Explore top tech companies
All Filters
Office Type

Industry

Size

Open Jobs

Remote Jobs

Tech Stack

Top Tech Companies in Belfast (535)

So Energy
Energy • Renewable Energy
2 Offices
350 Employees

We’re a London-based supplier of gas and 100% renewable electricity to homes around Great Britain, and we believe in honesty, transparency, and enabling our customers to make the move towards net zero. We’re the only energy supplier that empowers customers by allowing them to vote on how we source their renewable electricity. We're proud to say that we were one...

• •
• •
So Energy
Unosquare
Information Technology
6 Offices
884 Employees

Unosquare provides custom software development with agile software delivery professionals for Healthcare, Financial Services, and High Tech customers. We do this work from the USA, Latin America, and the United Kingdom. With over 2,500 successfully completed projects, nearly 600 full-time employees, and 100 active distributed teams, Unosquare has been one of the fastest growing private businesses in the USA with...

• •
• •
Unosquare
Lyst
eCommerce • Fashion • Retail
2 Offices
234 Employees
3 Benefits

Lyst is a global Fashion Tech company and premium shopping app, founded in London in 2010 and catering to over 200M shoppers per year. We offer our customers the largest assortment of premium & luxury fashion items & products in one place, via an assortment of 8.5M+ items from over 17,000 of the world’s leading brands. We are a scale-up...

• •
• •
Lyst
EXL
Information Technology • Database • Consulting
35 Offices
30,246 Employees
20 Benefits

Choosing a digital partner is about more than capabilities — it’s about collaboration and character. Unrealistic overhauls and off-the-shelf products ignore what matters most — your unique needs, culture, goals, and your legacy data and technology environments. At EXL, our collaboration is built on ongoing listening and learning to adapt our methodologies. We’re your business evolution partner—tailoring solutions that make the most...

• •
• •
EXL

EXL's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is expanding at a double-digit pace across 2025 and the first half of 2026, and the company raised its 2026 outlook to mid-teens growth. Feedback suggests momentum is reinforced by consistent quarterly acceleration and new client additions.

Profitability: Earnings are outpacing revenue, with strong adjusted EPS gains and solid high‑teens adjusted operating margins. Feedback suggests disciplined execution is helping sustain margin strength alongside growth.

Innovation-Driven Growth: Data‑ and AI‑led services are the principal engine, rising to a majority of revenue by early 2026 and supported by continued investment and the planned iMerit acquisition. Industry evaluations citing leadership in data/AI and insurance-focused operations suggest differentiated capability.

Gym+Coffee
eCommerce • Fashion • Fitness • Retail
7 Offices
154 Employees

Gym+Coffee is an Irish-owned and designed athleisure clothing company founded in 2017. It specializes in high-quality apparel, including hoodies and sports performance gear, sold globally through D2C websites and retail 'clubhouses'. The brand is mission-driven, focusing on building a community and inspiring people to 'Make Life Richer' by encouraging a more active lifestyle.

• •
• •
Gym+Coffee
Interface
Information Technology • Software
17 Offices
4 Employees
36 Benefits

Interface is a frontier research lab focused on high-fidelity human and object simulation. We build systems that model appearance, behavior, and interaction for world-model research. Founded by MIT graduates and backed by Y Combinator, we’re a deep-tech company in graphics, machine learning, and simulation.

• •
• •
Interface
Halliburton
29 Offices
60,000 Employees
2 Benefits

Halliburton Energy Services provides products, services, and integrated solutions for oil and gas exploration, development, and production.

• •
• •
Halliburton
SLG Brands
Beauty • Marketing Tech
2 Offices
130 Employees

We are an international brand incubator business that create powerfully soulful brands. From within our in-house studio and lab, we use the power of design, formulation innovation and highly imaginative marketing to enrich brand appeal and to stimulate brand growth. Our portfolio of vibrant and authentic beauty & male grooming brands is a synergy of indie brand cool and global...

