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Top Tech Companies in Belfast (535)

Tata Communications
Information Technology
28 Offices
16,277 Employees
9 Benefits

Tata Communications is a digital ecosystem enabler that powers today’s fast-growing digital economy. We enable the digital transformation of enterprises globally, including 300 of the Fortune 500. We carry around 30% of the world’s internet routes and connects businesses to 60% of the world’s cloud giants. We have been a part of the rich heritage of the internet in...

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Tata Communications
SustainIQ
Software • Business Intelligence
Belfast
25 Employees

SustainIQ is the all-in-one sustainability and ESG reporting software that measures, monitors, and reports on the social, economic, and environmental performance of businesses. We save sustainability professionals from wasting time chasing teams, sites, and regions for reporting information. No more unreadable spreadsheets, awkward (and incorrect) calculations and endless report building. With SustainIQ, simply pull, input or bulk upload data and...

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SustainIQ
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.

Send My Bag
Bangor
13 Employees

Noticed how airline luggage allowances keep shrinking while fees keep growing? Fact is that airlines don't want to ship your luggage, golf clubs or skis, they want quick-turnaround hand baggage only flights. So where does this leave you and your luggage? Well, with Send My Bag you can take a budget flight and still travel with everything you need, whether...

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Send My Bag
Organon
Healthtech • Pharmaceutical
2 Offices
6,952 Employees
26 Benefits

Organon is a global healthcare company with a portfolio of therapies and products in women’s health, biosimilars, and established medicines across a wide array of conditions and diseases. Our mission is to deliver impactful medicines and solutions for a healthier every day. This site is intended for residents of the United States and its territories. You are reminded to protect yourself...

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Organon

Organon's Top Stability & Growth Strengths

Strong Market Position & Advantage: Organon is repeatedly characterized as a leader in women’s health, with Nexplanon anchoring a dominant position in contraceptive implants and an extended label that reinforces its edge. A broad footprint across 140+ markets and focus on conditions affecting women underpin this positioning.

Healthy Cash Flow: Established brands are described as providing stable cash flows that fund R&D and growth initiatives in women’s health and biosimilars. Despite mixed topline trends, management highlights ongoing cash generation supporting deleveraging and reinvestment.

Strategic Partnerships: Partnerships such as Samsung Bioepis in biosimilars and commercial collaborations with large biopharma companies expand the portfolio and market access. A pipeline supported by multiple alliances is cited as a core pillar of its strategy.

GetGround
Fintech • Real Estate • Financial Services
5 Offices
94 Employees
9 Benefits

GetGround removes the hassle and hard-work of growing your wealth through property. Find, finance and manage your UK property investments, all in one place, with our property investment platform

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GetGround
Gearset
Software
3 Offices
191 Employees
34 Benefits
We provide ingeniously simple DevOps release management for Salesforce that customers love. 4.8/5 on Glassdoor and G2.

Gearset is the leading release management tool for Salesforce - the world's favourite enterprise PaaS. There are millions of developers building on the Salesforce platform and we believe that they deserve the absolute best tools to do their job and keep their businesses thriving. At Gearset, we work as a cross-functional company with a laser focus on quality in everything we...

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Gearset
Davy
Financial Services
3 Offices
970 Employees
11 Benefits

From day one, you’ll notice there is something special about working at Davy. Our success is built on nearly 100 years of forging strong relationships with our clients and developing the careers of Ireland’s future business leaders. Established in 1926, the Davy Group sits at the heart of wealth and capital in Ireland, providing a broad range of services to...

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Davy
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...

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Speechmatics
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Kering
Fashion • Retail
5 Offices
39,192 Employees
12 Benefits

A global Luxury group, Kering manages the development of a series of renowned Houses in Fashion, Leather Goods and Jewelry: Gucci, Saint Laurent, Bottega Veneta, Balenciaga, Alexander McQueen, Brioni, Boucheron, Pomellato, DoDo, Qeelin, Ginori 1735 as well as Kering Eyewear and Kering Beauté. By placing creativity at the heart of its strategy, Kering enables its Houses to set new limits...

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Kering
EventMAP
Software
Belfast
51 Employees

EventMAP provides resource planning and timetabling solutions through a combination of consultancy and software. From managing and improving operational decision making through developing and managing new approaches which require institutional change, to helping to plan the need for new resources, a tailored EventMAP solution will give you the most powerful tools currently on the market.

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EventMAP
Flock (flockcover.com)
Automotive • Insurance
2 Offices
75 Employees

Flock is a UK Insurtech on a mission to make the world quantifiably safer with connected fleet insurance that enables and incentivises safer driving. 2022 Insurance Times Awards Winners Excellence in Underwriting MGA Challenger of the Year Flock's policies are backed by top underwriters, distributed by leading brokers and trusted by some of the UK’s most exciting fleets, including Virtuo,...

