- Companies
- Electricians
- Dundee
- Colby Electrical Limited
Colby Electrical Limited
- Company number
- SC252935
- Incorporated
- 17 Jul 200323 years trading
- Registered office
- 37 Coupar Angus Road, Lochee, Dundee, DD2 3HX
- Nature of business
- Electrical installation
Colby Electrical Limited is a 23-year-old private limited company registered in Dundee, company number SC252935, one of 120 electrical contractors in Dundee. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £146K (+343.2%) on the year before, to £189K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £204K against £354K owed within a year: 0.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £189K | £21K | £204K | £354K | 0 |
| 31 May 2024 | £43K | £65K | £114K | £198K | 6 |
| 31 May 2023 | £15K | £54K | £92K | £134K | 7 |
| 31 May 2022 | £7,984 | £20K | £88K | £143K | 7 |
| 31 May 2021 | £133K | £34K | £208K | £158K | 7 |
| 31 May 2020 | £83K | £248K | £298K | £273K | 6 |
| 31 May 2019 | £71K | £14K | £309K | £276K | 6 |
| 31 May 2018 | £74K | £4,270 | £157K | £126K | |
| 31 May 2017 | £73K | £26K | £196K | £176K |
Public contracts won
Colby Electrical Limited has 2 public sector contract awards on record; the ones with their own published value total £183K, from 2018 to 2021. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- The Oil and Pipelines Agency2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| The Oil and Pipelines Agency | GB-London: OPA T433 OFD Campbeltown - Control Cabin, Supply & Installation | £91K | 24 Nov 2021 |
| The Oil and Pipelines Agency | GB-Loch Striven: Supply, Delivery, Installation & Commissioning of a Low Voltage Motor Control Centre | £93K | 2 Nov 2018 |
Where Colby Electrical Limited is registered
The registered office is in Dundee (DD2), in the Dundee City local authority area, Scotland. Show DD2 3HX on a map.
Other trade companies in DD2
- FB Wind Solutions LtdMachinery repair and installation
- Paragon Design & Build LtdBuilders
- Bellfield Dundee LimitedProperty developers
- Coupar Angus Trading LtdMotor traders
- The Tyre Soldier Mobile Tyre Fitting LimitedMotor traders
- Home Hops LtdCleaning companies
- Mark Pattullo Technical Services LtdBuilders
- Evagreen Cleaning LtdCleaning companies
What happens if Colby Electrical 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC252935
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2003 (23 years ago)
- Registered office
- 37 Coupar Angus Road, Lochee, Dundee, DD2 3HX
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 17 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Dundee
Other active electrical contractors registered in Dundee.
- Craigowl Electrical Ltd2022
- CW Electrics Scotland Ltd2023
- D Black Electrical Limited2006
- D.C. Lighting Services Limited1999
- Davie Electrical Services Ltd2007
- DBS Electrical Limited2011
- DD Electrical Ltd2025
- Drumsturdy Electrical Resources Limited2008
All electrical contractors in Dundee · All trades in Dundee · Electricians across the UK
Frequently asked questions
When are Colby Electrical Limited's accounts due?
Colby Electrical Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Colby Electrical Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Colby Electrical Limited still trading?
Colby Electrical 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 Colby Electrical Limited do?
Colby Electrical Limited is registered under Electrical installation (SIC 43210).
How old is Colby Electrical Limited?
Colby Electrical Limited was incorporated on 17 July 2003, 23 years ago.
Has Colby Electrical Limited won public sector contracts?
Yes. Colby Electrical Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £183K), most recently from The Oil and Pipelines Agency.
What is the penalty if Colby Electrical 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 Colby Electrical 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.