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Top Tech Companies in Belfast (503)

Version 1
Information Technology • Consulting
12 Offices
3,000 Employees
12 Benefits Hiring Now

Version 1 proves that IT can make a real difference to our customers'​ businesses. We are trusted by global brands to deliver IT services and solutions which drive customer success. Our 3000+ strong team works closely with our technology partners to provide independent advice that helps our customers navigate the rapidly changing world of IT. Our greatest strength is balance...

Version 1
Harness
Artificial Intelligence • Cloud • Software
8 Offices
900 Employees
25 Benefits Hiring Now
Harness is the AI-native software delivery platform company.

Harness is a leader in AI-native software delivery, dedicated to empowering developers and engineering teams worldwide. We revolutionize how software is built, tested, deployed, and optimized by driving efficiency, reliability, and speed throughout the software development lifecycle. At Harness, we envision a world where developers focus on innovation, free from repetitive tasks, supported by tools that streamline every step. Our platform...

Harness

Harness's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst reports in 2025 place Harness as a Leader in Gartner’s Magic Quadrant and Forrester’s Wave for DevOps Platforms, signaling top-tier standing among end-to-end platforms. Coverage also highlights expansion beyond CD into feature flags, security/test orchestration, cloud cost, and IDP.

Strong Revenue Growth: Public statements note crossing $100M ARR in 2023/2024 and being on track to exceed $250M ARR in 2025, indicating robust momentum. Reported year-over-year growth into that period is characterized as strong and accelerating.

Investor Backing & Capital Strength: Funding events include a $240M Series E at a $5.5B valuation in December 2025 and a $150M credit facility in 2024, providing material capital for expansion. The valuation step-up and new capital are cited as signals of investor confidence.

Foods Connected
Food • Retail
2 Offices
109 Employees
Hiring Now

Giving food manufacturers and food retailers the control to ensure that you have the right supplier, the right product and the right quality at the best price possible

Foods Connected
Pinsent Masons
Artificial Intelligence • Legal Tech
24 Offices
4,323 Employees
1 Benefits Hiring Now

Pinsent Masons is a multinational law firm with a reputation for delivering high-quality legal advice rooted in its deep understanding of the sectors and geographies in which our clients operate. Our expertise is recognised globally. In recent years we have achieved more tier 1 rankings in The Legal 500 UK guide than any other firm, and been counted among the...

Pinsent Masons
Data Intellect
3 Offices
178 Employees
1 Benefits Hiring Now

Data Intellect build complete-system solutions for an array of industry applications and we’re always open to new challenges. Be it Fintech, Healthcare, Renewables or Telematics, to name a few, we love finding ingenious ways to help clients cultivate business ambitions, scale-up market offering and realize customer and investor expectations. We provide solutions to complex data problems in demanding environments for...

Data Intellect
Intapp
Software
12 Offices
600 Employees
35 Benefits Hiring Now

Intapp powers connected firms. Trusted by 1,600 of the world’s top private capital, investment banking, legal, accounting, and consulting firms, Intapp offers end-to-end, cloud-based connected firm management software built for the unique needs of partner-led firms. Intapp helps enhance collaboration, unleash collective knowledge, transform decision-making, and fuel success. Our products and services span the entire relationship lifecycle — from strategy...

Intapp

Intapp's Top Stability & Growth Strengths

Strong Market Position & Advantage: Evidence indicates Intapp is broadly viewed as a category leader within its target verticals, supported by deep penetration across top law, accounting, private capital, and investment banking firms. DealCloud is widely deployed for purpose‑built deal and relationship management and frequently cited by large firms.

Strong Revenue Growth: Recent filings report year‑over‑year increases in SaaS revenue and cloud ARR, indicating expanding adoption and wallet share among existing clients. Quarterly updates and guidance point to continued momentum into fiscal 2026.

Customer Loyalty & Retention: Cloud net revenue retention remains elevated, signaling strong expansion within the installed base. Reported results and public client wins suggest steady cross‑sell and upsell across modules in core verticals.

