- Companies
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- Southampton
- Sign&Maintenance Ltd
Sign&Maintenance Ltd
- Company number
- 17289320
- Incorporated
- 20 Jun 2026
- Registered office
- Unit 5 Stanton Industrial Estate, Stanton Road, Southampton, SO15 4HU
- Nature of business
- Construction of domestic buildings
Sign&Maintenance Ltd is a newly incorporated private limited company registered in Southampton, company number 17289320, one of 491 building contractors in Southampton. Its next accounts are due at Companies House on 20 March 2028, and its first CT600 is due at HMRC on 19 June 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Sign&Maintenance Ltd is registered
The registered office is in Southampton (SO15), in the Southampton local authority area, South East. Show SO15 4HU on a map.
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- Genuinecarpartsuk LtdMotor traders
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- Sonridge Building Group LtdCivil engineering
What happens if Sign&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 20 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Mar 2028 to 20 Apr 2028 | £150 |
| 1 to 3 months late | 21 Apr 2028 to 20 Jun 2028 | £375 |
| 3 to 6 months late | 21 Jun 2028 to 20 Sep 2028 | £750 |
| More than 6 months late | From 21 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2029 | 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
- 17289320
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2026
- Registered office
- Unit 5 Stanton Industrial Estate, Stanton Road, Southampton, SO15 4HU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Southampton
Other active building contractors registered in Southampton.
- Silverwoods Construction Ltd2011
- Silverwoods South Limited2020
- Sitelines UK Limited2003
- SJ Savage Building & Property Maintenance Ltd2018
- SLK Property Solutions Ltd2018
- SM5 Developments Ltd2018
- SMH Plumbing and Heating Ltd2020
- Smolin Services Ltd2026
All building contractors in Southampton · All trades in Southampton · Builders across the UK
Frequently asked questions
When are Sign&Maintenance Ltd's accounts due?
Sign&Maintenance Ltd's next accounts are due at Companies House by 20 March 2028 (in 524 days), covering the period to 30 June 2027.
When is Sign&Maintenance Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 June 2027, due by 19 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sign&Maintenance Ltd still trading?
Sign&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 Sign&Maintenance Ltd do?
Sign&Maintenance Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Sign&Maintenance Ltd?
Sign&Maintenance Ltd was incorporated on 20 June 2026, less than a year ago.
What is the penalty if Sign&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 Sign&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.