- Companies
- Electricians
- Blyth
- Mainteam Fire & Security Limited
Mainteam Fire & Security Limited
- Company number
- 07885148
- Incorporated
- 16 Dec 201114 years trading
- Registered office
- 38A Bowes Street, Blyth, Northumberland, NE24 1BE
- Nature of business
- Electrical installation
Mainteam Fire & Security Limited is a 14-year-old private limited company registered in Blyth, company number 07885148, one of 14 electrical contractors in Blyth. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £11K (-102.3%) on the year before, to -£236.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £452 against £4,200 owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£236 | £452 | £4,200 | 0 | |
| 31 Dec 2024 | £10K | £9,672 | £5,467 | 0 | |
| 31 Dec 2023 | £100 | £0 | £0 | 0 | |
| 31 Dec 2022 | £100 | £0 | £0 | ||
| 31 Dec 2021 | £100 | 0 | |||
| 31 Dec 2020 | £100 | 0 | |||
| 31 Dec 2019 | £100 | 0 | |||
| 31 Dec 2018 | £100 | £0 | £0 | ||
| 31 Dec 2017 | £100 | ||||
| 31 Dec 2016 | £100 |
Who runs and owns Mainteam Fire & Security Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| P*** M*** | Director | Dec 2011 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| O*** W*** | Director | Jul 2013 | Aug 2013 |
Person with significant control
Where Mainteam Fire & Security Limited is registered
The registered office is in Blyth (NE24), in the Northumberland local authority area, North East. Show NE24 1BE on a map.
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What happens if Mainteam Fire & Security 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 07885148
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 December 2011 (14 years ago)
- Registered office
- 38A Bowes Street, Blyth, Northumberland, NE24 1BE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 28 February 2026
- Previous names
- Hazmax Ltd (until 17 Nov 2023)
Mainteam Maintenance Ltd (until 22 May 2012)
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 Blyth
Other active electrical contractors registered in Blyth.
- MB Energy Solutions Ltd2023
- Northern Electrical Fire Security Ltd2015
- Power Volt Energy Ltd2026
- Swift Renewables Yorkshire Ltd2023
- Bay Electrical Services Limited2005
- Com-Spec Limited2003
- Davis E&I Limited2022
- Get Wired Electrical Services Ltd2023
All electrical contractors in Blyth · All trades in Blyth · Electricians across the UK
Frequently asked questions
When are Mainteam Fire & Security Limited's accounts due?
Mainteam Fire & Security Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Mainteam Fire & Security Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Mainteam Fire & Security Limited still trading?
Mainteam Fire & Security 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 Mainteam Fire & Security Limited do?
Mainteam Fire & Security Limited is registered under Electrical installation (SIC 43210).
How old is Mainteam Fire & Security Limited?
Mainteam Fire & Security Limited was incorporated on 16 December 2011, 14 years ago.
Who runs Mainteam Fire & Security Limited?
Mainteam Fire & Security Limited has 1 active director, the longest-serving appointed in Dec 2011. Their names and service addresses are on the Companies House register.
Who owns Mainteam Fire & Security Limited?
One person or company has significant control of Mainteam Fire & Security Limited: an individual (owns 75% or more of the shares).
What is the penalty if Mainteam Fire & Security 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 Mainteam Fire & Security 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.