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Top Tech Companies in Belfast (503)

Lightspeed Commerce
Cloud • eCommerce • Payments • Sales • Software
19 Offices
2,174 Employees
29 Benefits

Powering the businesses that are the backbone of the global economy, Lightspeed’s one-stop commerce platform helps merchants innovate to simplify, scale and provide exceptional customer experiences. The cloud solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financing and connection to supplier networks. Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the...

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Lightspeed Commerce
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...

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Luxoft
Lambert Smith Hampton
21 Offices
985 Employees
15 Benefits

Lambert Smith Hampton (LSH) is one of the UK and Ireland's leading, and most progressive, property consultancies with 28 offices and 1,200 staff. We help owners, investors and occupiers achieve their business goals with a suite of integrated services including sourcing, planning, funding, advising, managing, valuing and selling properties, across both the public and private sectors. We are passionate about the work...

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Lambert Smith Hampton
Lantum
eCommerce • Healthtech • Information Technology • Software
2 Offices
110 Employees
2 Benefits

Lantum is a workforce management platform that makes it easier for healthcare providers to mobilise their workforce, and for clinicians to work more flexibly. Our Connected Scheduling platform gives you a staff bank, rota tool and a clinician network all in one place to improve fill rates, cut admin time, and reduce costs. We started life as Network Locum in...

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Lantum
Framestore
Digital Media • Virtual Reality • Design
7 Offices
2,620 Employees
11 Benefits

Framestore brings extraordinary ideas to life in any space or screen through craft, imagination and technology. Offices in London, New York, Los Angeles, Montréal, Chicago, Melbourne, Vancouver, and Mumbai. Current film projects include: Fantastic Beasts: The Crimes of Grindelwald, Detective Pikachu, Dumbo, Captain Marvel, Alita: Battle Angel and Mary Poppins Returns. We were the recent proud recipients of both the...

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Framestore
Smartsheet
Productivity • Software
11 Offices
3,321 Employees
40 Benefits
The Enterprise Modern Work Management Platform

At Smartsheet, our mission is to empower anyone to drive meaningful change — for themselves, their businesses, and the world. Simply working harder is not enough to be successful against a shifting economic landscape. Smartsheet transforms work into dynamic work, unifying collaboration, workflows, and content management into a flexible, secure, no-code platform that gives anyone the ability to continuously make...

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Smartsheet

Smartsheet's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst coverage repeatedly positions Smartsheet as a multi‑year Leader in Collaborative Work Management, with Gartner’s 2025 MQ and Forrester evaluations confirming top‑tier standing. Buyer guides and peer grids further corroborate broad enterprise adoption and favorable sentiment.

Strong Revenue Growth: Public disclosures through late 2024 into Q3 FY2025 show continued year‑over‑year revenue and ARR expansion beyond the $1B milestone, alongside improving profitability. These trends indicate momentum heading into the January 2025 take‑private.

Investor Backing & Capital Strength: Completion of the $8.4B take‑private by Blackstone and Vista signals substantial investor confidence and access to resources. Ownership under experienced sponsors is presented as enabling continued product investment and scale.

RiverRidge
Greentech • Renewable Energy
Belfast
93 Employees

RiverRidge is regarded as Northern Ireland’s most integrated waste management company. The company has built a strong reputation for itself through the delivery of sustainable landfill diversion solutions including the engineering of Waste Derived Fuels and the extraction of recycled products from co-mingled waste streams. Employing over 280 people and managing a fleet of over 95 vehicles, RiverRidge provides a...

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RiverRidge
State Street Global Advisors
Financial Services
15 Offices
2,013 Employees
19 Benefits

For four decades, State Street Global Advisors has served the world’s governments, institutions and financial advisors. With a rigorous, risk-aware approach built on research, analysis and market-tested experience, we build from a breadth of active and index strategies to create cost-effective solutions. As stewards, we help portfolio companies see that what is fair for people and sustainable for the planet can...

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State Street Global Advisors

State Street Global Advisors's Top Stability & Growth Strengths

Strong Market Position & Advantage: Scale of $5.62T AUM, a top‑three U.S. ETF franchise, and the pioneering SPY ETF with exceptional liquidity underscore durable competitive heft. Parent‑level assets under custody/administration further highlight systemic reach and institutional depth.

Strong Revenue Growth: Management fees rose sharply year over year in Q1 2026 alongside record total fee revenue, supported by higher markets and positive net inflows. Broad‑based net inflows, including sizable SPDR ETF gathering, reinforce the revenue trajectory.

Market Expansion: Regulatory approval to take a minority stake in India’s Groww AMC and strong SPDR ETF net inflows indicate expansion into high‑growth markets and vehicles. New offerings such as a private credit ETF and a Stablecoin Reserves money market fund extend product reach.

OneAdvanced
Software
10 Offices
2,698 Employees
15 Benefits

Founded in 2008 OneAdvanced has grown into of the UK’s largest providers of business software and services serving global customers with an annual turnover of £330M+. We manage 1.5 million 111 calls per month, support over 2 million FE learners across the UK, handle over 10 million wills, and so much more. Powering the world of work. We power the world...

