Top IT Companies in Belfast (120)
Working solely within the education sector, we have gained a unique insight into schools. We understand that schools come in all shapes and sizes and that our support needs to be completely flexible to accommodate the diverse range within the UK. We are a forward thinking, proactive and flexible company, that prides itself on providing the highest level of customer satisfaction....
ITC Infotech is a global technology solution and services leader providing business-friendly solutions, that enable future-readiness for clients. We seamlessly bring together digital expertise, strong industry-specific alliances, and deep domain expertise from ITC Group businesses. Our solutions and services are focused on Banking and financial Services, Healthcare, Manufacturing, Consumer Goods, Travel and Hospitality.
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...
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...
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...
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...
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...
Sysco Software is a multi-award-winning, and certified Microsoft Dynamics 365 Business Applications Solution Partner employing more than 110 full-time Dynamics 365 consultants. Sysco Software are uniquely placed to deliver industry specific projects built on the Microsoft Dynamics 365 technology stack, the Power Platform hosted on a secure Microsoft Azure Cloud from offices in Dublin and Belfast. In business for more than 40...
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.
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,...
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...
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...
Reply [EXM, STAR: REY] specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big data, cloud computing, digital media and the internet of things. Reply delivers consulting, system integration and digital services to...
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...
SciLeads is an innovative sales and marketing intelligence platform for scientific companies. We enable greater sales by providing companies with instant access to highly relevant prospect and market information.
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,...
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...
Transforming critical energy & rail infrastructures for our shared future. With bold determination and a spirit of invention, we're optimising the crucial systems of a resilient future — turning possibilities into progress every day.
Ingram Micro helps businesses Realize the Promise of Technology™. It delivers a full spectrum of global technology and supply chain services to businesses around the world. Deep expertise in technology solutions, mobility, cloud, and supply chain solutions enables its business partners to operate efficiently and successfully in the markets they serve. Unrivaled agility, deep market insights and the trust and...
Ingram Micro's Top Stability & Growth Strengths
Strong Revenue Growth: Company updates show net sales grew in FY2025 and continued to rise year over year into early 2026, with multiple consecutive growth quarters during 2025. Feedback suggests momentum was broad‑based across regions and core lines such as Cloud, notebooks/endpoint, and Advanced Solutions.
Strong Market Position & Advantage: Industry coverage consistently places the company among the top two global IT distributors by revenue, reinforced by deep vendor relationships and extensive geographic reach. Feedback suggests this leadership position supports ecosystem influence and partner access across hardware, software, and cloud.
Innovation-Driven Growth: Management highlights the Xvantage digital platform and cloud marketplace as drivers improving partner experience and sell‑through. Evidence in the updates links platform investment to gains in Cloud and services and to the return to year‑over‑year growth exiting 2024 and through 2025.
SureSkills is a leader in the design, development and delivery of a wide range of technical learning, knowledge, technical products and candidate placement services and solutions. We partner with global organisations to enable skills, knowledge and capabilities needed to drive real competitive advantage and business value. We can provide workforce solutions by giving companies access to the best talent on...






























