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Top IT Companies in Belfast (120)

Black Box
Information Technology
35 Offices
5,000 Employees
26 Benefits

Black Box is a global digital infrastructure integrator delivering network and system integration services and solutions, support services, and technology products to businesses in the United States, Europe, India, Asia Pacific, the Middle East, and Latin America and has around 4,000 professionals globally. Black Box has strong service offerings in network integration, digital connectivity infrastructure, data center build-out, modern workplace, and...

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Black Box

Black Box's Top Stability & Growth Strengths

Market Expansion: The company is positioned as having a broad global operating footprint, with operations described across dozens of countries and multiple continents. Growth plans also include geographic expansion through a planned acquisition in Brazil and continued build-out in regions like APAC.

Strategic Partnerships: The company is described as holding strong ecosystem relationships, including a Cisco Gold Partner designation and recognition from vendors such as Juniper and Extreme Networks. These partnerships indicate depth in integrating major networking platforms and can support delivery credibility on large programs.

Resilient & Sustainable Growth: The company is described as having executed a turnaround from earlier losses to profitability, alongside improving margins and a growing order book/backlog. Management’s multi-year growth targets and focus on higher-value mix areas like data centers and AI-led infrastructure further support an upward trajectory.

VIAVI Solutions
Information Technology
11 Offices
4,570 Employees
30 Benefits

VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions. Our technologies contribute to the success of a wide range of customers – from the world’s largest mobile operators and governmental entities to enterprise network and application providers to contractors laying the fiber and building the towers that keep...

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VIAVI Solutions

VIAVI Solutions's Top Stability & Growth Strengths

Strong Revenue Growth: Recent quarters show substantial year-over-year and sequential revenue increases, with guidance indicating continued momentum. Non-GAAP operating margins and earnings improved alongside strength from data center and aerospace/defense demand.

Strong Market Position & Advantage: The company is described as a global leader in network test, monitoring, assurance, and optical technologies, with flagship platforms viewed as industry standards and presence alongside top peers. Strategic acquisitions and partnerships broaden capabilities in high-speed Ethernet, security testing, and Open RAN, reinforcing competitive positioning.

Diversified Revenue Streams: Growth is supported by multiple end-markets including data centers, aerospace/defense, and optical security products, reducing reliance on traditional service providers. Contributions from recently acquired product lines further expand exposure across these segments.

Clinisys
Information Technology • Software
16 Offices
1,597 Employees
4 Benefits

Clinisys is a global provider of informatics software and expertise to support diagnostic testing across healthcare, life sciences and public health. Millions of diagnostic results and data insights are generated every day using Clinisys’ platform and cloud-based solutions in over 3,000 laboratories across 34 countries. Headquartered in Tucson, Arizona, and Woking, England, Clinisys’ mission is to help make citizens and...

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Clinisys
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
Exclaimer
Information Technology • Consulting
6 Offices
268 Employees
23 Benefits

Turbo-boost your email signatures After starting Exclaimer over 20 years ago, we saw how our email signature management software could boost the way businesses manage employee email signatures. Today we help brands keep communications consistent and make every message count – all while being legally compliant. But our software doesn’t just help things run smoothly, it lets businesses cut admin overheads...

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Exclaimer
ScreenCloud
Artificial Intelligence • Cloud • Hardware • Information Technology • Software
5 Offices
130 Employees
107 Benefits
Creating connected companies with screens that communicate!

ScreenCloud is a full-stack digital signage solution that provides hardware and software to run screens at scale, improving deployment, management and security. Get mission critical communication infront of the right people, from HQ to deskless and frontline teams.

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ScreenCloud
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
Cerco
Information Technology
2 Offices
144 Employees

Cerco employees provide a flexible resource throughout the UK and Ireland for employer partners, from smaller SMEs to large global corporations. Both permanent and temporary opportunities are available, and you could be hired from one day short term jobs to long term, open ended placements. At Cerco we look for customer-focused people with a ‘can do’ attitude plus hardware and...

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Cerco
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.

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Luxoft
Information Technology • Software • Consulting
27 Offices
15,405 Employees
16 Benefits

Luxoft, a DXC Technology Company (NYSE: DXC), is a digital strategy and software engineering firm providing bespoke technology solutions that drive business change for customers the world over. Acquired by U.S. company DXC Technology in 2019, Luxoft is a global operation in 44 cities and 21 countries with an international, agile workforce of nearly 18,000 people. It combines a unique...

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Luxoft
OUTSOURCE
Information Technology • Cybersecurity
5 Offices
46 Employees

An award winning, locally owned, IT Managed Security Services Provider (MSSP) working with SME/Enterprise customers across the UK, Ireland and internationally. Outsource solutions and services, covering from 'the desktop to the data centre' are all underpinned by our "Security First" approach and focus on improving the security, performance and productivity of every company we partner with. We also offer a suite...

