- Companies
- Civil engineering
- Brentwood
- KGK Construction Support Services Ltd
KGK Construction Support Services Ltd
- Company number
- 06372700
- Incorporated
- 17 Sep 200719 years trading
- Registered office
- 18 South Weald Road, Brentwood, CM14 4QZ
- Nature of business
- Construction of bridges and tunnels; Other activities of employment placement agencies
KGK Construction Support Services Ltd is a 19-year-old private limited company registered in Brentwood, company number 06372700, one of 39 civil engineering contractors in Brentwood. 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.
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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 £71K (+5.2%) on the year before, to £1.4M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £619K against £204K owed within a year: 3.0 times cover.
- 4 employees on average, up from 2 the year before.
- 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 | £1.4M | £618K | £619K | £204K | 4 |
| 30 Sep 2024 | £1.4M | £575K | £620K | £308K | 2 |
| 30 Sep 2023 | £1.3M | £619K | £636K | £383K | 4 |
| 30 Sep 2022 | £1.1M | £283K | £342K | £182K | 4 |
| 30 Sep 2021 | £1.1M | £252K | £291K | £154K | 4 |
| 30 Sep 2020 | £1.1M | £270K | £281K | £111K | 4 |
| 30 Sep 2019 | £1.1M | £335K | £378K | £254K | 4 |
| 30 Sep 2018 | £1.1M | £1.2M | £1.4M | £311K | 3 |
| 30 Sep 2017 | £921K | £1.1M | £1.1M | £272K | |
| 30 Sep 2016 | £644K | £581K | £936K | £364K |
Where KGK Construction Support Services Ltd is registered
The registered office is in Brentwood (CM14), in the Brentwood local authority area, East of England. Show CM14 4QZ on a map.
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- Glan Project Services LtdCleaning companies
- Honeybee Design and Interiors LtdInstallers
- Essex Tyres and MOT LimitedMechanics and garages
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- Elite Roofing & Property Care LtdRoofers
Also registered at this address
1 other company uses the same registered office as KGK Construction Support Services Ltd.
- KGK Contractors LtdCivil engineering
What happens if KGK Construction Support Services 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 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
- 06372700
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2007 (19 years ago)
- Registered office
- 18 South Weald Road, Brentwood, CM14 4QZ
- Nature of business
- Construction of bridges and tunnels (SIC 42130)
Other activities of employment placement agencies (SIC 78109) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 17 January 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Brentwood
Other active civil engineering contractors registered in Brentwood.
- KGK Contractors Ltd2016
- Lucking Utility Services Limited2017
- MF Fibre Ltd2023
- Mike Roberts Ltd2024
- MJ Deed Installations Ltd2019
- Oxfordshire Commercials Ltd2023
- Pandamia Ltd2022
- Progrid Limited2021
All civil engineering contractors in Brentwood · All trades in Brentwood · Civil engineering across the UK
Frequently asked questions
When are KGK Construction Support Services Ltd's accounts due?
KGK Construction Support Services Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is KGK Construction Support Services Ltd'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 KGK Construction Support Services Ltd still trading?
KGK Construction Support Services 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 KGK Construction Support Services Ltd do?
KGK Construction Support Services Ltd is registered under Construction of bridges and tunnels (SIC 42130); Other activities of employment placement agencies (SIC 78109).
How old is KGK Construction Support Services Ltd?
KGK Construction Support Services Ltd was incorporated on 17 September 2007, 19 years ago.
What is the penalty if KGK Construction Support Services 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 KGK Construction Support Services 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.