- Companies
- Electricians
- Maidenhead
- Trinity Controls Integrated Services Ltd
Trinity Controls Integrated Services Ltd
- Company number
- 15365224
- Incorporated
- 20 Dec 20232 years trading
- Registered office
- 11 Castle Hill, Maidenhead, Berkshire, SL6 4AA
- Nature of business
- Electrical installation
Trinity Controls Integrated Services Ltd is a 2-year-old private limited company registered in Maidenhead, company number 15365224, one of 62 electrical contractors in Maidenhead. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
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 up £34K (+117.6%) on the year before, to £62K.
- Current assets of £79K against £17K owed within a year: 4.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £62K | £61K | £79K | £17K | 0 |
| 31 Dec 2024 | £29K | £40K | £41K | £12K | 0 |
Where Trinity Controls Integrated Services Ltd is registered
The registered office is in Maidenhead (SL6), in the Windsor and Maidenhead local authority area, South East. Show SL6 4AA on a map.
Other trade companies in SL6
- B&M Cleaning Solutions LtdCleaning companies
- CC Garden Builds LtdBuilders
- Austin Groundwork Surfaces LimitedGroundworks and demolition
- Woodnest Interiors LtdJoiners and carpenters
- Carizmatic Company LimitedMotor traders
- Sakura Electrical LtdElectricians
- Elite Autos & Tyres LtdMotor traders
- Bigfrith End LtdSpecialist contractors
Shared registered office
51 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Trinity Controls Integrated 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15365224
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 December 2023 (2 years ago)
- Registered office
- 11 Castle Hill, Maidenhead, Berkshire, SL6 4AA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 19 December 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 Maidenhead
Other active electrical contractors registered in Maidenhead.
- Trinity Controls Limited2002
- Visualization Limited2005
- Whitelyte Limited2022
- Whitfield Electrical Services Limited2018
- WRD Electrical Ltd2022
- A4 Electrical Services Ltd2003
- Active Electrical Services Limited2002
- Apex Engineering and Controls Ltd2026
All electrical contractors in Maidenhead · All trades in Maidenhead · Electricians across the UK
Frequently asked questions
When are Trinity Controls Integrated Services Ltd's accounts due?
Trinity Controls Integrated Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Trinity Controls Integrated Services Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Trinity Controls Integrated Services Ltd still trading?
Trinity Controls Integrated 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 Trinity Controls Integrated Services Ltd do?
Trinity Controls Integrated Services Ltd is registered under Electrical installation (SIC 43210).
How old is Trinity Controls Integrated Services Ltd?
Trinity Controls Integrated Services Ltd was incorporated on 20 December 2023, 2 years ago.
What is the penalty if Trinity Controls Integrated 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 Trinity Controls Integrated 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.