SERIOUS SECURITY SYSTEMS LIMITED
Active Company number 10926950
SERIOUS SECURITY SYSTEMS LIMITED (company number 10926950) is a private limited company incorporated on 22 August 2017. Its status on the Companies House register is Active. Its registered office is in Rotherham, S66 9DB. Its nature of business (SIC 2007) is other business support service activities n.e.c. (82990). Its latest accounts we hold, for the period ending 31 August 2025, report net assets of £1,524.
Source: Companies House register, as at 1 April 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on SERIOUS SECURITY SYSTEMS LIMITED (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score, with the reasons behind the score
- Red flags and what changed in the last 12 months
- Key figures against the year before, and filing deadlines
- Financials ledger: up to 10 years of filed accounts
- Who runs and owns it: directors, secretaries and PSCs
- Charges, filing history and methodology
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Company details
- Company number
- 10926950
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 22 August 2017
- Country of origin
- United Kingdom
- Registered office
- 48 GREENARBOUR ROAD
THURCROFT
ROTHERHAM
SOUTH YORKSHIRE
S66 9DB
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 August
- Accounts category
- TOTAL EXEMPTION FULL
- Accounts last made up to
- 31 August 2025
- Next accounts due
- 31 May 2027
- Confirmation statement last made up to
- 22 October 2025
- Next confirmation statement due
- 5 November 2026
Financial summary
| Period ending | 31 August 2025 | 31 August 2024 | 31 August 2023 | 31 August 2022 | 31 August 2021 | 31 August 2020 | 31 August 2019 | 31 August 2018 |
|---|---|---|---|---|---|---|---|---|
| Total assets | £50k | £56k | £49k | £75k | £20k | £9,347 | £9,341 | £2,545 |
| Cash at bank | £12k | £420 | £6,624 | £49 | £151 | £3,393 | £18 | £704 |
| Current liabilities | £46k | £52k | £40k | £61k | £19k | £7,484 | £4,663 | £2,051 |
| Net current liabilities | £15k | — | — | — | — | — | — | — |
| Total liabilities | £49k | — | — | — | £19k | £7,484 | £4,663 | £2,051 |
| Net assets | £1,524 | £401 | £1,803 | £3,752 | £1,078 | £1,863 | £4,678 | £494 |
| Employees | 1 | 1 | 1 | 1 | 1 | 1 | — | — |
—: no figure read from the filing.
Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (1 including ceased)
Questions about SERIOUS SECURITY SYSTEMS LIMITED
Is SERIOUS SECURITY SYSTEMS LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 1 April 2026.)
When was SERIOUS SECURITY SYSTEMS LIMITED incorporated?
SERIOUS SECURITY SYSTEMS LIMITED was incorporated on 22 August 2017, according to the Companies House register. (Companies House register, as at 1 April 2026.)
Where is SERIOUS SECURITY SYSTEMS LIMITED registered?
Its registered office is in Rotherham, S66 9DB. (Companies House register, as at 1 April 2026.)
Who controls SERIOUS SECURITY SYSTEMS LIMITED?
The register lists 1 current person with significant control (1 including those who have ceased). The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/10926950/persons-with-significant-control. (Companies House register, as at 1 April 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are SERIOUS SECURITY SYSTEMS LIMITED's next accounts due?
The register shows the next accounts as due by 31 May 2027. Its latest accounts on the register were made up to 31 August 2025. (Companies House register, as at 1 April 2026.)
Does SERIOUS SECURITY SYSTEMS LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Total exemption accounts”, made up to 31 August 2025. (Companies House register, as at 1 April 2026.) What a dormant company is and what it must file
Is SERIOUS SECURITY SYSTEMS LIMITED on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 6 October 2026. A name screen is not legal clearance.
Related companies
More other business support service activities n.e.c. companies
- CURRYS PLC
- RENTOKIL INITIAL PLC
- REFINITIV LIMITED
- QUADGAS MIDCO LIMITED
- INFOBIP LIMITED
- AIGRETTE FINANCING LIMITED
- GATWICK AIRPORT FINANCE PLC
- THAME AND LONDON LIMITED
Industry overview: 161,390 active companies in SIC 82990
Other active companies registered at S66 9DB
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “SERIOUS SECURITY”. Each is a separate legal entity from SERIOUS SECURITY SYSTEMS LIMITED: check the registered number before relying on a name. Register data as at 1 April 2026.
- SERIOUS SECURITY LIMITED (Company, Active, Oakham; 07316286)
- SERIOUS SECURITY LOGISTICS LIMITED (Company, Active, Oakham; 09459906)
About CompanyStack
CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Official register entry: SERIOUS SECURITY SYSTEMS LIMITED on Companies House.
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