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Top Tech Companies in Belfast (535)

Yelo
Hardware • Appliances
Carrickfergus
51 Employees

Yelo Limited are the world leaders in the manufacturing of laser diode burn-in and life testing equipment. We are a dynamic engineering company renowned for our bespoke and cutting edge technology, with a variety of customers ranging from large multinational corporations to smaller specialist companies, Yelo designs, manufactures and supports test solutions globally.

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Yelo
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
Payroc
Fintech
16 Offices
29 Benefits

Payroc drives commerce for businesses with any time, anywhere payment solutions. We serve our clients with integrity as trusted advisors and recognized experts in payments. We provide transparent pricing clarity and prioritize developing personal relationships, while delivering exceptional integrated payment technology. Payroc is a privately held full-service payment processor founded in 2003, servicing over 30,000 clients and processing over $10 billion...

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Payroc

Payroc's Top Stability & Growth Strengths

Strong Revenue Growth: Evidence indicates processing volume and client counts have risen alongside continued acquisitions and new partnerships, pointing to expanding top-line scale. Directional figures cited (e.g., ~$90B–$125B+ volume and ~150k–190k+ merchants) and an active product cadence support sustained momentum.

Market Expansion: Observations include acquisitions like BlueSnap and PayiQ and new bank/credit‑union partnerships, broadening geographic reach and distribution channels. Added orchestration and cross‑border tools indicate movement toward more global coverage beyond North America.

Product Line Growth: The BlueSnap and PayiQ deals, along with ongoing product updates (orchestration, AR automation, tokenization, intelligent routing, device and platform enhancements), materially expand capability breadth. This positions the platform closer to enterprise‑leaning, full‑stack offerings for ISVs and omnichannel merchants.

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.

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Cloudsmith
Remus Uomo
Fashion • Retail
2 Offices
17 Employees

Remus Uomo provides design-led, formal tailoring and off-duty casuals to men who take a serious attitude towards fashion. The company is based out of Belfast Victoria Square and also has branch in Glasgow Silverburn.

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Remus Uomo
Siemens Energy
Energy • Renewable Energy
2 Offices
43,278 Employees
29 Benefits

Siemens Energy is one of the world’s leading energy technology companies. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world. With its portfolio of products, solutions and services, Siemens Energy covers almost the entire energy value chain – from power generation and transmission to storage. The...

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Siemens Energy
Codat
Fintech • Software • Financial Services
4 Offices
211 Employees
35 Benefits Hiring Now
Through our API, financial service companies can access their small business customers' financial data more efficiently.

Our mission is to make life easier for the lifeblood of economies globally; small and medium-sized businesses. Codat is a universal API for consented business financial data, powering the next generation of products and services for this historically underserved market. We have offices in London, New York, San Francisco, and Sydney. We are a privately held company, and have recently...

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Codat
Siemens Gamesa
Energy • Renewable Energy
3 Offices
21,937 Employees
11 Benefits

Siemens Gamesa is a global technology leader in the renewable energy industry - specifically in the development, manufacturing, installation and maintenance of wind turbines. Being a pioneer in renewables since the 1980s, we put our scale and entrepreneurial culture to work on driving the energy transition towards a sustainable world. We empower our customers, people, and partners to lead the...

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Siemens Gamesa
Adient
Automotive
23 Offices
12,048 Employees
25 Benefits

Adient is a global leader in automotive seating. With approximately 77,000 employees in 32 countries, Adient operates 202 manufacturing/assembly plants worldwide. We produce and deliver automotive seating for all major OEMs. From complete seating systems to individual components, our expertise spans every step of the automotive seat-making process. Our integrated, in-house skills allow us to take our products from research...

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Adient

Adient's Top Stability & Growth Strengths

Strong Market Position & Advantage: Feedback suggests Adient is a perennial top‑two global automotive seating supplier with broad OEM coverage and a large manufacturing footprint. Its end‑to‑end seating capabilities and leadership in key regions, including China, are cited as core advantages supporting program wins and scale.

Strong Revenue Growth: Recent quarters show sales increasing year over year, with management raising full‑year revenue guidance. The return to profit alongside higher volumes indicates improving momentum off a flat‑to‑down base.

Market Expansion: Expansion initiatives include deeper penetration with local OEMs in China, onshoring‑led wins in the Americas, and added foam capacity in Michigan. These moves support future volumes and regional mix improvements.

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Avnet
Hardware • Internet of Things • Logistics • Software
21 Offices
11,000 Employees
32 Benefits

Avnet is a global electronic components distributor with extensive design, product, marketing and supply chain expertise for customers and suppliers at every stage of the product lifecycle. For the past 100 years, Avnet has helped its customers and suppliers around the world realize the transformative possibilities of technology. Our culture was founded on new ideas and emerging technology. Headquartered in...

