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Top Tech Companies in Belfast (503)

Marsh McLennan
Fintech • HR Tech • Insurance • Consulting
35 Offices
78,000 Employees
37 Benefits Hiring Now

Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance...

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Marsh McLennan

Marsh McLennan's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue expanded across 2024–2025, including double-digit reported growth in 2025 alongside continued underlying growth, with quarterly updates showing consistent momentum.

Diversified Revenue Streams: The business mix spans insurance broking, reinsurance, human capital, and strategy consulting, which helps smooth performance across insurance pricing cycles and broader macro conditions.

Healthy Cash Flow: Cash generation strengthened versus the prior year alongside margin progress, and the company returned significant capital through share repurchases, indicating strong cash conversion and financial flexibility.

Haier Europe
Internet of Things • Appliances
3 Offices
2,635 Employees

Haier Europe is part of the Haier Smart Home, the No. 1 company globally in major appliances and among the Fortune's Global 500 and World's Most Admired Companies. Haier Smart Home has a network of 10 R&D centers, 71 research institutes, 35 industrial parks, 143 manufacturing centers and a sales network of 230,000 nodes around the world. We are the...

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Haier Europe
IntrinsicAi
Artificial Intelligence
Belfast

We help organisations harness the power of artificial intelligence through three core service offerings: • AI Strategy: We develop strategic roadmaps that align AI initiatives with business goals, identifying high-impact opportunities and creating practical implementation plans for successful digital transformation. • Generative AI & Machine Learning: From traditional predictive analytics to cutting-edge generative systems, we build bespoke AI solutions that enhance customer...

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IntrinsicAi
AesthetiDocs
Healthtech • Software
Belfast
5 Employees

AesthetiDocs combines Online Bookings & Documentation providing everything you need to run your whole clinic. Take your Aesthetic Clinic to the next level with AesthetiDocs bespoke booking and documentation application. Bookings, reminders, consent, documentation, prescriptions, aftercare photographs and payments can be managed by yourself or your clinic staff depending on your needs. A simple way to ensure you’re doing everything correctly to run...

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AesthetiDocs
Axial3D
3D Printing
Belfast
56 Employees

Axial3D, a leader in medical segmentation and 3D printing, provides hospitals and medical device manufacturers access to an easy-to-use, repeatable, and scalable way to transform 2D medical image data into 3D. Through our 510(k) cleared, AI-driven, cloud-based segmentation platform, we automate the conversion of patients’ DICOM data into accurate and data rich 3D visualizations, printable and mesh files, and 3D...

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Axial3D
Incubeta
AdTech • Digital Media • Marketing Tech
19 Offices
861 Employees
10 Benefits

Incubeta is a team of over 800 creators, thinkers, makers and doers working across 20 offices globally to unlock business growth for clients including Google, Hyundai, Netflix, HBO and L'Oréal. Incubeta combines capabilities across the full spectrum of digital disciplines to deliver standout outcomes at every brand touchpoint, from awareness to fulfilment. Incubeta’s ‘Upgrade your Growth’ narrative emphasizes how the business...

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Incubeta
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.

Fibrus
Information Technology • Other
3 Offices
393 Employees

Our mission is to bring Full Fibre broadband to homes and businesses across Northern Ireland and Great Britain, especially to those who need it most. Powered by Wi-Fi 6 technology and the award-winning Amazon eero router, our customers get fibrefast speeds all around their home. That’s why we’re one of the fastest-growing broadband companies in Northern Ireland and Great Britain. Our...

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Fibrus
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
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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
AntennaWare
Hardware • Internet of Things • Wearables
Belfast
7 Employees

AntennaWare is an innovative antenna technology company that is revolutionising wireless communications in wearable IoT, audio, healthcare and sport applications/devices.

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AntennaWare
Marvel Marketers
Marketing Tech • Automation
4 Offices
89 Employees

Marvel Marketers is an award-winning global marketing agency that dedicates itself to setting the standards for industry excellence. With an original focus on marketing automation and Marketo, the Marvel Marketers’ team has grown to include strategic experts in creative content, technology solutions, account-based marketing (ABM) , events marketing, and data analysis. Professor M’s Academy, Marvel Marketers’ training arm, was the first...

