Insurers Flock to Guidewire Cloud for Core Modernization
Providers help companies carry out complex migrations from on-premises to cloud-based Guidewire core platform, ISG Provider Lens™ report says
A growing number of insurers are deploying the Guidewire Cloud core platform as existing users migrate from on-premises implementations and new customers adopt the platform, according to a new research report published today by Information Services Group (ISG) (Nasdaq: III), a global AI-centered technology research and advisory firm.
The 2025 ISG Provider Lens™ global Guidewire Services Ecosystem report finds that insurance companies are replacing legacy systems with modular core platforms such as Guidewire for greater scalability, agility and cost efficiency. As new types of insurance providers enter the market and customers expect more personalized experiences, companies are adopting modern platforms to cut costs, enhance customer experience and seize new market opportunities.
"Insurance companies are moving from legacy systems to modular, cloud-based platforms like Guidewire as the core of their ecosystem to compete in a rapidly changing industry," said Dennis Winkler, leader, insurance industry vertical, for ISG in the Americas. "Guidewire system implementation providers accelerate speed to market for new products and allow insurers to transform their technology and business models."
As Guidewire prepares to end support for its on-premises versions, existing customers face complex migrations to the SaaS-based model, the report says. These transitions involve careful planning, change management and addressing of technical debt, the report says. To succeed, insurers are seeking experienced service providers that understand their business objectives.
Large, progressive insurance companies now expect core platform providers to support their overall digital transformations with a wide range of additional tools, ISG says. Guidewire is responding to this demand with digital portals, process automation tools and a data and analytics platform. However, most service providers are still building the capability to implement these tools.
As part of its transition to the cloud platform, Guidewire is reshaping its provider ecosystem in ways that give customers a greater choice of partners, ISG says. On-premises implementations of Guidewire typically were highly customized, often resulting in project delays and failures, so most insurers needed to engage separate, deeply experienced providers for implementation and support.
For Guidewire Cloud, the company has introduced implementation kits that simplify deployments, reduce customizations and lower project risk, ISG says. These enable smaller, more nimble providers to confidently take on Guidewire implementations. This may allow some insurers to partner with forward-looking providers to carry out holistic innovation projects that go beyond core platform replacement.
"Moving from legacy core systems to platforms like Guidewire Cloud gives insurance companies an opportunity to transform their entire business," said Jan Erik Aase, partner and global leader, ISG Provider Lens Research. "Choosing the right partner is essential to that transition, from readiness assessment all the way through ongoing support."
The report also explores other trends in the Guidewire ecosystem, including the growing importance of automated testing and the emergence of AI features for underwriting, claims and fraud detection.
For more insights into insurance industry challenges that are relevant to the Guidewire ecosystem, plus ISG's advice for overcoming them, see the ISG Provider Lens™ Focal Points briefing here.
The 2025 ISG Provider Lens™ global Guidewire Services Ecosystem report evaluates the capabilities of 26 providers in one quadrant: Guidewire Services.
The report names Accenture, Capgemini, Cognizant, Deloitte, EY, HCLTech, Hexaware, PwC and TCS as Leaders in the quadrant.
In addition, GFT is named as a Rising Star — a company with a "promising portfolio" and "high future potential" by ISG's definition.
Customized versions of the report are available from CGI, Hexaware and PwC.
The 2025 ISG Provider Lens™ global Guidewire Services Ecosystem report is available to subscribers or for one-time purchase on this webpage.
About ISG Provider Lens™ Research
The ISG Provider Lens™ Quadrant research series is the only service provider evaluation of its kind to combine empirical, data-driven research and market analysis with the real-world experience and observations of ISG's global advisory team. Enterprises will find a wealth of detailed data and market analysis to help guide their selection of appropriate sourcing partners, while ISG advisors use the reports to validate their own market knowledge and make recommendations to ISG's enterprise clients. The research currently covers providers offering their services globally, across Europe, as well as in the U.S., Canada, Mexico, Brazil, the U.K., France, Benelux, Germany, Switzerland, the Nordics, Australia and Singapore/Malaysia, with additional markets to be added in the future. For more information about ISG Provider Lens research, please visit this webpage.
About ISG
ISG (Nasdaq: III) is a global AI-centered technology research and advisory firm. A trusted partner to more than 900 clients, including 75 of the world's top 100 enterprises, ISG is a long-time leader in technology and business services that is now at the forefront of leveraging AI to help organizations achieve operational excellence and faster growth. The firm, founded in 2006, is known for its proprietary market data, in-depth knowledge of provider ecosystems, and the expertise of its 1,600 professionals worldwide working together to help clients maximize the value of their technology investments.
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