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Avnet

Avnet's Top Stability & Growth Strengths

Strong Market Position & Advantage: Avnet is consistently ranked among the top global authorized distributors and is one of the top two in North America, reflecting significant scale and purchasing leverage. Fortune 500 standing and multi‑billion‑dollar revenue reinforce leadership across regions and channels.

Strong Revenue Growth: FY2026 results show broad‑based year‑over‑year increases (e.g., Q2 up ~12% and Q3 up ~34%) across regions and both operating groups, with Q4 guidance implying further sequential gains. Momentum spans Electronic Components and Farnell, led by Asia with the Americas and EMEA returning to growth.

Diversified Revenue Streams: A dual‑channel model combining broadline Electronic Components with high‑service Farnell/Newark extends coverage from prototyping to volume production. Multi‑brand, global reach supports participation across varied end markets and regions, reducing reliance on any single vector.

Firstup
Information Technology • Other • Software
3 Offices
259 Employees
33 Benefits Hiring Now

Firstup is redefining the digital employee experience to put people first and lift companies up. We make communication solutions that build authentic engagement and create two-way conversation between employees and companies. Our powerful orchestration engine connects every worker, everywhere, on any device with personalized information that helps them do their best work. That’s why 40% of Fortune 100 companies like...

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Firstup
Honda Trading
2 Offices
257 Employees

Honda Trading Brasil is a retail company based out of Est Estrada Municipal Valencio Calegari, 777, Edif 6d, Sumare, Sp, Brazil.

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Honda Trading
Go Testify
Gaming • Software
Belfast
10 Employees

Testify is a secure self-service platform which allows game companies and publishers the ability to distribute their game(s), watch player sessions and hear honest, unbiased feedback from players across the world in their own environment. A player intelligence platform for the games industry, providing a suite of tools that allows game studios to better understand player behaviour which in turn will...

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Go Testify
The Creative Engagement Group
9 Offices
506 Employees
32 Benefits

The Creative Engagement Group partners with clients to provide employee engagement, learning & training solutions, scientific engagement and capability building, all underpinned by applied behavioural science. It engages internal and external audiences through the creation and delivery of live & virtual experiences, film, branded content, immersive and interactive content.

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The Creative Engagement Group
Kukoon Rugs Limited
Consumer Web • eCommerce • Retail
2 Offices
67 Employees

Kukoon is a family-run e-commerce business based in Newry, Northern Ireland, that specializes in providing high-quality, stylish, and affordable rugs. Starting from a small venture on eBay, it has evolved into one of the UK and Ireland's leading online homeware brands, known for its wide range of beautiful rugs and exclusive designs crafted with global partners and local artists.

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Kukoon Rugs Limited
Keysight Technologies, Inc.
Cloud • Appliances • Industrial • Automation • Manufacturing
28 Offices
12,068 Employees
1 Benefits

Keysight empowers innovators to explore, design, and bring world-changing technologies to life. As the industry’s premier global innovation partner, Keysight’s software-centric solutions serve engineers across the design and development environment, enabling them to deliver tomorrow’s breakthroughs at speed and with reduced risk. Keysight leverages its strength as the world’s leading test and measurement provider and today enables innovators to push the...

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Keysight Technologies, Inc.
CRISIL
Fintech • Payments • Financial Services
11 Offices
6,027 Employees
3 Benefits

CRISIL is an agile and innovative, global analytics company driven by its mission of making markets function better. We are India’s foremost provider of ratings, data, research, analytics and solutions. A strong track record of growth, culture of innovation and global footprint sets us apart. We have delivered independent opinions, actionable insights, and efficient solutions to over 100,000 customers. CRISIL’s...

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CRISIL
Affidea
Healthtech • Professional Services
16 Offices
15,000 Employees
19 Benefits

Affidea is a pan-European diagnostic imaging and community-based polyclinic and specialist healthcare services provider, operating in Greece since 2005 to offer high-quality, integrated primary health services.

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Affidea
BBI Solutions
5 Offices
325 Employees

BBI Solutions - Serving the Science of Diagnostics BBI Solutions is a leading expert in immunoassay development and manufacturing services, and provides an extensive portfolio of products and technologies to the global research and diagnostic markets. The contribution that the BBI Group makes towards achieving this is by adhering to our Mission; ‘To deliver exceptional products and technologies that people rely on to...

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BBI Solutions
Catagen
Greentech • Consulting
2 Offices
54 Employees

CATAGEN’s mission is to clean and decarbonise the air. We are a pioneering green emissions testing facility based in Belfast providing unrivalled metrics to optimise catalyst development and reduce harmful tailpipe emissions. Our expertise in the mobility sector and global emissions standards has led us to develop ClimaHtech technologies including Green Hydrogen. Our Core Business provides GREEN emissions testing to global...

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Catagen

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