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Top Tech Companies in Belfast (503)

Not On The High Street
2 Offices
210 Employees

We are Not On The High Street - The home of epic gifts and small business magic. We help customers celebrate all of life's big and small moments - from birthdays to bad hair days - with thousands of inspiring gift ideas. We're also a curated marketplace, meaning we're home to over 5000 of the UK's best small businesses. Everything...

Not On The High Street
Butterfly
Aerospace
Belfast

Butterfly Flexible Seating Solutions commercializes flexible seating concepts in the world of air, rail, and road transportation. We are affiliated with Hong Kong-based Paperclip Design, an industrial design studio known for its innovative and award-winning design concepts. We believe in the profit potential that flexibility brings to businesses. Our mission is to help companies realize this potential by providing end-to-end product...

Butterfly
Derivco
Gaming • Software • Esports
2 Offices
1,883 Employees
2 Benefits

Derivco is a globally recognised iGaming technology and software development company with a strong presence across multiple locations worldwide. Our offices are strategically located in Cape Town, Pretoria, Malaga, Malta, Isle of Man, Sydney, Gold Coast, London, Ipswich, Barcelona, Stockholm & Orlando, with our headquarters based in Durban, South Africa. At Derivco, we firmly believe in the synergy between technology and...

Derivco
Danfoss
Industrial • Manufacturing
22 Offices
21,746 Employees
13 Benefits

Danfoss engineers solutions that increase machine productivity, reduce emissions, lower energy consumption, and enable electrification. Our solutions are used in such areas as refrigeration, air conditioning, heating, power conversion, motor control, industrial machinery, automotive, marine, and off- and on-highway equipment. We also provide solutions for renewable energy, such as solar and wind power, as well as district-energy infrastructure for cities. Our innovative...

Danfoss

Danfoss's Top Stability & Growth Strengths

Strong Market Position & Advantage: Multiple segments are portrayed as market-leading, including mobile and industrial hydraulics strengthened by the Eaton Hydraulics acquisition, alongside front‑runner positions in climate solutions and top‑tier status in drives. Industry recognitions such as awards for the X1P pump and Turbocor compressors reinforce perceived competitive advantage.

Future-Ready Strategy: Ongoing investment in R&D and the LEAP 2030 agenda target high‑growth areas like data centers, electrification, heat pumps, and refrigerant transitions. Guidance to expand or maintain market share, regional capacity moves, and momentum in India indicate a forward‑leaning posture.

Profitability: Despite revenue pressure, the company maintained double‑digit operational EBITA margins and showed earnings resilience through volatile markets. Margin improvement in Q2 2025 supports stability while growth normalizes.

3DEO (3deo.com)
Information Technology • Big Data Analytics
Belfast
18 Employees

We unlock the power of your data with rapid and customisable solutions, to inform and empower your strategic decisions. We are the experts in combining 3D visualisation, earth observation and big data analytics. At 3DEO, we know it is time-consuming and costly for your organisation to respond to critical situations with the right solution. Our cost-effective and customisable solutions provide...

3DEO (3deo.com)
Sysco Software
Information Technology • Software
2 Offices
120 Employees

Sysco Software is a multi-award-winning, and certified Microsoft Dynamics 365 Business Applications Solution Partner employing more than 110 full-time Dynamics 365 consultants. Sysco Software are uniquely placed to deliver industry specific projects built on the Microsoft Dynamics 365 technology stack, the Power Platform hosted on a secure Microsoft Azure Cloud from offices in Dublin and Belfast. In business for more than 40...

Sysco Software
Hearst
Digital Media • News + Entertainment
27 Offices
3,010 Employees
25 Benefits Hiring Now

Hearst is a leading global, diversified media, information and services company with more than 360 businesses. Its major interests include ownership in cable television networks such as A&E, HISTORY, Lifetime and ESPN; global financial services leader Fitch Group; Hearst Health, a group of medical information and services businesses; transportation assets including CAMP Systems International, a major provider of software-as-a-service solutions...

Hearst

Hearst's Top Stability & Growth Strengths

Strong Revenue Growth: Hearst is described as achieving record revenue in 2024 with a further increase in 2025, indicating continued top-line expansion. Growth is attributed primarily to strong performances in Fitch Group and Hearst Television, alongside the expanding B2B information-services mix.

Diversified Revenue Streams: The portfolio spans B2B information services (financial, health, transportation software/data) as well as magazines, newspapers, television, and cable network stakes, creating multiple earnings engines. The shift toward higher-margin, recurring information services is portrayed as helping offset cyclicality and headwinds in ad-dependent consumer media.

Strong Market Position & Advantage: Fitch Group is positioned as one of the global top credit rating agencies, while Hearst Health, transportation software assets, and several media properties are characterized as leaders or top-tier operators in their niches. This combination of category-leading B2B franchises and scale media assets is presented as a competitive moat that supports resilience.

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...

So Energy
CyberSource
eCommerce
12 Offices
656 Employees
29 Benefits

At Cybersource, we create flexible, creative commerce solutions for everyday life—experiences that delight your customers and spur growth globally.