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Marvel Marketers
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
Zopa Bank
Fintech • Payments • Financial Services
2 Offices
735 Employees
17 Benefits

We’re Zopa, and we want to make money work better for you. Our diverse team is united in their mission of creating simple, fair and honest financial products that have the customer’s needs at their heart. We’re proud that this dedication is reflected in our excellent rating on TrustPilot. We’ve always been unapologetically honest with our customers, and value the...

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Zopa Bank
Selective Travel Management
Belfast
98 Employees

Founded in 1972 as part of the World Travel Centre Group in Dublin, Selective Travel Management is based in Belfast and specialises in managing corporate and business travel for various industry sectors including Government Bodies, Higher Education, SME's, Charity and Missionary, Film and Entertainment, and Groups and Events. With our significant buying power, which only comes from over 50 years’ experience...

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Selective Travel Management
Funds-Axis Limited
Fintech • Software • Financial Services
2 Offices
56 Employees

Funds-Axis is a RegTECH (Regulatory Technology) company, with a unique combination of regulatory expertise and best-of-breed technology. We are taking the complex challenges with risk, compliance and regulatory reporting and are making them very simple. For investment managers and depositaries having to comply with increasing demands for investment compliance, risk and regulatory reporting, our solutions enable you to quickly meet the regulatory...

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Funds-Axis Limited
See.Sense
Artificial Intelligence • Software
Newtownards
17 Employees

See.Sense is on a mission to make cycling better - by making it safer, more convenient and even more enjoyable. See.Sense uses patented sensor technology and AI to improve the safety and experience of the rider and empower cities with powerful data insights that lead to actionable outcomes. Our award-winning intelligent and connected bike lights and GPS bike trackers gather deep...

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See.Sense
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
Ensono
Cloud • Information Technology
12 Offices
3,000 Employees
14 Benefits Hiring Now
Support mission critical workloads, modernize IT infrastructure and reduce total cost of ownership.

Ensono helps IT leaders be the catalyst for change by harnessing the power of hybrid IT to transform their businesses. Our broad services portfolio from mainframe to cloud, powered by an intelligent governance platform, is designed to help our clients operate for today and optimize for tomorrow. We are award-winning certified experts in AWS & Azure

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Ensono

Ensono's Top Stability & Growth Strengths

Strong Revenue Growth: Company disclosures indicate revenue expanded from about $224M at inception to roughly $1.1B and clients grew to 250+ by January 2026, reflecting sustained scale-up. Additional signals such as headcount increases and the launch of an AI & Innovation Division reinforce ongoing momentum.

Strong Market Position & Advantage: Multiple independent analyst assessments (ISG, Everest, IDC) place the company as a Leader in mainframe services and modernization, with Gartner listing it in a 2024 Market Guide for the niche. Credentials like the AWS Mainframe Modernization Competency and public-sector recognitions further underpin competitive strength in this segment.

Investor Backing & Capital Strength: Ownership by KKR since 2021 and a stated $250M, five‑year AI investment plan indicate access to capital supporting expansion and R&D. Capability-expanding acquisitions such as Amido and ExperSolve align with a funded growth strategy.

CGI
Information Technology
65 Offices
91,500 Employees
42 Benefits
We are one of the largest IT and business consulting firms in the world with over 90,000 members across 400 offices.

Serving clients since 1976, we help governments and iconic brands solve business challenges with technology solutions in the areas of digital transformation, advanced analytics, intelligent automation, cloud and IT modernization and sustainability.

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CGI

CGI's Top Stability & Growth Strengths

Strong Revenue Growth: Disclosures indicate FY2025 revenue of C$15.91B grew 8.4% year over year (4.6% in constant currency), with Q4‑FY2025 up 9.7%. This represents a clear acceleration versus FY2024’s modest growth baseline.

Market Expansion: Reported bookings of C$17.57B (110% book‑to‑bill) and a year‑end backlog of C$31.45B (about 2x annual revenue) signal expanding demand and visibility. Ongoing acquisitions, including Online Business Systems, broaden capabilities and North American reach.

Investor Backing & Capital Strength: Management increased the dividend by 13% and maintained strong operating cash flow, supporting continued M&A and shareholder returns. These actions indicate confidence in cash generation and balance‑sheet capacity.

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