Summary

Anthropic is investing $100 million (approximately ¥15 billion) in the "Claude Partner Network" in 2026, with plans for further expansion. With Accenture (having trained 30,000 people), Deloitte, Cognizant, and Infosys as anchor partners, the company is immediately launching the "Claude Certified Architect" certification. By introducing a code modernization starter kit, expanding the partner team fivefold, and building an open ecosystem free of participation fees, Anthropic is intensifying its battle with OpenAI and Google for the enterprise market.

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On March 19, 2026, Anthropic announced a $100 million investment in its enterprise partner ecosystem, the "Claude Partner Network." The company has positioned this amount as an "initial investment for 2026," indicating its intention to further expand the investment going forward. This marks a clear turning point in which Anthropic — long regarded as research-and-development-oriented — has explicitly signaled its intent to rapidly expand its commercial presence in the enterprise market.

Anchor Partners — The Giants of Global Consulting

The largest partner, Accenture, will train 30,000 of its consultants in Claude utilization. Accenture is the largest player in the global IT consulting market and counts the majority of Fortune 500 companies among its clients. Having 30,000 of its staff equipped to recommend, design, and implement Claude deployments effectively functions as a de facto enterprise sales force.

Deloitte, Cognizant, and Infosys also joined as anchor partners. Deloitte, one of the Big Four in audit and consulting, has strong footing in the financial and public sectors; Cognizant leads the North American market in healthcare and financial IT services; and Infosys is a major player in global IT outsourcing and digital transformation. Combined, the client bases of these four firms bring a significant proportion of the world's large enterprises within the reach of the Claude Partner Network.

Claude Certified Architect — A Certification Available from Day One

One of the most noteworthy initiatives is the introduction of the "Claude Certified Architect" certification. The Foundations level was announced as immediately available. Modeled after the ecosystem-building approach of AWS and Google Cloud certifications, it enables engineers and consultants at partner firms to systematically demonstrate expertise in Claude API design patterns, prompt engineering, and security and governance.

The significance of the certification goes beyond mere skills validation. In the cloud industry, the number of certified professionals has long been a criterion for partner tier advancement, driving consulting firms to actively pursue certifications. If Claude Certified Architect grows into a similar framework, it will create a virtuous cycle in which partner firms are intrinsically motivated to develop Claude talent.

Code Modernization Starter Kit — Addressing the Highest-Demand Workload

The most notable concrete tool is the "Code Modernization Starter Kit." This package supports legacy system migration (COBOL, mainframes, etc.) and the resolution of technical debt, directly addressing the workload that enterprise customers demand most.

The world's legacy codebase is estimated at some 800 billion lines of code, representing a multi-trillion-dollar market potential for modernization. Many large enterprises have operated systems built on COBOL and mainframes over decades; modernizing these systems is a pressing business challenge, yet the field has been slow to progress due to talent shortages and high risk. Claude's long-context processing capabilities and advanced code understanding are particularly effective in this area, and the starter kit enables partner firms to rapidly launch Claude-powered modernization projects.

Claude Code — The Fastest-Growing Product

Anthropic also announced that Claude Code is the fastest-growing product in Anthropic's portfolio. This tool, which allows developers to invoke Claude directly from the terminal for coding, debugging, and refactoring, directly drives productivity improvements in enterprise development environments and plays a central role in the code modernization context as well.

A Fivefold Team Expansion and Open Participation

The partner team will be expanded fivefold. Applied AI engineers, technical architects, and localized go-to-market personnel covering each region will be added to strengthen technical integration with partner firms, joint solution development, and customer support.

Participation in the Claude Partner Network is open and free to any organization. Not only large consulting firms, but also small-to-midsize system integrators and boutique consulting firms are eligible to join, with the aim of maximizing the breadth of the ecosystem.

Impact on the Industry

Anthropic's $100 million partner investment marks a critical inflection point, signaling that the competitive axis in the enterprise AI market is shifting from "model performance" to "deployment support ecosystems." OpenAI has captured the corporate market through deep integration with Microsoft and ChatGPT Enterprise, while Google leverages its existing Google Cloud channels via Gemini for Workspace. Anthropic has chosen a third path: a coalition of consulting firms.

This strategy makes sense. The greatest barrier to AI adoption in large enterprises is not technology, but rather "last-mile" challenges — organizational transformation, business process redesign, and governance framework construction. Accenture, Deloitte, Cognizant, and Infosys are specialists in precisely these areas, serving as the bridge between technology and management. If the Claude Certified Architect credential becomes widespread across the ecosystem, Anthropic will be able to efficiently penetrate the enterprise market through partners without significantly expanding its own sales organization.

References: Anthropic Claude Partner Network announcement, Accenture AI Strategy Report, Claude Certified Architect certification program overview, Enterprise AI adoption survey