- Companies
- Plumbers and heating engineers
- Liverpool
- Mersey Prime Ltd
Mersey Prime Ltd
- Company number
- 12617854
- Incorporated
- 22 May 20206 years trading
- Registered office
- 4 Harthill Road, Liverpool, L18 6HU
- Nature of business
- Plumbing, heat and air-conditioning installation
Mersey Prime Ltd is a 6-year-old private limited company registered in Liverpool, company number 12617854, 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 up £7,966 on the year before, to £7,967.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £10K against £1,869 owed within a year: 5.4 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £7,967 | £10K | £1,869 | 1 | |
| 31 May 2024 | £1 | £1 | 0 | ||
| 31 May 2023 | £1 | £1 | 0 | ||
| 31 May 2022 | £1 | £1 | 0 | ||
| 31 May 2021 | £1 | £1 | 0 |
Where Mersey Prime Ltd is registered
The registered office is in Liverpool (L18), in the Liverpool local authority area, North West. Show L18 6HU on a map.
Other trade companies in L18
- D T Hughes Power Networks LimitedSpecialist contractors
- West Allerton Decor LimitedPainters and decorators
- Doodles Electrical Services LtdElectricians
- Cortin Woodwork LimitedJoiners and carpenters
- Nordvest Property Services LtdFinishing trades
- Lions Gold LtdRepair services
- Adlib Property LtdProperty developers
- Lisbon Property Group LtdInstallers
What happens if Mersey Prime 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 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
- 12617854
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2020 (6 years ago)
- Registered office
- 4 Harthill Road, Liverpool, L18 6HU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 21 May 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.
- Merseyfix Plumbing & Heating Ltd2025
- Merseyflush Ltd2024
- Merseyside Air Conditioning Ltd2025
- Merseyside Central Heating Limited1989
- Merseyside Central Heating Renewables Limited2013
- Merseyside Heating & Plumbing Limited1985
- MH Gas Service Ltd2023
- MJR Plumbing & Heating Solutions Ltd2015
All plumbing and heating companies in Liverpool · All trades in Liverpool · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mersey Prime Ltd's accounts due?
Mersey Prime Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Mersey Prime Ltd'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 Mersey Prime Ltd still trading?
Mersey Prime 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 Mersey Prime Ltd do?
Mersey Prime Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mersey Prime Ltd?
Mersey Prime Ltd was incorporated on 22 May 2020, 6 years ago.
What is the penalty if Mersey Prime 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 Mersey Prime 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.