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OneAdvanced
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Lightspeed POS
17 Offices
1,983 Employees
29 Benefits

Powering the businesses that are the backbone of the global economy, Lightspeed’s one-stop commerce platform helps merchants innovate to simplify, scale and provide exceptional customer experiences. The cloud solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financing and connection to supplier networks. Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the...

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Lightspeed POS
clearpool.io
Marketing Tech • Financial Services
2 Offices

Pioneers in Capital Markets and veteran innovators harking from Wall Street and the City, we’re building the world’s first truly tokenised Multilateral Trading Facility — bringing a world-first digitised institutional-grade exchange, with no venue-driven custodial risk, under FCA authorisation and into the European markets. Designed and built by a concentration of global exchange technology experts, with decades of experience to the...

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clearpool.io
ABRSM
Music
2 Offices
622 Employees

ABRSM is one of the UK’s leading music education organisations, one of its largest music publishers and the world’s market leader in the provision of, and the setting of the international standard in, music exams, with around 650,000 assessments in more than 90 countries every year. As a registered charity, we make significant contributions to four Royal Schools of Music...

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ABRSM
Prestige Underwriting
3 Offices
104 Employees

Established in 1997, Prestige Underwriting has grown across the UK and Ireland to become a leading and trusted MGA. We continue to build upon our reputation by partnering with our clients to create bespoke standard and non-standard products that deliver results. Our people are focused on building the relationships that not only get our brokers to market but evolve and...

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Prestige Underwriting
Vanden Recycling
Industrial • Manufacturing
3 Offices
89 Employees
Hiring Now

Vanden Recycling are a progressive global plastic recycling business with three distinct divisions: Plastic Recycling Recycled Supply Chain Management Recycled & Waste Plastic Feedstock Our expert global team combine impressive technical knowledge and capability with a passion for recycling and the circular economy. Local teams across the world collaborate to deliver unmatched market access, advice and support to manufacturers and suppliers on a global scale....

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Vanden Recycling
Fern Software
Software • Financial Services
5 Offices
98 Employees

Fern Software is a leading provider of banking software for inclusive financial institutions (banks, microfinance institutions, credit unions, SME lenders and development banks). With offices and partner organisations spanning the six continents, Fern Software continues to grow in a number of areas, picking up regional and global awards for our financial solutions and outstanding quality of service. Fern Software is committed...

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Fern Software
The Access Group
39 Offices
5,814 Employees
21 Benefits Hiring Now

The Access Group is one of the largest UK-headquartered providers of business management software to small and mid-sized organisations in the UK, Ireland, the US and Asia Pacific. It helps more than 100,000 customers across commercial and non-profit sectors become more productive and efficient. Its innovative Access Workspace cloud solutions transform the way business software is used, giving every employee...

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The Access Group

The Access Group's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is reported to have risen to about £1.161bn in FY25 from £1.008bn in FY24, alongside continued double-digit organic growth—signals of sustained top-line momentum.

Strong Market Position & Advantage: The company is positioned as one of the largest UK-headquartered business management software providers, serving 160,000+ organizations across multiple regions and maintaining notable mid-market and vertical-suite penetration.

Innovation-Driven Growth: The rollout of the AI-enabled Access Evo platform and the launch of 60+ new AI-enabled products in FY25 indicate an active product innovation engine intended to deepen adoption and drive further growth.

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.

Contrast Security
Security • Cybersecurity
5 Offices
345 Employees
24 Benefits

Contrast Security is the world’s leading provider of security technology that enables software applications to protect themselves against cyberattacks, heralding the new era of self-protecting software. Contrast's patented deep security instrumentation is the breakthrough technology that enables highly accurate assessment and always-on protection of an entire application portfolio, without disruptive scanning or expensive security experts. Only Contrast has sensors that...

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Contrast Security

Contrast Security's Top Stability & Growth Strengths

Investor Backing & Capital Strength: Funding rounds and a unicorn valuation are cited as strengthening capital resources to support expansion and R&D. Substantial total capital raised is presented as a foundation for continued growth initiatives.

Strong Revenue Growth: Historical recognition on fast‑growth rankings and references to multi‑year revenue increases indicate strong revenue momentum. These signals portray a business that has scaled materially over several years.

Strategic Partnerships: New integrations with platforms such as ServiceNow, Datadog, and Microsoft Sentinel, along with a channel‑first approach, are emphasized as expanding routes to market. Partnerships with major ecosystem players are presented as extending product reach and enterprise adoption.

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...

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So Energy
Datactics
Information Technology • Software
Belfast
67 Employees

At Datactics we're passionate about helping our clients get their data right. We specialise in user-friendly data quality and matching software to help business teams across financial services and governments to tap into the riches of their data assets. We've won multiple awards for the software's ease of use and the capabilities and diversity of our delivery specialists who help...

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Datactics

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