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Top Tech Companies in Belfast (503)

First Advantage
Information Technology
2 Offices
3,712 Employees
28 Benefits

First Advantage delivers comprehensive background check solutions and insights that enable employers and housing providers to make confident choices, reduce risk, and maintain compliance. With offices in 26 locations and a staff of 4,000+ employees, First Advantage leverages leading technology and the industry’s largest global capabilities to complete background checks in 200+ countries and territories. If you’re looking for employee...

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First Advantage

First Advantage's Top Stability & Growth Strengths

Strong Market Position & Advantage: First Advantage is positioned as a top-tier provider in background screening following the Sterling Check acquisition, creating a combined business with substantial scale and broad product capabilities. The company’s global footprint and deep enterprise penetration support competitiveness for large, compliance-sensitive programs.

Strong Revenue Growth: Revenue expanded materially from 2024 to 2025, reflecting the step-change from the Sterling acquisition alongside cited commercial momentum. Forward guidance for 2026 indicates continued year-over-year top-line growth off the larger base.

Customer Loyalty & Retention: Customer retention is described as strong, with retention in the mid-to-high range and notable growth attributed to upsell, cross-sell, and new logos. This suggests a relatively sticky customer base supporting resilience through varying hiring cycles.

Eliassen Group
Professional Services • Consulting
26 Offices
1,152 Employees
18 Benefits

Eliassen Group is a leading strategic consulting company that provides business, clinical, and IT services for our clients as they seek to transform and execute strategies that will drive exceptional outcomes. Leveraging over 30 years of success, we focus on clinical solutions, professional services, and talent solutions. Eliassen Group positively impacts the lives of our employees, clients, consultants, and the...

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Eliassen Group

Eliassen Group's Top Stability & Growth Strengths

Market Expansion: Acquisitions such as VIA Technical, SafeNet Consulting, and The Evanston Group broaden geographic reach and deepen technology and life sciences capabilities. Maintaining a national office footprint and adding presence in key regions signal deliberate growth in addressable markets.

Strong Brand Reputation: Industry accolades like repeated U.S. Best Managed Company honors and ClearlyRated Best of Staffing Diamond awards highlight sustained external validation of quality and performance. Recognition by sector publications and lists reinforces credibility within staffing and consulting niches.

Future-Ready Strategy: Emphasis on digital transformation, AI data services, cybersecurity, and cloud infrastructure points to proactive positioning for evolving client needs. Partnerships and platform integrations, including operational systems consolidation, are positioned to support scale and innovation.

Northrop Grumman
Aerospace • Logistics • Security • Software • Cybersecurity
33 Offices
85,636 Employees
42 Benefits

We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation...

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Northrop Grumman

Northrop Grumman's Top Stability & Growth Strengths

Resilient & Sustainable Growth: Sales have been rising with management raising 2026 guidance, and a book-to-bill above 1 supports continued expansion from a record backlog. Quarterly gains across multiple periods point to steady, durable top-line momentum rather than one-off spikes.

Strong Market Position & Advantage: Prime roles on the B-21 Raider and LGM-35A Sentinel, along with top-tier industry rankings, demonstrate durable competitive standing in high-priority defense domains. A large, multi-year backlog underpins this position with clear demand visibility.

Diversified Revenue Streams: Multiple operating segments (Aeronautics, Mission Systems, Defense Systems, Space Systems) are contributing to sales and new awards, with several major programs ramping. Backlog and awards are distributed across sectors and programs, reducing reliance on any single line of business.

RealPage, Inc.
Real Estate • Software • PropTech
7 Offices
8,000 Employees
33 Benefits
RealPage is a leading SaaS provider for the multifamily and rental housing industry.

RealPage is the leading global provider of AI-enabled software platforms to the real estate industry. By using RealPage solutions for operational excellence in the front office and back office, many leading property owners, operators and investors gain transparency into asset performance with data insights, enhancing experiences with customized tools and improving efficiencies to generate incremental yield. Founded in 1998 and...

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RealPage, Inc.

RealPage, Inc.'s Top Stability & Growth Strengths

Strong Market Position & Advantage: RealPage is positioned as a leader in multifamily revenue management and a top-tier provider in broader multifamily software, supported by references to large enterprise penetration and an extensive end-to-end suite. Category dominance signals in the revenue-management niche and frequent placement among the default enterprise choices indicate durable competitive advantage in its core markets.

Investor Backing & Capital Strength: Private-equity ownership under Thoma Bravo following a multibillion-dollar take-private is presented as providing resources to keep investing in the platform and acquisitions. This capital backing is framed as supporting continued competitiveness and resilience despite market and regulatory uncertainty.

