- Companies
- Electricians
- Sheffield
- 11:11 Electrical & Maintenance Services Ltd
11:11 Electrical & Maintenance Services Ltd
- Company number
- 17438028
- Incorporated
- 4 Sep 2026
- Registered office
- The Old Workshop, 1 Ecclesall Road South, Sheffield, S11 9PA
- Nature of business
- Electrical installation
11:11 Electrical & Maintenance Services Ltd is a newly incorporated private limited company registered in Sheffield, company number 17438028, one of 327 electrical contractors in Sheffield. Its next accounts are due at Companies House on 4 June 2028, and its first CT600 is due at HMRC on 3 September 2028.
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 11:11 Electrical & Maintenance Services Ltd is registered
The registered office is in Sheffield (S11), in the Sheffield local authority area, Yorkshire and The Humber. Show S11 9PA on a map.
Other trade companies in S11
- Annily Property Services LtdFacilities management
- Hause Detailing LimitedMechanics and garages
- Rain Safe Roofing LimitedRoofers
- P Valeria Construction LimitedJoiners and carpenters
- H Estate Development LtdProperty developers
- Mog3Wheeler LtdMotor traders
- The MG & Triumph Parts Company LtdMotor traders
- Fleet Taxi Cars LtdMechanics and garages
Shared registered office
67 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 11:11 Electrical & Maintenance 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 4 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Jun 2028 to 4 Jul 2028 | £150 |
| 1 to 3 months late | 5 Jul 2028 to 4 Sep 2028 | £375 |
| 3 to 6 months late | 5 Sep 2028 to 4 Dec 2028 | £750 |
| More than 6 months late | From 5 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2029 | 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
- 17438028
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2026
- Registered office
- The Old Workshop, 1 Ecclesall Road South, Sheffield, S11 9PA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sheffield
Other active electrical contractors registered in Sheffield.
- 21856MPG Ltd2022
- 797 Electrical Ltd2025
- A C K Electrical Services Ltd2012
- A W Electrics (Sheffield) Limited2011
- A. Pattison Contractors Ltd2010
- Ab Electrical Install Ltd2023
- Abel Electrical Services Ltd2023
- Abm Electrical Services Yorkshire Ltd2025
All electrical contractors in Sheffield · All trades in Sheffield · Electricians across the UK
Frequently asked questions
When are 11:11 Electrical & Maintenance Services Ltd's accounts due?
11:11 Electrical & Maintenance Services Ltd's next accounts are due at Companies House by 4 June 2028 (in 600 days), covering the period to 30 September 2027.
When is 11:11 Electrical & Maintenance Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 September 2027, due by 3 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is 11:11 Electrical & Maintenance Services Ltd still trading?
11:11 Electrical & Maintenance 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 11:11 Electrical & Maintenance Services Ltd do?
11:11 Electrical & Maintenance Services Ltd is registered under Electrical installation (SIC 43210).
How old is 11:11 Electrical & Maintenance Services Ltd?
11:11 Electrical & Maintenance Services Ltd was incorporated on 4 September 2026, less than a year ago.
What is the penalty if 11:11 Electrical & Maintenance 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 11:11 Electrical & Maintenance 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.