- Companies
- Finishing trades
- Harrow
- Group Ag Limited
Group Ag Limited
- Company number
- 12331893
- Incorporated
- 25 Nov 20196 years trading
- Registered office
- 1-9 ST. Anns Road, Harrow, HA1 1LQ
- Nature of business
- Other building completion and finishing
Group Ag Limited is a 6-year-old private limited company registered in Harrow, company number 12331893, one of 251 building finishing companies in Harrow. 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.
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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 down £1,553 (-186.7%) on the year before, to -£2,385.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£2,385 | £39K | 1 | ||
| 30 Nov 2024 | -£832 | £40K | £42K | 1 | |
| 30 Nov 2023 | £7,273 | £7,200 | £58K | £4,807 | 1 |
| 30 Nov 2022 | £1,609 | £1,995 | £2,491 | £4,100 | 2 |
| 30 Nov 2021 | -£4,253 | £104 | £4,457 | 1 | |
| 30 Nov 2020 | £100 |
Where Group Ag Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1LQ on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
1 other company uses the same registered office as Group Ag Limited.
- Agua Carpentry Experts LtdJoiners and carpenters
What happens if Group Ag 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 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
- 12331893
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2019 (6 years ago)
- Registered office
- 1-9 ST. Anns Road, Harrow, HA1 1LQ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 21 September 2026
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 Harrow
Other active building finishing companies registered in Harrow.
- GTS Group Construction Ltd2024
- Gyan Mechanical Solution Limited2024
- Ha1 Construction Ltd2025
- Handy 4 London Ltd2026
- Handyman Sam Ltd2015
- Hdi Services Limited2016
- Home Comfort & Repair Limited2023
- Homecrown Construction and Carpentry Limited2018
All building finishing companies in Harrow · All trades in Harrow · Finishing trades across the UK
Frequently asked questions
When are Group Ag Limited's accounts due?
Group Ag Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Group Ag Limited'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 Group Ag Limited still trading?
Group Ag Limited 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 Group Ag Limited do?
Group Ag Limited is registered under Other building completion and finishing (SIC 43390).
How old is Group Ag Limited?
Group Ag Limited was incorporated on 25 November 2019, 6 years ago.
What is the penalty if Group Ag 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 Group Ag Limited 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.