- Companies
- Finishing trades
- St Helens
- Mainlink Maintenance Limited
Mainlink Maintenance Limited
- Company number
- 04170715
- Incorporated
- 1 Mar 200125 years trading
- Registered office
- Unit 8, College Street, St Helens, Merseyside, WA10 1FZ
- Nature of business
- Other building completion and finishing
Mainlink Maintenance Limited is a 25-year-old private limited company registered in St Helens, company number 04170715, one of 31 building finishing companies in St Helens. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £40K (-13.5%) on the year before, to £254K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £548K against £268K owed within a year: 2.0 times cover.
- 38 employees on average, up from 30 the year before.
- Balance sheets on record for 4 years, 2020 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2023 | £254K | £24K | £548K | £268K | 38 |
| 31 Mar 2022 | £293K | £163K | £617K | £288K | 30 |
| 31 Mar 2021 | £298K | £264K | £828K | £484K | 26 |
| 31 Mar 2020 | £276K | £168K | £494K | £218K | 25 |
Where Mainlink Maintenance Limited is registered
The registered office is in St Helens (WA10), in the St. Helens local authority area, North West. Show WA10 1FZ on a map.
Other trade companies in WA10
- BNB Trade LimitedMotor traders
- Hatton’S Utilities LtdCivil engineering
- Ste Leatherbarrow Building and Roofing LtdBuilders
- Maqur Services LtdBuilders
- Speakman Chilled-Worx LtdMachinery repair and installation
- JM Technical LtdMachinery repair and installation
- P.W.Fencing LtdProperty developers
- Subsea Cable Solutions LimitedInstallers
What happens if Mainlink Maintenance 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 04170715
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 March 2001 (25 years ago)
- Registered office
- Unit 8, College Street, St Helens, Merseyside, WA10 1FZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 March 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 St Helens
Other active building finishing companies registered in St Helens.
- Mark Picton Limited2005
- Mark Webster Ltd2008
- NWFM Limited2022
- Paul Carney Builders Limited2002
- PVC & Composite Warehouse Ltd2024
- Qualifix Limited2023
- RCB Property Maintenance Limited2025
- S W Building Contractors Limited2004
All building finishing companies in St Helens · All trades in St Helens · Finishing trades across the UK
Frequently asked questions
When are Mainlink Maintenance Limited's accounts due?
Mainlink Maintenance Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Mainlink Maintenance Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Mainlink Maintenance Limited still trading?
Mainlink Maintenance 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 Mainlink Maintenance Limited do?
Mainlink Maintenance Limited is registered under Other building completion and finishing (SIC 43390).
How old is Mainlink Maintenance Limited?
Mainlink Maintenance Limited was incorporated on 1 March 2001, 25 years ago.
What is the penalty if Mainlink Maintenance 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 Mainlink Maintenance 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.