- Companies
- Property developers
- Carmarthen
- SLMN Limited
SLMN Limited
- Company number
- 07901799
- Incorporated
- 9 Jan 201214 years trading
- Registered office
- 21 Glynderi, Tanerdy, Carmarthen, SA31 2HD
- Nature of business
- Development of building projects; Information technology consultancy activities
SLMN Limited is a 14-year-old private limited company registered in Carmarthen, company number 07901799, one of 50 property development companies in Carmarthen. 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 £44K (+21.4%) on the year before, to £249K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £277K against £29K owed within a year: 9.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £249K | £277K | £29K | 1 | |
| 31 May 2024 | £205K | £234K | £31K | 1 | |
| 31 May 2023 | £169K | £192K | £24K | 1 | |
| 31 May 2022 | £145K | £173K | £29K | 1 | |
| 31 May 2021 | £125K | £151K | £28K | 1 | |
| 31 May 2020 | £104K | £132K | £31K | 1 | |
| 31 May 2019 | £85K | £114K | £28K | ||
| 31 May 2018 | £65K | £85K | £19K | ||
| 31 May 2017 | £62K | £82K | £20K | ||
| 30 May 2017 | £62K | £82K | £20K |
Where SLMN Limited is registered
The registered office is in Carmarthen (SA31), in the Carmarthenshire local authority area, Wales. Show SA31 2HD on a map.
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What happens if SLMN 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 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
- 07901799
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 2012 (14 years ago)
- Registered office
- 21 Glynderi, Tanerdy, Carmarthen, SA31 2HD
- Nature of business
- Development of building projects (SIC 41100)
Information technology consultancy activities (SIC 62020) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 9 January 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Carmarthen
Other active property development companies registered in Carmarthen.
- Terrem Limited2020
- Upland Construction (Wales) Ltd2000
- West Wales Contracting Limited2006
- West Wales Homes Limited2008
- Whitland Green Park Limited2004
- Alibuild Ltd2026
- Arbenigol Ltd2012
- Basmac Homes Limited1971
All property development companies in Carmarthen · All trades in Carmarthen · Property developers across the UK
Frequently asked questions
When are SLMN Limited's accounts due?
SLMN Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is SLMN Limited'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 SLMN Limited still trading?
SLMN 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 SLMN Limited do?
SLMN Limited is registered under Development of building projects (SIC 41100); Information technology consultancy activities (SIC 62020).
How old is SLMN Limited?
SLMN Limited was incorporated on 9 January 2012, 14 years ago.
What is the penalty if SLMN 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 SLMN 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.