- Companies
- Finishing trades
- Portsmouth
- Adept Groundwork Services Ltd
Adept Groundwork Services Ltd
- Company number
- 16774674
- Incorporated
- 9 Oct 20251 year trading
- Registered office
- Suite 1 Ground Floor, 4 Quay Point,, Northarbour Road, Portsmouth, PO6 3TD
- Nature of business
- Other building completion and finishing; Other specialised construction activities n.e.c.
Adept Groundwork Services Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16774674, one of 137 building finishing companies in Portsmouth. Its next accounts are due at Companies House on 9 July 2027, and its first CT600 is due at HMRC on 8 October 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Adept Groundwork Services Ltd is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3TD on a map.
Other trade companies in PO6
- Bellagio Partners LtdBuilders
- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
Shared registered office
63 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 Adept Groundwork 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 9 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Jul 2027 to 9 Aug 2027 | £150 |
| 1 to 3 months late | 10 Aug 2027 to 9 Oct 2027 | £375 |
| 3 to 6 months late | 10 Oct 2027 to 9 Jan 2028 | £750 |
| More than 6 months late | From 10 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16774674
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2025 (1 year ago)
- Registered office
- Suite 1 Ground Floor, 4 Quay Point,, Northarbour Road, Portsmouth, PO6 3TD
- Nature of business
- Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Portsmouth
Other active building finishing companies registered in Portsmouth.
- Al Fajar Building Limited2026
- Amicable Building Solutions Ltd2008
- Anson + Jackson Limited1999
- App Decorating Ltd2019
- Aqueous Pools Limited2016
- Ardent Building & Structual Repairs Limited2008
- Artificial Grass Landscapes Ltd2016
- Asgard Carpentry Ltd2025
All building finishing companies in Portsmouth · All trades in Portsmouth · Finishing trades across the UK
Frequently asked questions
When are Adept Groundwork Services Ltd's accounts due?
Adept Groundwork Services Ltd's next accounts are due at Companies House by 9 July 2027 (in 270 days), covering the period to 31 October 2026.
When is Adept Groundwork Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 October 2026, due by 8 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Adept Groundwork Services Ltd still trading?
Adept Groundwork 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 Adept Groundwork Services Ltd do?
Adept Groundwork Services Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Adept Groundwork Services Ltd?
Adept Groundwork Services Ltd was incorporated on 9 October 2025, 1 year ago.
What is the penalty if Adept Groundwork 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 Adept Groundwork 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.