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- Interop Solutions Ltd
Company profile · Electricians
Interop Solutions Ltd
Interop Solutions Ltd is a 11-year-old private limited company registered in Sutton, company number 09819176, one of 99 electrical contractors in Sutton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 March 2025, as filed at Companies House.
Interop Solutions 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 £29K (-91.6%) on the year before, to £2,689.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2,689 | £2,412 | £19K | 1 | |
| 31 Mar 2024 | £32K | £10K | £17K | 1 | |
| 31 Oct 2018 | £1,000 | ||||
| 31 Oct 2017 | £1,000 | ||||
| 31 Oct 2016 | £1,000 |
Who runs and owns Interop Solutions Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| P*** C*** | Director | Oct 2015 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** H*** | Director | Oct 2015 | Oct 2021 |
Person with significant control
Where Interop Solutions Ltd is registered
The registered office is in Sutton (SM2), in the Sutton local authority area, London. Show SM2 5DA on a map.
Other trade companies in SM2
- Stent Projects London LtdBuilders
- Ry Rigging Services LtdInstallers
- JP Plumbing, Heating & Drainage Solutions LtdPlumbers and heating engineers
- MR & Sons Roofing & Building LtdBuilders
- Velora Facilities LimitedCleaning companies
- Sparkle Shark LtdCleaning companies
- GL Building Solutions LtdBuilders
- Bespoke Air Design and Installation LimitedPlumbers and heating engineers
Also registered at this address
3 other companies use the same registered office as Interop Solutions Ltd.
- F&E Support Services LtdFacilities management
- Quills FM LimitedFinishing trades
- TJCB Properties LimitedBuilders
What happens if Interop Solutions 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09819176
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 October 2015 (11 years ago)
- Registered office
- Salatin House, 19, Cedar Road, Sutton, Surrey, SM2 5DA
- Nature of business
- Electrical installation (SIC 43210)
Business and domestic software development (SIC 62012)
Information technology consultancy activities (SIC 62020)
Data processing, hosting and related activities (SIC 63110) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 October 2025
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 Sutton
Other active electrical contractors registered in Sutton.
- Izz Tech Ltd2024
- J S Clarke Electrical Limited2003
- J White Technical Services Ltd2019
- J. Phillips Electrical Contractors Limited2003
- JC Electrical Surrey Ltd2024
- Jinda Singh Construction Ltd2024
- Josh Patrick Electrical Services Ltd2025
- KPFP Ltd2003
All electrical contractors in Sutton · All trades in Sutton · Electricians across the UK
Frequently asked questions
When are Interop Solutions Ltd's accounts due?
Interop Solutions Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Interop Solutions Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Interop Solutions Ltd still trading?
Interop Solutions 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 Interop Solutions Ltd do?
Interop Solutions Ltd is registered under Electrical installation (SIC 43210); Business and domestic software development (SIC 62012); Information technology consultancy activities (SIC 62020); Data processing, hosting and related activities (SIC 63110).
How old is Interop Solutions Ltd?
Interop Solutions Ltd was incorporated on 12 October 2015, 11 years ago.
Who runs Interop Solutions Ltd?
Interop Solutions Ltd has 1 active director, the longest-serving appointed in Oct 2015. Their names and service addresses are on the Companies House register.
Who owns Interop Solutions Ltd?
One person or company has significant control of Interop Solutions Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Interop Solutions 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 Interop Solutions Ltd on Companies House for filed documents, officers and the full history.
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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.