Explore top tech companies
All Filters
Office Type

Industry

Size

Open Jobs

Remote Jobs

Tech Stack

Top IT Companies in Belfast (124)

FD Technologies
Information Technology
5 Offices
2,509 Employees

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...

• •
• •
FD Technologies
Allsop Intelligent Software
Information Technology • Software
Belfast
25 Employees

We are Allsop Software, the leading Order Management software-as-a-service (SaaS) provider exclusively serving the Food and Beverage industry. Our team is dedicated to helping businesses like yours thrive in the digital age by harnessing cutting-edge technology. At Allsop Software, we understand the unique challenges faced by Food and Beverage companies in today's fast-paced market. With rising customer expectations, evolving regulatory requirements,...

• •
• •
Allsop Intelligent Software
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.

• •
• •
QBE LLC
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...

• •
• •
UNRVLD
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...

• •
• •
Totalmobile
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...

• •
• •
HUMAIN
Ensono
Cloud • Information Technology
12 Offices
3,000 Employees
14 Benefits Hiring Now
Support mission critical workloads, modernize IT infrastructure and reduce total cost of ownership.

Ensono helps IT leaders be the catalyst for change by harnessing the power of hybrid IT to transform their businesses. Our broad services portfolio from mainframe to cloud, powered by an intelligent governance platform, is designed to help our clients operate for today and optimize for tomorrow. We are award-winning certified experts in AWS & Azure

• •
• •
Ensono

Ensono's Top Stability & Growth Strengths

Strong Revenue Growth: Company disclosures indicate revenue expanded from about $224M at inception to roughly $1.1B and clients grew to 250+ by January 2026, reflecting sustained scale-up. Additional signals such as headcount increases and the launch of an AI & Innovation Division reinforce ongoing momentum.

Strong Market Position & Advantage: Multiple independent analyst assessments (ISG, Everest, IDC) place the company as a Leader in mainframe services and modernization, with Gartner listing it in a 2024 Market Guide for the niche. Credentials like the AWS Mainframe Modernization Competency and public-sector recognitions further underpin competitive strength in this segment.

Investor Backing & Capital Strength: Ownership by KKR since 2021 and a stated $250M, five‑year AI investment plan indicate access to capital supporting expansion and R&D. Capability-expanding acquisitions such as Amido and ExperSolve align with a funded growth strategy.

GTT
Information Technology • Security • Design
33 Offices
3,031 Employees
29 Benefits Hiring Now

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

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.

ITC Secure
Information Technology • Cybersecurity
2 Offices
100 Employees

ITC Secure is an advisory-led cyber security services company. We have a 25+ year track record of delivering business-critical services to over 300 blue-chip organisations - bringing together the best minds in security, a relentless focus on customer service and advanced technological expertise to help businesses succeed. With our integrated delivery model, proprietary platform and customer-first mindset, we work as...

• •
• •
ITC Secure
Let Your Resume Do The Work
Upload your resume to be matched with jobs you're a great fit for.

Cybit
Information Technology
4 Offices
156 Employees
2 Benefits

Cybit is an end-to-end IT solutions provider with 30+ years of experience. We transform businesses using industry-leading technologies. Our mission is to power our customers’ commercial success through the expert design, development and delivery of flexible managed IT services, cyber security solutions, cloud migration and data and analytics. Email us at [email protected]

• •
• •
Cybit
Sinch
Big Data • Cloud • Information Technology • Marketing Tech • Mobile
4 Offices
1,520 Employees
27 Benefits

Sinch brings businesses and people closer with tools enabling personal engagement. Our leading cloud communications platform lets businesses reach every mobile phone on the planet, in seconds or less, through mobile messaging, voice, and video. Our global headquarters are in Stockholm, Sweden, and we have a local presence in more than 30 countries - probably somewhere near you!

• •
• •
Sinch
Metapack
Information Technology • Software
2 Offices
200 Employees

Metapack helps the world’s most successful online retailers and brands provide simple yet powerful delivery experiences. Our delivery management solutions are underpinned by the largest global carrier network – 400 carriers and 4,900 delivery services – supported by the most responsive and highly available API on the market. That means more ways to get your products where they need to...

• •
• •
Metapack
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...

• •
• •
Luxoft
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...

• •
• •
Cirdan
Tray.ai
Artificial Intelligence • Cloud • Information Technology • Software • Automation
3 Offices
171 Employees
15 Benefits

Tray.ai offers a composable AI integration and automation platform that transforms AI into standout business performance. The Tray Universal Automation Cloud is an AI-ready platform that eliminates the need for disparate tools, enabling seamless integration and automation of complex business processes. As enterprises strive for competitive advantage, our platform helps IT teams deploy AI effectively, connecting systems, automating processes, and integrating...

• •
• •
Tray.ai
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,...

• •
• •
Verizon

Verizon's Top Stability & Growth Strengths

Strong Market Position & Advantage: Verizon is positioned as a U.S. wireless leader by scale and enterprise reach, with repeated references to leadership by subscribers and differentiated enterprise/private 5G capabilities. Network reliability is also framed as a key advantage that supports premium positioning amid competition.

Market Expansion: The fiber footprint expands materially through the Frontier Communications acquisition, increasing broadband reach and strengthening the mobility-and-home convergence strategy. Fixed wireless access and broadband subscriber additions are described as ongoing growth vectors supporting a broader footprint.

Healthy Cash Flow: Cash generation is emphasized through guidance and commentary pointing to strong free cash flow that can fund spectrum, fiber, and 5G investments. Improved guidance and continued investment capacity are presented as resilience enablers even as competitive pressure rises.

