- Companies
- Electricians
- Sunderland
- Integrated Site Systems Limited
Integrated Site Systems Limited
- Company number
- 17319259
- Incorporated
- 4 Jul 2026
- Registered office
- Regus House 4 Admiral Way, Doxford International Business Park, Sunderland, SR3 3XW
- Nature of business
- Electrical installation; Engineering design activities for industrial process and production
Integrated Site Systems Limited is a newly incorporated private limited company registered in Sunderland, company number 17319259, one of 97 electrical contractors in Sunderland. Its next accounts are due at Companies House on 4 April 2028, and its first CT600 is due at HMRC on 3 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Integrated Site Systems Limited is registered
The registered office is in Sunderland (SR3), in the Sunderland local authority area, North East. Show SR3 3XW on a map.
Other trade companies in SR3
- Independant Living Interiors LimitedPlumbers and heating engineers
- Iac Wind LtdCivil engineering
- ML Construct Investments LimitedFinishing trades
- Fairweather Joinery LtdJoiners and carpenters
- Solar Airflow LtdPlumbers and heating engineers
- Rob’S Carwash LtdMechanics and garages
- Aurelo Property Holdings LimitedProperty developers
- Wearside Odd Jobs LtdSpecialist contractors
Also registered at this address
7 other companies use the same registered office as Integrated Site Systems Limited.
- Aurelo Group LimitedProperty developers
- Aurelo Property Holdings LimitedProperty developers
- Bermich Horseboxes LtdMechanics and garages
- CSM Trade Ne LtdFinishing trades
- Fedash Real Estates LimitedProperty developers
- Northwind Technical Services LtdMachinery repair and installation
- Talking Houses (Ne) LtdFinishing trades
What happens if Integrated Site Systems 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 4 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Apr 2028 to 4 May 2028 | £150 |
| 1 to 3 months late | 5 May 2028 to 4 Jul 2028 | £375 |
| 3 to 6 months late | 5 Jul 2028 to 4 Oct 2028 | £750 |
| More than 6 months late | From 5 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17319259
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 2026
- Registered office
- Regus House 4 Admiral Way, Doxford International Business Park, Sunderland, SR3 3XW
- Nature of business
- Electrical installation (SIC 43210)
Engineering design activities for industrial process and production (SIC 71121) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sunderland
Other active electrical contractors registered in Sunderland.
- Integrity Building Services Limited2024
- Intelex Ltd2012
- Iter Group Limited2026
- J Carman Electrical Services Ltd2022
- JH Jointing Ltd2021
- Joe Dowell & Sons Electrical Ltd2022
- JSB Services Ne Limited2025
- JT Electrical Contractors Ltd2022
All electrical contractors in Sunderland · All trades in Sunderland · Electricians across the UK
Frequently asked questions
When are Integrated Site Systems Limited's accounts due?
Integrated Site Systems Limited's next accounts are due at Companies House by 4 April 2028 (in 539 days), covering the period to 30 September 2027.
When is Integrated Site Systems 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 3 July 2027, due by 3 July 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Integrated Site Systems Limited still trading?
Integrated Site Systems 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 Integrated Site Systems Limited do?
Integrated Site Systems Limited is registered under Electrical installation (SIC 43210); Engineering design activities for industrial process and production (SIC 71121).
How old is Integrated Site Systems Limited?
Integrated Site Systems Limited was incorporated on 4 July 2026, less than a year ago.
What is the penalty if Integrated Site Systems 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 Integrated Site Systems 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.