- Companies
- Specialist contractors
- Walsall
- Rso Maintenance Ltd
Rso Maintenance Ltd
- Company number
- 15557066
- Incorporated
- 12 Mar 20242 years trading
- Registered office
- 28-29 Caldmore Green, Walsall, WS1 3RN
- Nature of business
- Other specialised construction activities n.e.c.
Rso Maintenance Ltd is a 2-year-old private limited company registered in Walsall, company number 15557066, one of 80 specialist construction companies in Walsall. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 March 2025, as filed at Companies House.
Where Rso Maintenance Ltd is registered
The registered office is in Walsall (WS1), in the Walsall local authority area, West Midlands. Show WS1 3RN on a map.
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What happens if Rso 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15557066
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2024 (2 years ago)
- Registered office
- 28-29 Caldmore Green, Walsall, WS1 3RN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 March 2026
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 Walsall
Other active specialist construction companies registered in Walsall.
- Scaffold Verify Ltd2026
- Shoc Consultancy Ltd2013
- Shotblast & Coatings Ltd2024
- Sos Scaffolding Limited2008
- SPT Building Services Limited2002
- T2B Building and Landscaping Limited2022
- TBW Ltd2023
- Total Plan Ltd2010
All specialist construction companies in Walsall · All trades in Walsall · Specialist contractors across the UK
Frequently asked questions
When are Rso Maintenance Ltd's accounts due?
Rso Maintenance Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Rso Maintenance Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Rso Maintenance Ltd still trading?
Rso 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 Rso Maintenance Ltd do?
Rso Maintenance Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Rso Maintenance Ltd?
Rso Maintenance Ltd was incorporated on 12 March 2024, 2 years ago.
What is the penalty if Rso 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 Rso 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.