- Companies
- Cleaning companies
- Derby
- Fortress Maintenance Ltd
Fortress Maintenance Ltd
- Company number
- 14818078
- Incorporated
- 20 Apr 20233 years trading
- Registered office
- Jessop House 6 Outrams Wharf, Little Eaton, Derby, DE21 5EL
- Nature of business
- Other building and industrial cleaning activities
Fortress Maintenance Ltd is a 3-year-old private limited company registered in Derby, company number 14818078, one of 168 cleaning companies in Derby. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £252K (+620.5%) on the year before, to £293K.
- Current assets of £390K against £95K owed within a year: 4.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £293K | £272K | £390K | £95K | 2 |
| 30 Apr 2024 | £41K | £31K | £76K | £36K | 2 |
Where Fortress Maintenance Ltd is registered
The registered office is in Derby (DE21), in the Erewash local authority area, East Midlands. Show DE21 5EL on a map.
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What happens if Fortress Maintenance 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14818078
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 April 2023 (3 years ago)
- Registered office
- Jessop House 6 Outrams Wharf, Little Eaton, Derby, DE21 5EL
- Nature of business
- Other building and industrial cleaning activities (SIC 81229)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 13 April 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Derby
Other active cleaning companies registered in Derby.
- Fran Private Domestic Cleaning & Home Care Ltd2026
- Freshly Pristine Ltd2025
- Friar Gate Launderette Limited2004
- G Star Cleaning Limited2025
- Gamma Denali Solutions Ltd2025
- Gleaming Panes Limited2003
- Gye Nyame Cleaning Services Ltd2026
- H & B Sparkling Limited2025
All cleaning companies in Derby · All trades in Derby · Cleaning companies across the UK
Frequently asked questions
When are Fortress Maintenance Ltd's accounts due?
Fortress Maintenance Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Fortress Maintenance Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Fortress Maintenance Ltd still trading?
Fortress Maintenance 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 Maintenance Ltd do?
Fortress Maintenance Ltd is registered under Other building and industrial cleaning activities (SIC 81229).
How old is Fortress Maintenance Ltd?
Fortress Maintenance Ltd was incorporated on 20 April 2023, 3 years ago.
What is the penalty if Fortress Maintenance 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 Maintenance 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.