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Top IT Companies in Belfast (124)

Puppet
Information Technology • Software
17 Offices
530 Employees
20 Benefits

Puppet is an information technology automation software company designed for system administrators.

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Puppet
Interface
Information Technology • Software
17 Offices
4 Employees
36 Benefits

Interface is a frontier research lab focused on high-fidelity human and object simulation. We build systems that model appearance, behavior, and interaction for world-model research. Founded by MIT graduates and backed by Y Combinator, we’re a deep-tech company in graphics, machine learning, and simulation.

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Interface
B-Secur
Information Technology • Consulting
Belfast
76 Employees

B-Secur is a heart health technology company. Founded in Belfast, Northern Ireland, we are on a mission to save and improve millions of lives each year by advancing heart health technology that brings greater clarity to EKG interpretation with better data and deeper insights. We spent many years immersed in deep scientific research in EKG biometric security. This led us...

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B-Secur
ISDM Solutions
Cloud • Information Technology
5 Offices
53 Employees

ISDM Solutions is a systems integration, management and cloud video service provider, specialising in the delivery of AV and VC projects. We have the benefit of over 20 years in project management at Prince2 practitioner standards, where we are able to apply best practices in our delivery methodology. Our team are technically knowledgeable and has vast experience in ensuring our...

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ISDM Solutions
prosource.it
Information Technology
2 Offices
371 Employees

prosource.it is a managed IT services provider with a particular focus on infrastructure, operational and project requirements across the corporate enterprise market. We serve Fortune 500 and FTSE250 companies, major financial institutions, and leading private companies concentrated in oil & gas, manufacturing, transportation, media, insurance and finance. With significant investment in PRINCE2, PMI and ITIL accreditation, our workforce has over...

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prosource.it
Accelerite
Big Data • eCommerce • Information Technology • Internet of Things • Software • Analytics
Belfast
24 Employees

Accelerite is a Silicon Valley based company delivering secure business-critical infrastructure software for Global 1000 enterprises. Accelerite's product suite includes hybrid cloud infrastructure, endpoint security, risk-based authentication, big data analytics, and the Internet of Things. Accelerite is a wholly owned business of Persistent Systems (BSE & NSE: PERSISTENT), a global leader in software product development and technology services. Learn more...

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Accelerite
Aztech IT Solutions
Information Technology • Cybersecurity
2 Offices
61 Employees
4 Benefits

Aztech IT Solutions is trusted by more than one hundred growing businesses across the UK to deliver professional, proactive IT support services. Aztech provides the IT support and consultancy services that enable organisations to operate more efficiently, safe in the knowledge that their IT systems are optimised and proactively managed. Your IT partner should work as hard to improve your...

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Aztech IT Solutions
HUMAIN
Information Technology
2 Offices
1,000 Employees

Empowering the future of AI, from leading AI infrastructure to advanced intelligence. Our approach unites scalable infrastructure, multimodal foundation models, and applied intelligence to drive real-world change. Spanning the entire AI value chain—from next generation AI data centers, advanced AI infrastructure and cloud, cutting-edge data AI models, to leading AI applications and solutions. What sets us apart is our unwavering commitment...

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HUMAIN
QBE LLC
Information Technology • Professional Services • Consulting • Defense
50 Offices
66 Employees

QBE LLC is a management and technology consulting organization that provides services to the federal government and defense communities, offering IT services, cybersecurity, cloud infrastructure, data management, and system engineering.

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QBE LLC
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Nutbourne
Information Technology
Belfast
28 Employees

As a managed services provider in London, Nutbourne was founded to support people and solve their problems, offering a service that can cover all of your business’ needs from one source. That’s why our team assist people and their systems, as well providing high level consultancy, that we monitor consistently and improve when needed. We take on your IT burden,...

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Nutbourne
Nasstar
Cloud • Information Technology
3 Offices
923 Employees
2 Benefits Hiring Now

At Nasstar, we specialise in transformative technology. Our integrated suite of managed services delivers everything from cloud optimisation and application modernisation to networking, security and self-serve tools. With a consultative approach at our core, we modernise and manage technology to help our clients succeed in today's competitive business world. Through strategic consultation, to implementation and management, we provide the vision and...

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Nasstar
First Advantage
Information Technology
2 Offices
3,712 Employees
28 Benefits

First Advantage delivers comprehensive background check solutions and insights that enable employers and housing providers to make confident choices, reduce risk, and maintain compliance. With offices in 26 locations and a staff of 4,000+ employees, First Advantage leverages leading technology and the industry’s largest global capabilities to complete background checks in 200+ countries and territories. If you’re looking for employee...

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First Advantage

First Advantage's Top Stability & Growth Strengths

Strong Market Position & Advantage: First Advantage is positioned as a top-tier provider in background screening following the Sterling Check acquisition, creating a combined business with substantial scale and broad product capabilities. The company’s global footprint and deep enterprise penetration support competitiveness for large, compliance-sensitive programs.

Strong Revenue Growth: Revenue expanded materially from 2024 to 2025, reflecting the step-change from the Sterling acquisition alongside cited commercial momentum. Forward guidance for 2026 indicates continued year-over-year top-line growth off the larger base.

Customer Loyalty & Retention: Customer retention is described as strong, with retention in the mid-to-high range and notable growth attributed to upsell, cross-sell, and new logos. This suggests a relatively sticky customer base supporting resilience through varying hiring cycles.

