31 December 2025
  2. Directors
    Termination of appointment of Roman Telerman as a director on 10 November 2025
  3. Accounts
    Full accounts made up to 31 December 2024
  4. Accounts
    Full accounts made up to 31 December 2023
  5. Accounts
    Full accounts made up to 31 December 2022
  6. Accounts
    Full accounts made up to 31 December 2021
  7. Ownership
    Change of details for Castleton Technology Intermediate Holding Company Limited as a person with significant control on 29 March 2022
  8. Accounts
    Full accounts made up to 31 December 2020
  9. Accounts
    Full accounts made up to 31 March 2020
  10. Ownership
    Change of details for Castleton Technology Intermediate Holding Company Limited as a person with significant control on 17 September 2020
  11. Filing
    Current accounting period shortened from 31 March 2021 to 31 December 2020
  12. Address
    Registered office address changed from The Walbrook Building 25 Walbrook London EC4N 8AF United Kingdom to 9 King Street London EC2V 8EA on 17 September 2020
  13. 2 earlier
    1. Directors
      Termination of appointment of Haywood Trefor Chapman as a director on 4 June 2020
    2. Directors
      Termination of appointment of Karenjeet Kaur Showker as a secretary on 16 June 2020

From the Companies House filing history. Routine confirmation statements are left out, and a run of the same filing is shown once.

Questions people ask

›What does Castleton Technologies do?

Private limited company registered in London, classed under “Business and domestic software development” and 1 other activity.

›How much turnover does Castleton Technologies make?

Answered in the full report

›Is Castleton Technologies profitable?

Yes: it made a profit after tax of £114k in the year to 31 December 2025, its latest filed accounts.

›How many people work at Castleton Technologies?

Answered in the full report

›Who runs and owns Castleton Technologies?

Answered in the full report

›Where is Castleton Technologies based?

Its registered office is 9 King Street, London, EC2V 8EA, in London.

›When was Castleton Technologies founded?

Castleton Technologies Limited was incorporated on 30 March 2007.

›Is Castleton Technologies still trading?

The register lists Castleton Technologies Limited as active.