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Top IT Companies in Belfast (120)

Electrosonic
Digital Media • Information Technology • Design
12 Offices
496 Employees
22 Benefits

Electrosonic designs, builds and supports innovative technology solutions that create lasting experiences where people live, work and play. Electrosonic is an international audiovisual company with a strong reputation for working on complex projects, both large and small, and has through its over 55 year history developed lasting partnerships with customers and suppliers. Electrosonic brings a unique breadth of experience to each...

Electrosonic
CGI
Information Technology
65 Offices
91,500 Employees
42 Benefits
We are one of the largest IT and business consulting firms in the world with over 90,000 members across 400 offices.

Serving clients since 1976, we help governments and iconic brands solve business challenges with technology solutions in the areas of digital transformation, advanced analytics, intelligent automation, cloud and IT modernization and sustainability.

CGI

CGI's Top Stability & Growth Strengths

Strong Revenue Growth: Disclosures indicate FY2025 revenue of C$15.91B grew 8.4% year over year (4.6% in constant currency), with Q4‑FY2025 up 9.7%. This represents a clear acceleration versus FY2024’s modest growth baseline.

Market Expansion: Reported bookings of C$17.57B (110% book‑to‑bill) and a year‑end backlog of C$31.45B (about 2x annual revenue) signal expanding demand and visibility. Ongoing acquisitions, including Online Business Systems, broaden capabilities and North American reach.

Investor Backing & Capital Strength: Management increased the dividend by 13% and maintained strong operating cash flow, supporting continued M&A and shareholder returns. These actions indicate confidence in cash generation and balance‑sheet capacity.

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...

Informa
JOOR
eCommerce • Fashion • Information Technology • Retail
2 Offices
251 Employees
33 Benefits
JOOR is smooth, smart wholesale technology for brands and retailers.

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...

JOOR
Liberty IT
Information Technology • Insurance
3 Offices
747 Employees
1 Benefits

We’re a bunch of inventors, problem solvers, business brains and tech transformers. We revel in a challenge and stop at nothing to provide the solution, exceeding expectations, breaking new ground and transforming customer interactions. With over 25 years’ experience we’ve got the backing of global giant Liberty Mutual Insurance, with fresh talent to push every boundary. And that’s what makes us...

Liberty IT

Liberty IT's Top Stability & Growth Strengths

Market Expansion: New city‑centre offices in Dublin and Galway, a dedicated Bonham Quay site, and a Galway hub with a 100‑role plan indicate a widening geographic footprint on the island of Ireland. Current openings across Belfast, Dublin and Galway reinforce ongoing multi‑site growth.

Strong Hiring & Retention: Active recruitment across engineering, data, product and consultancy, alongside sizable graduate intakes and large internal events, point to sustained headcount investment. Repeated Great Place to Work recognition suggests the ability to attract and keep talent.

Innovation-Driven Growth: Cloud transformation on AWS with serverless‑first patterns and showcased AI/ML and virtual assistant initiatives highlight a technology agenda geared toward modernisation. Public write‑ups cite Liberty IT leadership in enterprise AI adoption within Liberty Mutual.

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
DisplayNote Technologies
Information Technology • Software
2 Offices
38 Employees

DisplayNote Technologies is a leading technology company that creates intelligent collaboration solutions for education and enterprise. Whether launching video calls or presenting ideas, organizations worldwide rely on our software to wirelessly share content and improve collaboration in their classrooms and meeting spaces. Using software-only solutions, DisplayNote Technologies transforms education and enterprise displays into collaborative workspaces at a fraction of the...

DisplayNote Technologies
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...

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.

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.

ScreenCloud
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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,...

Big Motive
Founders Factory
Information Technology
2 Offices
105 Employees

Founders Factory builds and funds startups together with exceptional entrepreneurs and the world’s leading companies. Created by serial entrepreneurs Brent Hoberman and Henry Lane Fox, Founders Factory backs entrepreneurs with capital, operational support from a team of hands-on experts, and unrivalled access to industry leaders like Aviva, Rio Tinto, Aviva, Guardian Media Group, Deutsche Telekom, Pico, Netcare, Standard Bank, Nesta, Johnson...

Founders Factory
Mzuri Group
Information Technology • Industrial • Manufacturing
Lisburn
5,000 Employees

Mzuri Group is a global luxury window coverings group established with the vision to provide an environment where companies can achieve their true potential. Founded by a leadership team with more than 40 years of success in the window coverings market, the spirit of the group is to assemble the best of the best. Sharing a vision, ideas, experience, resources...

Mzuri Group
Fujitsu
Cloud • Hardware • Information Technology • Mobile • Software
57 Offices
64,723 Employees
27 Benefits

Fujitsu is the leading Japanese global information and communication technology company, offering a wide range of technology products, solutions and services. We build new possibilities by connecting people, technology and ideas, creating a more sustainable world where anyone can advance their dreams.

Fujitsu
Happiest Minds Technologies
Cloud • Information Technology
19 Offices
5,313 Employees
7 Benefits

Happiest Minds Technologies Limited (NSE: HAPPSTMNDS), a Mindful IT Company, enables digital transformation for enterprises and technology providers by delivering seamless customer experiences, business efficiency and actionable insights. We do this by leveraging a spectrum of disruptive technologies such as: artificial intelligence, blockchain, cloud, digital process automation, internet of things, robotics/drones, security, virtual/augmented reality, etc. Positioned as ‘Born Digital ....

Happiest Minds Technologies
Grouper Technology
Information Technology • Software • Cybersecurity
3 Offices
9 Employees

Grouper Technology (Grouper®) is partner to some of Europe’s leading organisations in their software modernisation and digital transformation journey. We help organisations create innovative management systems, tools and technologies that empower their quality assurance needs and in particularly, relating to corporate governance, risk, and compliance. Grouper offers two primary pillars of "Specialised Application Solutions” and “IT Advisory Services”. Our advisory...

Grouper Technology
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...

Cerco
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.

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...

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.

Xylem Inc.
Information Technology • Other • Biotech
52 Offices
10,001 Employees
33 Benefits

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...

Xylem Inc.
West Technology Group
Cloud • Information Technology
Fully Remote
65 Employees

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.

West Technology Group

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