- Companies
- Electricians
- Harrow
- Solidify M&E Ltd
Solidify M&E Ltd
- Company number
- 15553527
- Incorporated
- 11 Mar 20242 years trading
- Registered office
- Grove House Third Floor, 55 Lowlands Road, Harrow, HA1 3AW
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation
Solidify M&E Ltd is a 2-year-old private limited company registered in Harrow, company number 15553527, one of 200 electrical contractors in Harrow. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Solidify M&E Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 3AW on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
12 other companies use the same registered office as Solidify M&E Ltd.
- Falcon Electrical Contractors LtdElectricians
- Jol Construction Services LtdBuilders
- Mark James Property Solutions Ltd.Finishing trades
- Mayfair Builders LtdFinishing trades
- MJ & CJ LtdGroundworks and demolition
- Morrissey Electrical LimitedElectricians
- New Vista LimitedProperty developers
- P & P House Keeping LtdCleaning companies
- Solidify Construct LtdBuilders
- Solidify LimitedBuilders
- Speednine LimitedMotor traders
- Tamber Construction LimitedCivil engineering
What happens if Solidify M&E 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
- 15553527
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2024 (2 years ago)
- Registered office
- Grove House Third Floor, 55 Lowlands Road, Harrow, HA1 3AW
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 March 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Harrow
Other active electrical contractors registered in Harrow.
- SP Fire Limited2017
- Sparks DRG Limited2026
- Spenrig Services Limited2024
- Square Man Lighting Services Limited2014
- ST Hillare Electrical Services Ltd2003
- Strata Surveying & Retrofit Ltd2022
- Swakaa Electrical Services Ltd2021
- Sword Electrical Limited2022
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are Solidify M&E Ltd's accounts due?
Solidify M&E 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 Solidify M&E 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 Solidify M&E Ltd still trading?
Solidify M&E 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 Solidify M&E Ltd do?
Solidify M&E Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Solidify M&E Ltd?
Solidify M&E Ltd was incorporated on 11 March 2024, 2 years ago.
What is the penalty if Solidify M&E 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 Solidify M&E 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.