- Companies
- Plumbers and heating engineers
- Harrogate
- Dmac Group Limited
Dmac Group Limited
- Company number
- 13016382
- Incorporated
- 13 Nov 20205 years trading
- Registered office
- 3 Sceptre House Hornbeam Square North, Hornbeam Park, Harrogate, North Yorkshire, HG2 8PB
- Nature of business
- Plumbing, heat and air-conditioning installation
Dmac Group Limited is a 5-year-old private limited company registered in Harrogate, company number 13016382, one of 47 plumbing and heating companies in Harrogate. 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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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 £3,784 (+2.5%) on the year before, to £157K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £228K against £119K owed within a year: 1.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £157K | £228K | £119K | 2 | |
| 30 Nov 2024 | £153K | £184K | £102K | 2 | |
| 30 Nov 2023 | £122K | £154K | £62K | 1 | |
| 30 Nov 2022 | £100K | £124K | 1 | ||
| 30 Nov 2021 | £91K | £104K | £50K | 2 |
Where Dmac Group Limited is registered
The registered office is in Harrogate (HG2), in the North Yorkshire local authority area, Yorkshire and The Humber. Show HG2 8PB on a map.
Other trade companies in HG2
- Boss Scaffolding Yorkshire LimitedScaffolders
- Mike Barnes Decorating LtdPainters and decorators
- Thunder Scenic Solutions LtdJoiners and carpenters
- Feather and Shine LimitedCleaning companies
- Samson Developments LimitedProperty developers
- HL Garden Services LimitedLandscapers and gardeners
- Waveform Repairs LtdMachinery repair and installation
- The Northern Fireplace Company LtdInstallers
Also registered at this address
7 other companies use the same registered office as Dmac Group Limited.
- Brian Goddard Construction LimitedBuilders
- Car Import Solutions LimitedMotor traders
- HG Gas and Landlord Services LtdPlumbers and heating engineers
- JFP Estates LimitedFinishing trades
- Kelder Development LimitedProperty developers
- Samson Construction (Harrogate) LimitedBuilders
- Samson Developments LimitedProperty developers
What happens if Dmac Group Limited 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
- 13016382
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2020 (5 years ago)
- Registered office
- 3 Sceptre House Hornbeam Square North, Hornbeam Park, Harrogate, North Yorkshire, HG2 8PB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 3 November 2025
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 Harrogate
Other active plumbing and heating companies registered in Harrogate.
- F & H Smith Plumbing & Heating Ltd2014
- Gaelic Gas Ltd2025
- Harrogate Plumbing & Heating Limited2024
- HG Gas and Landlord Services Ltd2020
- HG2 Renovations Ltd2023
- J & F Wilson Plumbing & Heating Limited2009
- J.Ramsden Gas Services Limited2026
- K S R Installations Limited2006
All plumbing and heating companies in Harrogate · All trades in Harrogate · Plumbers and heating engineers across the UK
Frequently asked questions
When are Dmac Group Limited's accounts due?
Dmac Group Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Dmac Group Limited'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 Dmac Group Limited still trading?
Dmac Group Limited 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 Dmac Group Limited do?
Dmac Group Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dmac Group Limited?
Dmac Group Limited was incorporated on 13 November 2020, 5 years ago.
What is the penalty if Dmac Group Limited 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 Dmac Group Limited 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.