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Top IT Companies in Belfast (124)

EXL
Information Technology • Database • Consulting
35 Offices
30,246 Employees
20 Benefits Hiring Now

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

EXL's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is expanding at a double-digit pace across 2025 and the first half of 2026, and the company raised its 2026 outlook to mid-teens growth. Feedback suggests momentum is reinforced by consistent quarterly acceleration and new client additions.

Profitability: Earnings are outpacing revenue, with strong adjusted EPS gains and solid high‑teens adjusted operating margins. Feedback suggests disciplined execution is helping sustain margin strength alongside growth.

Innovation-Driven Growth: Data‑ and AI‑led services are the principal engine, rising to a majority of revenue by early 2026 and supported by continued investment and the planned iMerit acquisition. Industry evaluations citing leadership in data/AI and insurance-focused operations suggest differentiated capability.

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
Verizon
Information Technology • Internet of Things • Other • Cybersecurity • Infrastructure as a Service (IaaS)
41 Offices
50 Benefits

Verizon is one of the world’s leading providers of technology and communications services, transforming the way we connect across the globe. We're a diverse network of people driven by our shared ambition to move the world forward - collectively building the network America relies on most. Here, we have the ability to learn and grow at the speed of technology,...

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Verizon

Verizon's Top Stability & Growth Strengths

Strong Market Position & Advantage: Feedback suggests Verizon operates at the top tier of U.S. telecommunications by revenue and scale, with extensive network reach and leadership recognition in multiple enterprise categories.

Strong Brand Reputation: Observations highlight Verizon as one of the most valuable telecom brands globally, supported by repeated third-party accolades for network quality and enterprise capabilities.

Resilient & Sustainable Growth: Comments point to steady revenue and earnings momentum with raised guidance and investments in infrastructure and next-gen technologies such as edge and AI.

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.

Yahoo
AdTech • Digital Media • Information Technology • Other
15 Offices
10,001 Employees
47 Benefits Hiring Now

Yahoo is a global media and tech company that connects people to their passions. We reach nearly 900 million people around the world, bringing them closer to what they love—from finance and sports, to shopping, gaming and news—with the trusted products, content and tech that fuel their day. For partners, we provide a full-stack platform for businesses to amplify growth...

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Yahoo

Yahoo's Top Stability & Growth Strengths

Strong Market Position & Advantage: Yahoo is portrayed as a major platform by reach—ranking top in news and finance, second in email, and remaining among the top internet properties by visitors, with overall traffic placing it behind only a few dominant platforms. Leadership in specific verticals such as finance, news, sports, and email underpins durable competitive footing.

Diversified Customer Base: The company is described as reaching hundreds of millions to nearly 900 million people globally across properties spanning news, finance, sports, shopping, gaming, and email. This breadth indicates exposure to varied audience segments rather than reliance on a single cohort.

Future-Ready Strategy: Leadership highlights a transformation centered on innovation, with emphasis on AI and machine learning at global scale. This focus signals intent to modernize offerings and advertising beyond legacy areas.

Tata Communications
Information Technology
28 Offices
16,277 Employees
9 Benefits

Tata Communications is a digital ecosystem enabler that powers today’s fast-growing digital economy. We enable the digital transformation of enterprises globally, including 300 of the Fortune 500. We carry around 30% of the world’s internet routes and connects businesses to 60% of the world’s cloud giants. We have been a part of the rich heritage of the internet in...

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Tata Communications
Agio
Information Technology • Cybersecurity
4 Offices
335 Employees
10 Benefits

Agio is a hybrid cybersecurity and managed IT organization that combines predictive intelligence with human brilliance to empower clients with next-generation cyber protection and technology support. We believe service value should be measured by our ability to predict and prevent problems before they happen, not by how many problems we fix. By investing in AI and proactive issue prevention, we’re...

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Agio
Firstup
Information Technology • Other • Software
3 Offices
259 Employees
33 Benefits Hiring Now

Firstup is redefining the digital employee experience to put people first and lift companies up. We make communication solutions that build authentic engagement and create two-way conversation between employees and companies. Our powerful orchestration engine connects every worker, everywhere, on any device with personalized information that helps them do their best work. That’s why 40% of Fortune 100 companies like...

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Firstup
Visiativ
Information Technology • Professional Services • Software • Consulting
27 Offices
1,600 Employees
Hiring Now

Visiativ is a French technology and consulting group that helps businesses—particularly small and mid-sized companies—plan, implement, manage and monitor digital transformation and innovation. It delivers digital solutions and services spanning 3D CAD/product development, product lifecycle management, business-process automation and enterprise systems, while providing assessment, implementation, training and ongoing support to improve competitiveness, productivity, collaboration and business performance worldwide.

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Visiativ
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Unosquare
Information Technology
6 Offices
884 Employees

Unosquare provides custom software development with agile software delivery professionals for Healthcare, Financial Services, and High Tech customers. We do this work from the USA, Latin America, and the United Kingdom. With over 2,500 successfully completed projects, nearly 600 full-time employees, and 100 active distributed teams, Unosquare has been one of the fastest growing private businesses in the USA with...

