- Companies
- Specialist contractors
- Swansea
- Green Energy Mab Ltd
Green Energy Mab Ltd
- Company number
- 14169451
- Incorporated
- 13 Jun 20224 years trading
- Registered office
- C/O SRS Direct Corporation House, Corporation Road, Swansea, SA4 6SD
- Nature of business
- Other specialised construction activities n.e.c.
Green Energy Mab Ltd is a 4-year-old private limited company registered in Swansea, company number 14169451, one of 99 specialist construction companies in Swansea. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 unchanged on the year before, at £100.
- Current assets of £79K against £14K owed within a year: 5.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £100 | £79K | £14K | 0 | |
| 30 Jun 2024 | £100 | £36K | £6,900 | 0 | |
| 30 Jun 2023 | £100 | £323K | £539K | 0 |
Who runs and owns Green Energy Mab Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| B*** E*** | Director | Jun 2022 |
| I*** P*** | Director | Jun 2022 |
| M*** V*** | Director | Jun 2022 |
Person with significant control
Where Green Energy Mab Ltd is registered
The registered office is in Swansea (SA4), in the Swansea local authority area, Wales. Show SA4 6SD on a map.
Other trade companies in SA4
- Prometheus Scaffolding LimitedScaffolders
- Ridgewood Property Group LtdBuilders
- Trident Infrastructure Projects LtdCivil engineering
- Top Tint Vehicles Commercial & Domestic LimitedMechanics and garages
- RHV Solutions LimitedElectricians
- Bay Divers Services LtdMachinery repair and installation
- Dmo Automotive Services LtdMechanics and garages
- Biggs Contracting Services LtdBuilders
Also registered at this address
2 other companies use the same registered office as Green Energy Mab Ltd.
- Green Energy Cornwall LtdProperty developers
- Green Energy Feckenham LtdProperty developers
What happens if Green Energy Mab 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14169451
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2022 (4 years ago)
- Registered office
- C/O SRS Direct Corporation House, Corporation Road, Swansea, SA4 6SD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 11 June 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Swansea
Other active specialist construction companies registered in Swansea.
- Greenwarm Cyf2026
- H I S Group Ltd2024
- Hancock Carpentry Limited2025
- Ian Davies Investments Limited2020
- Ian Davies Plant Limited1996
- Ideal Works Ltd2013
- Industrial Inspection Ltd2023
- J & L Scaffolding (Wales) Limited2006
All specialist construction companies in Swansea · All trades in Swansea · Specialist contractors across the UK
Frequently asked questions
When are Green Energy Mab Ltd's accounts due?
Green Energy Mab Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Green Energy Mab Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Green Energy Mab Ltd still trading?
Green Energy Mab 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 Green Energy Mab Ltd do?
Green Energy Mab Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Green Energy Mab Ltd?
Green Energy Mab Ltd was incorporated on 13 June 2022, 4 years ago.
Who runs Green Energy Mab Ltd?
Green Energy Mab Ltd has 3 active directors, the longest-serving appointed in Jun 2022. Their names and service addresses are on the Companies House register.
Who owns Green Energy Mab Ltd?
One person or company has significant control of Green Energy Mab Ltd: Bitterfelder Projekt Ug (owns 25% to 50% of the shares).
What is the penalty if Green Energy Mab 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 Green Energy Mab 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.