- Companies
- Specialist contractors
- Pontyclun
- Flag Alpha Diving Consultancy Ltd
Flag Alpha Diving Consultancy Ltd
- Company number
- 16081468
- Incorporated
- 15 Nov 20241 year trading
- Registered office
- 4 Graig Cottages, Miskin, Pontyclun, CF72 8JR
- Nature of business
- Other specialised construction activities n.e.c.
Flag Alpha Diving Consultancy Ltd is a 1-year-old private limited company registered in Pontyclun, company number 16081468, one of 14 specialist construction companies in Pontyclun. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 Flag Alpha Diving Consultancy 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.
Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Who runs and owns Flag Alpha Diving Consultancy Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** H*** | Director | Nov 2024 |
People with significant control (2)
Where Flag Alpha Diving Consultancy Ltd is registered
The registered office is in Pontyclun (CF72), in the Rhondda Cynon Taf local authority area, Wales. Show CF72 8JR on a map.
Other trade companies in CF72
- J Langdon Developments LtdBuilders
- Fortis DS LtdMachinery repair and installation
- Barcombe Commercial & Property Services LtdFinishing trades
- JMP Gas Plumbing and Heating LtdPlumbers and heating engineers
- Mgreenroofing LtdRoofers
- Vent-Ways LtdInstallers
- O&R Autohaus LimitedMechanics and garages
- Acer Garden Retreats LtdJoiners and carpenters
What happens if Flag Alpha Diving Consultancy 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16081468
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 November 2024 (1 year ago)
- Registered office
- 4 Graig Cottages, Miskin, Pontyclun, CF72 8JR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 6 January 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 Pontyclun
Other active specialist construction companies registered in Pontyclun.
- Forest Wood Welding and Fabrication Ltd2025
- Green Asset Solutions Limited2013
- Index Waterproofing Technology UK Ltd2010
- Jordan Civils (Wales) Ltd2012
- Joshua Stratford Health & Safety Ltd2024
- Medusa Construction Cosmetics Limited2012
- Nautilus Concrete & Flooring Ltd2023
- Nautilus Roofing & Exteriors Ltd2013
All specialist construction companies in Pontyclun · All trades in Pontyclun · Specialist contractors across the UK
Frequently asked questions
When are Flag Alpha Diving Consultancy Ltd's accounts due?
Flag Alpha Diving Consultancy Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Flag Alpha Diving Consultancy Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Flag Alpha Diving Consultancy Ltd still trading?
Flag Alpha Diving Consultancy 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 Flag Alpha Diving Consultancy Ltd do?
Flag Alpha Diving Consultancy Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Flag Alpha Diving Consultancy Ltd?
Flag Alpha Diving Consultancy Ltd was incorporated on 15 November 2024, 1 year ago.
Who runs Flag Alpha Diving Consultancy Ltd?
Flag Alpha Diving Consultancy Ltd has 1 active director, the longest-serving appointed in Nov 2024. Their names and service addresses are on the Companies House register.
Who owns Flag Alpha Diving Consultancy Ltd?
2 people or companies have significant control of Flag Alpha Diving Consultancy Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Flag Alpha Diving Consultancy 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 Flag Alpha Diving Consultancy 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.