- Companies
- Specialist contractors
- Bristol
- Quantum Construction Consultants Ltd
Quantum Construction Consultants Ltd
- Company number
- 06774836
- Incorporated
- 17 Dec 200817 years trading
- Registered office
- The Bristol Office 2ND Floor 5 High Street, Westbury on Trym, Bristol, BS9 3BY
- Nature of business
- Other specialised construction activities n.e.c.
Quantum Construction Consultants Ltd is a 17-year-old private limited company registered in Bristol, company number 06774836, one of 442 specialist construction companies in Bristol. 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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Finances
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 down £1,002 (-51.4%) on the year before, to £947.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £34K against £47K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £947 | £22K | £34K | £47K | 2 |
| 31 Dec 2024 | £1,949 | £4,643 | £24K | £31K | 2 |
| 31 Dec 2023 | £187 | £4,405 | £39K | £43K | 2 |
| 31 Dec 2022 | £936 | £6,700 | £41K | £27K | 4 |
| 31 Dec 2021 | £1,170 | £15K | £47K | £22K | 4 |
| 31 Dec 2020 | £892 | £11K | £64K | £22K | 4 |
| 31 Dec 2019 | £874 | £10K | £46K | £53K | 4 |
| 31 Dec 2018 | £212 | £9,648 | £48K | £58K | 4 |
| 31 Dec 2017 | £2,977 | £26K | £79K | £88K | 5 |
| 31 Dec 2016 | £2,878 | £48K | £81K | £92K | 7 |
Where Quantum Construction Consultants Ltd is registered
The registered office is in Bristol (BS9), in the Bristol, City of local authority area, South West. Show BS9 3BY on a map.
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- Nido Design & Build LtdBuilders
- Eb Maintenance LimitedSpecialist contractors
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Also registered at this address
19 other companies use the same registered office as Quantum Construction Consultants Ltd.
- 1ST 4 Electrical Services LtdElectricians
- Ad Ascent Developments LtdProperty developers
- Alan's Bicycle Workshop LtdMachinery repair and installation
- Ample Electrical LtdElectricians
- Conclave Consulting LtdRepair services
- CRP Design LtdBuilders
- Dovedale Homes LimitedProperty developers
- Ecoore LtdProperty developers
- Encura LtdMachinery repair and installation
- Facility Complete Services LtdFacilities management
- Ikaya Construction LtdProperty developers
- Jointek LtdProperty developers
- Lab-Sea-Systems LtdSpecialist contractors
- Mobile Surface Restoration LtdCleaning companies
- Nick Lundy Draughting Services LimitedJoiners and carpenters
- Odrone LtdCleaning companies
- R A Motor Store LtdMotor traders
- The Knowledgeable Frenchman LtdMechanics and garages
- Yarrow Services LtdFacilities management
What happens if Quantum Construction Consultants 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
- 06774836
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 December 2008 (17 years ago)
- Registered office
- The Bristol Office 2ND Floor 5 High Street, Westbury on Trym, Bristol, BS9 3BY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 17 December 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 Bristol
Other active specialist construction companies registered in Bristol.
- R & D Drilling Limited2010
- R & J Builders Limited2025
- R&R Roofing and Facades Limited2021
- R.J. Cox Civil Engineers Ltd.2002
- Rayner Site Services Ltd2017
- RB Interiors Limited2025
- RC Home Hub Ltd2022
- Reconstruct IT Ltd2023
All specialist construction companies in Bristol · All trades in Bristol · Specialist contractors across the UK
Frequently asked questions
When are Quantum Construction Consultants Ltd's accounts due?
Quantum Construction Consultants Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Quantum Construction Consultants 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 Quantum Construction Consultants Ltd still trading?
Quantum Construction Consultants 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 Quantum Construction Consultants Ltd do?
Quantum Construction Consultants Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Quantum Construction Consultants Ltd?
Quantum Construction Consultants Ltd was incorporated on 17 December 2008, 17 years ago.
What is the penalty if Quantum Construction Consultants 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 Quantum Construction Consultants 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.