- Companies
- Electricians
- London
- Co2 Controls Ltd
Company profile · Electricians
Co2 Controls Ltd
Co2 Controls Ltd is a 6-year-old private limited company registered in London, company number 12778568, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Co2 Controls LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Co2 Controls Ltd over the years
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 £101K (+26%) on the year before, to £491K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £1.1M against £570K owed within a year: 1.9 times cover.
- 12 employees on average, up from 10 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £491K | £276K | £1.1M | £570K | 12 |
| 31 Jul 2024 | £389K | £70K | £745K | £334K | 10 |
| 31 Jul 2023 | £278K | £267K | £606K | £317K | 8 |
| 31 Jul 2022 | £227K | £244K | £467K | £251K | 5 |
| 31 Jul 2021 | £85K | £112K | £143K | £61K | 3 |
Where Co2 Controls Ltd is registered
The registered office is in London (EC4A), in the City of London local authority area, London. Show EC4A 2AB on a map.
Other trade companies in EC4A
- Mountwood Design LimitedProperty developers
- 38 SS Renovations LtdProperty developers
- JBD Care LimitedProperty developers
- Tramps Construction Company LtdProperty developers
- Didge Electrical & Building Services LtdElectricians
- Square One Decorating & Plastering LimitedPlasterers
- Project1 UK Contracting LtdBuilders
- Belmont HGL LimitedProperty developers
Also registered at this address
2 other companies use the same registered office as Co2 Controls Ltd.
- Co2 Controls Service LtdElectricians
- PJ Installations LtdInstallers
What happens if Co2 Controls 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12778568
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 July 2020 (6 years ago)
- Registered office
- 107-111 Fleet Street, London, EC4A 2AB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 28 July 2026
- Previous names
- Co2Ntrol Solutions Ltd (until 4 Oct 2020)
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 London
Other active electrical contractors registered in London.
- Co2 Controls Service Ltd2022
- Code Electrical Ltd2018
- Coeus Consultancy Services Ltd2022
- Colabs.Tech Limited2026
- Colin MC Construction Ltd2026
- Colour Code Electrical Ltd2018
- Company I&D Ltd2021
- Compass Electrical Controls Limited2001
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Co2 Controls Ltd's accounts due?
Co2 Controls Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Co2 Controls Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Co2 Controls Ltd still trading?
Co2 Controls 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 Co2 Controls Ltd do?
Co2 Controls Ltd is registered under Electrical installation (SIC 43210).
How old is Co2 Controls Ltd?
Co2 Controls Ltd was incorporated on 29 July 2020, 6 years ago.
What is the penalty if Co2 Controls 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 Co2 Controls 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.