- Companies
- Electricians
- Birmingham
- 1 Sparky Ltd
1 Sparky Ltd
- Company number
- 15345934
- Incorporated
- 12 Dec 20232 years trading
- Registered office
- 56 Eastfield Road, Birmingham, B9 5UZ
- Nature of business
- Electrical installation; Other service activities n.e.c.
1 Sparky Ltd is a 2-year-old private limited company registered in Birmingham, company number 15345934, one of 555 electrical contractors in Birmingham. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 December 2024, as filed at Companies House.
Where 1 Sparky Ltd is registered
The registered office is in Birmingham (B9), in the Birmingham local authority area, West Midlands. Show B9 5UZ on a map.
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- Jap Projects UK LimitedMotor traders
- Reliable Adaptations LtdFinishing trades
- Am Global Motors LtdMotor traders
- Gem Electrical & Mechanical Repairs LtdMechanics and garages
- MS Auto Group LtdMotor traders
What happens if 1 Sparky Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2026 | £200 |
| 3 months late | 30 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 2027 | 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
- 15345934
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2023 (2 years ago)
- Registered office
- 56 Eastfield Road, Birmingham, B9 5UZ
- Nature of business
- Electrical installation (SIC 43210)
Other service activities n.e.c. (SIC 96090) - Year end
- 30 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 11 December 2025
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 Birmingham
Other active electrical contractors registered in Birmingham.
- 10G Comms Limited2015
- 1ST Call Solar Ltd2026
- 24/7 UK Electrical Services Ltd2017
- 2580 Group Ltd2019
- 3Nas Ltd2026
- 4Eightyseven Electrical Ltd2020
- 5 Stars Gas & Electric Ltd2025
- A Evans Electrical Services Ltd2025
All electrical contractors in Birmingham · All trades in Birmingham · Electricians across the UK
Frequently asked questions
When are 1 Sparky Ltd's accounts due?
1 Sparky Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is 1 Sparky Ltd's CT600 due?
The CT600 for the period to 30 December 2025 is due at HMRC by 30 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is 1 Sparky Ltd still trading?
1 Sparky Ltd is listed as active on the Companies House register (checked 12 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 1 Sparky Ltd do?
1 Sparky Ltd is registered under Electrical installation (SIC 43210); Other service activities n.e.c. (SIC 96090).
How old is 1 Sparky Ltd?
1 Sparky Ltd was incorporated on 12 December 2023, 2 years ago.
What is the penalty if 1 Sparky 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 1 Sparky Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.