• •
• •
SLG Brands
Imperva
Big Data • Cloud • Information Technology • Security
30 Offices
1,508 Employees
35 Benefits

Imperva is a cybersecurity leader with a mission to protect data and all paths to it. We protect the data of over 6,000 global customers from cyber attacks through all stages of their digital transformation. Our products are informed by the Imperva Research Lab, a global threat intelligence community, that feeds the latest security and compliance expertise into our solutions.

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

Sanofi
Healthtech
40 Offices
85,000 Employees
44 Benefits

We are Sanofi, an innovative global healthcare company. We chase the miracles of science to improve people’s lives. Our team, across some 100 countries, is dedicated to transforming the practice of medicine by working to turn the impossible into the possible. We provide potentially life-changing treatment options and life-saving vaccine protection to millions of people globally, while putting sustainability and...

• •
• •
Sanofi

Sanofi's Top Stability & Growth Strengths

Strong Revenue Growth: Sales growth is described as strong, with 2025 net sales up at constant exchange rates and Q4 showing further acceleration, indicating momentum into 2026.

Profitability: Earnings expansion is described as outpacing sales growth in 2025, and 2026 guidance indicates continued profitable expansion with EPS growing slightly faster than sales.

Product Line Growth: Newer launches are scaling rapidly, with notable growth in recent pharma launches and contributions from products beyond the flagship franchise, helping broaden growth drivers.

Speechmatics
Machine Learning • Software • Conversational AI
4 Offices
115 Employees

Speechmatics is the world’s leading expert in Speech Intelligence, combining the latest breakthroughs in AI and ML to unlock the business value in human speech. Businesses use Speechmatics worldwide to accurately understand and transcribe human-level speech into text regardless of demographic, age, gender, accent, dialect or location in real-time and on recorded media. Combining these transcripts with the latest AI-driven...

• •
• •
Speechmatics
Papercup
Artificial Intelligence • Digital Media
2 Offices
225 Employees

Papercup is a machine learning start-up transforming the media industry. 99.9% of video content is shackled to a single language. Our ambition is to make the world's video content watchable in any language. We're translating videos by generating voices that sound like the original speaker, not only capturing the characteristics of your voice but also the way you speak.

• •
• •
Papercup
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
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...

• •
• •
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.

Ribbon Communications
4 Offices
3,949 Employees
8 Benefits

Ribbon Communications (Nasdaq: RBBN) delivers communications software, IP and optical networking solutions to service providers, enterprises and critical infrastructure sectors globally. We engage deeply with our customers, helping them modernize their networks for improved competitive positioning and business outcomes in today's smart, always-on and data-hungry world. Our innovative, end-to-end solutions portfolio delivers unparalleled scale, performance, and agility, including core to...

• •
• •
Ribbon Communications

Ribbon Communications's Top Stability & Growth Strengths

Strong Market Position & Advantage: SBC certifications with Microsoft Teams and Zoom, plus historic recognition in Gartner’s SBC Magic Quadrant, indicate leadership and wide deployment in secure voice connectivity. Recent updates cite continued momentum with major UC platforms and carriers in Cloud & Edge.

Strategic Partnerships: Broad certifications and large-scale contracts with Tier‑1 service providers and U.S. federal agencies demonstrate strong ecosystem ties. Record bookings in voice‑modernization and increased sales to U.S. Tier‑1s reinforce these relationships.

Future-Ready Strategy: The portfolio emphasizes cloud‑native architectures, automation, and the Acumen AIOps platform aligned to 5G, fiber‑to‑the‑home, and AI. Management highlights autonomous networking and advanced security that match current industry shifts.

Heidrick & Struggles
HR Tech • Consulting
14 Offices
2,093 Employees
26 Benefits

We Help Our Clients Change The World, One Leadership Team At A Time®. Heidrick & Struggles International, Inc., (Nasdaq:HSII) serves the executive talent and leadership needs of the world's top organizations as the premier provider of leadership consulting, culture shaping and senior-level executive search services. Heidrick & Struggles pioneered the profession of executive search more than 60 years ago. Today, the...