DMI (Digital Management, LLC)
Artificial Intelligence • Information Technology • Internet of Things • Security • Analytics
25 Offices
2,000 Employees
39 Benefits

DMI is a global technology solutions company that specializes in digital strategy, design, transformation and support. Utilizing expertise from six unique DMI Groups, in the areas of AI & Analytics, Commerce, Experience, Managed Services, Transformation, and Government, DMI delivers intelligent digital transformation solutions that meet organizations where they are. Born digital, DMI has been delivering mission-critical, enterprise grade solutions since...

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DMI (Digital Management, LLC)
VML Technology
Digital Media • Information Technology • Software
2 Offices
22 Employees

VML Technology is a company based in Belfast and Dublin pioneering new levels of video communication. Video Markup Language (VML) revolutionises the possibilities of video by enabling the real-time convergence of video and data maximising viewer engagement. Rendered on the device at the moment of viewing, VML enables video to update continuously in real-time for each individual user as it...

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VML Technology
Millgate
Hardware • Information Technology • Software
2 Offices
139 Employees

At Millgate, our guiding principle is deceptively simple: we deliver tech products, services and solutions that actually work for your business needs. In nearly 30 years since our inception, Millgate has developed a reputation as a trusted adviser to our clients, able to understand their requirements and provide the very best IT & Tech solutions to meet and exceed their individual...

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Millgate
Tata Technologies
Information Technology • Consulting
13 Offices
15,050 Employees
10 Benefits

We're a global product engineering and digital services company focused on fulfilling our mission of helping the world drive, fly, build, and farm by enabling our customers to realize better products and deliver better experiences. We’re the strategic engineering partner businesses turn to when they aspire to be better. Manufacturing companies rely on us to enable them to conceptualize, develop...

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Tata Technologies
NetApp
Big Data • Cloud • Information Technology
30 Offices
12,824 Employees
42 Benefits

In a world of generalists, we are the specialists. #NetApp World-class data management and storage solutions in the biggest public clouds. Founded in 1992 and headquartered in San Jose, California, NetApp specializes in helping our customers get the most out of their data with industry-leading cloud data services, storage systems, and software. We have a service to meet your every need, plus the needs...

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NetApp

NetApp's Top Stability & Growth Strengths

Strong Revenue Growth: Q4 FY2026 revenue rose 12% year over year to $1.95B, with FY2026 up 5% to $6.93B. Guidance for FY2027 implies roughly 7–8% growth at the midpoint.

Profitability: FY2026 delivered record gross profit and operating income, with GAAP EPS up 12% for the year. Record Q4 and FY results underscore earnings strength exiting FY2026.

Healthy Cash Flow: Free cash flow rose 40% to $1.87B and operating cash flow grew 37% to $2.07B in FY2026. Strong cash generation supported $1.36B of capital returns via buybacks and dividends.

Xylem Inc.
Information Technology • Other • Biotech
52 Offices
10,001 Employees
33 Benefits

Xylem |ˈzīləm| 1) The tissue in plants that brings water upward from the roots; 2) a leading global water technology company. Xylem, a leading global water technology company dedicated to solving the world’s most challenging water issues, is the leading global provider of efficient, innovative and sustainable water technologies improving the way water is used, managed, conserved and re-used. Our international team is...

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Xylem Inc.
Everbridge
Information Technology • Software • Consulting
28 Offices
1,437 Employees
34 Benefits Hiring Now

Keeping People Safe and Businesses Running. Faster. Everbridge, Inc. (NASDAQ: EVBG) is a global software company that provides enterprise software applications that automate and accelerate organizations’ operational response to critical events in order to Keep People Safe and Businesses Running™. During public safety threats such as active shooter situations, terrorist attacks or severe weather conditions, as well as critical business events...

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Everbridge

Everbridge's Top Stability & Growth Strengths

Strong Market Position & Advantage: Everbridge is positioned as a category leader in critical event management and mass notification, supported by independent analyst recognition and a sizable installed base in government and public safety. National-scale public warning deployments across multiple countries further reinforce perceived leadership in high-stakes, large-scale use cases.

Investor Backing & Capital Strength: The take-private acquisition by Thoma Bravo at a multi-billion-dollar valuation signals continued investor conviction in the business and its market category. Private-equity ownership also implies access to capital and operational support to fund product investment and go-to-market execution.

Innovation-Driven Growth: Ongoing platform updates (Everbridge 360 and High Velocity CEM) and patent activity around AI-enabled crisis response indicate sustained product innovation. Expanded integrations and managed-services motions suggest efforts to translate roadmap velocity into broader adoption.

Informa
Artificial Intelligence • Information Technology • Business Intelligence
26 Offices
3,741 Employees
13 Benefits

Informa is a leading international intelligence, events and scholarly research group. We're here to champion the specialist, connecting people with knowledge to help them learn more, know more and do more. We're a FTSE 100 company with 10,000 colleagues working in over 30 countries and a presence in all major regions, including North America, South America, Asia, Europe, the Middle East...

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Informa

Informa's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is expanding at a healthy pace, with record-level sales and steady underlying growth across recent periods. Momentum is led by the B2B Live Events division and management outlook indicates continued mid‑single‑digit gains.

Profitability: Earnings are increasing alongside revenue, with higher adjusted operating profit and sustained double‑digit EPS growth. Guidance points to further profit expansion.

Strong Market Position & Advantage: Scale in global B2B exhibitions is described as industry‑leading, with revenue larger than the next two competitors combined and a broad international portfolio. Recognition in sector rankings and a deep roster of specialist brands reinforce this position.

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