A guide to sler in japan

Ultimate Guide To Sler In Japan

In Japan, SIer, or System Integrator, is a crucial entity within the IT landscape, playing a pivotal role in system development. SIers are companies dedicated to providing comprehensive services related to system integration, covering aspects such as planning, design, development, testing, and ongoing maintenance. They serve a diverse clientele, including both general companies and government offices, assisting them in navigating the complexities of modern information technology.

Sler’s Definition and Importance in the IT Landscape

Sler, short for System Integrator, refers to a company that assumes responsibility for the entirety of a client’s system development needs. This encompasses a broad spectrum of tasks, ranging from devising optimal plans to address client issues to the actual implementation and maintenance of the developed systems. Sler companies are vital contributors to the IT landscape, bridging the gap for businesses lacking IT expertise and ensuring the seamless integration and operation of systems in an increasingly technology-driven society.

The importance of Sler in the IT sector in Japan cannot be overstated. As businesses, regardless of size, grapple with the complexities of IT infrastructure, Sler companies become indispensable partners. They not only provide technical solutions but also contribute to strategic planning, offering expertise that enables clients to align their systems with organizational goals. Sler’s role extends beyond mere service providers; they are integral collaborators in shaping the IT strategies of the companies they serve.

The history of SIers in Japan can be traced back to the 1960s when the Japanese government encouraged the formation of domestic system integrators to counteract IBM’s growing dominance in the Japanese IT market. The first SIers were established by major Japanese IT companies such as Fujitsu, Hitachi, and NEC. The government’s support, including financial assistance and regulatory backing, was crucial for the early growth of SIers.

System Integrators (Slers) vs. System Engineers (SEs)

It’s essential to distinguish between SIer and System Engineers (SEs) to gain a comprehensive understanding of their roles. While SEs are individuals specializing in system development, working in various capacities like network engineers, database engineers, and security engineers, SIer refers to the entire company engaged in system integration.

The distinction lies in the scale and scope of their involvement. SEs operate within an organization, focusing on specific tasks or roles, whereas SIers, as corporate entities, take on end-to-end responsibilities for system development projects. SEs can be part of a SIer, contributing their expertise to specific aspects of a larger project.

For expert insights on System Integrators, listen to our podcast episode with Younes Hairej, founder and CEO at Aokumo. 

What are the Types of SIers and Their Roles?


System Integrators (SIers), diversity exists in terms of their types, each with distinct roles and contributions to the field of system development. SIers can be broadly categorized into different types, each characterized by unique business content and operational approaches. Understanding these types provides insight into the varied landscape of companies involved in system integration.

Independent Sler:

Independent SIers operate autonomously without affiliations to a parent company. They distinguish themselves by handling all aspects of the process, from securing projects through sales activities to system construction and operation. Notable examples include transcosmos, Obic, and Otsuka Shokai. In this setup, engineering skills and results often correlate with career advancement and salary increases.

User Sler:

User-based SIers typically have financial institutions, such as banks and insurance companies, as their parent organizations. These subsidiaries cater to the information-intensive needs of large corporations, offering secure and tailored systems. Prominent examples include Itochu Techno Solutions, Softbank Technology, and NTT Data.

Manufacturer Sler:

Manufacturer-related SIers are entities that emerged independently from the software development divisions of hardware-focused companies, particularly those dealing with supercomputers and other hardware technologies. This category includes companies like Hitachi Solutions, Toshiba Solutions, and Mitsubishi Electric Information Technology. Due to the sustained demand in the hardware sector, these SIers offer stable career prospects for system engineers.

Let us help you 2x-5x your business in Japan

We can help you scale your company in Japan and internationally through one on one and group coaching, online courses, and a marketing agency service.

Untitled design (3)

Foreign-affiliated SIer:

Foreign-affiliated SIers are primarily global companies with projects involving the introduction of foreign technology into Japan or the expansion of domestic companies overseas. Influenced by their overseas headquarters, these SIers engage in global projects, emphasizing merit and results. Examples encompass Cisco Systems, Oracle Japan, and other subsidiaries of international corporations.

Consulting SIer:

Consulting SIers specializes in providing consulting services that leverage systems to address corporate challenges. Their focus is on improving business strategies rather than extensive programming development. Although they may handle fewer projects compared to other SIers, consulting SIers, such as the Japan Research Institute and the Nomura Research Institute, are known for offering higher average annual salaries.

For more information on Japanese multinational companies, refer to our article Why Japanese Multinational Companies Matter Today.

How do Slers in Japan Help You Scale Your Business??

SIers play an important role in the growth and efficiency of businesses, providing essential services that contribute to the scalability and success of various enterprises.

