- Companies
- Builders
- Nottingham
- Complex Projects UK Ltd
Complex Projects UK Ltd
- Company number
- 15003709
- Incorporated
- 14 Jul 20233 years trading
- Registered office
- 2 Valmont Road, Nottingham, Nottinghamshire, NG5 1GA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Landscape service activities
Complex Projects UK Ltd is a 3-year-old private limited company registered in Nottingham, company number 15003709, one of 547 building contractors in Nottingham. 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.
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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 up £1,340 on the year before, to £1,341.
- Current assets of £2 against £2,533 owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £1,341 | £2 | £2,533 | 1 | |
| 31 May 2024 | £1 |
Where Complex Projects UK Ltd is registered
The registered office is in Nottingham (NG5), in the Nottingham local authority area, East Midlands. Show NG5 1GA on a map.
Other trade companies in NG5
- Chic Engineering Solutions LtdBuilders
- DS Automative LimitedMotor traders
- Sival UK LtdInstallers
- Bell Electrical and Network Solutions LtdElectricians
- Rhoda Workplace Services LtdCleaning companies
- Roofing Repairs Group LtdBuilders
- L&M Joinery and Landscaping LtdJoiners and carpenters
- Spectrum Air Conditioning LtdPlumbers and heating engineers
Also registered at this address
15 other companies use the same registered office as Complex Projects UK Ltd.
- Aachr LtdPlumbers and heating engineers
- Core Electrical Contractors LtdElectricians
- DJG Forklift Services LtdSpecialist contractors
- Forklift Truck Depot LimitedMachinery repair and installation
- Haash LtdRepair services
- Hegarty Building Services LtdBuilders
- Jec (UK) LimitedElectricians
- JK Decor LtdPainters and decorators
- MJS.Ac LtdPlumbers and heating engineers
- Newbay Security Systems LtdElectricians
- Nottingham Signs LtdSpecialist contractors
- RCH Joinery LtdJoiners and carpenters
- Riccardos Services LtdLandscapers and gardeners
- Sunshine Electrical Services LtdElectricians
- Turnkey Homes LtdProperty developers
What happens if Complex Projects UK 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
- 15003709
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 2023 (3 years ago)
- Registered office
- 2 Valmont Road, Nottingham, Nottinghamshire, NG5 1GA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Landscape service activities (SIC 81300) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 25 September 2026
- Previous names
- Complex Landscapes Ltd (until 21 Sep 2026)
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 Nottingham
Other active building contractors registered in Nottingham.
- Construction 9 Ltd2013
- Contrech Limited2025
- Copse Construction Ltd2024
- Corvit Ltd2021
- Covaci Ltd2022
- Coxmoore Developments Ltd2021
- Coxmoore Estates Limited2014
- CP Developments (Nottingham) Ltd2019
All building contractors in Nottingham · All trades in Nottingham · Builders across the UK
Frequently asked questions
When are Complex Projects UK Ltd's accounts due?
Complex Projects UK 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 Complex Projects UK 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 Complex Projects UK Ltd still trading?
Complex Projects UK 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 Complex Projects UK Ltd do?
Complex Projects UK Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Landscape service activities (SIC 81300).
How old is Complex Projects UK Ltd?
Complex Projects UK Ltd was incorporated on 14 July 2023, 3 years ago.
What is the penalty if Complex Projects UK 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 Complex Projects UK 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.