- Companies
- Specialist contractors
- London
- SQ2 Group Ltd
SQ2 Group Ltd
- Company number
- 15709924
- Incorporated
- 8 May 20242 years trading
- Registered office
- 128 Cannon Workshops, 3 Cannon Drive, London, E14 4AS
- Nature of business
- Other specialised construction activities n.e.c.; specialised design activities
SQ2 Group Ltd is a 2-year-old private limited company registered in London, company number 15709924, one of 4,318 specialist construction companies in London. 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.
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 SQ2 Group 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 May 2025, as filed at Companies House.
Where SQ2 Group Ltd is registered
The registered office is in London (E14), in the Tower Hamlets local authority area, London. Show E14 4AS 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
12 other companies use the same registered office as SQ2 Group Ltd.
- Abcroft Interiors LimitedPlumbers and heating engineers
- Abcroft Swallow LimitedPlumbers and heating engineers
- Adventium LimitedProperty developers
- CWT Advisory LtdSpecialist contractors
- Erc London LtdFacilities management
- Floor Electric LimitedBuilders
- Serious Construction LimitedProperty developers
- Shield Chemicals T/A Lancer Products LimitedMotor traders
- Sovereign Motor Spares LimitedMotor traders
- The Additive Guys LimitedMotor traders
- We Care for Carpets LtdFloor and wall tilers
- Yellow Shop 252 LimitedMotor traders
What happens if SQ2 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15709924
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2024 (2 years ago)
- Registered office
- 128 Cannon Workshops, 3 Cannon Drive, London, E14 4AS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
specialised design activities (SIC 74100) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 19 February 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 London
Other active specialist construction companies registered in London.
- Square Fix Ltd2022
- Squarebrick Limited2016
- SR 19 Ltd2020
- SR Designers Ltd2015
- SR Empire Building Services Ltd2025
- Sra Swift Trading Ltd2017
- SRH Construction Ltd2024
- SRV Ltd2018
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are SQ2 Group Ltd's accounts due?
SQ2 Group Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is SQ2 Group Ltd'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 SQ2 Group Ltd still trading?
SQ2 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 SQ2 Group Ltd do?
SQ2 Group Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); specialised design activities (SIC 74100).
How old is SQ2 Group Ltd?
SQ2 Group Ltd was incorporated on 8 May 2024, 2 years ago.
What is the penalty if SQ2 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 SQ2 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.