- Companies
- Installers
- Kilmarnock
- Complex Access Ltd
Complex Access Ltd
- Company number
- SC710484
- Incorporated
- 25 Sep 20215 years trading
- Registered office
- 1A Bank Place, Kilmarnock, KA1 1HJ
- Nature of business
- Other construction installation; Technical testing and analysis
Complex Access Ltd is a 5-year-old private limited company registered in Kilmarnock, company number SC710484, one of 24 installation companies (insulation, lifts, shutters and similar) in Kilmarnock. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £817 (-33.9%) on the year before, to £1,592.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £5,971 against £9,562 owed within a year: 0.6 times cover.
- 1 employee on average, up from -1 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £1,592 | £5,971 | £9,562 | 1 | |
| 30 Sep 2024 | £2,409 | £5,748 | £9,160 | -1 | |
| 30 Sep 2023 | £4,211 | £5,301 | £8,772 | -1 | |
| 30 Sep 2022 | £5,910 | £10K | £6,002 | -1 |
Who runs and owns Complex Access Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| K*** M*** | Director | Sep 2021 |
Person with significant control
Where Complex Access Ltd is registered
The registered office is in Kilmarnock (KA1), in the East Ayrshire local authority area, Scotland. Show KA1 1HJ on a map.
Other trade companies in KA1
- MM Electrical Instalations LtdElectricians
- Cornerstone Project Management LtdBuilders
- JCC.Vertex Build LtdElectricians
- Deo Property Consortium LimitedProperty developers
- Jake Robb Joinery LimitedJoiners and carpenters
- Cby Plumbing & Heating Solutions LtdPlumbers and heating engineers
- Elite Installs Scotland LtdPlumbers and heating engineers
- Elevate Joinery & Conservatory Specialist Ayrshire LimitedJoiners and carpenters
Also registered at this address
23 other companies use the same registered office as Complex Access Ltd.
- Am Rail Contracts LtdCivil engineering
- Ayrshire Drywall Services LtdPlasterers
- Boab's Your Builder LimitedLandscapers and gardeners
- Calvin Marshall Heating and Plumbing Services LtdPlumbers and heating engineers
- Car-Bella Scotland LimitedElectricians
- Cooper Decorators LimitedPainters and decorators
- G B Resources LimitedCivil engineering
- Gaztec Roofing Services LtdRoofers
- Gaztec Services LtdPlumbers and heating engineers
- Glenabby Roofing LimitedRoofers
- GSC Building and Landscaping Services LtdLandscapers and gardeners
- Im Joinery LimitedJoiners and carpenters
- J Banks Rail Services LtdCivil engineering
- J.N.S. Contracts LimitedLandscapers and gardeners
- JPH Joinery Services LtdJoiners and carpenters
- Kelly Grab Hire Kilmarnock LtdSpecialist contractors
- KJK Rail LimitedCivil engineering
- KPS Bricklayers LtdProperty developers
- Neil Plumbing & Heating LtdPlumbers and heating engineers
- Thistle Shutters LtdJoiners and carpenters
- Ultimate Restoration LtdCleaning companies
- Walkers 101 Services LtdCivil engineering
- WCK Windows & Doors (Ayrshire) LtdJoiners and carpenters
What happens if Complex Access 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC710484
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 September 2021 (5 years ago)
- Registered office
- 1A Bank Place, Kilmarnock, KA1 1HJ
- Nature of business
- Other construction installation (SIC 43290)
Technical testing and analysis (SIC 71200) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 24 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Kilmarnock
Other active installation companies (insulation, lifts, shutters and similar) registered in Kilmarnock.
- Danyrendering Ltd2021
- Easton Property Limited1996
- External Consultancy Group Limited2015
- Fitment Limited2025
- Gilchrist Installations Limited2024
- GLH Utilities (Scotland) Limited2007
- Hodge Landscaping & Fencing Contractors Limited2026
- Home Multi Trade Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Kilmarnock · All trades in Kilmarnock · Installers across the UK
Frequently asked questions
When are Complex Access Ltd's accounts due?
Complex Access Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Complex Access Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Complex Access Ltd still trading?
Complex Access 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 Access Ltd do?
Complex Access Ltd is registered under Other construction installation (SIC 43290); Technical testing and analysis (SIC 71200).
How old is Complex Access Ltd?
Complex Access Ltd was incorporated on 25 September 2021, 5 years ago.
Who runs Complex Access Ltd?
Complex Access Ltd has 1 active director, the longest-serving appointed in Sep 2021. Their names and service addresses are on the Companies House register.
Who owns Complex Access Ltd?
One person or company has significant control of Complex Access Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Complex Access 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 Access 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.