RSSM Ltd
- Company number
- 13962780
- Incorporated
- 8 Mar 20224 years trading
- Registered office
- 24 Field Avenue, Saxilby, Lincoln, LN1 2SR
- Nature of business
- Other specialised construction activities n.e.c.; Management consultancy activities other than financial management
RSSM Ltd is a 4-year-old private limited company registered in Lincoln, company number 13962780, one of 108 specialist construction companies in Lincoln. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £50K (-161.2%) on the year before, to -£19K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £46K against £68K owed within a year: 0.7 times cover.
- 5 employees on average, up from 4 the year before.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£19K | £38K | £46K | £68K | 5 |
| 31 Mar 2025 | £31K | £24K | £56K | £32K | 4 |
| 31 Mar 2024 | £20K | £106K | £94K | 4 | |
| 31 Mar 2023 | £65K | £149K | £88K | 4 |
Where RSSM Ltd is registered
The registered office is in Lincoln (LN1), in the West Lindsey local authority area, East Midlands. Show LN1 2SR on a map.
Other trade companies in LN1
- Nuco Developments LimitedProperty developers
- Ag Home Developments LtdProperty developers
- Primore Cleaning Services LtdCleaning companies
- Wright Aviate LtdMachinery repair and installation
- Riverside Tyres LimitedMechanics and garages
- Queen Bee Pest Management LtdCleaning companies
- Rain & Root Landscaping & Construction LtdLandscapers and gardeners
- Moulds Fencing LimitedInstallers
Also registered at this address
1 other company uses the same registered office as RSSM Ltd.
- Whitecore Solutions LtdGroundworks and demolition
What happens if RSSM 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13962780
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2022 (4 years ago)
- Registered office
- 24 Field Avenue, Saxilby, Lincoln, LN1 2SR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 11 February 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Lincoln
Other active specialist construction companies registered in Lincoln.
- Rutherford Civils & Groundworks Limited2015
- S J Jakes Building Services Limited2013
- Simulatology Solutions Ltd2019
- Sleaford Ceilings Limited2011
- Specialist Surface Solutions Ltd2014
- Stoneset Resin Ltd2014
- Summit Alliance Ltd2026
- T.MCK Plastering Ltd2025
All specialist construction companies in Lincoln · All trades in Lincoln · Specialist contractors across the UK
Frequently asked questions
When are RSSM Ltd's accounts due?
RSSM Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is RSSM Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is RSSM Ltd still trading?
RSSM 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 RSSM Ltd do?
RSSM Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Management consultancy activities other than financial management (SIC 70229).
How old is RSSM Ltd?
RSSM Ltd was incorporated on 8 March 2022, 4 years ago.
What is the penalty if RSSM 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 RSSM 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.