Product Line Growth: Recent acquisitions (e.g., Livble and Rexera) and continued AI-feature rollouts are described as expanding RealPage’s platform into payments, agentic-AI workflows, and broader operational modules. The reported growth in units served and emphasis on AI-enabled screening/CRM/operations reinforce ongoing product-scope expansion beyond rent pricing alone.

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
Dun & Bradstreet
Artificial Intelligence • Big Data • Fintech • Machine Learning • Software • Generative AI • Big Data Analytics
32 Offices
6,317 Employees
38 Benefits
Leading global provider of business decisioning data and analytics, enabling companies to improve business performance.

Dun & Bradstreet, a leading global provider of business decisioning data and analytics, enables companies around the world to improve their business performance. Dun & Bradstreet’s Data Cloud fuels solutions and delivers insights that empower customers to accelerate revenue, lower cost, mitigate risk, and transform their businesses. Since 1841, companies of every size have relied on Dun & Bradstreet to...

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Dun & Bradstreet

Dun & Bradstreet's Top Stability & Growth Strengths

Strong Market Position & Advantage: Feedback suggests D&B is broadly viewed as a category leader in commercial business identity, risk/credit, and KYC data, anchored by the D‑U‑N‑S identifier and extensive global coverage. Independent analyst recognition and deep enterprise adoption indicate an entrenched role across core workflows.

Strategic Partnerships: Feedback suggests D‑U‑N‑S and D&B’s entity‑resolution are embedded in major data/AI marketplaces and financial data partnerships. These integrations reinforce its foundational position in B2B data plumbing and extend distribution across ecosystems.

Resilient & Sustainable Growth: Feedback suggests revenue and organic growth were modest but positive into 2025, with indications of margin improvement. Guidance and early‑2025 results pointed to continued low single‑digit organic expansion.

Grafana Labs
Software
4 Offices
1,300 Employees
34 Benefits Hiring Now
Grafana Labs creates leading open-source tools for visualizing operational data, with 1000+ employees in 20+ countries.

Grafana Labs provides an open and composable monitoring and observability stack built around Grafana, the leading open source technology for dashboards and visualization. There are more than 5,000 Grafana Labs customers, including Bloomberg, Citigroup, Dell Technologies, Salesforce, and TomTom, and more than 20 million users of Grafana around the world. Grafana Labs helps companies manage their observability strategies with the...

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Grafana Labs

Grafana Labs's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue scale is described as expanding to annual recurring revenue above $400M by late 2025 and reiterated entering 2026 at that level, indicating ongoing commercial momentum.

Strong Market Position & Advantage: Market standing is positioned as top-tier through consecutive Gartner Magic Quadrant Leader placements and deep enterprise adoption signals such as large-company reference customers and stated Fortune 50 penetration.

Investor Backing & Capital Strength: Capital strength is supported by continued investor activity including a sizable secondary transaction in September 2025 and earlier large financing rounds, suggesting sustained access to funding amid scaling.

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
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
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Perforce Software
18 Offices
1,135 Employees
35 Benefits

The best run DevOps teams in the world choose Perforce to remove bottlenecks to speed up and deliver app experiences that move the needle. With Perforce’s suite of products built to develop and maintain high-stakes applications, companies can finally manage complexity with efficiency, achieve speed without compromise, and run their DevOps toolchains with full integrity. Perforce gives customers a DevOps...

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Perforce Software
Aspect Software
7 Offices
972 Employees
23 Benefits

Decades of expertise distilled into innovative workforce tools. Welcome back to Aspect—where our history of innovation turns towards the future of workforce technology. As a brand that has shaped the modern contact center with groundbreaking innovations like the first Automatic Call Distribution (ACD) system and the first Workforce Management Software, Aspect’s legacy is unparalleled. We are returning to our roots as the...

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Aspect Software
Sonrai Analytics
Artificial Intelligence • Machine Learning • Analytics • Automation
Belfast
35 Employees

The advent of multi-modal data collections has unlocked an opportunity for in-depth and multi-faceted data analytics. However, it has also enforced a clear need for better data management and surveillance along with the reliable reproducibility of such analytics. Managing modern data clusters in an active and thriving business paradigm requires a stringent and reliant framework structure that is both scalable...

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Sonrai Analytics
Dye & Durham Corporation
Fintech • Legal Tech • Payments • Software
24 Offices
1,200 Employees
13 Benefits

Dye & Durham is a global leader in legal technology that provides cloud-based practice management software, payments infrastructure, and data insights. The company serves legal professionals and financial institutions across five continents, helping them manage workflows, regulatory requirements, and critical transactions efficiently. They are a publicly traded company on the Toronto Stock Exchange (TSX: DND) and focus on driving innovation...

