- Companies
- Civil engineering
- Bury
- GBJ Environmental Systems (UK) Limited
GBJ Environmental Systems (UK) Limited
- Company number
- 08616075
- Incorporated
- 18 Jul 201313 years trading
- Registered office
- The Exchange, 5 Bank Street, Bury, BL9 0DN
- Nature of business
- Construction of other civil engineering projects n.e.c.
GBJ Environmental Systems (UK) Limited is a 13-year-old private limited company registered in Bury, company number 08616075, one of 40 civil engineering contractors in Bury. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £44K (+12.9%) on the year before, to £382K.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £478K against £144K owed within a year: 3.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £382K | £270K | £478K | £144K | 0 |
| 31 Jul 2024 | £338K | £202K | £448K | £174K | 14 |
| 31 Jul 2023 | £222K | £151K | £335K | £153K | 13 |
| 31 Jul 2022 | £114K | £50K | £260K | £165K | 15 |
| 31 Jul 2021 | £110K | £25K | £219K | £153K | 11 |
| 31 Jul 2020 | £75K | £123K | £209K | £151K | 7 |
Public contracts won
GBJ Environmental Systems (UK) Limited has 7 public sector contract awards on record, from 2017 to 2025. Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 4 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- The Guinness Partnership Ltd2 awards
- Procure Plus Holdings Limited2 awards
- Bolton at Home Limited1 award
- Bolton at Home1 award
- Regenda Limited1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Bolton at Home Limited | Adaptations Framework | Ceiling, not shown | 27 Nov 2025 |
| Bolton at Home | Building Works Contractor Framework | Ceiling, not shown | 12 Sep 2023 |
| Regenda Limited | M&Y Responsive Drainage 2021 | Ceiling, not shown | 5 Apr 2022 |
| The Guinness Partnership Ltd | Guinness Property Contractor Frameworks 1 - Responsive Repairs 2 - Empty Homes | Ceiling, not shown | 17 May 2021 |
| The Guinness Partnership Ltd | Sub Contractor Framework for Responsive Repairs | Ceiling, not shown | 3 Dec 2018 |
| Procure Plus Holdings Limited | Framework Agreement for Installation and Repair | Ceiling, not shown | 28 Jun 2018 |
| Procure Plus Holdings Limited | Salix Homes - Drainage and Water Management | Ceiling, not shown | 24 Oct 2017 |
Where GBJ Environmental Systems (UK) Limited is registered
The registered office is in Bury (BL9), in the Bury local authority area, North West. Show BL9 0DN on a map.
Other trade companies in BL9
- Streamline Hub UK LtdMotor traders
- Arvexa Trading LtdBuilders
- L&E Automation LtdProperty developers
- Owl Automotive Restorations LtdMechanics and garages
- Bury Auto Repair LtdMechanics and garages
- Pimhole MOT Centre LtdMechanics and garages
- Spacebubble LimitedCleaning companies
- Buckley Brothers LtdMotor traders
Shared registered office
31 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if GBJ Environmental Systems (UK) 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 08616075
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 July 2013 (13 years ago)
- Registered office
- The Exchange, 5 Bank Street, Bury, BL9 0DN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 3 August 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 Bury
Other active civil engineering contractors registered in Bury.
- John Gillespie Underground Consulting Ltd2025
- John K Project Management Ltd2025
- Kea Contracts Limited2010
- Keyconstruct Limited2023
- LCS Civils Limited2018
- Lewmach Limited2024
- LJ Motorways Ltd2020
- M C & D Construction Limited2016
All civil engineering contractors in Bury · All trades in Bury · Civil engineering across the UK
Frequently asked questions
When are GBJ Environmental Systems (UK) Limited's accounts due?
GBJ Environmental Systems (UK) Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is GBJ Environmental Systems (UK) Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is GBJ Environmental Systems (UK) Limited still trading?
GBJ Environmental Systems (UK) 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 GBJ Environmental Systems (UK) Limited do?
GBJ Environmental Systems (UK) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is GBJ Environmental Systems (UK) Limited?
GBJ Environmental Systems (UK) Limited was incorporated on 18 July 2013, 13 years ago.
Has GBJ Environmental Systems (UK) Limited won public sector contracts?
Yes. GBJ Environmental Systems (UK) Limited has 7 contract awards from public bodies on Contracts Finder and Find a Tender, most recently from Bolton at Home Limited.
What is the penalty if GBJ Environmental Systems (UK) 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 GBJ Environmental Systems (UK) 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.