- Companies
- Plumbers and heating engineers
- Guildford
- DMS Mechanical Limited
DMS Mechanical Limited
- Company number
- 16429006
- Incorporated
- 5 May 20251 year trading
- Registered office
- 25 Gloucester Road, Guildford, GU2 9TG
- Nature of business
- Plumbing, heat and air-conditioning installation; Wholesale of hardware, plumbing and heating equipment and supplies
DMS Mechanical Limited is a 1-year-old private limited company registered in Guildford, company number 16429006, one of 63 plumbing and heating companies in Guildford. Its next accounts are due at Companies House on 5 February 2027, and its first CT600 is due at HMRC on 4 May 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where DMS Mechanical Limited is registered
The registered office is in Guildford (GU2), in the Guildford local authority area, South East. Show GU2 9TG on a map.
Other trade companies in GU2
- Surrey and Sussex Paving and Landscaping LtdCivil engineering
- Ykr LtdFinishing trades
- McLeaning Company LtdCleaning companies
- BC Plastering (Surrey) LtdPlasterers
- Dust to Diamonds LtdCleaning companies
- Oriolus Developments LtdProperty developers
- Ri Collison LimitedMachinery repair and installation
- Apex Climate Group LtdElectricians
What happens if DMS Mechanical 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 5 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Feb 2027 to 5 Mar 2027 | £150 |
| 1 to 3 months late | 6 Mar 2027 to 5 May 2027 | £375 |
| 3 to 6 months late | 6 May 2027 to 5 Aug 2027 | £750 |
| More than 6 months late | From 6 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16429006
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 May 2025 (1 year ago)
- Registered office
- 25 Gloucester Road, Guildford, GU2 9TG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 September 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 Guildford
Other active plumbing and heating companies registered in Guildford.
- Elite Aircon Installations Ltd2023
- Eqo Energy Ltd2025
- Fka Plumbing & Heating Ltd2021
- Fortress Plumbing & Heating Limited2023
- Glenridge Ltd2025
- GSG Surrey Ltd2017
- Guildford Heating Solutions Ltd2011
- Haslemere Plumbing and Heating Services Ltd2020
All plumbing and heating companies in Guildford · All trades in Guildford · Plumbers and heating engineers across the UK
Frequently asked questions
When are DMS Mechanical Limited's accounts due?
DMS Mechanical Limited's next accounts are due at Companies House by 5 February 2027 (in 115 days), covering the period to 31 May 2026.
When is DMS Mechanical Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 May 2026, due by 4 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is DMS Mechanical Limited still trading?
DMS Mechanical 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 DMS Mechanical Limited do?
DMS Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).
How old is DMS Mechanical Limited?
DMS Mechanical Limited was incorporated on 5 May 2025, 1 year ago.
What is the penalty if DMS Mechanical 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 DMS Mechanical 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.