What ATC Systems does

ATC Systems Ltd is a Northern Ireland-headquartered Building Energy Management Systems (BEMS) specialist operating across the UK and Republic of Ireland, founded in 1978 as Automatic Temperature Controls Limited and rebranded in 1999. The company designs, manufactures, installs, commissions and maintains intelligent control systems for HVAC, lighting, energy and integrated building services, serving healthcare trusts, universities, commercial property operators, hospitality groups and industrial facilities. Its 60+ person team includes 30+ certified field engineers providing planned and reactive maintenance with 24/7 emergency cover, supported by regional offices in Dublin (opened May 2021) and Derry/Londonderry alongside the Mallusk, Newtownabbey headquarters and manufacturing facility.

ATC's core technology stack spans Trend (IQ Vision, IQ4E), Siemens Desigo/PXC, Tridium Niagara 4, Belimo, iSMA and Danfoss platforms, delivered alongside in-house designed and manufactured control panels and Motor Control Centres (MCCs). Differentiated capabilities include Master Systems Integration unifying HVAC, lighting, fire and security on open protocols, energy Monitoring & Targeting (M&T) software with sub-metering, cloud-hosted BEMS supervision, BEMS analytics for predictive maintenance, and outsourced Bureau Services. The company holds exclusive territory as the sole Trend Approved Partner for Northern Ireland, and is ISO 9001:2015 and OHSAS 18001:2007 certified.

The business operates an enterprise field-sales motion through direct engagement with end customers and via main contractors (e.g., Farrans Sacyr JV, Graham BAM) and M&E subcontractors (e.g., Dowds Group, Vaughan Group) on new-build and retrofit construction projects. Revenue is generated across four streams: BEMS hardware and project sales, installation and commissioning professional services, recurring service and maintenance managed-services contracts, and subscription-based energy management solutions. Pricing is project-based and quote-driven with no publicly disclosed tiers, and customer outcomes emphasize energy efficiency, lifecycle modernisation of legacy systems and multi-site remote visibility for building operators.

Name

ATC Systems

Legal name

ATC Systems Limited

Website

https://atc-systems-ltd.com

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

51–100 employees

Short description

ATC Systems Ltd is a Northern Ireland-headquartered specialist in Building Energy Management Systems (BEMS), designing, manufacturing, installing and maintaining intelligent HVAC, lighting and energy controls across the UK and Ireland for healthcare, education, commercial and industrial clients.

Ownership category

akta.pro rank

Product category

Building Energy Management Systems (BEMS)

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Plumbing, Heating, and Air-Conditioning Contractors (238220), Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Electronic & Other Electrical Equipment (No Computer Equip) (3600), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Building Thermal Controls & Building Management Systems (HVAC BMS) (IMAHAKAK)

akta.pro secondary industries

HVAC Controls & Optimization (Smart Thermostats, VAV, Chillers/Boilers Controls) (BPABAGAB), HVAC Service, Maintenance & Repair (BPABACAA), Building Management & Facility Control Systems (BMS/BAS, Power Monitoring, EPMS) (EUAEAFAJ)

Keywords

• Building energy management systems
• BEMS design and installation
• HVAC control systems
• Building automation integration
• Energy monitoring solutions

Headquarters

HQ city

Newtownabbey

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. BEMS Systems & Hardware Sales: Design, manufacture, and supply of Building Energy Management Systems, control panels, Motor Control Centres, and associated hardware for new build and retrofit projects. Revenue is project-based, typically through main contractors and M&E subcontractors.
2. Installation & Commissioning Services: Professional services including installation, commissioning, and project delivery of BEMS across various sectors including healthcare, education, retail, hospitality, and industrial.
3. Service & Maintenance Contracts: Ongoing service agreements providing planned and reactive maintenance, remote diagnostics, and emergency call-out services. Includes 24/7 emergency cover option.
4. Energy Management Solutions: Sub-metering installation, energy surveys, monitoring & targeting software, and cloud-based monitoring and billing solutions.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

ATC Systems designs, manufactures, installs, and services Building Energy Management Systems (BEMS/BMS) for HVAC, lighting, energy, and building services integration across the UK and Ireland. Their offering spans new build projects, planned and reactive service and maintenance, legacy system retrofits, energy metering and monitoring, master systems integration, and cloud-hosted remote Bureau and analytics services. The company produces custom control panels and Motor Control Centres in-house at its Mallusk, Newtownabbey headquarters.

Product overview

ATC Systems offers a comprehensive portfolio of building control solutions centered on its Smart BEMS (Building Energy Management System) platform. The core offering consists of complete BEMS solutions that integrate with industry-standard platforms including Trend (IQ Vision, IQ4E), Siemens (Desigo, PXC), Tridium Niagara 4, Belimo, iSMA, and Danfoss. The portfolio spans six integrated service lines: New Build Solutions (design, installation, and control panel manufacturing), Service & Maintenance (24/7 support with over 30 engineers), Service Projects (legacy upgrades and retrofits), Energy Management & Metering (monitoring, targeting, and analytics), Systems Integration (Master Systems Integration unifying HVAC, lighting, fire, and security), and Remote Solutions (cloud hosting, bureau services, and BEMS analytics). ATC operates as both a systems integrator and authorized technology partner, delivering solutions across Healthcare, Education, Retail, Hospitality, and Industrial sectors in the UK and Ireland.