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Flock (flockcover.com)
SideQuest
Gaming • Software
Fully Remote
33 Employees

Community. Discovery. Promotion SideQuest has become an important part of the VR developer ecosystem enabling the distribution of early access content to users. We will continue to build more tools and services to help developers grow a community around their app and get feedback during the early stages of development

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SideQuest
S&P Global
Fintech • Analytics
27 Offices
26,747 Employees
46 Benefits

At S&P Global, we accelerate progress by delivering essential intelligence that unlocks opportunity and fosters growth. For 160 years, our insights and data have helped countries, companies and investors make decisions with conviction. We’re the world’s foremost provider of transparent and independent ratings, benchmarks, analytics, data, research, commentary and ESG solution. Our divisions include: • S&P Global Ratings, which provides credit...

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S&P Global

S&P Global's Top Stability & Growth Strengths

Strong Market Position & Advantage: Evidence indicates S&P Global holds leading positions in credit ratings, flagship equity indices, and commodity benchmarks, reinforced by the IHS Markit merger. Feedback suggests its indices and PMI suite are deeply embedded in market infrastructure and widely used by investors and policymakers.

Strong Revenue Growth: Reported results indicate revenue, earnings, and margins increased in full-year 2025 and in Q1 2026, with management guiding to continued growth in 2026. Filings describe broad-based divisional gains and margin expansion alongside active capital returns.

Diversified Revenue Streams: Disclosures describe multiple businesses—Ratings, Indices, Market Intelligence, Energy, and Mobility—each contributing to recent growth. Commentary highlights this mix as a buffer against cyclicality and a source of resilience across market conditions.

G4S
Security
15 Offices
76,216 Employees
13 Benefits

G4S is the world’s leading global, integrated security company, specialising in the provision of security services and solutions to customers. Our mission is to create material, sustainable value for our customers and shareholders by being the supply partner of choice in all our markets. G4S is active in around 85 countries and has around 533,000 employees. For more information on...

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G4S
Beyond Co.
AdTech • Marketing Tech • Retail • Sales
5 Offices
9 Employees

Beyond Co. is a multi award-winning boutique digital marketing agency that goes beyond. We are a team of creatives driven by unique ideas and helping brands at every stage of their growth stories, from startups to businesses with longevity. Our passion forms the core of who we are and everything we do. We don't just execute projects - we immerse ourselves in...

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Beyond Co.
GTT
Information Technology • Security • Design
33 Offices
3,031 Employees
29 Benefits Hiring Now

GTT is a managed network and security services provider to global organizations. We design and deliver solutions that leverage advanced cloud, networking and security technologies. We complement our solutions with a suite of professional services and exceptional support teams in local markets around the world. We serve thousands of national and multinational companies with a portfolio that includes SD-WAN, security,...

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GTT

GTT's Top Stability & Growth Strengths

Strong Revenue Growth: Consolidated revenues and EBITDA at Gaztransport & Technigaz increased markedly in 2023–2024 with further growth guided for 2025. A sizable multi‑year order book and recent LNG carrier awards provide strong visibility.

Strong Market Position & Advantage: GTT Communications operates a Tier‑1 global IP backbone across continents and is recognized as a Leader in managed network services by ISG and industry programs. A broad enterprise customer base and continued awards reinforce standing in its specialized domains.

Future-Ready Strategy: Both organizations are investing in forward‑looking capabilities, including hydrogen and alternative fuels (GTT S.A.) and SASE/SD‑WAN platforms plus 400G/800G backbone upgrades (GTT Communications). These initiatives position them to address evolving demand and regulatory drivers.

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
Learning Pool
Edtech • Software
7 Offices
456 Employees
19 Benefits Hiring Now

Learning Pool is a learning technology company that optimizes employee performance with intelligent, data-driven experiences. Through its enterprise portfolio, Learning Pool has crafted learning journeys for thousands of organizations and their business units worldwide, enabling smarter compliance, onboarding, and upskilling. The company’s dedication to creating business impact and constantly innovating is the reason customers like Valvoline, Villeroy & Boch, and...

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Learning Pool
Oxford Instruments
9 Offices
2,000 Employees
38 Benefits

Oxford Instruments is a leading provider of high technology tools and systems for research and industry. We design and manufacture equipment that can fabricate, analyse and manipulate matter at the atomic and molecular level. Our purpose is to enable a greener, healthier, more connected advanced society. Oxford Instruments has discrete business groups operating in three sectors. This means we can focus...

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Oxford Instruments

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