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Other information technology service activities · Bristol, South West

Onsecurity Technology

Onsecurity Technology Limited

Turned to net liabilitiesLosses 3 years runningCash down 78%Staff up 89%ActiveLatest figures: 2025Filed as a small companyAbridged accountsCompany only4 years on the register

Private limited company registered in Bristol, classed under “Other information technology service activities”.

Headline figures

FY to Jun 2025 · Company only

Turnover

For subscribers

Profit after tax

−£3.48m

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
£2023*2024*2025
Profit after tax−£3.48m
Turnover
Net assets
Cash
Employees
Retained reserves

Every figure for all 3 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 sheet202320242025
Fixed assets
Current assets
of which debtors
of which cash
Creditors due within a year
Net current assets
Net assets
Ratios
Return on equityProfit after tax as a share of net assets
Current ratioCurrent assets for every £1 owed within a year
Cash ratioCash for every £1 owed within a year
Creditors to assetsEverything owed to creditors as a share of fixed plus current assets

7 balance-sheet lines and 4 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. Shares
    Statement of capital following an allotment of shares on 11 June 2026 GBP 754.631
  2. Shares
    Statement of capital following an allotment of shares on 11 May 2026 GBP 742.074
  3. Shares
    Particulars of variation of rights attached to shares
  4. Shares
    Change of share class name or designation
  5. Directors
    Appointment of Mr Alastair Richard Mills as a director on 12 June 2026
  6. Shares
    Resolutions RES11 ‐ Resolution of removal of pre-emption rights RES10 ‐ Resolution of allotment of securities RES12 ‐ Resolution of varying share rights or nam…
  7. Filing
    Memorandum and Articles of Association
  8. Charges
    Registration of charge 141840260001, created on 11 May 2026
  9. Accounts
    Accounts for a small company made up to 30 June 2025
  10. Directors
    Appointment of Mrs Marieke Charlotte Christmann as a director on 25 October 2025
  11. Directors
    Termination of appointment of Grace Cassy as a director on 4 February 2026
  12. Directors
    Termination of appointment of Steven Carle as a director on 5 October 2025
  13. 5 earlier
    1. Directors
      Termination of appointment of David Robert Hewson as a director on 30 September 2025
    2. Accounts
      Accounts for a small company made up to 30 June 2024
    3. Address
      Registered office address changed from Runway East 101 Victoria Street Bristol BS1 6PU England to 1 Victoria Street Bristol BS1 6AA on 11 December 2024
    4. Directors
      Director's details changed for Mr Adam Luxford on 15 December 2023
    5. Shares
      Statement of capital following an allotment of shares on 4 June 2024 GBP 579.47

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 Onsecurity Technology do?

Private limited company registered in Bristol, classed under “Other information technology service activities”. In its own words: “Expert CREST-approved penetration testing services for UK businesses. Web app, network, cloud, mobile & phishing simulation. Get an instant pen test quote in 60 seconds.”

›How much turnover does Onsecurity Technology make?

Answered in the full report

›Is Onsecurity Technology profitable?

No: it made a loss after tax of £3.48m in the year to 30 June 2025, its latest filed accounts.

›How many people work at Onsecurity Technology?

Answered in the full report

›Who runs and owns Onsecurity Technology?

Answered in the full report

›Where is Onsecurity Technology based?

Its registered office is 1 Victoria Street, Bristol, BS1 6AA, in Bristol, South West.

›When was Onsecurity Technology founded?

Onsecurity Technology Limited was incorporated on 20 June 2022.

›Is Onsecurity Technology still trading?

The register lists Onsecurity Technology Limited as active.