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Dye & Durham Corporation
Paramount
Digital Media
20 Offices
40,347 Employees
46 Benefits

Paramount is a leading media and entertainment company that creates premium content and experiences for audiences worldwide. Driven by iconic studios, networks and streaming services, Paramount's portfolio of consumer brands includes CBS, Showtime Networks, Paramount Pictures, Nickelodeon, MTV, Comedy Central, BET, Paramount+, Pluto TV and Simon & Schuster, among others. Paramount delivers the largest share of the U.S. television audience...

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Paramount

Paramount's Top Stability & Growth Strengths

Profitability: Direct-to-consumer performance is described as improving year over year, with streaming profitability metrics and adjusted OIBDA trending better and management emphasizing a path toward stronger margins. Engagement signals such as rising watch time per user and lower churn are positioned as supportive of healthier unit economics.

Strong Market Position & Advantage: Broadcast TV strength is highlighted through CBS’s consistent top positioning in U.S. broadcast viewing, reinforcing defensible reach in linear television. Pluto TV is described as one of the largest FAST platforms, supporting a meaningful position in free ad-supported streaming.

Future-Ready Strategy: Streaming is framed as the primary growth engine, with increased 2026 content investment and product/pricing moves intended to lift ARPU and support profitability improvements. The long-term NFL rights and planned sports additions are positioned as durable demand anchors that can reinforce the streaming transition.

Magellan Aerospace
Aerospace • Manufacturing
17 Offices
1,800 Employees
25 Benefits

Magellan has more than 90 years of collective knowledge and experience in the aerospace industry. The organization officially adopted the name Magellan Aerospace Corporation in 1996; deriving it from the intrepid explorer Ferdinand Magellan. His global exploits at the turn of the 15th century established a number of firsts. Magellan’s vision was to carry this same legacy into the future...

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Magellan Aerospace
Advanced
Software • Business Intelligence
10 Offices
2,685 Employees
15 Benefits Hiring Now

Founded in 2008 Advanced has grown into of the UK’s largest providers of business software and services serving 20,000 global customers with an annual turnover of £330M+. We manage 1.5 million 111 calls per month, support over 2 million FE learners across the UK, handle over 10 million wills, and so much more. Powering the world of work. We power...

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Advanced
GWI
Other
6 Offices
679 Employees
30 Benefits

We’re the target audience company that does things a bit differently. Our job is to cut through the noise and give you facts you can trust. Our flagship study represents more than 2 billion people around the world, and it tells you how consumers are changing; their actions, ideals, perceptions, feelings... (you get the gist). The world’s largest (and smallest)...

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GWI
Heidrick & Struggles
HR Tech • Consulting
14 Offices
2,093 Employees
26 Benefits

We Help Our Clients Change The World, One Leadership Team At A Time®. Heidrick & Struggles International, Inc., (Nasdaq:HSII) serves the executive talent and leadership needs of the world's top organizations as the premier provider of leadership consulting, culture shaping and senior-level executive search services. Heidrick & Struggles pioneered the profession of executive search more than 60 years ago. Today, the...

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Heidrick & Struggles

Heidrick & Struggles's Top Stability & Growth Strengths

Strong Revenue Growth: Company disclosures indicate steady year-over-year growth in 2024 and accelerating gains through the first three quarters of 2025. Management cited broad-based momentum across Executive Search, On‑Demand Talent, and Consulting.

Diversified Revenue Streams: The business has expanded beyond executive search into leadership consulting and on‑demand/interim talent, with each line contributing to recent growth. This mix supports capacity to serve end‑to‑end leadership needs and reduces reliance on a single offering.

Strong Market Position & Advantage: Independent rankings and industry references consistently place the firm in the top tier alongside other global leaders. Thought leadership and recurring inclusion in major lists reinforce access to high‑stakes board and C‑suite mandates.

Diaceutics PLC
Pharmaceutical • Manufacturing
4 Offices
170 Employees
Hiring Now

At Diaceutics we believe that every patient should have access to the right treatment at the right time. We provide the world’s leading pharmaceutical companies with an end-to-end solution for the launch of precision medicine diagnostics enabled by DXRX – The Diagnostic Network®. DXRX is the world’s first diagnostic commercialization platform for precision medicine, integrating multiple pipelines of real-world diagnostic...

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Diaceutics PLC
RETìníZE
Artificial Intelligence • Software • Virtual Reality
Belfast
22 Employees

RETìníZE is one of the world’s leading creative-tech companies, working across AR, VR, AI and software development. It’s best know for its realtime immersive animation product. Animotive that’s harnessing spatial computing, generative AI and realtime-rendering tech to make 3D animation production fast, fun and affordable. Animotive is democratizing the 3D animation production pipeline by tearing down the technical barriers and...

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RETìníZE

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