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Top Tech Companies in Belfast (534)

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

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Foods Connected
Kainos
Information Technology
10 Offices
2,999 Employees
31 Benefits Hiring Now

At Kainos we use technology to solve real problems for our customers, overcome big challenges for businesses, and make people’s lives easier. We build strong relationships with our customers and go beyond to change the way they work today and the impact they have tomorrow. Our two specialist business areas, Digital Services and the Workday Practice, work globally for clients across healthcare,...

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Kainos

Kainos's Top Stability & Growth Strengths

Strong Revenue Growth: Recent results show double-digit increases in revenue, bookings, and contracted backlog, with Workday Products ARR also rising. Company updates indicate momentum continuing into the following year, supported by a larger order book.

Product Line Growth: Workday Products expanded, with ARR increasing and the Smart suite adopted by a large customer base alongside new offerings such as Pay Transparency resold by Workday in Europe. Unique credentials across Services, Software, and Extend underscore a growing product footprint in the Workday ecosystem.

Strong Market Position & Advantage: Independent assessments place the firm as a Leader across all three Workday quadrants in Europe and a trusted prime on major UK public‑sector programs. A sizable installed base and repeat large government awards reinforce an advantaged regional position.

Data Mastery
Big Data • Cloud • Healthtech • Professional Services • Analytics • Business Intelligence • Big Data Analytics
Belfast
20 Employees
12 Benefits
Empowering businesses with data-driven decision-making using Azure, Power BI and Microsoft Fabric.

Data Mastery is a data consultancy based in the Belfast and Dublin, helping organisations transform how they collect, model, and leverage data. We specialise in designing and delivering modern analytics solutions built on Azure, Microsoft Fabric and Power BI, enabling business users to make confident, data-informed decisions. Our approach is deeply consultative: we embed ourselves within client teams to understand business...

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Data Mastery
Flint Studios
eCommerce • Marketing Tech • Software • Design
3 Offices
13 Employees

Flint Studios is an award-winning full-service agency providing Magento, Kentico, Umbraco and bespoke solutions backed up with Google Partner accreditation, exceptional customer support, dedicated account management and superior aftercare. We work in partnership to analyse your business needs and realise how best we can answer them. Our skills are second to none, reinforced with powerful hosting, delivering guaranteed results every...

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Flint Studios
Phastar
Biotech • Consulting
3 Offices
399 Employees

Phastar is a specialist biometrics contract research organization offering statistical consulting, clinical trial reporting, data management and data science services by providing expert consultants and managing and delivering in-house projects, FSP-style arrangements and preferred partnerships. Our number one priority is ensuring on time, quality work: every project undertaken is supervised on methodology and utilizes internal processes designed to guarantee optimal...

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Phastar
Versant Media
Digital Media • News + Entertainment • Sports
21 Offices
6,927 Employees

VERSANT is a global media and technology company operating a portfolio of established brands across political news and opinion, business news and personal finance, golf, sports, and genre entertainment. Its offerings span television networks, digital entertainment, advertising, sports media, consumer marketplaces, and software-enabled services. The company uses iconic brands and digital platforms to inform audiences, shape culture, connect consumers, and...

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Versant Media
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.

ISDM Solutions
Cloud • Information Technology
5 Offices
53 Employees

ISDM Solutions is a systems integration, management and cloud video service provider, specialising in the delivery of AV and VC projects. We have the benefit of over 20 years in project management at Prince2 practitioner standards, where we are able to apply best practices in our delivery methodology. Our team are technically knowledgeable and has vast experience in ensuring our...

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ISDM Solutions
OCO Global
Marketing Tech • Software
4 Offices
181 Employees

OCO Global is a technology enabled advisory firm focused on trade, investment and economic development. We work with our clients to ensure that their international business thrives, by delivering innovative and sustainable outcomes and connecting them to opportunities across the world that create prosperity, employment and economic growth.

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OCO Global
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Information Commissioner's Office (ICO)
5 Offices

The Information Commissioner's Office (ICO) is the independent regulator of information rights. In a data-driven world, it provides advice, guidance, and support to organisations enabling compliance with their obligations, as well as protecting individuals and their personal data.

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Information Commissioner's Office (ICO)
Unitel Direct
eCommerce • Information Technology
3 Offices
54 Employees

We are one of the UK’s biggest independently owned companies. With 15+ years of experience, we provide services related to SEO, SMM, Website Development, Telecom, BPO, and E-Commerce at an affordable price. Stay ahead of your competitors and upscale your business with ROI-driven solutions.

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Unitel Direct
Beatport
Music
5 Offices
254 Employees
18 Benefits

Founded in 2004 as the principal source of music for DJs, Beatport is today the worldwide home of electronic music for DJs, producers, and their fans. The Beatport Store offers music in premium digital formats and provides unique music discovery tools created for and by DJs. Each week, Beatport's music collection is refreshed with hundreds of exclusive tracks by the...

