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- Machinery repair and installation
- St Neots
- Index Systems Ltd.
Company profile · Machinery repair and installation
Index Systems Ltd.
Index Systems Ltd. is a 22-year-old private limited company registered in St Neots, company number 05037895, one of 5 machinery repair and installation companies in St Neots. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 January 2025, as filed at Companies House.
Index Systems Ltd. over the years
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 £20K (-98.7%) on the year before, to £262.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £3,771 against £3,247 owed within a year: 1.2 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £262 | £3,771 | £3,247 | 1 | |
| 31 Jan 2024 | £20K | £27K | £5,112 | 2 | |
| 31 Jan 2023 | £33K | £44K | £9,460 | 2 | |
| 31 Jan 2022 | £9,186 | £14K | £4,637 | 2 | |
| 31 Jan 2021 | £7,718 | £9,221 | £1,613 | 2 | |
| 31 Jan 2020 | £17K | £18K | £633 | 2 | |
| 31 Jan 2019 | £152 | £6,276 | £6,305 | ||
| 31 Jan 2018 | £7,080 | £14K | £7,738 | ||
| 31 Jan 2017 | £1,618 | £3,151 | £3,068 | ||
| 31 Jan 2016 | £7,232 | £9,541 | £3,843 |
Where Index Systems Ltd. is registered
The registered office is in St Neots (PE19), in the Huntingdonshire local authority area, East of England. Show PE19 5SN on a map.
Other trade companies in PE19
- JNW Plumbing Services LimitedPlumbers and heating engineers
- Sa Special Works LtdFinishing trades
- Cambridgedecorator LtdPainters and decorators
- ST Neots Tyre Warehouse LimitedMechanics and garages
- Raed Historic Building Conservation LtdBuilders
- GC Services (Newco) LimitedFinishing trades
- 4Front Technologies LimitedElectricians
- Duke Build LtdBuilders
What happens if Index Systems 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 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
- 05037895
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2004 (22 years ago)
- Registered office
- 137 Mill Road, Buckden, St Neots, Cambridgeshire, PE19 5SN
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 25 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 St Neots
Other active machinery repair and installation companies registered in St Neots.
- RWW Aviation Ltd2020
- The Biz (ST.Neots) Limited2002
- D.E.L.A.R.O.M Automation & Control Services Ltd2019
- Graveley Garage Test Centre Limited2009
All machinery repair and installation companies in St Neots · All trades in St Neots · Machinery repair and installation across the UK
Frequently asked questions
When are Index Systems Ltd.'s accounts due?
Index Systems Ltd.'s next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Index Systems Ltd.'s CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Index Systems Ltd. still trading?
Index Systems 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 Index Systems Ltd. do?
Index Systems Ltd. is registered under Repair of machinery (SIC 33120).
How old is Index Systems Ltd.?
Index Systems Ltd. was incorporated on 9 February 2004, 22 years ago.
What is the penalty if Index Systems 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 Index Systems 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.