The Mutual Group and Guidewire (NYSE:GWRE) jointly announced on November 11, 2026, that GuideOne Insurance has completed its migration of commercial lines core insurance operations to Guidewire Cloud.

Key Highlights

  • Migration completed in 10 months: GuideOne Insurance finished moving its commercial lines core operations to Guidewire Cloud Platform within 10 months, according to the announcement.
  • EY led the project: Guidewire Consulting member Ernst & Young LLP served as the lead partner on the migration initiative.
  • Scale of The Mutual Group: The Mutual Group employs more than 400 people and services over $800 million in premium across 50,000 commercial policyholders, per the filing.
  • Bain Capital backing: The Mutual Group disclosed it is backed by Bain Capital.
  • Guidewire platform reach: Guidewire reported that more than 570 insurers in 44 countries rely on its products.
  • Continuous updates replace upgrade cycles: The migration replaces what the announcement described as "periodic, resource-intensive upgrade cycles" with continuous updates.

GuideOne's Commercial Lines Move to Cloud-Based Core Operations

According to the announcement, GuideOne Insurance, a member company of The Mutual Group, has migrated its commercial lines core insurance operations to Guidewire Cloud. The Mutual Group described itself as an operational partner to independent mutual insurers, providing access to enterprise technology, operational expertise, and strategic capabilities. The organization was launched with GuideOne Insurance as its founding member and is backed by Bain Capital.

Tom Troy, chief executive officer at The Mutual Group, stated in the filing that completing the migration "in just 10 months is a critical step in modernizing the foundation on which we can build the next generation of insurance capabilities." He added that a cloud-based core "helps us put data and APIs to work, integrate new capabilities faster, and deliver better experiences for agents, policyholders, and employees." Michael Mahoney, Head of Professional Services at Guidewire, noted that GuideOne "has replaced a resource-intensive upgrade cycle with a platform built for continuous innovation," and cited speed and flexibility for bringing automation, analytics, and AI-driven capabilities to its commercial lines business.

Ernst & Young LLP led the migration as a Guidewire Consulting member. Neeraj Gupta, EY Americas Guidewire Practice Co-Leader and Insurance Technology Executive, was quoted in the filing stating that the migration gives GuideOne "sharper agility to respond to evolving business needs and technologies like AI, and greater flexibility to support its growing and diverse policyholder base." Guidewire disclosed that it has supported more than 1,700 successful projects and operates a marketplace representing what it described as the largest partner community in property and casualty insurance.

What Was Disclosed

The Mutual Group and Guidewire (NYSE:GWRE) announced the completion of GuideOne Insurance's migration of commercial lines core operations to Guidewire Cloud, a process led by Ernst & Young LLP and finished within 10 months, replacing periodic upgrade cycles with continuous platform updates.