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Top Tech Companies in Belfast (536)

Interface Inc.
19 Offices
2,743 Employees
36 Benefits

Interface is a world-leading modular flooring company with a fully integrated collection of carpet tiles and resilient flooring. Our modular system helps customers create interior spaces while positively impacting the people who use them and our planet. We’re here to realize a more beautiful world, with people and environment in harmony. Our mission, Climate Take Back™, invites industry to join us...

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Interface Inc.
11:FS
Fintech • Financial Services
2 Offices
260 Employees

11:FS is a challenger consultancy that builds and launches next generation digital propositions for some of the biggest banks in the world. We have an incredible team made up of high flyers from across the fintech and banking scene united by the belief that digital banking is 1% done and that digital reform is needed to improve systems and services for...

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11:FS
Clinisys
Information Technology • Software
16 Offices
1,597 Employees
4 Benefits

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...

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Clinisys
Not On The High Street
2 Offices
210 Employees

We are Not On The High Street - The home of epic gifts and small business magic. We help customers celebrate all of life's big and small moments - from birthdays to bad hair days - with thousands of inspiring gift ideas. We're also a curated marketplace, meaning we're home to over 5000 of the UK's best small businesses. Everything...

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Not On The High Street
Grafana Labs
Software
4 Offices
1,300 Employees
34 Benefits Hiring Now
Grafana Labs creates leading open-source tools for visualizing operational data, with 1000+ employees in 20+ countries.

Grafana Labs provides an open and composable monitoring and observability stack built around Grafana, the leading open source technology for dashboards and visualization. There are more than 5,000 Grafana Labs customers, including Bloomberg, Citigroup, Dell Technologies, Salesforce, and TomTom, and more than 20 million users of Grafana around the world. Grafana Labs helps companies manage their observability strategies with the...

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Grafana Labs

Grafana Labs's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue scale is described as expanding to annual recurring revenue above $400M by late 2025 and reiterated entering 2026 at that level, indicating ongoing commercial momentum.

Strong Market Position & Advantage: Market standing is positioned as top-tier through consecutive Gartner Magic Quadrant Leader placements and deep enterprise adoption signals such as large-company reference customers and stated Fortune 50 penetration.

Investor Backing & Capital Strength: Capital strength is supported by continued investor activity including a sizable secondary transaction in September 2025 and earlier large financing rounds, suggesting sustained access to funding amid scaling.

Catagen
Greentech • Consulting
2 Offices
54 Employees

CATAGEN’s mission is to clean and decarbonise the air. We are a pioneering green emissions testing facility based in Belfast providing unrivalled metrics to optimise catalyst development and reduce harmful tailpipe emissions. Our expertise in the mobility sector and global emissions standards has led us to develop ClimaHtech technologies including Green Hydrogen. Our Core Business provides GREEN emissions testing to global...

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Catagen
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

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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.

Sonrai Analytics
Artificial Intelligence • Machine Learning • Analytics • Automation
Belfast
35 Employees

The advent of multi-modal data collections has unlocked an opportunity for in-depth and multi-faceted data analytics. However, it has also enforced a clear need for better data management and surveillance along with the reliable reproducibility of such analytics. Managing modern data clusters in an active and thriving business paradigm requires a stringent and reliant framework structure that is both scalable...

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Sonrai Analytics
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,...

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Big Motive
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MedAll
Healthtech • Information Technology
Belfast
38 Employees

The world needs to train 18 million more healthcare professionals by 2030. At MedAll we’re on a mission to solve this healthcare crisis by making great healthcare training more accessible to every healthcare professional, everywhere. Read more about our mission at MedAll.org/mission

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MedAll
Go Testify
Gaming • Software
Belfast
10 Employees

Testify is a secure self-service platform which allows game companies and publishers the ability to distribute their game(s), watch player sessions and hear honest, unbiased feedback from players across the world in their own environment. A player intelligence platform for the games industry, providing a suite of tools that allows game studios to better understand player behaviour which in turn will...

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Go Testify
UnitedHealth Group
29 Offices
400,000 Employees
43 Benefits

UnitedHealth Group is a health care and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone. We are 340,000 colleagues in two distinct and complementary businesses working to help build a modern, high-performing health system through improved access, affordability, outcomes and experiences. Optum delivers care aided by technology and data,...

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UnitedHealth Group

UnitedHealth Group's Top Stability & Growth Strengths

Strong Market Position & Advantage: Rankings on the 2026 Fortune 500 and Global 500 reflect industry-leading revenue scale. AM Best identifies the company as the largest public insurer in the U.S./Canada, with Optum Rx among the "Big 3" PBMs.

Diversified Revenue Streams: A vertically integrated model spans UnitedHealthcare and Optum (Health, Insight, Rx), combining insurance, care delivery, pharmacy benefits, and analytics. This breadth supports performance across funding cycles and care settings.

