R555 Ltd
- Company number
- SC812689
- Incorporated
- 5 Jun 20242 years trading
- Registered office
- 8 Douglas Street, Hamilton, Lanarkshire, ML3 0BP
- Nature of business
- Plumbing, heat and air-conditioning installation
R555 Ltd is a 2-year-old private limited company registered in Hamilton, company number SC812689, one of 57 plumbing and heating companies in Hamilton. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 up £4,474 (+35.8%) on the year before, to £17K.
- Current assets of £78K against £69K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £17K | £57K | £78K | £69K | 2 |
| 30 Jun 2025 | £13K | £53K | £58K | £52K | 2 |
Where R555 Ltd is registered
The registered office is in Hamilton (ML3), in the South Lanarkshire local authority area, Scotland. Show ML3 0BP on a map.
Other trade companies in ML3
- Horizon Joinery LtdJoiners and carpenters
- Grime Fighters Banbury LtdCleaning companies
- SM Energy Services LtdMachinery repair and installation
- Exceptional Distribution Services LtdRepair services
- Damp Solve LtdInstallers
- Ffcontracts LtdElectricians
- Rammz Paving LtdSpecialist contractors
- DLT Thistle Property Group LtdProperty developers
Shared registered office
74 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if R555 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC812689
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2024 (2 years ago)
- Registered office
- 8 Douglas Street, Hamilton, Lanarkshire, ML3 0BP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 4 June 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Hamilton
Other active plumbing and heating companies registered in Hamilton.
- Ranna Group Ltd2016
- Reheat Leicester Ltd2018
- Relight Gas Limited2026
- Safe Heat Systems Ltd2021
- Sas Contracting Ltd2026
- Smith Heating & Plumbing Limited2015
- Steven Cairns Ltd2025
- Superior Bathrooms Limited2013
All plumbing and heating companies in Hamilton · All trades in Hamilton · Plumbers and heating engineers across the UK
Frequently asked questions
When are R555 Ltd's accounts due?
R555 Ltd's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is R555 Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is R555 Ltd still trading?
R555 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 R555 Ltd do?
R555 Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is R555 Ltd?
R555 Ltd was incorporated on 5 June 2024, 2 years ago.
What is the penalty if R555 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 R555 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.