SERT SECURITY LTD
Company number 12735511 · Active · Bristol BS11 9EN
SERT SECURITY LTD is an active private limited company (company number 12735511) incorporated on 10 July 2020, registered in Bristol. Its registered activity is security systems service activities (SIC 80200). Latest micro accounts cover the period ending 31 July 2025, showing net assets of £3,964, 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 23% on the prior period (£3,212).
By net assets it sits in the lower half of 99 comparable companies in Bristol (median £15k, upper quartile £117k).
Key dates
- Incorporated
- 10 July 2020
- Next accounts due
- 30 April 2027 — in 194 days
- Confirmation statement due
- 24 July 2027 — in 279 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 80200
- Security systems service activities
- Accounts type
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 July 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 July 2025 | £3,964 | — | — | £17k | — | — | 1 |
| 31 July 2024 | £3,212 | — | — | £38k | — | — | 1 |
- Current ratio
- 1.23
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
Firmoscan score: 76/100 (grade B)
- +10 Positive net assets — Net assets £3,964 at 2025-07-31
- +8 Net assets growing — +23.4% vs prior period
- +8 Established — Incorporated 2020-07-10 (6 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Mr Mehmet Sert — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 10 July 2020
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Bristol
Same activity (security systems service activities), closest in incorporation date.
- JD FIRE AND SECURITY LIMITED — Bristol, inc. Feb 2020
- NNOP CONTRACT SECURITY LTD — Axbridge, inc. Feb 2020
- BRISTOL FIRE PROTECTION LIMITED — Bristol, inc. Feb 2021
- LOCKFIT (BRISTOL) LIMITED — Bristol, inc. Oct 2019
- NOBUS SECURITY SYSTEMS LTD — Bristol, inc. Jul 2019
- FLEET FACILITIES & CONTRACTING LTD — Weston-Super-Mare, inc. Jun 2019
Reminders for SERT SECURITY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.