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Unosquare
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.

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.

SITA
Information Technology • Consulting
21 Offices
7,798 Employees
33 Benefits

Travel fuels the world today. Connecting us all. Building a better quality of life, and propelling our global economy. Since the start, we’ve made it our lifework to build solutions that help every airline and every airport across the world. We made check-in easier. We let pilots talk to ground control. We delivered better ways to track down lost...

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SITA

SITA's Top Stability & Growth Strengths

Strong Market Position & Advantage: Global reach is positioned as a core strength, including a communications backbone with worldwide coverage and very high availability, plus entrenched platforms like WorldTracer in baggage operations. Segment leadership is described as clearest in air‑transport communications infrastructure, baggage irregularity management, and common‑use/passenger processing where deployments are widespread.

Strong Revenue Growth: Revenue is described as rising for two consecutive years, reaching record results through 2023 and 2024 with growth across major business lines and geographies. Momentum is framed as broad-based rather than limited to a single segment.

Innovation-Driven Growth: Investment in R&D and a stated focus on product innovation are highlighted as contributors to recent momentum. Acquisitions such as Materna IPS and ASISTIM are portrayed as capability additions that expand the end‑to‑end passenger and operations portfolio.

Crossvale
Information Technology • Consulting
2 Offices
68 Employees
13 Benefits

We are an IT services company that provides solutions to companies of every size - from small companies to some of the largest global enterprises. Our specialties are: - Digital Transformation - Enterprise Architecture - RedHat OpenShift (PaaS) - RedHat OpenStack (IaaS) - Business Process Management - Service Oriented Architecture (SOA) - Integration - Cloud, Hybrid and On-Prem solutions - MEAN Stack (Mongo, Express, Angular Node) We have operations in USA,...

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Crossvale
Unitel Direct
eCommerce • Information Technology
3 Offices
54 Employees

We are one of the UK’s biggest independently owned companies. With 15+ years of experience, we provide services related to SEO, SMM, Website Development, Telecom, BPO, and E-Commerce at an affordable price. Stay ahead of your competitors and upscale your business with ROI-driven solutions.

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Unitel Direct
Black Box
Information Technology
35 Offices
5,000 Employees
26 Benefits Hiring Now

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.

Aspire Technology Solutions
Cloud • Information Technology • Cybersecurity
3 Offices
257 Employees

Welcome to Aspire Technology Solutions! We are an award-winning IT Managed Service and Cyber Security Provider. We deliver leading technology solutions across cyber security, cloud, connectivity, managed services and unified communications to help our customers drive real business benefits. Our mission is to deliver technology like no other; we are dedicated to putting technology to work to help our customers innovate,...

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Aspire Technology Solutions
Totalmobile
Information Technology • Mobile
Belfast
370 Employees

Totalmobile is a field service management organisation dedicated to delivering technology that makes work and the lives of mobile workers better. With a comprehensive range of field service capabilities, we provide a fully integrated platform that empowers our customers to simplify processes, achieve operational excellence and experience an exceptional return on investment. With over 1,000 customers and 500,000 workers using our...

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Totalmobile
Cirdan
Information Technology • Manufacturing
2 Offices
94 Employees

Cirdan designs, manufactures and supplies innovative software and imaging solutions for the acceleration and enhancement of diagnosis. Our systems are optimised for pathology and clinical laboratory usage. Cirdan’s primary product is its world-class Laboratory Information System, ULTRA. ULTRA has been designed to streamline laboratory operations and is currently installed in more than 72 laboratories across 6 continents. Another core product...

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Cirdan
OneSource Virtual
Information Technology • Software
6 Offices
820 Employees
28 Benefits Hiring Now

OneSource Virtual (OSV) is the Workday partner that has helped more than 1,300 companies with everything from deployment to maintenance to payroll and more—all to make the day more doable. Founded in 2008, OSV pioneered Business Process as a Service (BPaaS) and has become the leading provider of automated solutions for organizations of all sizes using Workday, delivering services with...

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OneSource Virtual

OneSource Virtual's Top Stability & Growth Strengths

Strong Market Position & Advantage: Colleagues are often seen as holding a leadership position within a focused Workday BPaaS and managed-services niche, with a scaled footprint across many Workday customers. The exclusive, in-tenant operating model across payroll, tax, payments/AP, and benefits is positioned as a clear differentiator versus broad implementation-led providers.

Investor Backing & Capital Strength: Colleagues are often seen as benefiting from increased financial backing following a majority growth investment by TA Associates, signaling confidence in continued scaling. The investment is framed as fuel for organic growth, innovation, and expanded customer capabilities.

Customer Loyalty & Retention: Colleagues are often seen as supported by durable customer stickiness, highlighted by consistently high retention and large transaction volumes moving through the platform. The combination of long-term Workday ecosystem tenure and repeatable run/operate services suggests stability in ongoing demand.

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