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Top IT Companies in Belfast (124)

Rapid7
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees
120 Benefits Hiring Now
Take Command of your Career

At Rapid7, our vision is to create a secure digital world for our customers, our industry, and our communities. We do this by harnessing our collective expertise and passion to challenge what’s possible and drive extraordinary impact. We’re building a dynamic and collaborative workplace where new ideas are welcome. Protecting 11,000+ customers against bad actors and threats means we’re continuing...

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Rapid7

Rapid7's Top Stability & Growth Strengths

Profitability: Bottom-line performance is strengthening, with consistent earnings beats, improved non-GAAP operating income, and durable free cash flow. Management is prioritizing margin expansion alongside operational efficiency.

Healthy Cash Flow: The business is generating solid free cash flow, with recent periods and guidance pointing to sustained cash generation. This supports stability even as revenue growth moderates.

Strong Market Position & Advantage: The company is repeatedly recognized as a leader in MDR, exposure management, and SIEM by major analyst programs. A large global customer base underscores established scale in its core markets.

iManage
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
8 Offices
1,100 Employees
104 Benefits Hiring Now
Whoever you are, whatever you do, however you work. Make it mean something at iManage.

iManage is dedicated to Making Knowledge Work. Over one million professionals across 65+ countries rely on our intelligent, cloud-enabled, secure knowledge work platform to uncover & activate the knowledge that exists inside their business content and communications. We are continuously innovating to solve the most complex professional challenges & enable better business outcomes. Our work is not always easy but it...

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iManage

iManage's Top Stability & Growth Strengths

Strong Revenue Growth: Annual recurring revenue is described as rising sharply over recent periods with continued uplift into the following year. These signals point to a scaling recurring-revenue model rather than one-off sales.

Market Expansion: Hundreds of new customer logos were added across successive years, with net customer growth and significant increases in cloud usage across regions such as Asia and ANZ. This reflects expansion beyond North America and deeper penetration within the installed base.

Innovation-Driven Growth: Rapid cloud migration and the rollout of AI capabilities (e.g., Ask iManage, AI Enrichment, Insight+) are portrayed as key adoption catalysts. These innovations appear to be driving multi-solution uptake and greater platform stickiness among enterprises.

RigUp
Information Technology • Professional Services • Software • Energy
3 Offices
260 Employees
60 Benefits
RigUp crafts software and services that streamline field operations - from sourcing all the way to payments.

We offer a source to pay solution designed for the energy sector. It streamlines the entire process from finding suppliers to issuing payments. Our goal is to strengthen alignment between field workers and corporate offices.

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RigUp

RigUp's Top Stability & Growth Strengths

Strong Revenue Growth: Historical metrics indicate rapid scaling, with gross revenue rising from under $300M in 2018 to roughly $900M in 2020. Platform volume also surpassed $2B in 2019 alongside very strong year-over-year growth at that time.

Investor Backing & Capital Strength: The company secured major financings, including $300M rounds in 2019 and 2021 at valuations of about $1.9B and $2.9B, bringing total funding above $750M. These rounds signal strong investor confidence during periods when the business was scaling across customers and service categories.

Product Line Growth: Offerings expanded beyond a labor marketplace into an energy-specific source-to-pay and vendor management platform, with additions such as bid management, technology licensing, and an engineering acquisition. Recent moves like launching vendor management, licensing Shell’s U‑lateral technology, and acquiring Codeco‑Vanoco Engineering suggest ongoing product and capability expansion.

Codec
Artificial Intelligence • Cloud • Information Technology • Software
4 Offices
223 Employees
6 Benefits Hiring Now

Established in 1985 and headquartered in Ireland, Codec is a high-growth, leading technology company with offices in Dublin, London, Belfast, and Malta. With a team of over 300 dedicated professionals, we are committed to delivering innovative solutions based on the Microsoft low-code platform. As current Microsoft country partner of the year (for the 4th time), Codec specialises in providing business...

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Codec
TRG Screen
Information Technology • Software
11 Offices
267 Employees
32 Benefits Hiring Now

TRG Screen is the leading provider of software used to monitor and manage subscription spend & usage across the entire enterprise. TRG Screen is uniquely positioned to offer the full spectrum of enterprise subscription management capabilities across: ► Spend management – Optimize Spend (inbound licensing) ► Usage management – ResearchMonitor (online resources, applications & terminals) & XMon (data feeds) ► Enquiry & workflow –...

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TRG Screen
Exegy
Big Data • Fintech • Information Technology • Software • Analytics
7 Offices
130 Employees
20 Benefits Hiring Now

Exegy provides ultra-high performance, hardware-accelerated computing appliances that process market data for financial organizations. Exegy is the established leader in providing real-time market data solutions with an unparalleled combination of speed, capacity, features, and service. Today Exegy serves as a strategic partner to leading principal traders, agency brokers, exchanges, Alternative Trading System (ATS) and dark pool operators, market makers, hedge funds,...

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Exegy
Version 1
Information Technology • Consulting
12 Offices
3,000 Employees
12 Benefits Hiring Now

Version 1 proves that IT can make a real difference to our customers'​ businesses. We are trusted by global brands to deliver IT services and solutions which drive customer success. Our 3000+ strong team works closely with our technology partners to provide independent advice that helps our customers navigate the rapidly changing world of IT. Our greatest strength is balance...

