- Companies
- Electricians
- Square One Electrical Installations Ltd
Square One Electrical Installations Ltd
- Company number
- 13071693
- Incorporated
- 9 Dec 20205 years trading
- Registered office
- Seedbed Business Centre, Vanguard Way, Shoeburyness, Essex, SS3 9QY
- Nature of business
- Electrical installation
Square One Electrical Installations Ltd is a 5-year-old private limited company registered in Shoeburyness, company number 13071693, one of the UK's electrical contractors. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 down £52K (-75.3%) on the year before, to £17K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £99K against £81K owed within a year: 1.2 times cover.
- 7 employees on average, up from 6 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £17K | £99K | £81K | 7 | |
| 31 Dec 2023 | £69K | £196K | £34K | 6 | |
| 31 Dec 2022 | £180K | £259K | £47K | 3 | |
| 31 Dec 2021 | £198K | £278K | £55K | 2 |
Where Square One Electrical Installations Ltd is registered
The registered office is in Shoeburyness (SS3), in the Southend-on-Sea local authority area, East of England. Show SS3 9QY on a map.
Other trade companies in SS3
- Truck Components LtdMotor traders
- S1 Automotive Group LtdMechanics and garages
- MKF Cleaning LtdCleaning companies
- Tranquil Solutions LimitedElectricians
- Nord Air Conditioning LtdPlumbers and heating engineers
- Noco Group LtdCivil engineering
- Garrison Gardens LtdLandscapers and gardeners
- Freddaf Investments LimitedProperty developers
Also registered at this address
14 other companies use the same registered office as Square One Electrical Installations Ltd.
- As Good As New Wheel Refurbishment LtdMechanics and garages
- Ce Drylining LtdPlasterers
- Chapmans Carpentry LimitedJoiners and carpenters
- Home Lift Aftercare LtdSpecialist contractors
- L6 Carpentry LimitedJoiners and carpenters
- M Brown TM LtdGroundworks and demolition
- Mack Build (South East) LimitedFinishing trades
- Mix Max Maintenance LimitedCivil engineering
- Modern Edge Electrical LtdElectricians
- Nord Air Conditioning LtdPlumbers and heating engineers
- PG Auto Parts Group LimitedMotor traders
- S1 Automotive Group LtdMechanics and garages
- Sage Roofing and Building LtdRoofers
- Samora Fleet Vision LimitedCleaning companies
What happens if Square One Electrical 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13071693
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2020 (5 years ago)
- Registered office
- Seedbed Business Centre, Vanguard Way, Shoeburyness, Essex, SS3 9QY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 11 April 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
Other active electrical contractors.
Frequently asked questions
When are Square One Electrical Installations Ltd's accounts due?
Square One Electrical Installations Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Square One Electrical Installations 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Square One Electrical Installations Ltd still trading?
Square One Electrical 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 Square One Electrical Installations Ltd do?
Square One Electrical Installations Ltd is registered under Electrical installation (SIC 43210).
How old is Square One Electrical Installations Ltd?
Square One Electrical Installations Ltd was incorporated on 9 December 2020, 5 years ago.
What is the penalty if Square One Electrical 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 Square One Electrical 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.