- Companies
- Electricians
- Doncaster
- Tmguk Limited
Tmguk Limited
- Company number
- 15705861
- Incorporated
- 7 May 20242 years trading
- Registered office
- Sidings House Sidings Court, Lakeside, Doncaster, South Yorkshire, DN4 5NU
- Nature of business
- Electrical installation; Joinery installation
Tmguk Limited is a 2-year-old private limited company registered in Doncaster, company number 15705861, one of 215 electrical contractors in Doncaster. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 May 2025, as filed at Companies House.
Where Tmguk Limited is registered
The registered office is in Doncaster (DN4), in the Doncaster local authority area, Yorkshire and The Humber. Show DN4 5NU on a map.
Other trade companies in DN4
- Krishtal Cleaning LtdCleaning companies
- Regional Services & Maintenance LtdElectricians
- Kristan Carr E&M LimitedElectricians
- Brookes Home and Heating LtdBuilders
- 1ST Ground Construction Management Services LtdProperty developers
- Speedy Transport Doncaster LtdMechanics and garages
- Team Clean Group Commercial LtdCleaning companies
- Veridian Guard LtdInstallers
Shared registered office
38 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 Tmguk 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 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
- 15705861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2024 (2 years ago)
- Registered office
- Sidings House Sidings Court, Lakeside, Doncaster, South Yorkshire, DN4 5NU
- Nature of business
- Electrical installation (SIC 43210)
Joinery installation (SIC 43320) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 6 May 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Doncaster
Other active electrical contractors registered in Doncaster.
- Total Fix Services Ltd2026
- Total Trades Management Ltd2016
- TSF Electrical (Dearne Valley) Ltd2024
- UK Energi Ltd2022
- Velstra Limited2015
- Volt Electrical Ltd2019
- Voltec Electrical & Security Limited2018
- Wetherby Electrical Contractors Limited1983
All electrical contractors in Doncaster · All trades in Doncaster · Electricians across the UK
Frequently asked questions
When are Tmguk Limited's accounts due?
Tmguk Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Tmguk Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Tmguk Limited still trading?
Tmguk 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 Tmguk Limited do?
Tmguk Limited is registered under Electrical installation (SIC 43210); Joinery installation (SIC 43320).
How old is Tmguk Limited?
Tmguk Limited was incorporated on 7 May 2024, 2 years ago.
What is the penalty if Tmguk 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 Tmguk 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.