Strong Revenue Growth: Consolidated revenue rose to about $447.6 billion in 2025 from $400.3 billion in 2024, and 2026 has delivered consecutive quarters around $112 billion while full-year earnings guidance was raised.

Laser Prototypes Europe
Belfast

Europe's leading 3D Printing and Rapid Prototyping Bureau. With over 30 years of experience, we offer all major 3D Printing processes with an extensive range of materials, supported by an expert team of engineers and providing dedicated customer service. Our processes: Stereolithography (SLA), Selective Laser Sintering (SLS), Metal Sintering (DMLS), Digital Light Processing (DLP), Vacuum Casting, CNC machining, automated post-processing (DyeMansion). Our...

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Laser Prototypes Europe
Genpact
Insurance • Logistics • Retail • Energy • Financial Services
66 Offices
119,596 Employees
4 Benefits

Genpact (NYSE: G) is a global professional services firm that makes business transformation real. Led by our purpose -- the relentless pursuit of a world that works better for people -- we drive digital-led innovation and digitally enabled intelligent operations for our clients. Guided by our experience reinventing and running thousands of processes for hundreds of clients, many of them...

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Genpact
Echo Managed Services
3 Offices
245 Employees

Echo Managed Services is a specialist water sector outsourced provider of customer service operations including customer contact handling, billing, meter reading, and debt collection. Echo is also the developer of the UK market leading water customer care and billing system, RapidXtra, and Aptumo, new global cloud based water billing software solution native to Salesforce. Echo combines best practice technology and processes with...

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Echo Managed Services
Wind River
Artificial Intelligence • Software
7 Offices
2,308 Employees
41 Benefits

Wind River is a global leader in delivering software for mission-critical intelligent systems. For 40 years, the company has been an innovator and pioneer, powering billions of devices and systems that require the highest levels of security, safety, and reliability. Wind River software and expertise are accelerating digital transformation across industries, including automotive, aerospace, defense, industrial, medical, and telecommunications. The...

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Wind River

Wind River's Top Stability & Growth Strengths

Strong Market Position & Advantage: Market analyses place Wind River at or near the top in RTOS and commercial embedded Linux, and marquee 5G/Open RAN deployments with operators like Verizon and Vodafone reinforce credibility at the telco edge. This positioning is further supported by a long track record in safety‑ and mission‑critical domains.

Strong Revenue Growth: Aptiv’s commentary indicates Wind River is growing at mid‑teens to above 20% in 2025, suggesting healthy momentum off its 2021 revenue base. Growth signals span telecom, industrial, aerospace/defense, and automotive software.

Investor Backing & Capital Strength: The completed acquisition by Aptiv in December 2022 provides scale and an investment base to extend edge software ambitions. Ongoing references in Aptiv materials highlight Wind River’s role in driving software and services growth.

Memrise
Edtech
2 Offices
75 Employees

Hola! Bonjour! Hallo! こんにちは! Memrise is an award-winning language learning system with over 50 million users. Specialising in combining cognitive science, powerful tech and entertaining content, Memrise makes language learning genuinely recreational. We offer 200 language combinations across 24 languages on our website, iOS and Android apps. By leveraging lots of brain science and plenty of humour, we’re striving to...

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Memrise
Ryanair
Aerospace
24 Offices
18,402 Employees
8 Benefits

Ryanair Holdings plc, Europe’s largest airline group, is the parent company of Ryanair DAC, Lauda, Buzz and Ryanair UK. Carrying 160m+ guests p.a. on over 3,000 daily flights to/from 225 airports. Plan to carry 225m+ guests p.a. by 2026. Unfortunately, we are unable to answer customer service queries through LinkedIn. Please contact our customer service department through our website: http://www.ryanair.com/ie/questions/contacting-customer-service/ alternatively you...

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Ryanair
Keysight Technologies, Inc.
Cloud • Appliances • Industrial • Automation • Manufacturing
28 Offices
12,068 Employees
1 Benefits

Keysight empowers innovators to explore, design, and bring world-changing technologies to life. As the industry’s premier global innovation partner, Keysight’s software-centric solutions serve engineers across the design and development environment, enabling them to deliver tomorrow’s breakthroughs at speed and with reduced risk. Keysight leverages its strength as the world’s leading test and measurement provider and today enables innovators to push the...

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Keysight Technologies, Inc.
Emballator Lagan AB
Food • Chemical • Industrial • Manufacturing
2 Offices
131 Employees

Emballator Lagan AB develops and manufactures plastic packaging solutions, including pails, cans, and pots, for a wide range of industries such as paint, food, and chemicals. As part of the Emballator group, it provides high-quality packaging and material expertise to serve diverse markets including pharmaceutical, beauty, and industrial applications.

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Emballator Lagan AB

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