- Companies
- Electricians
- Stockton-on-Tees
- Mantle Engineering Services Ltd
Company profile · Electricians
Mantle Engineering Services Ltd
Mantle Engineering Services Ltd is a 3-year-old private limited company registered in Stockton-on-Tees, company number 15106035, one of 121 electrical contractors in Stockton-on-Tees. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Mantle Engineering Services LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Mantle Engineering Services 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 up £12K (+79.8%) on the year before, to £28K.
- Current assets of £57K against £30K owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £28K | £43K | £57K | £30K | 1 |
| 31 Aug 2024 | £16K | £23K | £23K | £7,725 | 1 |
Where Mantle Engineering Services Ltd is registered
The registered office is in Stockton-on-Tees (TS18), in the Stockton-on-Tees local authority area, North East. Show TS18 3QT on a map.
Other trade companies in TS18
- Teesside Renewables LtdElectricians
- Hartburn Building LtdBuilders
- Priory Landscaping & Driveways LtdLandscapers and gardeners
- Roseberry Access LtdSpecialist contractors
- 786 Fone Repairs LtdRepair services
- Mitchell26T LtdMachinery repair and installation
- Ajb Builders LtdBuilders
- Bespoke Contracts LimitedInstallers
What happens if Mantle Engineering Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15106035
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 August 2023 (3 years ago)
- Registered office
- 10 Dorado Close, Stockton-on-Tees, TS18 3QT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 29 August 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 Stockton-on-Tees
Other active electrical contractors registered in Stockton-on-Tees.
- Mark William Cowen Ltd2011
- Marshall Clean Heat and Power Ltd2008
- Marton Electrical Limited1999
- McJe Electrical Ltd2026
- Metlec Ltd2026
- MLD High Voltage Power Services Ltd2025
- MNP (Electrical Services) Limited2002
- Murray Mill Ltd2018
All electrical contractors in Stockton-on-Tees · All trades in Stockton-on-Tees · Electricians across the UK
Frequently asked questions
When are Mantle Engineering Services Ltd's accounts due?
Mantle Engineering Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Mantle Engineering Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Mantle Engineering Services Ltd still trading?
Mantle Engineering Services 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 Mantle Engineering Services Ltd do?
Mantle Engineering Services Ltd is registered under Electrical installation (SIC 43210).
How old is Mantle Engineering Services Ltd?
Mantle Engineering Services Ltd was incorporated on 30 August 2023, 3 years ago.
What is the penalty if Mantle Engineering Services 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 Mantle Engineering Services 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.