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- RMSS Installations Ltd
Company profile · Joiners and carpenters
RMSS Installations Ltd
RMSS Installations Ltd is a 11-year-old private limited company registered in Sheffield, company number 09647050, one of 138 joinery companies in Sheffield. 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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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
RMSS Installations Ltd over the years
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 £22K (-168.7%) on the year before, to -£35K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £78K against £107K owed within a year: 0.7 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£35K | £0 | £78K | £107K | 2 |
| 31 Aug 2024 | -£13K | £338 | £60K | £76K | 3 |
| 31 Aug 2023 | -£3,079 | £1,512 | £52K | £62K | 3 |
| 31 Aug 2022 | -£4,260 | £16 | £51K | £65K | 3 |
| 31 Aug 2021 | -£9,599 | £700 | £38K | £65K | 3 |
| 31 Aug 2020 | £572 | £995 | £20K | £17K | 5 |
| 31 Aug 2019 | £5,726 | £952 | £39K | £51K | 0 |
| 31 Aug 2018 | £5,726 | £952 | £39K | £51K | 8 |
| 30 Jun 2017 | £3,802 | £26K | £53K | £67K | 10 |
| 30 Jun 2016 | £3,523 | £1,992 | £69K | £83K |
Where RMSS Installations Ltd is registered
The registered office is in Sheffield (S25), in the Rotherham local authority area, Yorkshire and The Humber. Show S25 4EF on a map.
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What happens if RMSS Installations 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
- 09647050
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 June 2015 (11 years ago)
- Registered office
- 1 White Gate, North Anston, Sheffield, S25 4EF
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 18 June 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Sheffield
Other active joinery companies registered in Sheffield.
- Roboss Interiors Ltd2020
- Rosewood Loft Creations Ltd2011
- Russell O'Neill Limited2003
- S17 Construction Ltd2025
- Secret Joinery Limited2015
- Serious Interiors Limited2017
- SGL Window Fitters Ltd2014
- Sheaf Valley Kitchens Ltd2014
All joinery companies in Sheffield · All trades in Sheffield · Joiners and carpenters across the UK
Frequently asked questions
When are RMSS Installations Ltd's accounts due?
RMSS Installations Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is RMSS Installations 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 RMSS Installations Ltd still trading?
RMSS Installations 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 RMSS Installations Ltd do?
RMSS Installations Ltd is registered under Joinery installation (SIC 43320).
How old is RMSS Installations Ltd?
RMSS Installations Ltd was incorporated on 18 June 2015, 11 years ago.
What is the penalty if RMSS Installations 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 RMSS Installations 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.