- Companies
- Cleaning companies
- London
- Cores Group Ltd
Cores Group Ltd
- Company number
- 17223697
- Incorporated
- 15 May 2026
- Registered office
- 14/2E Docklands Business Centre, 10-16 Tiller Road, London, E14 8PX
- Nature of business
- General cleaning of buildings; Specialised cleaning services
Cores Group Ltd is a newly incorporated private limited company registered in London, company number 17223697, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 15 February 2028, and its first CT600 is due at HMRC on 14 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Cores Group Ltd is registered
The registered office is in London (E14), in the Tower Hamlets local authority area, London. Show E14 8PX on a map.
Other trade companies in E14
- Clarke & Lloyds Technologies LtdSpecialist contractors
- London Dev Grays LimitedProperty developers
- London Dev Sittingbourne LimitedProperty developers
- London Dev Dagenham LimitedProperty developers
- JK Motor Vehicles LtdMotor traders
- Eilunio LtdProperty developers
- Gasi Cleaning Co LtdCleaning companies
- Lustrouk LimitedCleaning companies
Also registered at this address
13 other companies use the same registered office as Cores Group Ltd.
- 4 Ladies Cleaning Services LtdCleaning companies
- Albert Zensen LtdProperty developers
- Blackstone Services LimitedPlumbers and heating engineers
- Cleanikal LtdCleaning companies
- D&B Group Services LtdBuilders
- FK Trading Group LtdMotor traders
- Gate Surveying LimitedJoiners and carpenters
- Kivik Renovations LtdFinishing trades
- Moat Builders LtdBuilders
- Novex Maintenance LtdInstallers
- Ri Trading LimitedBuilders
- Robert Automotive Group LtdMotor traders
- Upm Contract UK LtdProperty developers
What happens if Cores Group 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 15 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Feb 2028 to 15 Mar 2028 | £150 |
| 1 to 3 months late | 16 Mar 2028 to 15 May 2028 | £375 |
| 3 to 6 months late | 16 May 2028 to 15 Aug 2028 | £750 |
| More than 6 months late | From 16 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 17223697
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2026
- Registered office
- 14/2E Docklands Business Centre, 10-16 Tiller Road, London, E14 8PX
- Nature of business
- General cleaning of buildings (SIC 81210)
Specialised cleaning services (SIC 81222) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- Corina Super Cleaning Ltd2024
- Cork Cleaning Ltd2024
- Corporate Clean Services Ltd2025
- Cosmic Clean Solutions Ltd2025
- Cosycorner Cleaning Services Ltd2026
- Coteo Eco Cleaning Services Ltd2026
- Cotswold Car Valeting Ltd2024
- Cotton Fresh Linen Co Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Cores Group Ltd's accounts due?
Cores Group Ltd's next accounts are due at Companies House by 15 February 2028 (in 490 days), covering the period to 31 May 2027.
When is Cores Group Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 May 2027, due by 14 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cores Group Ltd still trading?
Cores Group 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 Cores Group Ltd do?
Cores Group Ltd is registered under General cleaning of buildings (SIC 81210); Specialised cleaning services (SIC 81222).
How old is Cores Group Ltd?
Cores Group Ltd was incorporated on 15 May 2026, less than a year ago.
What is the penalty if Cores Group 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 Cores Group 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.