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Version 1
Thales
Artificial Intelligence • Big Data • Information Technology • Security • Software
78 Offices
63,258 Employees
18 Benefits Hiring Now

Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in...

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Thales

Thales's Top Stability & Growth Strengths

Strong Revenue Growth: Sales increased in 2025 versus 2024, with early 2026 also showing higher sales and management guiding to further organic growth in 2026.

Profitability: Adjusted EBIT rose and margins improved in 2025, indicating strengthening operating performance alongside growth.

Resilient & Sustainable Growth: Record order intake and an order book above €53 billion provide multi‑year visibility, and a book‑to‑bill above 1 with reaffirmed 2026 targets supports continued expansion.

System C Healthcare
Edtech • Healthtech • Information Technology • Software
9 Offices
917 Employees
Hiring Now

System C Healthcare is a British health and social care technology company founded in 1983. It develops and deploys IT products and services for the NHS, social service authorities and social care providers. Through its Liquidlogic subsidiary, the company supplies social care and education management solutions that facilitate collaboration across health and care services. Its mission is to deliver technology...

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System C Healthcare
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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.

Yell Limited
Agency • Digital Media • Information Technology • Marketing Tech
2 Offices
1,535 Employees
13 Benefits Hiring Now

Yell is a digital marketing and online directory business in the United Kingdom, offering services such as business listings, reputation reports, website checkers, search marketing, and display advertising to help small and medium-sized businesses improve their online presence.

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Yell Limited
Endeavour Information Solutions
Information Technology • Software
2 Offices
29 Employees

Based in the heart of Belfast and Edinburgh, Endeavour Information Solutions provides technology solutions to organisations across the UK and Ireland. We specialise in Microsoft technologies and solutions such as SharePoint, Office 365, Microsoft Dynamics , Kentico CMS as well as bespoke software development solutions. Endeavour is a member of the Microsoft Partner Network and holds two gold competencies in...

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Endeavour Information Solutions
Haru
Information Technology • Marketing Tech
Belfast
15 Employees

Haru is the quickest way to to sell your clothes for cash. Upload your items in seconds, not minutes. Get paid in days, not weeks. Download the app to start selling in seconds! Haru is proudly powered by RESPONSIBLE, the tech platform revolutionising resale at scale. For news and updates, be sure to follow us at: https://www.linkedin.com/company/get-responsible/

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Haru
Crossvale
Information Technology • Consulting
2 Offices
68 Employees
13 Benefits

We are an IT services company that provides solutions to companies of every size - from small companies to some of the largest global enterprises. Our specialties are: - Digital Transformation - Enterprise Architecture - RedHat OpenShift (PaaS) - RedHat OpenStack (IaaS) - Business Process Management - Service Oriented Architecture (SOA) - Integration - Cloud, Hybrid and On-Prem solutions - MEAN Stack (Mongo, Express, Angular Node) We have operations in USA,...

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Crossvale
Lionsgate
Information Technology • News + Entertainment
4 Offices
1,895 Employees
34 Benefits

The first major new studio in decades, Lionsgate (NYSE: LGF.A, LGF.B) is a global content leader whose films, television series, digital products and linear and over-the-top platforms reach next generation audiences around the world. The Company’s content initiatives are backed by a nearly 17,000-title film and television library and delivered through a global sales and distribution infrastructure. The Lionsgate brand...

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Lionsgate
Millgate
Hardware • Information Technology • Software
2 Offices
139 Employees

At Millgate, our guiding principle is deceptively simple: we deliver tech products, services and solutions that actually work for your business needs. In nearly 30 years since our inception, Millgate has developed a reputation as a trusted adviser to our clients, able to understand their requirements and provide the very best IT & Tech solutions to meet and exceed their individual...

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Millgate
Aflac Northern Ireland
Information Technology • Software • Cybersecurity
Belfast
152 Employees

Turn your obsession for tech into an unbelievable career opportunity with a US Fortune 500* company – right here in Belfast. Aflac Northern Ireland is a Technology and Cybersecurity Innovation Centre, based in Belfast, Northern Ireland. *No. 131 actually, which we’re a wee bit proud of… Even though Aflac is the largest supplier of supplemental health insurance in the US and...

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Aflac Northern Ireland
Syndeo.cx
Information Technology • Software
Belfast
17 Employees

Syndeo means 'to connect'. We’re on a mission to make connecting with your customers using AI as natural and simple as saying ‘hello.’ Our Conversational AI Platform for the Customer Journey makes it easy for businesses to engage with consumers through AI-powered messaging and advanced chat technology. Designed for marketing, sales, and service, Syndeo empowers businesses to drive growth and...

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Syndeo.cx
Lantum
eCommerce • Healthtech • Information Technology • Software
2 Offices
110 Employees
2 Benefits

Lantum is a workforce management platform that makes it easier for healthcare providers to mobilise their workforce, and for clinicians to work more flexibly. Our Connected Scheduling platform gives you a staff bank, rota tool and a clinician network all in one place to improve fill rates, cut admin time, and reduce costs. We started life as Network Locum in...

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Lantum
Imperva
Big Data • Cloud • Information Technology • Security
30 Offices
1,508 Employees
35 Benefits

Imperva is a cybersecurity leader with a mission to protect data and all paths to it. We protect the data of over 6,000 global customers from cyber attacks through all stages of their digital transformation. Our products are informed by the Imperva Research Lab, a global threat intelligence community, that feeds the latest security and compliance expertise into our solutions.

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Imperva

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