- Companies
- Electricians
- Rochdale
- Mantis Systems Ltd
Mantis Systems Ltd
- Company number
- 10351051
- Incorporated
- 30 Aug 201610 years trading
- Registered office
- 5 Woodtop Avenue, Rochdale, OL11 4BD
- Nature of business
- Electrical installation; Other professional, scientific and technical activities n.e.c.
Mantis Systems Ltd is a 10-year-old private limited company registered in Rochdale, company number 10351051, one of 88 electrical contractors in Rochdale. 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 up £6,150 (+90.2%) on the year before, to -£667.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £12K against £12K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£667 | £0 | £12K | £12K | 0 |
| 31 Mar 2024 | -£6,817 | £470 | £11K | £18K | 0 |
| 31 Mar 2023 | -£4,692 | £11K | £25K | 1 | |
| 31 Mar 2022 | £4,795 | £32K | £39K | 1 | |
| 31 Mar 2021 | £2,038 | £25K | £39K | 1 | |
| 31 Mar 2020 | £5,345 | £21K | £34K | 1 | |
| 31 Mar 2019 | £28K | £48K | £42K | ||
| 30 Mar 2018 | £16K | £46K | £47K | ||
| 31 Mar 2017 | £101 | £4,763 | £23K |
Where Mantis Systems Ltd is registered
The registered office is in Rochdale (OL11), in the Rochdale local authority area, North West. Show OL11 4BD on a map.
Other trade companies in OL11
- H-Techs Installations LtdInstallers
- Acedealers LimitedMotor traders
- Maks Property Services LtdBuilders
- Risewell Properties LtdProperty developers
- Northern Commercials MCR LtdMechanics and garages
- Green One Electrical LtdElectricians
- Sale Body Shop LtdMechanics and garages
- Swistrepairs LtdRepair services
What happens if Mantis Systems 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 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
- 10351051
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 August 2016 (10 years ago)
- Registered office
- 5 Woodtop Avenue, Rochdale, OL11 4BD
- Nature of business
- Electrical installation (SIC 43210)
Other professional, scientific and technical activities n.e.c. (SIC 74909) - Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 April 2026
- Previous names
- Gough Systems Ltd (until 16 Mar 2024)
GN Young Ltd (until 11 Jul 2019)
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 Rochdale
Other active electrical contractors registered in Rochdale.
- Meridian Fire and Security Ltd2017
- Millennium Security & Electrics Ltd2025
- Millfold Electrical Limited2024
- Millrace Electrical Ltd2022
- N L Electrical Contractors Ltd2026
- Nighthawk CCTV Limited2023
- NMR Electrical Ltd2023
- NRG Electrical Engineers Limited2013
All electrical contractors in Rochdale · All trades in Rochdale · Electricians across the UK
Frequently asked questions
When are Mantis Systems Ltd's accounts due?
Mantis Systems Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Mantis Systems Ltd'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 Mantis Systems Ltd still trading?
Mantis Systems 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 Mantis Systems Ltd do?
Mantis Systems Ltd is registered under Electrical installation (SIC 43210); Other professional, scientific and technical activities n.e.c. (SIC 74909).
How old is Mantis Systems Ltd?
Mantis Systems Ltd was incorporated on 30 August 2016, 10 years ago.
What is the penalty if Mantis Systems 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 Mantis Systems 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.