- Companies
- Electricians
- Coventry
- Sean Mac Installations Ltd
Sean Mac Installations Ltd
- Company number
- 08722797
- Incorporated
- 8 Oct 201313 years trading
- Registered office
- 5 Albany Road, Coventry, CV5 6JQ
- Nature of business
- Electrical installation
Sean Mac Installations Ltd is a 13-year-old private limited company registered in Coventry, company number 08722797, one of 189 electrical contractors in Coventry. Its next accounts are due at Companies House on 29 September 2027, and the CT600 for the period to 29 December 2026 is due at HMRC on 29 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
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 unchanged on the year before, at £18K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £3,061 against £20K owed within a year: 0.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £18K | £3,061 | £20K | 0 | |
| 31 Dec 2024 | £18K | £3,061 | £20K | 1 | |
| 31 Dec 2023 | £23K | £2,394 | £23K | 1 | |
| 31 Dec 2022 | £37K | £13K | £23K | 1 | |
| 31 Dec 2021 | £44K | £19K | £23K | 1 | |
| 31 Dec 2020 | £53K | £28K | £23K | 1 | |
| 31 Dec 2019 | £38K | £52K | 1 | ||
| 31 Dec 2018 | £20K | £19K | £7,387 | ||
| 31 Dec 2017 | £8,600 | £125 | £754 | ||
| 31 Dec 2016 | £14K | £1,298 | £0 |
Where Sean Mac Installations Ltd is registered
The registered office is in Coventry (CV5), in the Coventry local authority area, West Midlands. Show CV5 6JQ on a map.
Other trade companies in CV5
- Fastlane Tyre Fit LtdMechanics and garages
- Kenilworth Lodge Developments LimitedProperty developers
- Sixty One Grand Drive LtdProperty developers
- SMC Plant & Construction LimitedCivil engineering
- Go Fast Services LtdMechanics and garages
- Zarmani Automotive LtdMotor traders
- Climate Change Ac LtdPlumbers and heating engineers
- Cove Magna Property Management LtdProperty developers
Also registered at this address
20 other companies use the same registered office as Sean Mac Installations Ltd.
- A K Tyres Coventry LtdMotor traders
- A1 Brickwork (Wolverhampton) LimitedBuilders
- Auto Gearbox and Clutches LtdMechanics and garages
- City Car Centre LimitedMotor traders
- Climate Change Ac LtdPlumbers and heating engineers
- German Power Cov LtdMechanics and garages
- Goldline Logistics LimitedMotor traders
- Hallat Construction LtdProperty developers
- LCMP Projects LimitedProperty developers
- Leamington Construction LimitedProperty developers
- Mobile Valeting and Cleaning 247 LtdCleaning companies
- PB13 Gill Builder LtdBuilders
- Plumb Solutions Coventry LtdPlumbers and heating engineers
- Quality Builders LimitedBuilders
- Safe Hmo Construction LtdBuilders
- Shardra Homes LtdBuilders
- Silverline Logistics LimitedMotor traders
- Speak Easy Construction LtdRoofers
- Top Gear Motors (Coventry) LimitedMotor traders
- Wand Experience LimitedSpecialist contractors
What happens if Sean Mac Installations 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 29 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Sep 2027 to 29 Oct 2027 | £150 |
| 1 to 3 months late | 30 Oct 2027 to 29 Dec 2027 | £375 |
| 3 to 6 months late | 30 Dec 2027 to 29 Mar 2028 | £750 |
| More than 6 months late | From 30 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Dec 2027 | £200 |
| 3 months late | 29 Mar 2028 | another £200 |
| 6 months late | 29 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Dec 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
- 08722797
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 October 2013 (13 years ago)
- Registered office
- 5 Albany Road, Coventry, CV5 6JQ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 8 October 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 Coventry
Other active electrical contractors registered in Coventry.
- Shaw Fire Limited2008
- Sherriff Electrical Ltd2019
- Smartsync Ltd2023
- Solnex Ltd2026
- Sornione Ltd2026
- Sparkontrol Limited2023
- Star Heating and Electrical Limited2024
- Steve Delph Electrical Contractor (U.K) Limited2015
All electrical contractors in Coventry · All trades in Coventry · Electricians across the UK
Frequently asked questions
When are Sean Mac Installations Ltd's accounts due?
Sean Mac Installations Ltd's next accounts are due at Companies House by 29 September 2027 (in 352 days), covering the period to 29 December 2026.
When is Sean Mac Installations Ltd's CT600 due?
The CT600 for the period to 29 December 2026 is due at HMRC by 29 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 September 2027.
Is Sean Mac Installations Ltd still trading?
Sean Mac Installations 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 Sean Mac Installations Ltd do?
Sean Mac Installations Ltd is registered under Electrical installation (SIC 43210).
How old is Sean Mac Installations Ltd?
Sean Mac Installations Ltd was incorporated on 8 October 2013, 13 years ago.
What is the penalty if Sean Mac Installations 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 Sean Mac Installations 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.