Endeavour Information Solutions
Information Technology • Software
2 Offices
29 Employees

Based in the heart of Belfast and Edinburgh, Endeavour Information Solutions provides technology solutions to organisations across the UK and Ireland. We specialise in Microsoft technologies and solutions such as SharePoint, Office 365, Microsoft Dynamics , Kentico CMS as well as bespoke software development solutions. Endeavour is a member of the Microsoft Partner Network and holds two gold competencies in...

• •
• •
Endeavour Information Solutions
Ricoh Global Services
Information Technology
2 Offices
139 Employees

Digital transformation is crucial for a business but complex to deliver. It’s so complicated that no single company can be expected to provide everything required to achieve success; but one company can ensure everything gets delivered. That’s why Ricoh works with best in class delivery partners to support us through the process of transforming your business into a digital business. As well...

• •
• •
Ricoh Global Services

Ricoh Global Services's Top Stability & Growth Strengths

Strong Market Position & Advantage: The company is repeatedly positioned in “Leader” cohorts for managed print and cloud managed print/document services, and it holds #1 share claims in defined high-speed/continuous-feed inkjet production segments. These signals point to durable competitiveness in print-centric services and select production-print niches, supported by global delivery scale and security capabilities.

Profitability: Operating profit is described as having more than doubled year over year in the nine months ended December 31, 2025, alongside guidance for sharply higher Digital Services operating profit in fiscal 2025. This indicates improving earnings power as the mix shifts toward higher-margin, recurring services and restructuring benefits flow through.

Future-Ready Strategy: The company is concentrating on Office/Workplace Services and Process Automation to build a larger recurring revenue base and target more stable margins, including portfolio pruning such as exiting U.S. Managed IT Services. This reflects an intentional shift away from breadth-for-breadth’s-sake toward areas where it believes it can sustain differentiation and scale.

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...

• •
• •
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.

Reply
Information Technology • Consulting
35 Offices
4,171 Employees
11 Benefits

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...

• •
• •
Reply

• •

• •

• •

• •

Popular Company Searches in Belfast

Tech Companies in Belfast
3D Printing Companies in Belfast
3PL Companies in Belfast
Adtech Companies in Belfast
Aerospace Companies in Belfast
Agencies in Belfast
Agriculture Companies in Belfast
Analytics Companies in Belfast
Angel Investors & VC Firms in Belfast
App Development Companies in Belfast
Appliances Companies in Belfast
AI Companies in Belfast
Automation Companies in Belfast
Automotive Companies in Belfast
Beauty Companies in Belfast
Data Analytics Companies in Belfast
Big Data Companies in Belfast
Biotech Companies in Belfast
Blockchain Companies in Belfast
Business Intelligence Companies in Belfast
Cannabis Companies in Belfast
Chemical Companies in Belfast
Cloud Companies in Belfast
Co-Working Spaces & Incubators in Belfast
Computer Vision Companies in Belfast
Consulting Firms in Belfast
Conversational AI Companies in Belfast
Cryptocurrency Companies in Belfast
Cyber Security Companies in Belfast
Data Privacy Companies in Belfast
Database Companies in Belfast
Defense Companies in Belfast
Design Companies in Belfast
Digital Media Companies in Belfast
E-commerce Companies in Belfast
Edtech Companies in Belfast
Energy Companies in Belfast
Enterprise Web Companies in Belfast
Esports Companies in Belfast
Event Companies in Belfast
Fashion Companies in Belfast
Financial Services Companies in Belfast
Fintech Companies in Belfast
Fitness Companies in Belfast
Food Companies in Belfast
Gaming Companies in Belfast
Generative AI Companies in Belfast
Greentech Companies in Belfast
Hardware Companies in Belfast
Health Tech Companies in Belfast
Hospitality Companies in Belfast
HR Tech Companies in Belfast
Industrial Companies in Belfast
IT Companies in Belfast
IaaS Companies in Belfast
Insurance Companies in Belfast
IoT Companies in Belfast
Kids + Family Companies in Belfast
Legal Tech Companies in Belfast
Logistics Companies in Belfast
Machine Learning Companies in Belfast
Manufacturing Companies in Belfast
Martech Companies in Belfast
Metaverse Companies in Belfast
Mobile Companies in Belfast
Music Companies in Belfast
Nanotechnology Companies in Belfast
Natural Language Processing Companies in Belfast
News + Entertainment Companies in Belfast
NFT Companies in Belfast
On-Demand Companies in Belfast
Payments Companies in Belfast
Pet Companies in Belfast
Pharmaceutical Companies in Belfast
Productivity Companies in Belfast
Professional Services Companies in Belfast
Proptech Companies in Belfast
Quantum Computing Companies in Belfast
Real Estate Companies in Belfast
Renewable Energy Companies in Belfast
Retail Companies in Belfast
Robotics Companies in Belfast
Sales Companies in Belfast
Security Companies in Belfast
Semiconductor Companies in Belfast
SEO Companies in Belfast
Sharing Economy Companies in Belfast
Social Impact Companies in Belfast
Social Media Companies in Belfast
Software Companies in Belfast
Solar Energy Companies in Belfast
Sports Companies in Belfast
Telehealth Companies in Belfast
Transportation Companies in Belfast
Travel Companies in Belfast
Utilities Companies in Belfast
VR Companies in Belfast
Wearables Companies in Belfast
Web3 Companies in Belfast

Sign in to save company job alert.

Create Free Account