- Companies
- Finishing trades
- Southampton
- SMS Building Limited
SMS Building Limited
- Company number
- 17402729
- Incorporated
- 16 Aug 2026
- Registered office
- Flat 139 Wyndham Court, Commercial Road, Southampton, SO15 1GU
- Nature of business
- Other building completion and finishing
SMS Building Limited is a newly incorporated private limited company registered in Southampton, company number 17402729, one of 181 building finishing companies in Southampton. Its next accounts are due at Companies House on 16 May 2028, and its first CT600 is due at HMRC on 15 August 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 SMS Building Limited is registered
The registered office is in Southampton (SO15), in the Southampton local authority area, South East. Show SO15 1GU on a map.
Other trade companies in SO15
- Enginetek Marine LimitedMachinery repair and installation
- The DPF Guy LtdMechanics and garages
- Redbridge Accident Repair LtdMechanics and garages
- Mahakali Engineer Services LtdMachinery repair and installation
- Genuinecarpartsuk LtdMotor traders
- MK Cars & Parts LtdMotor traders
- Sonridge Building Group LtdCivil engineering
- Hedge End Development Group LtdProperty developers
What happens if SMS Building Limited 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 16 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 May 2028 to 16 Jun 2028 | £150 |
| 1 to 3 months late | 17 Jun 2028 to 16 Aug 2028 | £375 |
| 3 to 6 months late | 17 Aug 2028 to 16 Nov 2028 | £750 |
| More than 6 months late | From 17 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17402729
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2026
- Registered office
- Flat 139 Wyndham Court, Commercial Road, Southampton, SO15 1GU
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Southampton
Other active building finishing companies registered in Southampton.
- Solent Formwork Limited2007
- Solent Pro Builders Ltd2025
- Spec Lucas Limited2019
- Spitfire Ceilings Limited2013
- Stockwell Kitchens & Bathrooms Ltd2021
- Stoneline Paving and Roofing Ltd2025
- Supreme UK Group Limited2020
- Symonds Property & Build Ltd2015
All building finishing companies in Southampton · All trades in Southampton · Finishing trades across the UK
Frequently asked questions
When are SMS Building Limited's accounts due?
SMS Building Limited's next accounts are due at Companies House by 16 May 2028 (in 582 days), covering the period to 31 August 2027.
When is SMS Building Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 15 August 2027, due by 15 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SMS Building Limited still trading?
SMS Building Limited 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 SMS Building Limited do?
SMS Building Limited is registered under Other building completion and finishing (SIC 43390).
How old is SMS Building Limited?
SMS Building Limited was incorporated on 16 August 2026, less than a year ago.
What is the penalty if SMS Building Limited 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 SMS Building Limited 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.