- Companies
- Electricians
- Northampton
- Rainbow Electrical Contracting Limited
Rainbow Electrical Contracting Limited
- Company number
- 01299230
- Incorporated
- 18 Feb 197749 years trading
- Registered office
- Artisans House, 7 Queensbridge, Northampton, Northamptonshire, NN4 7BF
- Nature of business
- Electrical installation
Rainbow Electrical Contracting Limited is a 49-year-old private limited company registered in Northampton, company number 01299230, one of 214 electrical contractors in Northampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £2,170 (+6%) on the year before, to £38K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £310K against £279K owed within a year: 1.1 times cover.
- 3 employees on average during the year.
- 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 Mar 2025 | £38K | £0 | £310K | £279K | 3 |
| 31 Mar 2024 | £36K | £48K | £298K | £252K | 3 |
| 31 Mar 2023 | £31K | £8,989 | £236K | £185K | 4 |
| 31 Mar 2022 | £24K | £31K | £196K | £143K | 5 |
| 31 Mar 2021 | £5,854 | £84K | £292K | £250K | 5 |
| 31 Mar 2020 | £4,774 | £25K | £248K | £249K | 5 |
| 31 Mar 2019 | £1,597 | £4,948 | £341K | £348K | 5 |
| 31 Mar 2018 | £70K | £34K | £336K | £284K | 6 |
| 31 Mar 2017 | £216K | £85K | £477K | £284K | 12 |
| 31 Mar 2016 | £310K | £189K | £560K | £282K |
Where Rainbow Electrical Contracting Limited is registered
The registered office is in Northampton (NN4), in the West Northamptonshire local authority area, East Midlands. Show NN4 7BF on a map.
Other trade companies in NN4
- Marks Performance LtdMotor traders
- Midlands Lifting Services LtdSpecialist contractors
- Collingtree Group LtdBuilders
- Lab Electrical Solutions LtdElectricians
- BM Automotive Group LtdMechanics and garages
- Keenan Rentals LtdProperty developers
- Collingtree Cool LtdPlumbers and heating engineers
- Je Brickwork LtdBuilders
Also registered at this address
15 other companies use the same registered office as Rainbow Electrical Contracting Limited.
- A. J Components LtdMotor traders
- Focuspace LimitedElectricians
- G. Draper (Developments) LimitedBuilders
- Hayeswood Landscapes LimitedLandscapers and gardeners
- Ican Business Systems LimitedMachinery repair and installation
- K. & N. Waite Construction LimitedCivil engineering
- Keystone Roofing & Facades LimitedRoofers
- Martin King Construction LimitedProperty developers
- Pytchley Estates LimitedProperty developers
- S.P. Marks Services Ltd.Plumbers and heating engineers
- Shire Glass Northampton LimitedGlaziers
- Sona Construction LimitedCivil engineering
- Victoria Crest Estates LimitedProperty developers
- Welland Construction Co. LimitedBuilders
- Whitehouse Bricklaying Contractors LimitedFinishing trades
What happens if Rainbow Electrical Contracting 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 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
- 01299230
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 1977 (49 years ago)
- Registered office
- Artisans House, 7 Queensbridge, Northampton, Northamptonshire, NN4 7BF
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 July 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
- Previous names
- Rainbow Electrical & Security Systems Limited (until 18 Dec 2024)
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 Northampton
Other active electrical contractors registered in Northampton.
- RC Plumbing&Electrical Ltd2026
- Renewable Research and Development Limited2018
- Rhodes Roofing & Energy Solutions Limited2023
- Rich Faulkner Electrical Ltd2022
- RJ Electrical (Essex) Limited2021
- Rovell Electrical Ltd2018
- S Burton Limited2007
- S Reynolds Electrical Contractors Ltd2025
All electrical contractors in Northampton · All trades in Northampton · Electricians across the UK
Frequently asked questions
When are Rainbow Electrical Contracting Limited's accounts due?
Rainbow Electrical Contracting Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Rainbow Electrical Contracting Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Rainbow Electrical Contracting Limited still trading?
Rainbow Electrical Contracting 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 Rainbow Electrical Contracting Limited do?
Rainbow Electrical Contracting Limited is registered under Electrical installation (SIC 43210).
How old is Rainbow Electrical Contracting Limited?
Rainbow Electrical Contracting Limited was incorporated on 18 February 1977, 49 years ago.
What is the penalty if Rainbow Electrical Contracting 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 Rainbow Electrical Contracting 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.