- Companies
- Specialist contractors
- Eastleigh
- Complex-Solutions Ltd
Complex-Solutions Ltd
- Company number
- 15767360
- Incorporated
- 7 Jun 20242 years trading
- Registered office
- Flat1, 2G, High Street, Eastleigh, SO50 5LA
- Nature of business
- Other specialised construction activities n.e.c.
Complex-Solutions Ltd is a 2-year-old private limited company registered in Eastleigh, company number 15767360, one of 51 specialist construction companies in Eastleigh. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £3,783 on the year before, to £3,784.
- Current assets of £4,671 against £887 owed within a year: 5.3 times cover.
- 1 employee on average, up from 0 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £3,784 | £4,671 | £887 | 1 | |
| 30 Jun 2024 | £1 | £1 | £0 | 0 |
Who runs and owns Complex-Solutions Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** A*** | Director | Jun 2024 |
Person with significant control
Where Complex-Solutions Ltd is registered
The registered office is in Eastleigh (SO50), in the Eastleigh local authority area, South East. Show SO50 5LA on a map.
Other trade companies in SO50
- Chevron Homes LimitedBuilders
- Plymouth Construction & Roofing LtdRoofers
- Marley Roofing and Guttering LtdRoofers
- Gutter and Glass LimitedCleaning companies
- Zap Clean Systems LimitedCleaning companies
- Pro Spray Hampshire LtdPainters and decorators
- National Trusted Vehicles LtdMotor traders
- Kuji Service LtdMachinery repair and installation
Also registered at this address
1 other company uses the same registered office as Complex-Solutions Ltd.
- HS Plumbing & Electrical LtdElectricians
What happens if Complex-Solutions 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 15767360
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 June 2024 (2 years ago)
- Registered office
- Flat1, 2G, High Street, Eastleigh, SO50 5LA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 June 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 Eastleigh
Other active specialist construction companies registered in Eastleigh.
- Conform Iw Ltd2012
- Construction Managers Ltd2012
- Dan the Concrete Man Limited2021
- DCP Carpentry Limited2018
- Everform Limited2023
- Exceed Maintenance Limited2017
- Fairway Drives & Design Ltd2018
- Global Rope Access Solutions Limited2026
All specialist construction companies in Eastleigh · All trades in Eastleigh · Specialist contractors across the UK
Frequently asked questions
When are Complex-Solutions Ltd's accounts due?
Complex-Solutions Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Complex-Solutions Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Complex-Solutions Ltd still trading?
Complex-Solutions 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-Solutions Ltd do?
Complex-Solutions Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Complex-Solutions Ltd?
Complex-Solutions Ltd was incorporated on 7 June 2024, 2 years ago.
Who runs Complex-Solutions Ltd?
Complex-Solutions Ltd has 1 active director, the longest-serving appointed in Jun 2024. Their names and service addresses are on the Companies House register.
Who owns Complex-Solutions Ltd?
One person or company has significant control of Complex-Solutions Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Complex-Solutions 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-Solutions 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.