AAB
Professional Services • Consulting • Financial Services

AAB delivers Audit, Accounting, Tax, Payroll, HR, Consulting, and Advisory Solutions globally from its offices in the United Kingdom and Ireland.

AAB
Stora
Cloud • Software
Belfast
14 Employees
Hiring Now

Stora is an all-in-one self storage platform designed to maximise your sales, reduce your costs, and save you time. It gives you an expertly designed customizable website with a conversion-optimised rental and payment flow. Invoicing and billing are completely automated, making you money while you sleep. Stora takes care of customer checkin for you, and integrates with all major smart...

Stora
Linamar Corporation
Automotive • Greentech
9 Offices
5,907 Employees
9 Benefits Hiring Now

Linamar Corporation (TSX:LNR) is an advanced manufacturing company where the intersection of leading-edge technology and deep manufacturing expertise is creating solutions that power vehicles, motion, work and lives for the future. The Company is made up of two operating segments – the Industrial segment and the Mobility segment, both global leaders in manufacturing solutions and world-class developers of highly engineered...

Linamar Corporation
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AECOM
Consulting
36 Offices
51,000 Employees
39 Benefits Hiring Now
We are the trusted global infrastructure leader.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design...

AECOM

AECOM's Top Stability & Growth Strengths

Profitability: Feedback suggests profitability is strengthening with record margins and double‑digit EPS growth alongside guidance raises as of Q2 FY2026. Independent coverage also characterized the print as “record‑breaking performance,” reinforcing earnings momentum.

Resilient & Sustainable Growth: Feedback suggests underlying growth is durable, evidenced by a record and rising backlog with management raising full‑year guidance. Calendar and award‑timing headwinds are already embedded in outlook, indicating resilience despite near‑term noise.

Strong Market Position & Advantage: Feedback suggests AECOM’s consistent top industry rankings and global scale reinforce a competitive edge that supports demand capture. Recognition as the world’s top design firm in multiple sectors underpins its ability to win and retain large programs.

LanciaConsult
Marketing Tech • Consulting
4 Offices
87 Employees
Hiring Now

We are LanciaConsult, a fast growing business, technology and marketing consultancy serving clients around the world from our offices in Europe and Asia. We set up LanciaConsult in Singapore in 2012 as we were frustrated with the consultancy sector shifting from advisor to supplier. We felt that the pursuit of high revenue projects or large scale outsourcing meant that the solutions...

LanciaConsult
Yell Limited
Agency • Digital Media • Information Technology • Marketing Tech
2 Offices
1,535 Employees
13 Benefits Hiring Now

Yell is a digital marketing and online directory business in the United Kingdom, offering services such as business listings, reputation reports, website checkers, search marketing, and display advertising to help small and medium-sized businesses improve their online presence.

Yell Limited
Diageo
Manufacturing
26 Offices
32,334 Employees
13 Benefits Hiring Now

Diageo's official LinkedIn account. We're a global leader in premium drinks, across spirits and beer, a business built on the principles and foundations laid by the giants of the industry. With over 200 brands sold in 180 countries, our portfolio has remarkable breadth. From centuries-old names to exciting new entrants, and global giants to local legends, we're building the very best...

Diageo

Diageo's Top Stability & Growth Strengths

Strong Market Position & Advantage: Diageo is consistently depicted as the global leader in international spirits, with category leadership in Scotch and tequila and Johnnie Walker’s category-topping status anchoring that edge. Scale and global reach provide durable share and pricing power even through cycles.

Strong Brand Reputation: Iconic, globally recognized brands such as Johnnie Walker, Guinness, Smirnoff, and Don Julio, alongside independent brand‑valuation mentions, support resilient brand equity. Company materials emphasize a brand‑led strategy that sustains pricing and share through continued investment.

Healthy Cash Flow: Management targeted roughly $3 billion of free cash flow for FY26 despite softer top‑line trends. An accelerated multi‑year cost‑savings program is intended to support cash generation and financial flexibility.

Signifyd
Fintech • Machine Learning • Payments • Software • Financial Services
8 Offices
450 Employees
30 Benefits Hiring Now
Signifyd is the world’s largest provider of guaranteed fraud protection.