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OUTSOURCE
Zego (zego.com)
Automotive • Information Technology • Insurance
2 Offices
388 Employees
30 Benefits

Zego is a commercial motor insurance provider that powers opportunities for businesses, from entire fleets of vehicles to self-employed drivers and riders. It combines best-in-class technology with sophisticated data sources to offer insurance products that save businesses time and money. Since its inception, Zego has believed that the problem with traditional insurance is that it holds businesses back. It’s too...

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Zego (zego.com)
Big Motive
Information Technology • Software • Design
Belfast
26 Employees

Big Motive is a design and innovation studio made up of a diverse team of designers, researchers and technologists. Using data analysis and a range qualitative research approaches, Big Motive helps its clients form a deeper understanding of their customers – to create disruptive digital products and service experiences that inspire growth. Past and current clients include: Allstate Insurance, BBC,...

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Big Motive
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
3DEO (3deo.com)
Information Technology • Big Data Analytics
Belfast
18 Employees

We unlock the power of your data with rapid and customisable solutions, to inform and empower your strategic decisions. We are the experts in combining 3D visualisation, earth observation and big data analytics. At 3DEO, we know it is time-consuming and costly for your organisation to respond to critical situations with the right solution. Our cost-effective and customisable solutions provide...

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3DEO (3deo.com)
EXL
Information Technology • Database • Consulting
35 Offices
30,246 Employees
20 Benefits

Choosing a digital partner is about more than capabilities — it’s about collaboration and character. Unrealistic overhauls and off-the-shelf products ignore what matters most — your unique needs, culture, goals, and your legacy data and technology environments. At EXL, our collaboration is built on ongoing listening and learning to adapt our methodologies. We’re your business evolution partner—tailoring solutions that make the most...

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EXL
UNRVLD
eCommerce • Information Technology • Analytics
6 Offices
220 Employees

UNRVLD is a digital experience and technology agency that puts business outcomes first. We work with results driven organisations worldwide where digital experience is business critical. Our digital specialists put value creation at the heart of everything we do. We deliver the outcomes our clients need to become more than just better. Being unrivalled is about setting a new standard...

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UNRVLD
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
Epicor
Cloud • Information Technology • Professional Services • Sales • Software
40 Offices
6,280 Employees
24 Benefits Hiring Now
As a leader in Enterprise Resource Planning, we're the essential partner for the world's most essential businesses.

We’re the Digital Brains of Our Customers’ Operations We help businesses stay future-ready with cognitive ERP that connects people, processes, and technology. From software engineers who command the latest AI technology to business development reps who help us seize new opportunities, the work we do matters. Together, Epicor employees are creating a more resilient global supply chain.

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Epicor

Epicor's Top Stability & Growth Strengths

Strong Revenue Growth: Evidence indicates Epicor surpassed $1B in annual recurring revenue and outlined plans to roughly double sales within four years, signaling momentum in subscriptions. Communications emphasize accelerating cloud migrations, which typically bolster recurring revenue mix.

Strong Market Position & Advantage: Analyst recognitions position Epicor as a Leader in Gartner’s Cloud ERP for Product‑Centric Enterprises and IDC’s SMB/midmarket ERP assessments. Independent summaries consistently frame Epicor as strong in midmarket manufacturing and distribution niches.

Investor Backing & Capital Strength: Ownership by CD&R alongside new investment from CVC is cited as support to accelerate growth and continued SaaS/AI investment. An active M&A cadence in 2024–2025 reinforces access to capital for portfolio expansion.

BT Group
Information Technology • Software
36 Offices
80,295 Employees
43 Benefits

We’re one of the world’s leading communications services companies. At BT Group, the solutions we sell are integral to modern life. Our purpose is as simple as it is ambitious: we connect for good. There are no limits to what people can do when they connect. And as technology changes our world, connections are becoming even more important to everyday...

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BT Group

BT Group's Top Stability & Growth Strengths

Strong Market Position & Advantage: BT is positioned as a UK infrastructure and network-quality leader through Openreach’s large full‑fibre footprint and EE’s leading 5G experience indicators, reinforcing durability during the fibre/5G transition.

Market Expansion: Openreach continues to expand full‑fibre coverage rapidly, reporting 20m+ premises passed by late 2025/early 2026 and targeting further growth into 2026, alongside expanding 5G/5G+ reach and a rising 5G customer base.

Future-Ready Strategy: BT’s strategy centers on completing the fibre build, increasing take‑up, modernising the product base, and driving a medium‑term cash‑flow inflection, aiming to translate network leadership into stronger financial resilience over time.

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