- Companies
- Electricians
- Coleraine
- Advanced Overwatch Limited
Advanced Overwatch Limited
- Company number
- NI644972
- Incorporated
- 3 Apr 20179 years trading
- Registered office
- 1ST Floor Beresford House, 2 Beresford Road, Coleraine, BT52 1GE
- Nature of business
- Electrical installation; Computer facilities management activities; Private security activities; Security systems service activities
Advanced Overwatch Limited is a 9-year-old private limited company registered in Coleraine, company number NI644972, one of 16 electrical contractors in Coleraine. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £37K on the year before, to £37K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £195K against £178K owed within a year: 1.1 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £37K | £195K | £178K | 5 | |
| 30 Sep 2024 | £476 | £124K | £143K | 5 | |
| 30 Sep 2023 | £1,069 | £118K | £123K | 8 | |
| 30 Sep 2022 | £1,035 | £94K | £102K | 10 | |
| 30 Sep 2021 | £4,881 | £173K | £176K | 8 | |
| 30 Sep 2020 | £16K | £126K | £117K | 7 | |
| 30 Sep 2019 | £28K | £47K | £72K | 7 | |
| 30 Sep 2018 | £33K | £1,993 | £24K |
Who runs and owns Advanced Overwatch Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| P*** L*** | Director | Aug 2017 |
6 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| D*** A*** | Director | Mar 2019 | Aug 2024 |
| K*** F*** | Director | Aug 2017 | Jul 2020 |
| E*** M*** | Director | Jul 2017 | Nov 2017 |
| J*** M*** | Director | Apr 2017 | Jul 2017 |
| A*** W*** | Director | Aug 2017 | Apr 2018 |
| Url Results Limited | Director (company) | Apr 2017 | Aug 2017 |
Person with significant control
Public contracts won
Advanced Overwatch Limited has one public sector contract award on record; the ones with their own published value total £234K (2026). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| The University of Ulster | CCTV Maintenance Services | £234K | 9 Jun 2026 |
Where Advanced Overwatch Limited is registered
The registered office is in Coleraine (BT52), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT52 1GE on a map.
Other trade companies in BT52
- CBMS LimitedFacilities management
- Old Market Vans (Coleraine) LtdMotor traders
- Epj Developments LtdProperty developers
- Cbin Developments LimitedProperty developers
- Kian Construction Group LtdSpecialist contractors
- Royeir LtdSpecialist contractors
- Gowiththeflowbathrooms LtdInstallers
- Causeway Pest Control LtdCleaning companies
What happens if Advanced Overwatch 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- NI644972
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 April 2017 (9 years ago)
- Registered office
- 1ST Floor Beresford House, 2 Beresford Road, Coleraine, BT52 1GE
- Nature of business
- Electrical installation (SIC 43210)
Computer facilities management activities (SIC 62030)
Private security activities (SIC 80100)
Security systems service activities (SIC 80200) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 5 January 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 Coleraine
Other active electrical contractors registered in Coleraine.
- Classic Lighting Limited2016
- DMMF Services Ltd2021
- Drumharvey Limited2011
- Dunbar Electrics Limited2023
- Dunlerin Electrical Limited2021
- Glebe Electrics Limited2018
- Gortfad Electrical Ltd2007
- JML Electrical (N.I.) Limited2024
All electrical contractors in Coleraine · All trades in Coleraine · Electricians across the UK
Frequently asked questions
When are Advanced Overwatch Limited's accounts due?
Advanced Overwatch Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Advanced Overwatch Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Advanced Overwatch Limited still trading?
Advanced Overwatch 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 Advanced Overwatch Limited do?
Advanced Overwatch Limited is registered under Electrical installation (SIC 43210); Computer facilities management activities (SIC 62030); Private security activities (SIC 80100); Security systems service activities (SIC 80200).
How old is Advanced Overwatch Limited?
Advanced Overwatch Limited was incorporated on 3 April 2017, 9 years ago.
Who runs Advanced Overwatch Limited?
Advanced Overwatch Limited has 1 active director, the longest-serving appointed in Aug 2017. Their names and service addresses are on the Companies House register.
Who owns Advanced Overwatch Limited?
One person or company has significant control of Advanced Overwatch Limited: an individual (owns 75% or more of the shares).
Has Advanced Overwatch Limited won public sector contracts?
Yes. Advanced Overwatch Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £234K), most recently from THE UNIVERSITY OF ULSTER.
What is the penalty if Advanced Overwatch 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 Advanced Overwatch 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.