Company profile · Builders
Red Square Group Ltd
Red Square Group Ltd is a 8-year-old private limited company registered in London, company number 11099300, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Red Square Group 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 £29K (+28.3%) on the year before, to £132K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £19K against £135K owed within a year: 0.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £132K | £19K | £135K | 1 | |
| 31 Dec 2024 | £103K | £35K | £28K | 1 | |
| 31 Dec 2023 | £2,889 | £12K | £42K | 1 | |
| 31 Dec 2022 | £9,811 | £1,288 | £64K | £54K | 2 |
| 31 Dec 2021 | £6,961 | £489 | £47K | £40K | 0 |
| 31 Dec 2020 | £100 | £100 | 0 | ||
| 31 Dec 2019 | £100 | £100 | 0 | ||
| 31 Dec 2018 | £100 | £100 | 1 |
Where Red Square Group Ltd is registered
The registered office is in London (EC1N), in the Camden local authority area, London. Show EC1N 8UN on a map.
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Also registered at this address
16 other companies use the same registered office as Red Square Group Ltd.
- Advanced MP Plumbing & Heating LtdPlumbers and heating engineers
- Britco Distribution Services LimitedMotor traders
- Grand Plumbing Solutions LtdElectricians
- Guardian Pest Management LtdCleaning companies
- Hastings Plumbing & Heating LtdPlumbers and heating engineers
- O-Zone Construction LimitedInstallers
- Premier Global Networks LtdSpecialist contractors
- Sencho Investments LtdMotor traders
- Signature Build (South) LtdBuilders
- Slash Contractors LtdFinishing trades
- Swinley Interiors LtdInstallers
- Tone Control Av LtdElectricians
- Tunbury LimitedProperty developers
- Umbrella Conglomorate LimitedProperty developers
- Ups Corp LimitedMachinery repair and installation
- Visualunusual LimitedFinishing trades
What happens if Red Square 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 11099300
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 December 2017 (8 years ago)
- Registered office
- 4TH Floor, 18 ST. Cross Street, London, EC1N 8UN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 18 December 2025
- Previous names
- Relish&Club Ltd. (until 8 Mar 2021)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Red Vent Ltd2015
- Red Workspace Ltd2025
- Redbrick Ecobuild Limited2025
- Redbrick Groundworks Limited2025
- Redfinch Lillie Ltd2024
- Redfinch Merivale Ltd2024
- Redfinch SW19 Ltd2025
- Redi Builders Ltd2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Red Square Group Ltd's accounts due?
Red Square Group Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Red Square Group Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Red Square Group Ltd still trading?
Red Square 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 Red Square Group Ltd do?
Red Square Group Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Red Square Group Ltd?
Red Square Group Ltd was incorporated on 6 December 2017, 8 years ago.
What is the penalty if Red Square 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 Red Square 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.