- Companies
- Electricians
- Middlesbrough
- International Instrument Services Ltd
International Instrument Services Ltd
- Company number
- 14978812
- Incorporated
- 4 Jul 20233 years trading
- Registered office
- 11 Newbank Close, Middlesbrough, TS7 9EY
- Nature of business
- Electrical installation
International Instrument Services Ltd is a 3-year-old private limited company registered in Middlesbrough, company number 14978812, one of 145 electrical contractors in Middlesbrough. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 2028.
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 £3,560 (-88.3%) on the year before, to £470.
- Current assets of £14K against £14K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | £470 | £14K | £14K | 2 | |
| 31 Jul 2025 | £4,030 | £7,520 | £12K | 2 | |
| 31 Jul 2024 | £7,254 | £1,125 | £8,379 | 2 |
Where International Instrument Services Ltd is registered
The registered office is in Middlesbrough (TS7), in the Redcar and Cleveland local authority area, North East. Show TS7 9EY on a map.
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What happens if International Instrument Services 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 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 14978812
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 2023 (3 years ago)
- Registered office
- 11 Newbank Close, Middlesbrough, TS7 9EY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 3 July 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Middlesbrough
Other active electrical contractors registered in Middlesbrough.
- J Cosker Ltd2025
- J&J Electrical (Ne) Ltd2013
- Jac Endeavours Ltd2025
- Jake Electrical Engineering Contractors Ltd2019
- Jason Scanlon Electrical Contractors Ltd2013
- JDR Electrical Services Limited2025
- JF North East Electrical Ltd2024
- JJS Engineering (Ne) Ltd2026
All electrical contractors in Middlesbrough · All trades in Middlesbrough · Electricians across the UK
Frequently asked questions
When are International Instrument Services Ltd's accounts due?
International Instrument Services Ltd's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is International Instrument Services Ltd's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is International Instrument Services Ltd still trading?
International Instrument Services 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 International Instrument Services Ltd do?
International Instrument Services Ltd is registered under Electrical installation (SIC 43210).
How old is International Instrument Services Ltd?
International Instrument Services Ltd was incorporated on 4 July 2023, 3 years ago.
What is the penalty if International Instrument Services 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 International Instrument Services 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.