Facilitating Business Growth and Efficiency

SIers contribute significantly to business scalability by offering comprehensive system development services. In Japan, a substantial percentage of companies leverage the expertise of SIers to address their IT needs and foster growth. According to recent statistics, 23% of Sler projects are for the IT industry, 22% for manufacturing, 19% for finance, 10% for information and communications, 8% for government offices, and 6% for wholesale/retail. This highlights the integral role these companies play in supporting the IT infrastructure of diverse industries.

The involvement of SIers in system integration allows businesses to streamline their operations, enhance efficiency, and adapt to the dynamic technological landscape. Whether it’s developing customized systems, ensuring seamless integration of diverse IT components, or providing ongoing maintenance, SIers enable companies to focus on their core competencies while leaving the complexities of IT management to the experts.

Case Studies and Examples

To illustrate the impact of SIers on business scalability, let’s explore a few case examples:

Case Study 1: Streamlining Operations in the Financial Sector

A major financial institution partnered with a leading User-sler to enhance its IT infrastructure. The SIer, leveraging its expertise in system integration, developed a secure and efficient system tailored to the specific needs of the financial sector. This streamlined the institution’s operations, improved customer service, and contributed to overall business growth.

Case Study 2: Global Expansion with Foreign-affiliated SIer

A multinational corporation aiming for global expansion collaborated with a Foreign-affiliated SIer. The SIer facilitated the introduction of cutting-edge foreign technology into the corporation’s Japanese operations, enabling a seamless integration of global IT practices. This partnership not only enhanced the company’s competitiveness but also contributed to its successful expansion into new markets.


How to Choose the Right SIer for Your Business?

Selecting the right SIer is a critical decision that can significantly impact the success of your business. Understanding the factors to consider and ensuring alignment between the SIer’s capabilities and your business needs is essential for a fruitful partnership.

Younes Hairej, CEO of Aokumo, emphasized the importance of evaluating an SIer’s experience in specific technologies relevant to your business needs. For instance, Aokumo focuses on cloud infrastructure, so choosing an SIer with a strong track record in cloud services was crucial for their operations. Additionally, Younes highlighted the significance of assessing the SIer’s communication style. Some SIers prefer a hierarchical approach, while others might integrate developers directly into your team. Ensuring alignment in working styles can lead to a more seamless collaboration.

Expertise and Industry Experience:

Examine the SIer’s expertise and experience in your industry. A well-established track record in similar business domains indicates a deeper understanding of industry-specific challenges and requirements.

Technical Proficiency:

Evaluate the technical skills and capabilities of the SIer. Assess their proficiency in relevant technologies, programming languages, and system architectures to ensure compatibility with your business’s IT infrastructure.

Scalability and Flexibility:

Consider the scalability and flexibility of the SIer’s solutions. A good SIer should be able to accommodate your business’s growth, offering scalable systems that adapt to evolving needs and technological advancements.

Project Management and Communication:

Effective project management and communication are crucial for successful integration. Assess the SIer’s project management methodologies, communication practices, and transparency in keeping you informed about project progress.

Client References and Reviews:

Seek client references and reviews to gain insights into the SIer’s reputation and performance. Feedback from previous clients can provide valuable perspectives on the SIer’s reliability, project delivery, and overall satisfaction.

Customization and Tailored Solutions:

Ensure that the SIer can provide customized solutions tailored to your business requirements. A one-size-fits-all approach may not address unique challenges, so look for an SIer that can adapt its services to meet your specific needs.

Integration with Existing Systems:

Evaluate how well the SIer can integrate their solutions with your existing IT infrastructure. Seamless integration is crucial for minimizing disruptions and ensuring a smooth transition to the new system.

Future-Proofing and Innovation:

Consider the SIer’s commitment to future-proofing your systems and incorporating innovative technologies. A forward-thinking SIer will help your business stay competitive by adopting emerging trends and advancements in the IT landscape.

Check out our podcast episode with John Kirch for Tech Market Entry in Japan insights. 

5 Best Practices to Work with SIers

Collaborating with System Integrators (SIers) demands a strategic approach to ensure a smooth and successful partnership. Implementing best practices for effective collaboration and managing projects and expectations is vital for maximizing the benefits of your engagement with an SIer. Here are 5 tips from Younes Hairej, a Professional system integrator in Japan and CEO of Aokumo.

Struggling To Close Sales in Japan?

Boost your website’s visibility and conversion with our Expert SEO and marketing services!

  1. Establish Robust Communication Channels: During a critical cyberattack, Younes shared that having well-defined communication protocols with their SIer allowed for a swift and effective response.
  2. Define Clear Objectives: Younes emphasized the importance of clearly defining which parts of the tech stack to build in-house versus outsourcing. This strategic decision helps streamline operations and maintain control over critical aspects of IT infrastructure.
  3. Engage in Collaborative Planning: Younes mentioned that involving key stakeholders from both the company and their SIer in planning meetings helps align strategies and anticipate potential risks, leading to smoother project execution.
  4. Provide Regular Progress Updates: Regular updates are essential. Younes ensured that their SIer provided frequent progress reports, which allowed them to track milestones and address issues proactively.
  5. Advocate for Agile Methodologies: Younes often advocates for Agile methodologies, allowing for flexibility and iterative development. This approach enables adjustments based on real-time feedback, ensuring that projects stay aligned with business needs.
sler in business

Managing Projects and Expectations

Comprehensive Project Management: Employ robust project management practices to oversee the entire development process. Effective project management includes defining roles and responsibilities, establishing timelines, and implementing quality assurance measures.

