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  4. Greenstorm Limited

Greenstorm Limited

ActiveMicro-entity accountsElectriciansBirmingham
Company number
12629932
Incorporated
28 May 20206 years trading
Registered office
Grosvenor House, 11 ST. Pauls Square, Birmingham, B3 1RB
Nature of business
Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation; Other specialised construction activities n.e.c.
Accounts due in
139 days
28 Feb 2027
Net assets
£120K▲
+199.7% on the year before
Employees
7
Average during the year
Public contracts
2
Latest 2025
From the Companies House register, 1 Oct 2026

Greenstorm Limited is a 6-year-old private limited company registered in Birmingham, company number 12629932, one of 555 electrical contractors in Birmingham. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
28 Feb 2027
in 139 days
For the period to 31 May 2026
CT600 due
31 May 2027
in 231 days
Period 1 Jun 2025 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 140 days
9 months and 1 day after the period end
Confirmation statement
6 Aug 2027
in 298 days
Last made up to 23 Jul 2026

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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 £80K (+199.7%) on the year before, to £120K.
  • Net assets rose in 4 of 4 year-on-year comparisons on record.
  • Current assets of £521K against £401K owed within a year: 1.3 times cover.
  • 7 employees on average during the year.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£50K£100K31 May 2021: net assets £1£1202131 May 2022: net assets £14K£14K202231 May 2023: net assets £15K£15K202331 May 2024: net assets £40K£40K202431 May 2025: net assets £120K£120K2025
Net assets at each year end, 2021 to 2025£0£50K£100K31 May 2021: net assets £1£1202131 May 2022: net assets £14K£14K202231 May 2023: net assets £15K£15K202331 May 2024: net assets £40K£40K202431 May 2025: net assets £120K£120K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2025£120K£521K£401K7
31 May 2024£40K£162K£127K7
31 May 2023£15K£57K£54K4
31 May 2022£14K£68K£59K2
31 May 2021£10

Who runs and owns Greenstorm Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (3)

NameRoleAppointed
U*** V***DirectorSep 2021
C*** B***DirectorJul 2024
D*** N***DirectorAug 2025
1 former officer
NameRoleAppointedLeft
D*** S***DirectorMay 2020Sep 2021

People with significant control (2)

Individual · since Jul 2024
C*** B***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Sep 2021
U*** V***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors

Public contracts won

Greenstorm Limited has 2 public sector contract awards on record (2025). Source: Contracts Finder and Find a Tender award notices. For 1 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

20252

Main buyers

  • Procure Plus Holdings Limited1 award
  • Oxford City Council1 award
BuyerContractValueAwarded
Procure Plus Holdings LimitedFramework for the Installation of Low and Zero Carbon TechnologiesCeiling, not shown4 Nov 2025
Oxford City CouncilProvision of Domestic EPCs, phase 124 Oct 2025

Where Greenstorm Limited is registered

Greenstorm Limited's registered office on a map of the UK

The registered office is in Birmingham (B3), in the Birmingham local authority area, West Midlands. Show B3 1RB on a map.

Other trade companies in B3

Shared registered office

40 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Greenstorm 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 28 February 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2027 to 31 Mar 2027£150
1 to 3 months late1 Apr 2027 to 31 May 2027£375
3 to 6 months late1 Jun 2027 to 31 Aug 2027£750
More than 6 months lateFrom 1 Sep 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 2028another 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
12629932
Status
Active
Company type
Private limited company
Incorporated
28 May 2020 (6 years ago)
Registered office
Grosvenor House, 11 ST. Pauls Square, Birmingham, B3 1RB
Nature of business
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 May (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 May 2025
Last confirmation statement
23 July 2026

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 Birmingham

Other active electrical contractors registered in Birmingham.

All electrical contractors in Birmingham · All trades in Birmingham · Electricians across the UK

Frequently asked questions

When are Greenstorm Limited's accounts due?

Greenstorm Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.

When is Greenstorm Limited's CT600 due?

The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.

Is Greenstorm Limited still trading?

Greenstorm 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 Greenstorm Limited do?

Greenstorm Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).

How old is Greenstorm Limited?

Greenstorm Limited was incorporated on 28 May 2020, 6 years ago.

Who runs Greenstorm Limited?

Greenstorm Limited has 3 active directors, the longest-serving appointed in Sep 2021. Their names and service addresses are on the Companies House register.

Who owns Greenstorm Limited?

2 people or companies have significant control of Greenstorm Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

Has Greenstorm Limited won public sector contracts?

Yes. Greenstorm Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender, most recently from PROCURE PLUS HOLDINGS LIMITED.

What is the penalty if Greenstorm 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 Greenstorm Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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