• •
• •
Heidrick & Struggles

Heidrick & Struggles's Top Stability & Growth Strengths

Strong Revenue Growth: Company disclosures indicate steady year-over-year growth in 2024 and accelerating gains through the first three quarters of 2025. Management cited broad-based momentum across Executive Search, On‑Demand Talent, and Consulting.

Diversified Revenue Streams: The business has expanded beyond executive search into leadership consulting and on‑demand/interim talent, with each line contributing to recent growth. This mix supports capacity to serve end‑to‑end leadership needs and reduces reliance on a single offering.

Strong Market Position & Advantage: Independent rankings and industry references consistently place the firm in the top tier alongside other global leaders. Thought leadership and recurring inclusion in major lists reinforce access to high‑stakes board and C‑suite mandates.

AVEVA
Agency • Artificial Intelligence • Cloud • Internet of Things • Software • Automation
46 Offices
6,970 Employees
12 Benefits Hiring Now

AVEVA is a global leader in industrial software, sparking ingenuity to drive responsible use of the world’s resources. The company’s secure industrial cloud platform and applications enable businesses to harness the power of their information and improve collaboration with customers, suppliers and partners. Over 20,000 enterprises in over 100 countries rely on AVEVA to help them deliver life’s essentials: safe...

• •
• •
AVEVA

AVEVA's Top Stability & Growth Strengths

Strong Market Position & Advantage: AVEVA is positioned as a recognized leader in several core industrial software areas, especially industrial data management, MES, and analytics/AI, supported by a large installed base and repeated analyst recognition. Its end-to-end stack (data, operations control, MES, analytics/AI) is presented as a differentiator that can simplify integration at scale.

Resilient & Sustainable Growth: AVEVA is described as growing on recurring metrics, with continued double-digit ARR increases through the period referenced and a high recurring-revenue mix associated with the subscription transition. The recurring shift is portrayed as improving visibility and smoothing performance even when industrial project timing creates short-term pacing variability.

Investor Backing & Capital Strength: Ownership under Schneider Electric is framed as adding resources, channel reach, and long-term investment capacity, reinforcing vendor viability for long-lifecycle industrial programs. Schneider’s reporting highlights AVEVA as a meaningful contributor within its software activities, implying sustained internal prioritization.

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
VIAVI Solutions
Information Technology
11 Offices
4,570 Employees
30 Benefits

VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions. Our technologies contribute to the success of a wide range of customers – from the world’s largest mobile operators and governmental entities to enterprise network and application providers to contractors laying the fiber and building the towers that keep...

• •
• •
VIAVI Solutions

VIAVI Solutions's Top Stability & Growth Strengths

Strong Revenue Growth: Recent quarters show substantial year-over-year and sequential revenue increases, with guidance indicating continued momentum. Non-GAAP operating margins and earnings improved alongside strength from data center and aerospace/defense demand.

Strong Market Position & Advantage: The company is described as a global leader in network test, monitoring, assurance, and optical technologies, with flagship platforms viewed as industry standards and presence alongside top peers. Strategic acquisitions and partnerships broaden capabilities in high-speed Ethernet, security testing, and Open RAN, reinforcing competitive positioning.

Diversified Revenue Streams: Growth is supported by multiple end-markets including data centers, aerospace/defense, and optical security products, reducing reliance on traditional service providers. Contributions from recently acquired product lines further expand exposure across these segments.

Cloudsmith
Cloud • Software
2 Offices
34 Employees

Cloudsmith is the leading Continuous Packaging platform for engineers looking to set up a secure, cloud-native artifact repository in 60 seconds. Cloudsmith offers support for 24+ formats, has 225 points of presence and integrates with all of the tools you already use and love. When it comes to secure software delivery in the Cloud, we’ve got you covered.

• •
• •
Cloudsmith

• •

• •

• •

• •

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