- Companies
- Civil engineering
- Hertford
- Fortress Security Solutions Ltd
Fortress Security Solutions Ltd
- Company number
- 11756215
- Incorporated
- 8 Jan 20197 years trading
- Registered office
- 20 Fanshaws Lane, Brickendon, Hertford, SG13 8PF
- Nature of business
- Construction of utility projects for electricity and telecommunications
Fortress Security Solutions Ltd is a 7-year-old private limited company registered in Hertford, company number 11756215, one of 16 civil engineering contractors in Hertford. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £15K (+73.4%) on the year before, to £34K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £105K against £82K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £34K | £105K | £82K | 2 | |
| 31 Jan 2024 | £20K | £75K | £62K | 2 | |
| 31 Jan 2023 | £71K | £114K | £50K | 2 | |
| 31 Jan 2022 | £108K | £144K | £45K | 2 | |
| 31 Jan 2021 | £80K | £109K | £39K | 1 | |
| 31 Jan 2020 | £27K | £46K | £24K | 0 |
Where Fortress Security Solutions Ltd is registered
The registered office is in Hertford (SG13), in the East Hertfordshire local authority area, East of England. Show SG13 8PF on a map.
Other trade companies in SG13
- D&M Solutions LtdCleaning companies
- Greenpassionlandscapes LtdLandscapers and gardeners
- Nexum Fire & Security LimitedElectricians
- Bullrig Electrical Services LtdElectricians
- Rule One Hold LimitedCleaning companies
- Simpson and West Construction LtdBuilders
- Better Utility Services LtdCivil engineering
- Herts Caravan Services LtdMachinery repair and installation
What happens if Fortress Security Solutions Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 11756215
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 January 2019 (7 years ago)
- Registered office
- 20 Fanshaws Lane, Brickendon, Hertford, SG13 8PF
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 10 November 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Hertford
Other active civil engineering contractors registered in Hertford.
- HC Environmental Ltd2021
- J W Fabrications Limited2012
- JF Services & Contracting Ltd2025
- Lanesra FC Ltd2025
- Oak Carter Limited2020
- Shire Surveying Limited1985
- Tanks Pumps & Pipeworks Limited2024
- Taralga Contracting Limited2018
All civil engineering contractors in Hertford · All trades in Hertford · Civil engineering across the UK
Frequently asked questions
When are Fortress Security Solutions Ltd's accounts due?
Fortress Security Solutions Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Fortress Security Solutions Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Fortress Security Solutions Ltd still trading?
Fortress Security Solutions Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Fortress Security Solutions Ltd do?
Fortress Security Solutions Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Fortress Security Solutions Ltd?
Fortress Security Solutions Ltd was incorporated on 8 January 2019, 7 years ago.
What is the penalty if Fortress Security Solutions Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Fortress Security Solutions Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.