Differentiator

Problem solved

Functional benefit

Products and services

• Smart BEMS Building Energy Management System providing intelligent control for buildings, managing HVAC, lighting, fire, access and energy systems. ATC delivers complete BEMS solutions including design, installation, commissioning, and support across new build and retrofit projects for enterprise customers in healthcare, education, hospitality, retail, commercial, and industrial sectors.
• New Build Solutions Complete BEMS and control panel solutions for new developments across Healthcare, Education, Pharmaceutical, Retail, Commercial, Hotel, and Leisure sectors, featuring in-house design and manufacturing capabilities delivered by ATC's engineering team.
• Service & Maintenance Planned and reactive maintenance, remote diagnostics, and 24/7 emergency call-out support with over 30 site-based engineers, including BEMS commissioning for enterprise customers across the UK and Ireland.
• Service Projects Legacy system upgrades, retrofits, and lifecycle modernisation including cybersecurity mitigation, modern user interfaces, and performance optimisation for obsolete or unsupported building control systems.
• Energy Management & Metering Sub-metering, energy surveys, and Monitoring & Targeting software solutions using Trend IQ Vision BEMS and IQ Energy Manager. Includes cloud-based monitoring, billing solutions, and real-time energy display dashboards.
• Systems Integration Master Systems Integration unifying HVAC, lighting, energy, fire and security systems using open-protocol communication into a single intelligent network with centralised control.
• Remote Solutions Cloud-hosted BEMS supervisor access, outsourced Bureau Services (fault detection, analytics, alarm management, reporting), energy monitoring, and BEMS analytics for predictive maintenance and optimisation.
• Control Panel Design & Manufacture Custom control panels and Motor Control Centres designed and manufactured at ATC's Mallusk facility, including small wall-mounted units, large floor-standing enclosures, and operator consoles.

Quantifiable outcome

• Energy savings through sub-metering and M&T software - Finnebrogue Artisan achieved seamless changeover with impressive system performance
• +2 more outcomes

Named customers12 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Five partnerships are on record, tiered core.

• JBC Control SystemscoreStrategic or Co-development PartnerJBC Control Systems provides extensive experience in control system design, construction of control panels, and motor control centres. Capabilities include small wall-mounted units, large floor-standing enclosures, motor and drive control centres, and custom-built operator consoles. Located in Manchester, England.
• Trend (Honeywell)coreTechnology or IntegrationATC is the only approved Trend Technology Partner in Northern Ireland, a relationship dating back to the late 1980s when they installed some of the first IQ150 systems in the UK. ATC has been re-appointed as Trend Approved Partner (TAP) for Northern Ireland for multiple terms.
• SiemenscoreTechnology or IntegrationATC is an official Siemens Solutions Partner with a long-standing history dating from the early days of Steafa Controls and Landis & Gyr to today's advanced Desigo platform. Successfully delivered projects for clients such as Tesco Ireland and Bausch & Lomb using the PXC product range.
• TridiumcoreTechnology or IntegrationATC is a certified Tridium Partner with multiple Niagara 4-trained engineers. Tridium develops the Niagara Framework, a powerful software platform for connected products and device-to-enterprise integration enabling open-protocol connectivity and secure data management across smart buildings.
• DanfosscoreTechnology or IntegrationATC is an HVAC System Partner with Danfoss, a relationship enduring since the early 1990s. Danfoss is the recommended partner for high-performance variable speed drive solutions, delivering energy-efficient, reliable, and scalable drive systems.

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Johnson Controls: Global smart buildings incumbent offering the Metasys BMS platform and integrated services across commercial, healthcare, and industrial facilities. Competes with ATC for mid- and large-scale BMS projects and service contracts.
• Automated Logic Corporation: Carrier-owned BMS platform vendor with strong North American presence and growing UK/European footprint. Overlaps ATC in mid-market BEMS, particularly for HVAC integration and energy optimisation.
• Schneider Electric (EcoStruxure Building): Global building automation incumbent offering EcoStruxure BMS platforms and integrated energy management solutions across commercial, healthcare, and industrial buildings. Overlaps ATC's product/market but at much larger scale and broader portfolio.
• Siemens Smart Infrastructure: Global BMS and smart-building incumbent offering the Desigo and PXC platforms that ATC integrates. Competes for large enterprise BMS tenders in healthcare, education, and commercial real estate across UK/Ireland.
• Honeywell Building Technologies (Trend): Global BMS incumbent and owner of the Trend Control Systems platform that ATC integrates. Serves the same end markets with direct vendor capability and a global channel — overlapping with ATC but not specialising in UK/Ireland regional delivery.

Others

• Tridium: Developer of the Niagara Framework — the open-protocol BEMS integration platform certified at ATC. Serves as a strategic technology enabler for ATC rather than a direct competitor, but its ecosystem of certified integrators competes for the same downstream projects.
• Belimo: Global supplier of HVAC control valves, actuators, and sensors. A component supplier and partner to ATC rather than a direct competitor, but a key input into ATC's BEMS installations.

Direct peers

• Cylon Controls: Ireland-based building energy management systems specialist with a similar mid-sized integrator profile, serving commercial and public-sector buildings. Acquired by Schneider Electric but historically operated as a comparable regional BEMS integrator to ATC.

Emerging players

• Distech Controls: Mid-sized BMS vendor offering Eclypse and Smart Room Controls with growing European channel presence. Competes in similar mid-market BEMS opportunities with a more software-led, IP-based approach than ATC's integrator-led model.
• Delta Controls: Canadian-headquartered BMS vendor with enteliBUS and Red5 platforms, expanding into the UK/European mid-market. Targets similar healthcare, education, and commercial segments as ATC with an OEM-style sales model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/atc-systems-limited

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ATC Systems