Signifyd provides an end-to-end Commerce Protection Platform that leverages its Commerce Network to maximize conversion, automate customer experience and eliminate fraud and consumer abuse for retailers. Signifyd counts among its customers a number of companies on the Fortune 1000 and Digital Commerce 360 Top 500 lists. Signifyd is headquartered in San Jose, CA., with locations in Denver, New York, Mexico...

Signifyd

Signifyd's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry recognition from sources such as G2, Frost & Sullivan, and Digital Commerce 360 repeatedly places the company among the leaders in e-commerce fraud prevention and commerce protection. Adoption by major retailers, including Fortune 1000 and Top 500 companies, reinforces its established position.

Market Expansion: Recent funding and stated initiatives supported growth into Europe and Latin America, alongside maintaining operations across multiple regions. New integrations with major commerce platforms and moves into additional payment markets indicate continued geographic and channel expansion.

Product Line Growth: The offering has expanded beyond checkout fraud protection to include areas like returns and abuse, exemplified by the launch of Intelligent Returns. Ongoing enhancements to AI-driven decisioning and predictive tools broaden coverage across the customer journey.

KX
Artificial Intelligence • Cloud • Software • Database • Big Data Analytics
12 Offices
513 Employees
25 Benefits Hiring Now

We power the time-aware data-driven decisions that enable fast-moving organizations to realize the full potential of their AI investments and outpace competitors. Our technology delivers transformational value by addressing data challenges around completeness, timeliness, and efficiency. We enable organizations to understand change over time and generate faster, more accurate insights — at any scale, and with cost efficiency. Our technology is essential...

KX
Stryker
Healthtech • Other • Robotics • Biotech • Manufacturing
48 Offices
51,000 Employees
45 Benefits Hiring Now
Together with our customers, we're on a mission to make healthcare better.

Stryker is a global leader in medical technologies and, together with its customers, is driven to make healthcare better. The company offers innovative products and services in MedSurg, Neurotechnology, Orthopaedics and Spine that help improve patient and healthcare outcomes. Alongside its customers around the world, Stryker impacts more than 130 million patients annually. More information is available at www.stryker.com. Together with...

Stryker

Stryker's Top Stability & Growth Strengths

Strong Revenue Growth: Recent results show double-digit annual sales expansion through 2025, with management guiding to continued organic growth into 2026.

Strong Market Position & Advantage: Evidence highlights leadership in orthopedic robotics and top-tier standings among global medtech peers, with notable share in joint replacement and integrated OR technologies.

Diversified Revenue Streams: Multiple segments and recent vascular-focused acquisitions broaden growth drivers and reduce reliance on any single category.

Exegy
Big Data • Fintech • Information Technology • Software • Analytics
7 Offices
130 Employees
20 Benefits Hiring Now

Exegy provides ultra-high performance, hardware-accelerated computing appliances that process market data for financial organizations. Exegy is the established leader in providing real-time market data solutions with an unparalleled combination of speed, capacity, features, and service. Today Exegy serves as a strategic partner to leading principal traders, agency brokers, exchanges, Alternative Trading System (ATS) and dark pool operators, market makers, hedge funds,...

Exegy
Codec
Artificial Intelligence • Cloud • Information Technology • Software
4 Offices
223 Employees
6 Benefits Hiring Now

Established in 1985 and headquartered in Ireland, Codec is a high-growth, leading technology company with offices in Dublin, London, Belfast, and Malta. With a team of over 300 dedicated professionals, we are committed to delivering innovative solutions based on the Microsoft low-code platform. As current Microsoft country partner of the year (for the 4th time), Codec specialises in providing business...

Codec
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
Richmond Marketing
AdTech • Food • Marketing Tech
3 Offices
187 Employees
2 Benefits

At Richmond, we aim to keep pace with Ireland’s changing society, offer innovative brands which appeal to the modern Irish consumer and to be Ireland’s premium beverage brand builder. The success of our business is based on our world-class stable of premium brands that we market and distribute in Ireland. We bring an innovative perspective to everything we do and we are...

Richmond Marketing

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