# SIDSEC SECURITY LIMITED (10199910)

> SIDSEC SECURITY LIMITED is an active private limited company (company number 10199910) incorporated on 25 May 2016, registered in London. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £7,759, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 12% on the prior period (£6,937).

- Status: Active
- Incorporated: 2016-05-25
- Registered office: London, EC1V 2NX
- SIC 70229: Management consultancy activities other than financial management
- SIC 80100: Private security activities
- SIC 80300: Investigation activities
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-06-08
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 31,398 comparable companies in London (median £2,815, upper quartile £34k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £7,759 | — | — | £9,090 | — | — | 1 |
| 2024-03-31 | £6,937 | — | — | £9,455 | — | — | 1 |

current ratio 0.08; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £7,759 at 31 March 2025
- Net assets up 10% or more on the prior period: +11.8% vs prior period
- Current assets below creditors within one year: Current ratio 0.08
- Incorporated five or more years ago: Incorporated 25 May 2016

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Kristiyan Siderov — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors; can appoint or remove directors; has significant influence or control, since 2017-04-01

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/10199910
HTML: https://firmoscan.com/company/10199910-sidsec-security-limited