- Companies
- Specialist contractors
- London
- Aphex Software Limited
Aphex Software Limited
- Company number
- 09681747
- Incorporated
- 13 Jul 201511 years trading
- Registered office
- Aphex Software Limited Wework, 1 Fore ST Ave, Barbican, London, EC2Y 9DT
- Nature of business
- Other specialised construction activities n.e.c.; Business and domestic software development; Information technology consultancy activities
Aphex Software Limited is a 11-year-old private limited company registered in London, company number 09681747, one of 4,318 specialist construction companies in London. 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 down £430K (-23.1%) on the year before, to £1.4M.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £2.7M against £1.3M owed within a year: 2.1 times cover.
- 11 employees on average, up from 10 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1.4M | £851K | £2.7M | £1.3M | 11 |
| 30 Jun 2024 | £1.9M | £1.8M | £2.6M | £718K | 10 |
| 30 Jun 2023 | £342K | £314K | £528K | £195K | 8 |
| 30 Jun 2022 | £117K | £37K | £280K | £172K | 7 |
| 30 Jun 2021 | £93K | £78K | £205K | £121K | 5 |
| 30 Jun 2020 | £107K | £110K | £164K | £70K | 4 |
| 31 Jul 2019 | £89K | £30K | £92K | £13K | 6 |
Where Aphex Software Limited is registered
The registered office is in London (EC2Y), in the City of London local authority area, London. Show EC2Y 9DT on a map.
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What happens if Aphex Software Limited 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
- 09681747
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2015 (11 years ago)
- Registered office
- Aphex Software Limited Wework, 1 Fore ST Ave, Barbican, London, EC2Y 9DT
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Business and domestic software development (SIC 62012)
Information technology consultancy activities (SIC 62020) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 12 July 2026
- Previous names
- Aphex Consulting Limited (until 9 Sep 2022)
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 London
Other active specialist construction companies registered in London.
- Apms Consultants Ltd2021
- Apogee NDT Services Ltd2025
- Applewood Events Limited2016
- Applix Ltd2026
- Approve Your Property Ltd2022
- Apr Property Maintenance & Heating Services Ltd2026
- Apx Lifting Solutions Ltd2025
- Aquarium Tiling Ltd2018
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Frequently asked questions
When are Aphex Software Limited's accounts due?
Aphex Software Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Aphex Software Limited'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 Aphex Software Limited still trading?
Aphex Software Limited 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 Aphex Software Limited do?
Aphex Software Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Business and domestic software development (SIC 62012); Information technology consultancy activities (SIC 62020).
How old is Aphex Software Limited?
Aphex Software Limited was incorporated on 13 July 2015, 11 years ago.
What is the penalty if Aphex Software Limited 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 Aphex Software Limited 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.