EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients.
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Case studies
Helping our clients solve their toughest issues
- Strategy and transformation
- AI and technology
- Sustainable and resilient operations
Our case studies
How an American city tackled a major budget gap
When the City of Milwaukee had exhausted its options, EY-Parthenon teams helped it find ways to balance the budget and avoid bankruptcy. Learn more.
How Microsoft built a new mobility model for cross-border talent
Learn how professionals from EY and Microsoft challenged old assumptions about workforce mobility, creating a forward-thinking and data-rich platform.
Helping the next generation sustain an entrepreneurial spirit
The Rigby Group brought EY teams on board to optimize their “buy and build” strategy and expand their global leadership in technology. Learn more.
How a cosmetics giant’s transformation strategy is unlocking value
Shiseido, the largest Japanese beauty company, is reimagining its functions, processes and systems to create a global operating model. Learn more.
Reframing the future of an iconic skiwear brand
EY-Parthenon helped BOGNER return to profitability in spite of the COVID-19 pandemic. Learn more.
How a government struggling with debt navigated towards a brighter future
EY professionals helped Puerto Rico exit bankruptcy and build a foundation for future growth. Learn more in this case study.
Case study: How smart technology helped Fiserv accelerate M&A strategy
Multi-billion-dollar mergers are fraught with complexity, but smart digital platforms can accelerate your deal strategy from design to delivery. Learn more.
How to sell a travel business when no one is traveling
Flybe became the first UK airline to be rescued from insolvency after EY-Parthenon protected the struggling business and found a buyer.
How to determine a solid path forward in a liquidation
British Steel needed a buyer to avoid closure and to continue the iconic brand, but a sale was never guaranteed. Learn more.
Our case studies
How EY is navigating global AI compliance: The EU AI Act and beyond
EY is turning AI regulation into a strategic advantage. Learn more in this case study.
How Bayer is unearthing agronomy's future with generative AI
Read this case study to learn how Bayer Crop Science is using large language models to plant the seeds of the future.
How GenAI is empowering talent at a PE-backed consumer brand
By using GenAI to remove routine tasks, a global consumer brand is harnessing the creativity of its employees and utilizing their time better.
How AI helped a major IT company to improve its vendor interaction experience
Find out how AI helped a major IT company improve its vendor interaction experience. Learn more.
How a global biopharma became a leader in ethical AI
Read this case study about how a science-led biopharma positioned itself as a leader in ethical AI.
How Takeda harnessed the power of the metaverse for positive human impact
Learn how Takeda harnessed the power of the metaverse for positive human impact.
How to use IoT and data to transform the economics of a sport
A consortium of professional cycling teams and EY professionals are working to change a monetization problem through real-time data and IOT.
What going digital means for Takeda
Find out how Takeda Business Solutions (TBS) fast-tracked its digitalization evolution.
Using technology to control spending risk in a fast-moving environment
EY is helping Microsoft to modernize and reinvent its compliance risk management across its global footprint. Learn more in this case study.
How real-time data improved diversity and inclusion policies
Data, analytics and a desire to embrace inclusivity transformed a consumer products company’s D&I program into an organization-wide cultural movement.
Our case studies
How an advanced materials player successfully enters new markets
SAES transformed its high vacuum business and grew revenues by 300% with the support of EY. Now they’re taking on the cosmetics space. Learn more.
How an agile SAP approach gave Eversource a power surge
Eversource’s shift from waterfall to agile accelerates its customer information system deployment. Dive into the details in this case study.
Fashioning a sustainable future for an online clothing retailer
EY has helped fashion retailer ASOS to identify opportunities to unlock value, making it more resilient and better prepared for the future.. Learn more.
How to launch a sustainable direct-to-consumer business in no time
The Innovation and Experience Design practice at EY helped a Swiss cooperative identify a market niche and launch an entirely new business. Learn more.