- Companies
- Electricians
- Isle of Arran
- JDK Maintenance Ltd
JDK Maintenance Ltd
- Company number
- SC612674
- Incorporated
- 5 Nov 20187 years trading
- Registered office
- Elder Cottage, Lochranza, Isle of Arran, KA27 8HL
- Nature of business
- Electrical installation
JDK Maintenance Ltd is a 7-year-old private limited company registered in Isle of Arran, company number SC612674, one of the UK's electrical contractors. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for JDK Maintenance LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £7,166 on the year before, to -£6,978.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £3,392 against £10K owed within a year: 0.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£6,978 | £3,392 | £10K | 0 | |
| 30 Nov 2024 | £188 | £4,259 | £4,070 | 0 | |
| 30 Nov 2023 | £869 | £4,540 | £3,670 | 0 | |
| 30 Nov 2022 | £954 | £4,625 | £3,670 | 0 | |
| 30 Nov 2021 | -£545 | £3,442 | £3,987 | 1 | |
| 30 Nov 2020 | £590 | £4,314 | £3,724 | 1 | |
| 30 Nov 2019 | £2,399 | £6,123 | £3,724 | 1 |
Where JDK Maintenance Ltd is registered
The registered office is in Isle of Arran (KA27), in the North Ayrshire local authority area, Scotland. Show KA27 8HL on a map.
Other trade companies in KA27
- Proclean Arran LtdCleaning companies
- Lamlash Garage Arran LtdMechanics and garages
- Clydeside Electrics LtdElectricians
- Tef Joinery LtdJoiners and carpenters
- Nasco Home Improvements LtdInstallers
- WKS Construction LtdProperty developers
- R. Sloss Plumbing & Heating Arran LtdPlumbers and heating engineers
- Don-Craig Grant LimitedSpecialist contractors
What happens if JDK Maintenance 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- SC612674
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2018 (7 years ago)
- Registered office
- Elder Cottage, Lochranza, Isle of Arran, KA27 8HL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 13 November 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 Isle of Arran
Other active electrical contractors registered in Isle of Arran.
All electrical contractors in Isle of Arran · All trades in Isle of Arran · Electricians across the UK
Frequently asked questions
When are JDK Maintenance Ltd's accounts due?
JDK Maintenance Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is JDK Maintenance Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is JDK Maintenance Ltd still trading?
JDK Maintenance 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 JDK Maintenance Ltd do?
JDK Maintenance Ltd is registered under Electrical installation (SIC 43210).
How old is JDK Maintenance Ltd?
JDK Maintenance Ltd was incorporated on 5 November 2018, 7 years ago.
What is the penalty if JDK Maintenance 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 JDK Maintenance 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.