- Company number
- 13246276
- Incorporated
- 5 Mar 20215 years trading
- Registered office
- 385 Penhill Drive, Swindon, SN2 5DR
- Nature of business
- Construction of domestic buildings
GJM Groundwork Ltd is a 5-year-old private limited company registered in Swindon, company number 13246276, one of 267 building contractors in Swindon. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 GJM Groundwork 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 up £72K (+127.4%) on the year before, to £129K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £4,500 against £168K owed within a year: 0.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £129K | £4,500 | £168K | 2 | |
| 31 Mar 2025 | £57K | £9,813 | £972 | 2 | |
| 31 Mar 2024 | £1 | 2 | |||
| 31 Mar 2023 | £1 | 2 | |||
| 31 Mar 2022 | £1 | 2 |
Where GJM Groundwork Ltd is registered
The registered office is in Swindon (SN2), in the Swindon local authority area, South West. Show SN2 5DR on a map.
Other trade companies in SN2
- Dna Valet LtdCleaning companies
- Momentum Drive LtdMotor traders
- Sturgess Construction LimitedBuilders
- Eatwell Telecom LtdCivil engineering
- Premium Bodyshop LtdMechanics and garages
- Stratton Windows Swindon LtdJoiners and carpenters
- Plumbtj LimitedPlumbers and heating engineers
- Apex Vehicle Body Repairs LimitedMechanics and garages
What happens if GJM Groundwork 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 13246276
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2021 (5 years ago)
- Registered office
- 385 Penhill Drive, Swindon, SN2 5DR
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 22 February 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Swindon
Other active building contractors registered in Swindon.
- Gois Construction Ltd2020
- Greenwing Developments Ltd2016
- Grigore Ltd2026
- Guru9 Ltd2026
- H L Property Developers Ltd2022
- Hanbury Developments Limited1996
- Haq Builders Swindon Ltd2026
- Harmisha Limited2019
All building contractors in Swindon · All trades in Swindon · Builders across the UK
Frequently asked questions
When are GJM Groundwork Ltd's accounts due?
GJM Groundwork Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is GJM Groundwork Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is GJM Groundwork Ltd still trading?
GJM Groundwork 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 GJM Groundwork Ltd do?
GJM Groundwork Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is GJM Groundwork Ltd?
GJM Groundwork Ltd was incorporated on 5 March 2021, 5 years ago.
What is the penalty if GJM Groundwork 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 GJM Groundwork 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.