- Companies
- Electricians
- St Helens
- Mango-5 Maintenance Limited
Mango-5 Maintenance Limited
- Company number
- 08021737
- Incorporated
- 5 Apr 201214 years trading
- Registered office
- Tyrone House, 1ST Floor Haydock Lane, Haydock, St Helens, WA11 9UY
- Nature of business
- Electrical installation
Mango-5 Maintenance Limited is a 14-year-old private limited company registered in St Helens, company number 08021737, one of 57 electrical contractors in St Helens. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 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 rose in 4 of 8 year-on-year comparisons on record.
- 7 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 | £403K | 7 | |||
| 30 Apr 2024 | £172K | £527K | £620K | 7 | |
| 30 Apr 2023 | £21K | £304K | £594K | 7 | |
| 30 Apr 2022 | £15K | £46K | £348K | 7 | |
| 30 Apr 2021 | -£36K | £174K | £239K | 7 | |
| 30 Apr 2020 | £12K | £70K | £431K | £445K | 7 |
| 30 Apr 2019 | -£52K | £11K | £331K | £388K | 7 |
| 30 Apr 2018 | -£32K | £413K | £505K | ||
| 30 Apr 2017 | -£8,363 | £283K | £347K | ||
| 30 Apr 2016 | -£7,267 | £310K | £382K |
Public contracts won
Mango-5 Maintenance Limited has 4 public sector contract awards on record; the ones with their own published value total £347K, from 2021 to 2025. Source: Contracts Finder and Find a Tender award notices. For 2 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
Awards by year
Main buyers
- Civil Nuclear Police Authority1 award
- NHS Shared Business Services Limited1 award
- Fusion21 Members Consortium1 award
- Halton Borough Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Civil Nuclear Police Authority | CCTV, intruder and live fire warning system alarm maintenance | £174K | 1 Aug 2025 |
| NHS Shared Business Services Limited | NHS SBS Security Services, CCTV, and VSS Framework | Ceiling, not shown | 29 Apr 2025 |
| Fusion21 Members Consortium | Fusion21 Building Safety & Compliance Framework - CF Award Notice | Ceiling, not shown | 15 Apr 2025 |
| Halton Borough Council | Closed Circuit Television and Intruder Alarms - Supply, Installation, Maintenance Services | £173K | 12 May 2021 |
Where Mango-5 Maintenance Limited is registered
The registered office is in St Helens (WA11), in the St. Helens local authority area, North West. Show WA11 9UY on a map.
Other trade companies in WA11
- Shielded Chamber Installations LtdMachinery repair and installation
- Fuzed SL LtdElectricians
- NDS Decorating LtdPainters and decorators
- Noblehome Construction LtdBuilders
- Heyes Roofing & Construction LtdRoofers
- Sarah's Sparkle and Shine LtdCleaning companies
- JM Surveyors LtdBuilders
- Primeheat Plumbing and Heating New Build LimitedInstallers
What happens if Mango-5 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
- 08021737
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 April 2012 (14 years ago)
- Registered office
- Tyrone House, 1ST Floor Haydock Lane, Haydock, St Helens, WA11 9UY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 26 August 2026
- Charges (mortgages)
- 0 outstanding of 5 registered
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in St Helens
Other active electrical contractors registered in St Helens.
- Mere (UK) Limited2010
- MGH Electrical (UK) Ltd2012
- MM Tech Electrical Solutions Limited2016
- P.W.Lockett Electrics Ltd2026
- Prospark Ltd2026
- Ral Energy Limited2022
- Reed Electrical Systems and Services Ltd2025
- S & N Electrical Services Ltd2022
All electrical contractors in St Helens · All trades in St Helens · Electricians across the UK
Frequently asked questions
When are Mango-5 Maintenance Limited's accounts due?
Mango-5 Maintenance Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Mango-5 Maintenance Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 February 2026, due by 28 February 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mango-5 Maintenance Limited still trading?
Mango-5 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 Mango-5 Maintenance Limited do?
Mango-5 Maintenance Limited is registered under Electrical installation (SIC 43210).
How old is Mango-5 Maintenance Limited?
Mango-5 Maintenance Limited was incorporated on 5 April 2012, 14 years ago.
Has Mango-5 Maintenance Limited won public sector contracts?
Yes. Mango-5 Maintenance Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £347K), most recently from Civil Nuclear Police Authority.
What is the penalty if Mango-5 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 Mango-5 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.