Top IT Companies in Belfast (124)
Options are the No.1 provider of IT infrastructure to global Capital Markets firms, supporting their operations and ecosystems. With almost 30 years of experience, we understand the highly complex requirements of the Capital Markets sector and work relentlessly to improve our offering, ensuring we stay ahead of the curve and offer clients best-in-class service. Options provide high-performance managed trading infrastructure...
West solutions connect people and organizations at the right time and in the right ways, making those mission-critical connections more relevant, engaging, and actionable - turning Information to Insight.
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...
We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day. Together, we think holistically about the health of these vital technology ecosystems. We are a focused, independent company that builds on our foundation of excellence by creating systems in new ways. Bringing in the right partners, investing in our business, and...
Kyndryl's Top Stability & Growth Strengths
Profitability: Results indicate a swing to pretax profitability with strong year-over-year improvements in EBITDA and guidance pointing to continued earnings and free‑cash‑flow growth.
Strategic Partnerships: Alliances with major hyperscalers are scaling rapidly, with partner‑tied revenue more than doubling and management signaling momentum toward stated targets.
Strong Market Position & Advantage: Recognition as a Leader by major analyst firms in data center outsourcing, digital workplace, managed cloud operations, and mainframe services, combined with global scale, supports a strong position in mission‑critical infrastructure.
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...
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...
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...
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.
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...
FD is a group of data-driven businesses that unlock the value of insight, hindsight and foresight to drive organisations forward. The Group comprises KX, the leading technology for real-time continuous intelligence; First Derivative, a provider of technology-led services in capital markets; and MRP, the only enterprise-class, predictive Accounts Based Marketing solution. FD operates from 15 offices across Europe, North America...
O2 is the commercial brand of Telefónica UK Limited and is a leading digital communications company with the highest customer satisfaction for any mobile provider according to Ofcom. With over 23 million customers, O2 runs 2G, 3G, 4G and 5G networks across the UK, as well as operating O2 Wifi and owning half of Tesco Mobile. O2 has over 450...
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...
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.
GTT is a managed network and security services provider to global organizations. We design and deliver solutions that leverage advanced cloud, networking and security technologies. We complement our solutions with a suite of professional services and exceptional support teams in local markets around the world. We serve thousands of national and multinational companies with a portfolio that includes SD-WAN, security,...
GTT's Top Stability & Growth Strengths
Strong Revenue Growth: Consolidated revenues and EBITDA at Gaztransport & Technigaz increased markedly in 2023–2024 with further growth guided for 2025. A sizable multi‑year order book and recent LNG carrier awards provide strong visibility.
Strong Market Position & Advantage: GTT Communications operates a Tier‑1 global IP backbone across continents and is recognized as a Leader in managed network services by ISG and industry programs. A broad enterprise customer base and continued awards reinforce standing in its specialized domains.
Future-Ready Strategy: Both organizations are investing in forward‑looking capabilities, including hydrogen and alternative fuels (GTT S.A.) and SASE/SD‑WAN platforms plus 400G/800G backbone upgrades (GTT Communications). These initiatives position them to address evolving demand and regulatory drivers.
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.
JOOR is the world’s premiere, wholesale management platform for fashion, beauty and home, connecting 13,300+ brands and 380,000+ retailers across 150 countries every day. Backed by Macquarie Group, Battery Ventures, Canaan Partners & ITOCHU, JOOR is a Series D start-up that provides the world's most recognized brands and retailers with a digital wholesale management platform that transforms the way these...
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...
CI&T is your end-to-end digital transformation partner. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 6,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.
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...
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,...
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...
