- Companies
- Finishing trades
- Portsmouth
- TSC Maintenance Services Ltd
TSC Maintenance Services Ltd
- Company number
- 15887468
- Incorporated
- 9 Aug 20242 years trading
- Registered office
- 31 Arethusa House, 31 Arethusa House, Portsmouth, PO1 3TQ
- Nature of business
- Other building completion and finishing; Other specialised construction activities n.e.c.; General cleaning of buildings; Other business support service activities n.e.c.
TSC Maintenance Services Ltd is a 2-year-old private limited company registered in Portsmouth, company number 15887468, one of 137 building finishing companies in Portsmouth. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 down £1,059 (-83.9%) on the year before, to £203.
- Current assets of £2,804 against £2,601 owed within a year: 1.1 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2026 | £203 | £0 | £2,804 | £2,601 | 3 |
| 31 Aug 2025 | £1,262 | £338 | £2,812 | £1,550 | 2 |
Where TSC Maintenance Services Ltd is registered
The registered office is in Portsmouth (PO1), in the Portsmouth local authority area, South East. Show PO1 3TQ on a map.
Other trade companies in PO1
- Design 1805 Southern LtdJoiners and carpenters
- Portsmouth Roofing LtdRoofers
- Peterborough Mews (London) LimitedProperty developers
- Doxa Facility Group LtdCleaning companies
- Crestpoint Cleaning & Facilities LtdCleaning companies
- Dark Rose Cleaning Co LtdCleaning companies
- PDS Garage Services LtdMechanics and garages
- HDF Roofing LtdRoofers
What happens if TSC Maintenance Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15887468
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2024 (2 years ago)
- Registered office
- 31 Arethusa House, 31 Arethusa House, Portsmouth, PO1 3TQ
- Nature of business
- Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999)
General cleaning of buildings (SIC 81210)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 8 August 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Portsmouth
Other active building finishing companies registered in Portsmouth.
- TWF Building Services Limited2016
- View Interiors Ltd2016
- W P Jeram (Portsmouth) Limited2003
- W W Flooring & Building Services Ltd2018
- West Sussex Carpentry & Building Ltd2002
- Whitestone Property Services (Southern) Ltd2019
- Wooden Wonders Carpentry Limited2024
- A K Automation and Control Limited2002
All building finishing companies in Portsmouth · All trades in Portsmouth · Finishing trades across the UK
Frequently asked questions
When are TSC Maintenance Services Ltd's accounts due?
TSC Maintenance Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is TSC Maintenance Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is TSC Maintenance Services Ltd still trading?
TSC Maintenance Services 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 TSC Maintenance Services Ltd do?
TSC Maintenance Services Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999); General cleaning of buildings (SIC 81210); Other business support service activities n.e.c. (SIC 82990).
How old is TSC Maintenance Services Ltd?
TSC Maintenance Services Ltd was incorporated on 9 August 2024, 2 years ago.
What is the penalty if TSC Maintenance Services 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 TSC Maintenance Services 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.