New Zealand is known for having one of the emerging information technology ecosystems in the world. In 2025, its IT industry is excelling in areas like Artificial Intelligence, Cybersecurity, Digital Services, and Cloud Computing, providing services from startups to large enterprises. In this article, we will look at the top 10 IT companies in New Zealand in 2025.

Top 10 IT Companies in New Zealand 2025

Datacom Group
Spark Digital
Fujitsu New Zealand
Xero
Optimation Group
Theta Systems
Solnet Solutions
Unisys New Zealand
Essence Software Solutions
Intergen

1. Datacom

One of the largest IT companies in New Zealand is Datacom. It has a significant presence in Southeast Asia and New Zealand. The technology services it offers include cybersecurity, software development, cloud computing, IT, and data centers. It serves industries like education, logistics, government, healthcare, and retail. For global-scale companies, it offers local support. Datacom has partnerships with companies like Google Cloud, AWS, and Microsoft. It is an expert in infrastructure transformation and hybrid cloud, specializing in digital solutions and customer experience. Some of its main projects are for government companies. It offers services like digital transformation, smart city development, and cloud services.

Headquarters: Auckland, New Zealand
Founded: 1965
Employees: 6,500+

2. Spark Digital

New Zealand’s enterprise IT arm is Spark Digital, providing advanced ICT solutions and digital solutions to all types of businesses. Top services offered by Spark Digital include cybersecurity solutions, hybrid cloud services, IoT, edge computing, and business-grade connectivity.

Some of its key services are SD-WAN & cloud solutions, infrastructure services, cloud transformation services, resilience frameworks, and cybersecurity governance services. Their key clients are in the healthcare sector, agriculture, and government. Spark Digital works with public infrastructure and local councils.

3. Fujitsu New Zealand

Fujitsu is one of the top and best IT companies in New Zealand. It focuses on digital transformation, cloud services, Artificial Intelligence solutions, and application services. For both public and private sectors, their team works on managing mission-critical systems.

Some of its main services are IT support & outsourcing, machine learning & Artificial Intelligence, and data center modernization. Industries served by Fujitsu NZ include healthcare, the public sector, transport, and energy. It is well-known for its IT practices.

Headquarters: Auckland
Founded: 1984
Company size: 120,000+

4. Xero

Xero is a cloud-based accounting software designed for small and mid-level businesses, serving 3.7 million users around the globe. It invests in mobile-first development, SaaS architecture, Artificial Intelligence, and automation.

It is built on Amazon Web Services and uses Kubernetes, GraphQL, and Node.js. For financial forecasting, it uses AI and Machine Learning. Some of its special features are API integration for over 1000 apps, a highly scalable and robust architecture, and real-time data visualization.

Headquarters: Wellington
Founded: 2006
Company size: 4,500+

5. Optimation Group

Optimation Group offers DevOps, software development, and native apps. It handles large-scale projects for finance and government. Some of their key strengths are microservices and containerization, agile delivery, UI/UX service design, and API enterprise integrations. It has a special team for legacy modernization and focuses more on user-friendly design and co-creation. It collaborates closely with policy-driven departments.

Headquarters: Auckland, Christchurch
Founded: 1992
Company size: 200 to 500

6. Theta Systems

Theta Systems is an IT consultancy service company focused on data warehousing, BI, software development, cloud migration, and cybersecurity. It is highly known for data and analytics services. Through their smart technologies, Theta helps organizations unlock business value.

Some of their key offerings are Snowflake solutions, Power BI, AWS consultancy, Microsoft Azure, risk audit, and enterprise mobile app development. Theta Systems is recognized as one of the best agile companies in New Zealand and works with healthcare and education clients.

Headquarters: Auckland
Founded: 1995
Company size: 250+

7. Solnet Solutions

Solnet offers custom app development and enterprise-level IT services, focusing on digital services for both the public and private enterprise sectors of New Zealand. Solnet specializes in cloud-native platforms, Java-based solutions, and service integration.

Its expertise includes cloud enablement, digital identity, Spring Boot development, and Java EE. Some of their main projects are agile services for policy-based digital services and modern platforms for education, justice, and transport.

Headquarters: Wellington
Founded: 2002
Company size: ~200

8. Unisys New Zealand

Unisys New Zealand offers services like application services, workplace services, mission-critical services, and cybersecurity solutions. Their team serves airport systems, financial systems, and government agencies.

Some of their service areas are biometric security, secure cloud migration, digital service and support automation, and application modernization for government services. Some of their notable works include a biometric data system for government companies, airport passenger processing systems, and financial infrastructure.

Headquarters: Auckland
Founded: 1945
Company size: 18,000+ employees globally

9. Essence Software Solutions

Essence Software Solutions is a software development company specializing in SaaS platforms, mobile app development, AI, IoT, and UI/UX. They work with agri-based businesses, healthcare, and startups.

They focus on technologies like Node.js, React Native, and Flutter, and offer integration with cloud storage and IoT devices.

Headquarters: Christchurch
Founded: 2014
Company size: ~50

10. Intergen

Intergen is now part of Datacom and is a Microsoft-focused consultancy specializing in Power Platform, Dynamics 365, and Power Platform. Its major focus is on industries like the public sector, retail, and finance. Intergen’s key services include customer insight platforms with the help of BI, CRM & ERP customization, deployment of digital workplace, security compliance, and Azure DevOps.

Their main key features are building more secure and scalable apps and experience in omnichannel platforms. Intergen is a Microsoft cloud partner.

Headquarters: Wellington
Founded: 2001
Company size: ~200

Conclusion

New Zealand’s IT sector reflects a powerful blend of reliability, innovation, and global impact. These top 10 IT companies in New Zealand offer technology solutions that ensure a more secure digital future.

Whether you are an IT professional exploring software opportunities or a business owner looking for an IT partner, this blog will help you find the best one that matches your requirements.