- Companies
- Machinery repair and installation
- Southampton
- Inmar Automation Limited
Inmar Automation Limited
- Company number
- 01246028
- Incorporated
- 25 Feb 197650 years trading
- Registered office
- Test House 118 Ringwood Road, Totton, Southampton, Hampshire, SO40 8DS
- Nature of business
- Repair of electrical equipment
Inmar Automation Limited is a 50-year-old private limited company registered in Southampton, company number 01246028, one of 224 machinery repair and installation companies in Southampton. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £1,603 (-0.7%) on the year before, to £219K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £143K against £46K owed within a year: 3.1 times cover.
- 8 employees on average, up from 7 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £219K | £25K | £143K | £46K | 8 |
| 31 Oct 2023 | £221K | £51K | £155K | £52K | 7 |
| 31 Oct 2022 | £197K | £37K | £150K | £46K | 7 |
| 31 Oct 2021 | £168K | £55K | £142K | £64K | 7 |
| 31 Oct 2020 | £158K | £72K | £152K | £77K | 6 |
| 31 Oct 2019 | £122K | £52K | £126K | £36K | 5 |
| 31 Oct 2018 | £97K | £29K | £103K | £47K | |
| 31 Oct 2017 | £88K | £18K | £104K | £63K | |
| 31 Oct 2016 | £86K | £23K | £106K | £72K | |
| 31 Oct 2015 | £84K | £18K | £123K | £68K |
Where Inmar Automation Limited is registered
The registered office is in Southampton (SO40), in the New Forest local authority area, South East. Show SO40 8DS on a map.
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What happens if Inmar Automation 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 01246028
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 1976 (50 years ago)
- Registered office
- Test House 118 Ringwood Road, Totton, Southampton, Hampshire, SO40 8DS
- Nature of business
- Repair of electrical equipment (SIC 33140)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 26 October 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Southampton
Other active machinery repair and installation companies registered in Southampton.
- J D Electrical Services Limited2000
- J Hedges Limited2014
- Jag (C & I) Engineering Limited1997
- James Spencer Marine Ltd2022
- Jas Handy Solution Ltd2023
- JC Catering Equipment Services Ltd2026
- Joma (Hampshire) Limited2012
- JSR Marine Services Ltd2026
All machinery repair and installation companies in Southampton · All trades in Southampton · Machinery repair and installation across the UK
Frequently asked questions
When are Inmar Automation Limited's accounts due?
Inmar Automation Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Inmar Automation Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Inmar Automation Limited still trading?
Inmar Automation 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 Inmar Automation Limited do?
Inmar Automation Limited is registered under Repair of electrical equipment (SIC 33140).
How old is Inmar Automation Limited?
Inmar Automation Limited was incorporated on 25 February 1976, 50 years ago.
What is the penalty if Inmar Automation 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 Inmar Automation 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.