- Companies
- Specialist contractors
- Southend-on-Sea
- Quinnross London Ltd
Quinnross London Ltd
- Company number
- 16065534
- Incorporated
- 7 Nov 20241 year trading
- Registered office
- 10 Towerfield Road, Shoeburyness, Southend-on-Sea, SS3 9QE
- Nature of business
- Other specialised construction activities n.e.c.
Quinnross London Ltd is a 1-year-old private limited company registered in Southend-on-Sea, company number 16065534, one of 57 specialist construction companies in Southend-on-Sea. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 30 November 2025, as filed at Companies House.
Where Quinnross London Ltd is registered
The registered office is in Southend-on-Sea (SS3), in the Southend-on-Sea local authority area, East of England. Show SS3 9QE on a map.
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- S1 Automotive Group LtdMechanics and garages
- MKF Cleaning LtdCleaning companies
- Tranquil Solutions LimitedElectricians
- Nord Air Conditioning LtdPlumbers and heating engineers
- Noco Group LtdCivil engineering
- Garrison Gardens LtdLandscapers and gardeners
- Freddaf Investments LimitedProperty developers
Also registered at this address
19 other companies use the same registered office as Quinnross London Ltd.
- Citywide Cleaners LimitedCleaning companies
- Denflow LimitedInstallers
- FMCS LimitedMotor traders
- Fra-Carpentry LtdJoiners and carpenters
- Freddaf Investments LimitedProperty developers
- Garydan Properties LimitedFinishing trades
- Holland's Electrical Services LimitedElectricians
- Hydra Evc LtdMotor traders
- Jordan Taylor Developments LimitedProperty developers
- M & M Maintenance LimitedSpecialist contractors
- P&R Service LimitedElectricians
- PCS City Group LtdSpecialist contractors
- Phoenix Fire Doors and Carpentry LtdJoiners and carpenters
- Quinnross LtdSpecialist contractors
- R&R Carpentry LtdJoiners and carpenters
- Sayer Bespoke LtdSpecialist contractors
- SDM Ductwork LimitedPlumbers and heating engineers
- Ultima Services LtdCleaning companies
- W Fox & Sons LimitedMechanics and garages
What happens if Quinnross London 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16065534
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 November 2024 (1 year ago)
- Registered office
- 10 Towerfield Road, Shoeburyness, Southend-on-Sea, SS3 9QE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 6 November 2025
- Previous names
- Quinnross Consultants (London) Ltd (until 21 Jan 2025)
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 Southend-on-Sea
Other active specialist construction companies registered in Southend-on-Sea.
- R Watson Management Services Ltd2014
- R.O.A.M Contractors Ltd2021
- Rayleigh Mobile Ltd2024
- Redhill Contractors Limited2022
- Regent Contracting Limited2014
- Robert Turner Associates Limited2006
- Southover Construction Ltd2014
- SQ1 Groundworks Ltd2025
All specialist construction companies in Southend-on-Sea · All trades in Southend-on-Sea · Specialist contractors across the UK
Frequently asked questions
When are Quinnross London Ltd's accounts due?
Quinnross London Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Quinnross London Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Quinnross London Ltd still trading?
Quinnross London 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 Quinnross London Ltd do?
Quinnross London Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Quinnross London Ltd?
Quinnross London Ltd was incorporated on 7 November 2024, 1 year ago.
What is the penalty if Quinnross London 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 Quinnross London 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.