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Beatport
ResMed
Healthtech
21 Offices
5,300 Employees
24 Benefits

ResMed provides medical equipment for treating, diagnosing, and managing sleep-disordered breathing and other respiratory disorders.

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ResMed

ResMed's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry and company materials indicate ResMed is the leading player in global sleep‑apnea devices and masks, supported by scale and a large connected ecosystem (AirView/myAir). Philips’ U.S. consent decree and extended remediation have provided a multi‑year window that reinforced ResMed’s relative momentum.

Strong Revenue Growth: Recent quarters show continued year‑over‑year revenue growth with margin expansion, driven by device demand and recurring masks/accessories. Management commentary and investor materials point to sustained momentum through FY2026 to date.

Diversified Revenue Streams: A large installed base of connected devices underpins recurring resupply revenue and remote monitoring workflows. Ownership of Brightree and MatrixCare adds out‑of‑hospital software that complements the core hardware franchise.

Kingsbridge Healthcare Group
Belfast
220 Employees

Welcome! We are Northern Ireland’s Premier Private Healthcare Group. Our mission is to become a world-class provider of healthcare solutions by putting our patients to the forefront of everything we do. Our aim is to make the Kingsbridge Healthcare Group the preferred choice for both patients and healthcare professionals. Because Life Matters. Companies within the Kingsbridge Healthcare Group include: Kingsbridge...

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Kingsbridge Healthcare Group
Selina Finance
Financial Services
2 Offices
83 Employees

Selina Finance is on a mission to offer homeowners in the UK a flexible and affordable way to finance big projects through HELOCs (Home Equity Line of Credit) and Homeowner loans. We are proud to be pioneers, offering UK homeowners a new way to finance the lifestyle they deserve, sooner. Our growing Selina Finance team brings together decades of experience...

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Selina Finance
StormHarvester
Artificial Intelligence • Machine Learning • Analytics
Belfast
51 Employees

StormHarvester is a leading analytics provider in the wastewater space. We help wastewater utilities better manage their networks. By combining AI (machine learning) with hyperlocal rainfall forecasting, our unique algorithm provides operational and asset intelligence to wastewater utilities. This insight enables condition-based maintenance, helping to reduce flooding and pollution events.

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StormHarvester
Allstate Northern Ireland
Information Technology • Software
2 Offices

Allstate in Northern Ireland is a leading technology and business services centre, supporting The Allstate Corporation - one of the largest publicly held personal lines insurers in the United States. Established as one of Northern Ireland’s most progressive employers, Allstate NI continues to drive innovation across emerging technologies that shape the future of how people live and work. Our teams are developing...

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Allstate Northern Ireland
Mattioli Woods
Fintech • Payments • Financial Services
5 Offices
552 Employees
8 Benefits

Mattioli Woods is a leading UK provider of wealth management and employee benefits. We pride ourselves in building long-term relationships to provide trusted advice, high standards, and a personalised delivery. We provide our clients with an all-embracing and integrated approach that is designed to develop a clear strategy for financial plans, supported by sound investment and taxation initiatives. Our clients want...

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Mattioli Woods
MUFG Investor Services
Financial Services
13 Offices
1,267 Employees
We are a global leader in asset servicing and operational transformation—built for alternatives.

MUFG Investor Services is a trusted partner to many of the world’s largest public and private funds, providing asset servicing and operational solutions built for alternatives. With over $1 trillion in client assets under administration, we offer fund administration, business process outsourcing, banking, payments, fund financing, foreign exchange overlay, corporate and regulatory services, custody and depositary solutions, business consulting, and...

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MUFG Investor Services

MUFG Investor Services's Top Stability & Growth Strengths

Strong Market Position & Advantage: Market presence is reinforced by surpassing $1 trillion in AUA with further growth to about $1.28 trillion and multiple 2025–2026 industry awards signaling leadership in alternatives. Leadership pockets such as funds‑of‑funds and an integrated operating model are cited as reasons for wins with sophisticated managers.

Market Expansion: Expansion is visible in AUA progression from $1.0 trillion (Feb 2024) to $1.28 trillion (Q3 2025), a broader custody footprint around $670 billion, and new mandates such as APAC sub‑custodian selections. Company materials also highlight ongoing solution launches and geographic footprint growth across Europe, the US, and Asia‑Pacific.

Investor Backing & Capital Strength: Stability is underpinned by being part of Mitsubishi UFJ Financial Group, providing balance‑sheet resources and global reach to bundle administration with financing, FX, and custody. This backing supports client confidence when consolidating providers under a single umbrella.

Blue Zinc IT
Healthtech • Software
Belfast
39 Employees

Blue Zinc is a technology company in the health industry, specialising in improving, connecting and automating the musculoskeletal and talking therapies arenas. We produce solutions for all parts of the market, from funders to practitioners.

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Blue Zinc IT

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