- Companies
- Plumbers and heating engineers
- Liverpool
- Atlantic Mechanical Services Limited
Atlantic Mechanical Services Limited
- Company number
- 13276263
- Incorporated
- 18 Mar 20215 years trading
- Registered office
- 23 Webber Estate, Webber Road, Knowsley Industrial Park, Liverpool, L33 7SQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Atlantic Mechanical Services Limited is a 5-year-old private limited company registered in Liverpool, company number 13276263, one of 377 plumbing and heating companies in Liverpool. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £17 (-0.1%) on the year before, to £31K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £96K against £65K owed within a year: 1.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £31K | £686 | £96K | £65K | 0 |
| 31 May 2024 | £31K | £47K | £52K | £21K | 2 |
| 31 May 2023 | £14K | £7,210 | £517K | £503K | 2 |
| 31 Mar 2022 | £100 |
Where Atlantic Mechanical Services Limited is registered
The registered office is in Liverpool (L33), in the Knowsley local authority area, North West. Show L33 7SQ on a map.
Other trade companies in L33
- Jenson Joinery and Property Maintenance LimitedProperty developers
- Knowsley Auto Centre LtdMechanics and garages
- Northwest Timing Chains LtdMechanics and garages
- Kirkby Trade Centre LimitedMotor traders
- Rail Core Infrastructure LtdCivil engineering
- Reeza Group LimitedProperty developers
- Bromer Scaffolding LtdScaffolders
- Phoenix Thermal LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Atlantic Mechanical Services Limited.
- Atlantic Electrical Northwest LimitedElectricians
What happens if Atlantic Mechanical Services 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13276263
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2021 (5 years ago)
- Registered office
- 23 Webber Estate, Webber Road, Knowsley Industrial Park, Liverpool, L33 7SQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 17 March 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Liverpool
Other active plumbing and heating companies registered in Liverpool.
- Atlantis Plumbing Services UK Limited2021
- B & M Heating and Plumbing Ltd2013
- B&S Plumbing Heating and Gas Ltd2024
- B.G. Enterprises (NW) Limited2008
- BBB Mechanical Ltd2015
- Be Sure Group Ltd2020
- Beacon Sustainable Ltd2025
- Bej Bathrooms Ltd2021
All plumbing and heating companies in Liverpool · All trades in Liverpool · Plumbers and heating engineers across the UK
Frequently asked questions
When are Atlantic Mechanical Services Limited's accounts due?
Atlantic Mechanical Services Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Atlantic Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Atlantic Mechanical Services Limited still trading?
Atlantic Mechanical Services 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 Atlantic Mechanical Services Limited do?
Atlantic Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Atlantic Mechanical Services Limited?
Atlantic Mechanical Services Limited was incorporated on 18 March 2021, 5 years ago.
What is the penalty if Atlantic Mechanical Services 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 Atlantic Mechanical Services 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.