- Companies
- Groundworks and demolition
- Watford
- Ao'mahony Limited
Ao'mahony Limited
- Company number
- 09452293
- Incorporated
- 21 Feb 201511 years trading
- Registered office
- 39 the Metro Centre, Tolpits Lane, Watford, Hertfordshire, WD18 9SB
- Nature of business
- Site preparation
Ao'mahony Limited is a 11-year-old private limited company registered in Watford, company number 09452293, one of 14 groundworks and demolition companies in Watford. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 up £8,190 (+4.8%) on the year before, to £178K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £181K against £5,035 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £178K | £181K | £5,035 | 2 | |
| 29 Feb 2024 | £169K | £209K | £42K | 2 | |
| 28 Feb 2023 | £166K | £180K | £17K | 2 | |
| 28 Feb 2022 | £129K | £149K | £23K | 1 | |
| 28 Feb 2021 | £90K | £85K | £109K | £24K | 1 |
| 29 Feb 2020 | £78K | £75K | £98K | £25K | 1 |
| 28 Feb 2019 | £59K | £64K | £91K | £33K | 1 |
| 28 Feb 2018 | £22K | £36K | £69K | £48K | 1 |
| 28 Feb 2017 | -£1,274 | £22K | £22K | £24K | 1 |
| 28 Feb 2016 | £6,019 | £31K | £31K | £26K |
Where Ao'mahony Limited is registered
The registered office is in Watford (WD18), in the Three Rivers local authority area, East of England. Show WD18 9SB on a map.
Other trade companies in WD18
- Aston Contractors LimitedInstallers
- Basky 613 LtdProperty developers
- M&E Motors LtdMotor traders
- Jeservicesgroup LtdBuilders
- RCK’S Car Wash Ltd LtdMechanics and garages
- S Buildx LtdBuilders
- CDP Mechanical Contracting LtdPlumbers and heating engineers
- Lane Commercial LtdCivil engineering
Also registered at this address
16 other companies use the same registered office as Ao'mahony Limited.
- A.R.Beveridge & Sons LtdPlumbers and heating engineers
- Ads Independent Living Solutions LimitedFacilities management
- Atherstone Air Conditioning LimitedPlumbers and heating engineers
- Autonomy Workspace LtdFinishing trades
- Baker Plumbing and Heating LtdPlumbers and heating engineers
- Craig McGibbon LtdLandscapers and gardeners
- Darvell's Joinery LimitedJoiners and carpenters
- DJML Heating LimitedPlumbers and heating engineers
- GN Heating LtdPlumbers and heating engineers
- Hulme Project Management LimitedBuilders
- M P Flooring LimitedFloor and wall tilers
- RB Building and Restoration LtdFinishing trades
- S.C.G. Construction LimitedInstallers
- Tower Gas LtdPlumbers and heating engineers
- UK Prop-Fix LimitedFinishing trades
- Uptown Interiors LtdPainters and decorators
What happens if Ao'mahony 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 09452293
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2015 (11 years ago)
- Registered office
- 39 the Metro Centre, Tolpits Lane, Watford, Hertfordshire, WD18 9SB
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 21 February 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Watford
Other active groundworks and demolition companies registered in Watford.
- Bianchi Demolition Contractors Ltd2026
- Blue House Services Ltd2014
- Charge Utilities Ltd2025
- DCH Engineering Ltd2017
- Duagh Holdings Limited2013
- Express Demolition Ltd2025
- Graffic Limited2003
- Hda Demolition & Plant Hire Limited2015
All groundworks and demolition companies in Watford · All trades in Watford · Groundworks and demolition across the UK
Frequently asked questions
When are Ao'mahony Limited's accounts due?
Ao'mahony Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Ao'mahony Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Ao'mahony Limited still trading?
Ao'mahony 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 Ao'mahony Limited do?
Ao'mahony Limited is registered under Site preparation (SIC 43120).
How old is Ao'mahony Limited?
Ao'mahony Limited was incorporated on 21 February 2015, 11 years ago.
What is the penalty if Ao'mahony 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 Ao'mahony 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.