- Companies
- Plumbers and heating engineers
- Hamilton
- Circulair Ltd
Company profile · Plumbers and heating engineers
Circulair Ltd
Circulair Ltd is a 7-year-old private limited company registered in Hamilton, company number SC613993, one of 57 plumbing and heating companies in Hamilton. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 30 November 2025, as filed at Companies House.
Circulair 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 £421 (-0.8%) on the year before, to £53K.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £163K against £105K owed within a year: 1.6 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £53K | £1,458 | £163K | £105K | 4 |
| 30 Nov 2024 | £53K | £12K | £167K | £98K | 4 |
| 30 Nov 2023 | £68K | £18K | £146K | £69K | 4 |
| 30 Nov 2022 | £89K | £19K | £187K | £81K | 5 |
| 30 Nov 2021 | £92K | £14K | £157K | £82K | 4 |
| 30 Nov 2020 | -£63K | £0 | -£2,980 | £71K | 0 |
| 30 Nov 2019 | £26K | £12K | £44K | £30K | 4 |
Where Circulair Ltd is registered
The registered office is in Hamilton (ML3), in the South Lanarkshire local authority area, Scotland. Show ML3 6JT 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
73 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 Circulair 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- SC613993
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 November 2018 (7 years ago)
- Registered office
- 4D Auchingramont Road, Hamilton, ML3 6JT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 18 November 2025
- Previous names
- Circulair HVAC Ltd (until 9 Apr 2021)
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.
- Cozy Heating Limited2017
- Custom Bathrooms Glasgow Limited2018
- D&O Murphy Services Ltd2025
- DMC Plumbing and Heating Co. Ltd2025
- DS Trades Contractor Ltd2021
- E.K.C. Plumbing & Heating Ltd2008
- Fairprice Installations & Multi-Trades Ltd2025
- Fairprice Plumbing and Heating Ltd2022
All plumbing and heating companies in Hamilton · All trades in Hamilton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Circulair Ltd's accounts due?
Circulair Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Circulair Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Circulair Ltd still trading?
Circulair 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 Circulair Ltd do?
Circulair Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Circulair Ltd?
Circulair Ltd was incorporated on 19 November 2018, 7 years ago.
What is the penalty if Circulair 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 Circulair Ltd on Companies House for filed documents, officers and the full history.
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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.