- Companies
- Civil engineering
- Reading
- 365 Groundwork Ltd
365 Groundwork Ltd
- Company number
- 11835997
- Incorporated
- 19 Feb 20197 years trading
- Registered office
- 525 Oxford Road, Reading, Berkshire, RG30 1HJ
- Nature of business
- Construction of utility projects for electricity and telecommunications
365 Groundwork Ltd is a 7-year-old private limited company registered in Reading, company number 11835997, one of 84 civil engineering contractors in Reading. Its next accounts are due at Companies House on 24 November 2026, and the CT600 for the period to 24 February 2026 is due at HMRC on 24 February 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 365 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 £113K (+33.9%) on the year before, to £446K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £414K against £242K owed within a year: 1.7 times cover.
- 3 employees on average, down from 4 the year before.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £446K | £89K | £414K | £242K | 3 |
| 29 Feb 2024 | £333K | £80K | £451K | £404K | 4 |
| 28 Feb 2023 | £108K | £21K | £43K | 2 | |
| 28 Feb 2022 | £637 | £6,901 | £27K | 2 | |
| 28 Feb 2021 | £1,487 | £8,209 | £13K | 4 | |
| 29 Feb 2020 | £268 | £2,466 | £2,198 | 4 |
Where 365 Groundwork Ltd is registered
The registered office is in Reading (RG30), in the Reading local authority area, South East. Show RG30 1HJ on a map.
Other trade companies in RG30
- Precision Motors LimitedMotor traders
- Kingdom Motors & Services LtdFacilities management
- Great Cleaning Ltd. LtdCleaning companies
- Aj Waite Builders LimitedBuilders
- BG Windows Doors and Conservatories LtdInstallers
- Thoroughly Clean UK LtdCleaning companies
- Infinnity LtdBuilders
- C Collins LtdCivil engineering
What happens if 365 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 24 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Nov 2026 to 24 Dec 2026 | £150 |
| 1 to 3 months late | 25 Dec 2026 to 24 Feb 2027 | £375 |
| 3 to 6 months late | 25 Feb 2027 to 24 May 2027 | £750 |
| More than 6 months late | From 25 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 25 Feb 2027 | £200 |
| 3 months late | 24 May 2027 | another £200 |
| 6 months late | 24 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 24 Feb 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
- 11835997
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2019 (7 years ago)
- Registered office
- 525 Oxford Road, Reading, Berkshire, RG30 1HJ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 24 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 19 April 2026
- Previous names
- Seven Seven Consultancy Ltd (until 22 Jun 2023)
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 Reading
Other active civil engineering contractors registered in Reading.
- A Awan Consultancy Services Ltd2026
- Ainka Limited2016
- Apw Consultants Ltd2017
- Asfionix Ltd2025
- Ashford Trading International Limited2006
- Authorn Limited1977
- B.Solomon Limited2018
- Berkshire Asphalt Ltd2016
All civil engineering contractors in Reading · All trades in Reading · Civil engineering across the UK
Frequently asked questions
When are 365 Groundwork Ltd's accounts due?
365 Groundwork Ltd's next accounts are due at Companies House by 24 November 2026 (in 42 days), covering the period to 24 February 2026.
When is 365 Groundwork Ltd's CT600 due?
The CT600 for the period to 24 February 2026 is due at HMRC by 24 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 25 November 2026.
Is 365 Groundwork Ltd still trading?
365 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 365 Groundwork Ltd do?
365 Groundwork Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is 365 Groundwork Ltd?
365 Groundwork Ltd was incorporated on 19 February 2019, 7 years ago.
What is the penalty if 365 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 365 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.