- Companies
- Electricians
- Sidcup
- JMB Contractors Limited
JMB Contractors Limited
- Company number
- 06347223
- Incorporated
- 20 Aug 200719 years trading
- Registered office
- 63 Birchwood Avenue, Sidcup, Kent, DA14 4JZ
- Nature of business
- Electrical installation
JMB Contractors Limited is a 19-year-old private limited company registered in Sidcup, company number 06347223, one of 178 electrical contractors in Sidcup. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 JMB Contractors LimitedOr 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 up £5,828 (+9.2%) on the year before, to £69K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £73K against £3,388 owed within a year: more than 10 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £69K | £9,204 | £73K | £3,388 | 1 |
| 30 Sep 2024 | £63K | £5,747 | £69K | £5,759 | 1 |
| 30 Sep 2023 | £61K | £3,146 | £67K | £5,896 | 1 |
| 30 Sep 2022 | £63K | £2,747 | £66K | £3,266 | 1 |
| 30 Sep 2021 | £63K | £3,579 | £67K | £4,229 | 1 |
| 30 Sep 2020 | £63K | £3,810 | £67K | £4,576 | 1 |
| 30 Sep 2019 | £198K | £6,299 | £70K | £11K | |
| 30 Sep 2018 | £201K | £3,082 | £71K | £9,151 | 1 |
| 30 Sep 2017 | £202K | £32 | £69K | £6,679 | 1 |
| 30 Sep 2016 | £205K | £1,761 | £71K | £4,457 |
Where JMB Contractors Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 4JZ on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Also registered at this address
1 other company uses the same registered office as JMB Contractors Limited.
- Susan Clark Interiors LimitedProperty developers
What happens if JMB Contractors 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06347223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2007 (19 years ago)
- Registered office
- 63 Birchwood Avenue, Sidcup, Kent, DA14 4JZ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 23 August 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 Sidcup
Other active electrical contractors registered in Sidcup.
- JMR Contracting Services Ltd2018
- K R Electrical Installations Limited2022
- KLM Electrical Services Ltd2009
- Koho Kiva Ltd2014
- L Tindell Electrical Limited2024
- LB4 Control System Limited2023
- LD Services Ltd2015
- Libra Construction Services Limited1997
All electrical contractors in Sidcup · All trades in Sidcup · Electricians across the UK
Frequently asked questions
When are JMB Contractors Limited's accounts due?
JMB Contractors Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is JMB Contractors Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is JMB Contractors Limited still trading?
JMB Contractors 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 JMB Contractors Limited do?
JMB Contractors Limited is registered under Electrical installation (SIC 43210).
How old is JMB Contractors Limited?
JMB Contractors Limited was incorporated on 20 August 2007, 19 years ago.
What is the penalty if JMB Contractors 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 JMB Contractors 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.