- Companies
- Electricians
- Barking
- Sa Installation and Maintenance Limited
Sa Installation and Maintenance Limited
- Company number
- 13123641
- Incorporated
- 11 Jan 20215 years trading
- Registered office
- 160 London Road, Barking, IG11 8BB
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Sa Installation and Maintenance Limited is a 5-year-old private limited company registered in Barking, company number 13123641, one of 52 electrical contractors in Barking. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 down £32K (-58.9%) on the year before, to £22K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £14K against £85K owed within a year: 0.2 times cover.
- 11 employees on average, up from 9 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £22K | £14K | £85K | 11 | |
| 31 Jan 2024 | £54K | £21K | £22K | 9 | |
| 31 Jan 2023 | £67K | £16K | £0 | 9 | |
| 31 Jan 2022 | £7,253 | £17K | £25K | 2 |
Where Sa Installation and Maintenance Limited is registered
The registered office is in Barking (IG11), in the Barking and Dagenham local authority area, London. Show IG11 8BB on a map.
Other trade companies in IG11
- Handikeep LimitedJoiners and carpenters
- Bright2Shine LtdCleaning companies
- Fage Adviser LtdSpecialist contractors
- Slouy LtdRoofers
- MMG Corp LimitedMotor traders
- M&K Autocare LtdMechanics and garages
- Z & L Metal & Vehicle Global Trading LtdMotor traders
- Es Automotives LtdMotor traders
What happens if Sa Installation and Maintenance Limited 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13123641
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 January 2021 (5 years ago)
- Registered office
- 160 London Road, Barking, IG11 8BB
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 19 February 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 Barking
Other active electrical contractors registered in Barking.
- Samange Technical Global Resources Limited2014
- Shazco Ltd2025
- Sparky Group Ltd2025
- Spinel Contractors Limited2011
- STM Electrician Ltd2023
- Theoxx Services Limited2026
- Thermora Ltd2026
- Veltrix Electrics Ltd2025
All electrical contractors in Barking · All trades in Barking · Electricians across the UK
Frequently asked questions
When are Sa Installation and Maintenance Limited's accounts due?
Sa Installation and Maintenance Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Sa Installation and Maintenance Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Sa Installation and Maintenance Limited still trading?
Sa Installation and Maintenance Limited 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 Sa Installation and Maintenance Limited do?
Sa Installation and Maintenance Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sa Installation and Maintenance Limited?
Sa Installation and Maintenance Limited was incorporated on 11 January 2021, 5 years ago.
What is the penalty if Sa Installation and Maintenance Limited 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 Sa Installation and Maintenance Limited 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.