- Companies
- Electricians
- Leeds
- Instrumentation Systems & Services Limited
Instrumentation Systems & Services Limited
- Company number
- 09484815
- Incorporated
- 12 Mar 201511 years trading
- Registered office
- 3365 Century Way, Thorpe Park, Leeds, LS15 8ZB
- Nature of business
- Electrical installation
Instrumentation Systems & Services Limited is a 11-year-old private limited company registered in Leeds, company number 09484815, one of 478 electrical contractors in Leeds. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 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 £14K (-51.3%) on the year before, to £13K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £186K against £235K owed within a year: 0.8 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £13K | £15K | £186K | £235K | 7 |
| 31 May 2025 | £27K | £28K | £221K | £248K | 7 |
| 31 May 2024 | £32K | £12K | £218K | £227K | 7 |
| 31 May 2023 | £44K | £58K | £239K | £219K | 8 |
| 31 May 2022 | £47K | £42K | £204K | £205K | 8 |
| 31 May 2021 | £46K | £68K | £314K | £286K | 9 |
| 31 May 2020 | £46K | £88K | £211K | £174K | 10 |
Where Instrumentation Systems & Services Limited is registered
The registered office is in Leeds (LS15), in the Leeds local authority area, Yorkshire and The Humber. Show LS15 8ZB on a map.
Other trade companies in LS15
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- Hope Contracting LtdBuilders
- Screwllery LtdBuilders
- Gardencraft Leeds LtdLandscapers and gardeners
- J.Reuben Construction LtdBuilders
- Square Grid Ceilings LtdBuilders
- SRT Tyres LtdMotor traders
- Sabe Electrical LimitedElectricians
Also registered at this address
11 other companies use the same registered office as Instrumentation Systems & Services Limited.
- Arcon Construction LimitedBuilders
- D. Evans LimitedPainters and decorators
- DTF Commercials LtdMechanics and garages
- Hensons Decorators LimitedPainters and decorators
- N Ward & Son LimitedMechanics and garages
- Prime Sight (Yorkshire) LimitedFinishing trades
- Steele Groundworks LtdGroundworks and demolition
- Steele Plant Hire LtdCivil engineering
- Towsure LimitedMotor traders
- Towsure Products LimitedMotor traders
- Wra Industrial Paint Coatings LtdMechanics and garages
What happens if Instrumentation Systems & Services 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 09484815
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2015 (11 years ago)
- Registered office
- 3365 Century Way, Thorpe Park, Leeds, LS15 8ZB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 12 March 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
- Previous names
- SN Instrumentation Ltd (until 2 Jun 2015)
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 Leeds
Other active electrical contractors registered in Leeds.
- Integrate Home Limited2017
- Intempo Electrical Contracting Limited2020
- Irc Group - Facility's Management Solutions Ltd2026
- Irc Group - Mechanical and Electrical Solutions Ltd2024
- Irc Group Holdings Ltd2026
- Irw Engineering & Electrical Ltd2024
- Ismart Electrics Limited2020
- Itl Electrical Limited2023
All electrical contractors in Leeds · All trades in Leeds · Electricians across the UK
Frequently asked questions
When are Instrumentation Systems & Services Limited's accounts due?
Instrumentation Systems & Services Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Instrumentation Systems & Services Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Instrumentation Systems & Services Limited still trading?
Instrumentation Systems & Services 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 Instrumentation Systems & Services Limited do?
Instrumentation Systems & Services Limited is registered under Electrical installation (SIC 43210).
How old is Instrumentation Systems & Services Limited?
Instrumentation Systems & Services Limited was incorporated on 12 March 2015, 11 years ago.
What is the penalty if Instrumentation Systems & Services 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 Instrumentation Systems & Services 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.