Addressing Challenges Proactively: Anticipate and address challenges proactively. A proactive approach to problem-solving helps prevent potential roadblocks and ensures that any issues are addressed swiftly, minimizing disruptions to the project timeline.

Let us help you 2x-5x your business in Japan

Scale your business in Japan and beyond. Discover our capabilities – dive into our case studies and see the difference we can make!

Untitled design (4)

Document Agreements: Document all agreements, decisions, and changes in a formalized manner. Having a comprehensive record of discussions and agreements serves as a reference point, reducing misunderstandings and facilitating smoother collaboration.

Performance Metrics and KPIs: Establish performance metrics and key performance indicators (KPIs) to measure the success of the collaboration. Clearly defined metrics enable both parties to assess the project’s progress and identify areas for improvement.

For more insights on tech in Japan, read our article Japanese Tech Companies. 

SIers are integral to Japan’s IT landscape, significantly influenced by the country’s risk-averse business culture. Younes Hairej of Aokumo noted that Japanese companies often outsource IT needs to trusted third-party providers. Government-driven IT spending has also played a crucial role, carving out profitable niches for SIers. Additionally, Japan’s emphasis on producing highly skilled engineers has created a robust talent pool for SIers. These factors underscore the critical role SIers play in the strategic planning and technological advancement of businesses in Japan.

Emerging Technologies and Impact

  • Artificial Intelligence and IoT Integration: The future of SIers in Japan is marked by an increased integration of Artificial Intelligence (AI) and Internet of Things (IoT) technologies. AI will enhance system efficiency, automate complex tasks, and provide intelligent insights. Simultaneously, IoT integration will involve connecting and managing networks of smart devices, optimizing data collection, analysis, and decision-making processes.
  • Cybersecurity and Cloud Computing Advancements: As cyber threats grow in sophistication, SIers will prioritize robust cybersecurity integration, implementing advanced measures to protect systems and data. Additionally, the adoption of cloud computing will accelerate, with SIers guiding system migrations to cloud platforms and optimizing cloud-based solutions, catering to the demand for scalable and efficient IT infrastructure.
  • Evolving Role into Strategic IT Consulting: SIers are expected to transition into strategic IT consultants, offering comprehensive advisory services. This role involves guiding businesses in technology adoption, digital transformation strategies, and optimizing IT infrastructure for enhanced long-term performance and efficiency.
  • Industry-Specific Solutions and Skill Diversification: SIers will increasingly focus on developing industry-specific solutions, and customizing systems to meet unique sector challenges. Alongside, there will be an emphasis on diversifying skills, with engineers acquiring expertise in emerging technologies to adapt to the evolving IT landscape.
  • Collaboration and Globalization Trends: Future innovations in Sler services will involve increased collaboration with startups and technology innovators, integrating novel solutions into larger systems. Additionally, as businesses and technologies globalize, there will be a growing demand for SIer services on a global scale, positioning SIers as key facilitators in integrating technologies across international markets.

Concluding Thoughts

Finally, with System Integrators “SIers” and their impact on business technology, it’s clear that SIers are integral in orchestrating and integrating complex IT systems and technologies. Their role spans from initial planning to design, development, testing, and maintenance, ensuring systems function optimally in diverse business environments.

The SIer industry’s variety, including independent, user-based, manufacturer-based, and consulting firms, showcases its adaptability and ability to offer specialized services. SIers stand out for their comprehensive approach to system integration, contrasting with System Engineers (SEs) who typically focus on individual aspects of system development.

Businesses in today’s rapidly evolving technological landscape can significantly benefit from SIer expertise. Selecting the right SIer involves assessing their technical skills, communication capabilities, and project management proficiency, ensuring alignment with specific business objectives for a productive partnership.

Future trends indicate that SIers will continue to evolve, incorporating emerging technologies like AI, IoT, and advanced cybersecurity measures. They are also expected to increasingly serve as strategic IT consultants, offering bespoke solutions and engaging with startups to foster innovation.

Engaging with SIers is more than a service transaction; it’s a strategic partnership that can steer businesses toward efficiency, scalability, and competitiveness. As digital transformation becomes imperative, collaborating with SIers is key to not just adapting to change but leading in the technological future. This partnership is a catalyst for businesses to thrive in today’s digital era.

Struggling to scale your business in Japan?

Book a free consultation with us today and let us 3X – 5X your business!
Scroll to Top