株式会社オープネス is a Japanese enterprise software consulting and application development company. Its official positioning is to help businesses maximize the value of their IT investments in the AI era. Rather than offering a single SaaS product, its services focus on implementation, development, and consulting around generative AI, Microsoft 365, Power Platform, and IT investment decisions. Its representative has previously held technical lead and product quality-related roles at Microsoft, which adds some credibility to its Microsoft ecosystem services.
For generative AI, the website emphasizes combining the latest trends with practical business needs to design and implement usage models that can sustainably deliver results. Coverage includes prompt design, RAG, business process integration, operations, and governance, with an emphasis on avoiding projects that stop at the PoC stage. For Microsoft 365, it provides support from implementation through organizational adoption. For Power Platform, it covers the design, development, operational planning, and internal enablement of Power Apps, Power Automate, and Power BI. Its IT investment consulting includes validating the appropriateness of quotes and proposals from major vendors, organizing requirements, structuring RFPs and evaluation criteria, and clarifying negotiation and pre-contract issues.
The website does not disclose standard packages, subscription pricing, free trials, or delivery timelines. The model appears closer to customized consulting and project-based development. Companies need to submit their requirements through a contact form to receive a quote. Payment methods are also not specified, so budget transparency is relatively limited. This is not ideal for customers looking to purchase a standardized SaaS product through a self-service online process.
Its strengths are a focused positioning and relatively complete support for implementation, development, governance, and internal enablement around Microsoft productivity and low-code ecosystems. It also aims to connect generative AI with real business processes rather than merely delivering proof-of-concept projects. Another highlight is its IT investment effectiveness consulting, which can help companies review vendor proposals and RFPs, reducing procurement and implementation risks. The main drawback is the limited amount of public information on the website. It lacks details such as customer cases, industry solutions, pricing, SLA, security compliance, data protection, and team permission management. Enterprises should conduct further due diligence before procurement.
This service is suitable for small, mid-sized, and larger companies in the Japanese market that already use or plan to adopt Microsoft 365 and Power Platform, and want to build AI/RAG business applications, workflow automation, or BI reporting. It is also suitable for management teams that lack in-house technical assessment capabilities and need help reviewing IT quotes and proposals from major vendors. Access from China cannot be determined from the crawled text. If Chinese companies are evaluating similar capabilities, they may also compare Microsoft official partners, Avanade, Accenture, as well as domestic providers implementing DingTalk, Feishu, WeCom, and low-code solutions.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on openness.co.jp official site.
openness.co.jp is an Japan SaaS Tools provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Limited (proxy recommended). Click "Visit Official Site" to reach openness.co.jp directly.