CyberSource
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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.

Cloudsmith
OneSource Virtual
Information Technology • Software
6 Offices
820 Employees
28 Benefits Hiring Now

OneSource Virtual (OSV) is the Workday partner that has helped more than 1,300 companies with everything from deployment to maintenance to payroll and more—all to make the day more doable. Founded in 2008, OSV pioneered Business Process as a Service (BPaaS) and has become the leading provider of automated solutions for organizations of all sizes using Workday, delivering services with...

OneSource Virtual

OneSource Virtual's Top Stability & Growth Strengths

Strong Market Position & Advantage: Colleagues are often seen as holding a leadership position within a focused Workday BPaaS and managed-services niche, with a scaled footprint across many Workday customers. The exclusive, in-tenant operating model across payroll, tax, payments/AP, and benefits is positioned as a clear differentiator versus broad implementation-led providers.

Investor Backing & Capital Strength: Colleagues are often seen as benefiting from increased financial backing following a majority growth investment by TA Associates, signaling confidence in continued scaling. The investment is framed as fuel for organic growth, innovation, and expanded customer capabilities.

Customer Loyalty & Retention: Colleagues are often seen as supported by durable customer stickiness, highlighted by consistently high retention and large transaction volumes moving through the platform. The combination of long-term Workday ecosystem tenure and repeatable run/operate services suggests stability in ongoing demand.

Biztech Software
Belfast
24 Employees

Biztech Software is the pre-eminent supplier of betting-shop software in Ireland and Northern Ireland, now rapidly expanding its footprint across the UK with a host of established brands and independents. Arkle is its next-generation betting EPOS, facilitating bet-slip processing, acceptance and settling solutions for all betting shops. It is designed to safeguard and streamline any retail outlet, catering for every...

Biztech Software
Evelyn Partners
Fintech • Payments • Financial Services
26 Offices
2,934 Employees
15 Benefits

Life is full of decisions that shape our future, but to make great decisions we need certainty and good advice. At Evelyn Partners (formerly Tilney Smith & Williamson), we have been giving good advice and helping people and businesses flourish for almost 200 years. Our mission is ‘to place the power of good advice into more hands’. We’re committed to...

Evelyn Partners
Blenheim Chalcot
Fintech • Financial Services
5 Offices
2,328 Employees
8 Benefits

We are venture builders, not venture capitalists. We invest more than just funds; we invest our knowledge and experience, our ideas and our infrastructure. Our approach to transforming industries has always been the same. We identify high growth sectors, typically undergoing some market, technology or regulatory discontinuity, and look to build scalable platforms that satisfy a real customer need. We...

Blenheim Chalcot
Papercup
Artificial Intelligence • Digital Media
2 Offices
225 Employees

Papercup is a machine learning start-up transforming the media industry. 99.9% of video content is shackled to a single language. Our ambition is to make the world's video content watchable in any language. We're translating videos by generating voices that sound like the original speaker, not only capturing the characteristics of your voice but also the way you speak.

Papercup
Strikepay
Fintech • Payments • Software • Financial Services
3 Offices
7 Employees

A leading digital tipping company across over 30,000 locations with globally patent-pending technology. 2024 Spiders Awards Winner Sponsored by Deloitte Digital 2024 Finance Award Winner at the ESG Awards in association with Grant Thornton. 2023 Best Payment Solution Award at the National Fintech Awards with Fidelity Investments 2022 Winner At the KPMG Financial Services Awards 2021 Grand Prix Overall Winner at the National Startup...

Strikepay
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,...

Flock (flockcover.com)
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...

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.

OUTSOURCE
Information Technology • Cybersecurity
5 Offices
46 Employees

An award winning, locally owned, IT Managed Security Services Provider (MSSP) working with SME/Enterprise customers across the UK, Ireland and internationally. Outsource solutions and services, covering from 'the desktop to the data centre' are all underpinned by our "Security First" approach and focus on improving the security, performance and productivity of every company we partner with. We also offer a suite...

OUTSOURCE
Sensata Xirgo
30 Offices
74 Employees
36 Benefits

Sensata | Xirgo is a leading provider of innovative, full-featured, application-specific wireless IoT communication devices.

Sensata Xirgo

Sensata Xirgo's Top Stability & Growth Strengths

Strategic Partnerships: A broad channel network with over 900 partners and embedded roles with telematics service providers extends reach and supports large-scale deployments. Established footprints across thousands of channel deployments and significant SmartWitness video volumes reinforce partner-led distribution.

Diversified Revenue Streams: Hardware, AI video (SmartWitness), and Elastic M2M software create multiple monetization paths, including tens of millions in recurring service revenue. This portfolio allows partners to assemble full solutions without the company needing a single branded platform.

Future-Ready Strategy: Combining telematics devices, AI dashcams, and middleware positions the business in growth areas like video telematics and IoT. Strategy statements emphasize building blocks for end-to-end solutions that align with evolving safety and compliance use cases.

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