- Companies
- Specialist contractors
- Swindon
- Gradus Groundworks Ltd
Gradus Groundworks Ltd
- Company number
- 16444555
- Incorporated
- 12 May 20251 year trading
- Registered office
- Office D23 Chelworth Industrial Estate, Cricklade, Swindon, SN6 6HE
- Nature of business
- Other specialised construction activities n.e.c.
Gradus Groundworks Ltd is a 1-year-old private limited company registered in Swindon, company number 16444555, one of 130 specialist construction companies in Swindon. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Who runs and owns Gradus Groundworks Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| L*** W*** | Director | May 2025 |
| S*** W*** | Director | May 2025 |
Person with significant control
Where Gradus Groundworks Ltd is registered
The registered office is in Swindon (SN6), in the Wiltshire local authority area, South West. Show SN6 6HE on a map.
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- Nelson Home Improvements LtdRoofers
- Atwoair LimitedPlumbers and heating engineers
- Callum Gibbs Plumbing and Heating LtdPlumbers and heating engineers
- Hampton Developments (Blunsdon) LimitedProperty developers
- Mays Property Group LtdProperty developers
- Cotswold Trade Centre LimitedProperty developers
Also registered at this address
4 other companies use the same registered office as Gradus Groundworks Ltd.
- M&A Tape and Jointing LimitedPlasterers
- Mortimus Services LtdSpecialist contractors
- Ogilvie Hughes Electrical LtdElectricians
- Sheen Motors LtdMotor traders
What happens if Gradus Groundworks 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16444555
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2025 (1 year ago)
- Registered office
- Office D23 Chelworth Industrial Estate, Cricklade, Swindon, SN6 6HE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 11 May 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Swindon
Other active specialist construction companies registered in Swindon.
- Great Western Property Limited2015
- H. Hibberd Limited1961
- Hamaazs Ltd2026
- Hawk Insulation Limited2014
- Heat and Energy Ltd2016
- HG Property Maintenance Ltd2014
- Highline Solar & Electrical Ltd2025
- Howell Properties Ltd2010
All specialist construction companies in Swindon · All trades in Swindon · Specialist contractors across the UK
Frequently asked questions
When are Gradus Groundworks Ltd's accounts due?
Gradus Groundworks Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Gradus Groundworks Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Gradus Groundworks Ltd still trading?
Gradus Groundworks 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 Gradus Groundworks Ltd do?
Gradus Groundworks Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Gradus Groundworks Ltd?
Gradus Groundworks Ltd was incorporated on 12 May 2025, 1 year ago.
Who runs Gradus Groundworks Ltd?
Gradus Groundworks Ltd has 2 active directors, the longest-serving appointed in May 2025. Their names and service addresses are on the Companies House register.
Who owns Gradus Groundworks Ltd?
One person or company has significant control of Gradus Groundworks Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Gradus Groundworks 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 Gradus Groundworks 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.