- Companies
- Specialist contractors
- Portsmouth
- Argan Group Limited
Argan Group Limited
- Company number
- 16646104
- Incorporated
- 12 Aug 20251 year trading
- Registered office
- 8 Spur Road, Cosham, Portsmouth, PO6 3EB
- Nature of business
- Other specialised construction activities n.e.c.
Argan Group Limited is a 1-year-old private limited company registered in Portsmouth, company number 16646104, one of 193 specialist construction companies in Portsmouth. Its next accounts are due at Companies House on 12 May 2027, and its first CT600 is due at HMRC on 11 August 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.
Is this your company?
File the first 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 Argan Group LimitedOr 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.
Where Argan Group Limited is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3EB 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
142 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 Argan Group 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 12 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 May 2027 to 12 Jun 2027 | £150 |
| 1 to 3 months late | 13 Jun 2027 to 12 Aug 2027 | £375 |
| 3 to 6 months late | 13 Aug 2027 to 12 Nov 2027 | £750 |
| More than 6 months late | From 13 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16646104
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2025 (1 year ago)
- Registered office
- 8 Spur Road, Cosham, Portsmouth, PO6 3EB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 August 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 Portsmouth
Other active specialist construction companies registered in Portsmouth.
- Argan Homes Limited2018
- Bespoke PV Ltd2024
- Beyond Bricklaying Ltd2024
- BG Fire Protection Ltd2019
- Black Lynx Ltd2021
- Blenheim Builders Limited2016
- Brian Mabe Fire Protection Ltd2016
- Bricktex Southern Limited2022
All specialist construction companies in Portsmouth · All trades in Portsmouth · Specialist contractors across the UK
Frequently asked questions
When are Argan Group Limited's accounts due?
Argan Group Limited's next accounts are due at Companies House by 12 May 2027 (in 212 days), covering the period to 31 August 2026.
When is Argan Group Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 August 2026, due by 11 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Argan Group Limited still trading?
Argan Group Limited is listed as active on the Companies House register (checked 12 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 Argan Group Limited do?
Argan Group Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Argan Group Limited?
Argan Group Limited was incorporated on 12 August 2025, 1 year ago.
What is the penalty if Argan Group 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 Argan Group Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.