ATC SYSTEMS LIMITED
Active Company number NI035553
ATC SYSTEMS LIMITED (company number NI035553) is a private limited company incorporated on 8 February 1999. Its status on the Companies House register is Active. Its registered office is in Newtownabbey, BT36 4EW. Its nature of business (SIC 2007) is manufacture of central heating radiators and boilers (25210). Its latest accounts we hold, for the period ending 30 April 2025, report turnover of £8.1m and net assets of £8.7m.
Source: Companies House register, as at 1 April 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on ATC SYSTEMS LIMITED (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score: with the reasons behind the score
- Red flags: and what changed in the last 12 months
- Key figures: the accounts to 30 Apr 2025 against the year before
- Filing deadlines: accounts due 31 Jan 2027; confirmation statement due 21 Feb 2027
- Financials ledger: 6 years of filed accounts held (2020–2025)
- Who runs and owns it: 1 PSC
- Shareholders: the current register from the filings: each holder, class, shares and percentage
- Charges: 0 outstanding of 5 charges registered
- Filing history and methodology: with sources and a disclaimer
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Company details
- Company number
- NI035553
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 8 February 1999
- Country of origin
- United Kingdom
- Registered office
- 3 ENTERPRISE WAY
MALLUSK
NEWTOWNABBEY
CO ANTRIM
BT36 4EW
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 April
- Accounts category
- MEDIUM
- Accounts last made up to
- 30 April 2025
- Next accounts due
- 31 January 2027
- Confirmation statement last made up to
- 7 February 2026
- Next confirmation statement due
- 21 February 2027
Financial summary
| Period ending | 30 April 2025 | 30 April 2024 | 30 April 2023 | 30 April 2022 | 30 April 2021 | 30 April 2020 |
|---|---|---|---|---|---|---|
| Turnover | £8.1m | £7.9m | £7.9m | £6.3m | £5.7m | £5.9m |
| Gross profit | £2.7m | £2.4m | £2.6m | £1.6m | £1.4m | £1.6m |
| Operating profit | £1.8m | £1.1m | £822k | £449k | £124k | £329k |
| Profit before tax | £1.8m | £1.1m | £827k | £451k | £126k | £330k |
| Profit after tax | £1.5m | £842k | £586k | £421k | £106k | £262k |
| Total assets | £15.1m | £16.5m | £15.7m | £15.1m | £13.6m | £13.2m |
| Cash at bank | £3.1m | £2.2m | £2.1m | £2.0m | £2.0m | £1.9m |
| Current liabilities | £6.4m | £6.2m | £5.8m | £5.8m | £4.8m | £4.4m |
| Net current assets | £8.6m | £8.7m | £8.3m | £7.8m | £7.4m | £7.5m |
| Total liabilities | £6.4m | — | — | — | — | — |
| Net assets | £8.7m | £10.3m | £9.9m | £9.3m | £8.9m | £8.7m |
| Employees | 69 | 61 | 64 | 61 | 59 | 55 |
—: no figure read from the filing.
Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (10 including ceased)
- Corporate controllers
- Manach Limited
- Charges (mortgages)
- 5 registered, 0 outstanding, 5 satisfied
Questions about ATC SYSTEMS LIMITED
Is ATC SYSTEMS LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 1 April 2026.)
When was ATC SYSTEMS LIMITED incorporated?
ATC SYSTEMS LIMITED was incorporated on 8 February 1999, according to the Companies House register. (Companies House register, as at 1 April 2026.)
Where is ATC SYSTEMS LIMITED registered?
Its registered office is in Newtownabbey, BT36 4EW. (Companies House register, as at 1 April 2026.)
Who controls ATC SYSTEMS LIMITED?
The register lists 1 current person with significant control (10 including those who have ceased). Corporate controllers named on the register: Manach Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/NI035553/persons-with-significant-control. (Companies House register, as at 1 April 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are ATC SYSTEMS LIMITED's next accounts due?
The register shows the next accounts as due by 31 January 2027. Its latest accounts on the register were made up to 30 April 2025. (Companies House register, as at 1 April 2026.)
Does ATC SYSTEMS LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Medium company accounts”, made up to 30 April 2025. (Companies House register, as at 1 April 2026.) What a dormant company is and what it must file
Does ATC SYSTEMS LIMITED have any charges registered against it?
Yes. The register shows 5 charges: 0 outstanding and 5 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/NI035553/charges. (Companies House register, as at 1 April 2026.) Company charges: what a mortgage or debenture means and how to read one
Is ATC SYSTEMS LIMITED on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 9 October 2026. A name screen is not legal clearance.
Related companies
More manufacture of central heating radiators and boilers companies
- STELRAD GROUP PLC
- KOHLER SHOWERS HOLDINGS LIMITED
- WARMFLOW ENGINEERING CO.LIMITED
- SMITH'S ENVIRONMENTAL PRODUCTS LIMITED
- AA HEATING GROUP LTD
- DKP PLUMBING & HEATING LIMITED
- BIACO LIMITED
- HOMEQ MAINTENANCE LIMITED
Industry overview: 194 active companies in SIC 25210
Other active companies registered at BT36 4EW
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “ATC SYSTEMS”. Each is a separate legal entity from ATC SYSTEMS LIMITED: check the registered number before relying on a name. Register data as at 1 April 2026.
- ATC SYSTEMS (INTERNATIONAL) LIMITED (Company, Active, London; 06924282)
- ATC SYSTEMS (INTERNATIONAL) LIMITED PARTNERSHIP (Limited partnership, Active, Bristol; LP013682)
- ATC SYSTEMS ENTERPRISES LLP (Limited liability partnership, Active, London; OC375065)
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Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Use this data
Official register entry: ATC SYSTEMS LIMITED on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/NI035553 — see the API documentation and pricing.