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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Our case studies
How TRANSFORM is helping impact entrepreneurs scale
A public–private partnership leverages public resources and private capabilities to help impact entrepreneurs scale solutions and uplift communities.
How a healthcare company tackles third-party risk with tech and data
Eager to protect patient privacy, a health services company built a robust system by leveraging AI and modern approaches. Learn more.
Nagasaki Stadium City reimagines urban revitalization
In Japan’s Nagasaki Stadium City, a private sector-led megaproject, EY Japan leveraged sports and regional expertise to contribute to success and community impact.
How the City of Antwerp is transforming its financial systems
The City of Antwerp has updated its financial platform to improve security, standardization and efficiency.
Rivada is reimagining wireless internet as a commodity
By leveraging AI and automation, patient diagnostics have picked up pace in a health care testing company. Learn more in this case study.
How a global firm moved swiftly to set up a stand-alone energy business
A global conglomerate with newly acquired oil and gas assets leveraged an accelerated approach to cost, supply chain and technology. Learn more.
How a new approach to finance and tax is turbocharging Accelleron
Managed Services is helping Accelleron build a future-fit operating model. Read more in this case study.
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 experiment-led strategy leads to action
EY Studio+ teams helped SkiStar use experiment-led strategy to accelerate business growth. Learn more in this case study.
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 carve-outs positioned an automotive giant for future growth
EY-Parthenon teams supported Daimler AG through strategic divestments and back-office transformation. Learn more.
How Mojo Fertility is helping more men conceive
EY Studio+ teams took fertility testing technology direct to the audience that needs it, with a new customer experience and value chain solution. 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 digital transformation opened new channels for growth
With help from EY professionals, Royal Caribbean’s digital-first approach is transforming their business and the cruising experience.
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.
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 a bold strategy helped a reinsurer enter the market
Chariot Re rapidly established scalable operations in a complex, highly regulated market, paving the way for ambitious growth.
How Xoople transforms Earth data into business insights
Xoople makes incomprehensible amounts of Earth data comprehensible by leveraging multimodal AI. Learn how they’re going to market with help from EY.
How AI drove Daikin’s business transformation from complexity to agility
Daikin defined a North Star to align operations, empower people and guide sustainable global business transformation.
How EY built an enterprise-scale agentic AI operating system
EY unified its GenAI breakthroughs into a global agentic AI platform that transforms how people work and how clients accelerate AI at scale.
How AI-led transformation helped a major brewer grow
Asahi Europe & International took a managed services approach, working with EY and Microsoft, to rewrite the rules around trade promotion optimization.
How humanoid robotics are strengthening complex industrial work
Fincantieri worked with EY and NVIDIA to explore humanoid robotics through physical AI and simulation. Learn more in this case study.
How Microsoft 365 innovates under evolving regulations
Microsoft 365 leverages technology to enhance trust and deliver innovative products with pace. Learn more in this case study.
How SAP’s legal team connected vision to action
SAP Legal team partnered with EY wavespace to shape a shared vision and accelerate transformation. Learn more.
How AI innovation powers Microsoft’s finance journey
Read this case study to learn how Microsoft is transforming financial operations with emerging technologies to empower teams and gain a competitive edge.
How AI drove data optimization for oil and gas capital projects
Discover how AI boosted efficiency and accuracy in oil and gas project management and helped a firm streamline engineering processes. Learn more.
How EY is unlocking the next iteration of GenAI advancement with EYQ
EY is transforming the future of work and augmenting potential with an enterprise generative AI (GenAI) solution, EY.ai EYQ. Learn more in this case study.
How Bridgestone implemented a successful digital transformation
Learn how our client overcame complex challenges to achieve digital transformation through strategic partnerships and client focus.
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.
Inside the process: how EY navigated its own AI-driven transformation
The global EY organization (EY) embraced self-disruption, driving ambitions for responsible AI advancement. Read more.
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 a Nordic insurance company automated claims processing
A Nordic insurer increased its operational efficiency and improved customer experience using automation. Learn more in this case study.
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 data analytics can strengthen supply chain performance
EY Supply Chain SmartMaps™ helped a global energy company leverage buying power, strengthen processes, reduce costs and optimize inventory. Learn more.
Using AI to improve a bank’s agent effectiveness
Leveraging the power of AI and machine learning, one bank mined sales agents’ calls for performance-boosting insights. Learn more in this case study.
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 Blue Earth Capital built an entire finance function at speed
In less than six months, the impact investor built a full-scope finance function for its rapidly scaling organization.
How Sigma, an Australian pharmaceutical company, transformed its supply chain
Discover how EY teams helped Sigma simplify and standardize to boost availability and cut inventory by 20%.
How Medtronic’s optimized supply chain gets products to patients in need
A global technology Life Sciences leader improved their supply chain planning to better serve patients. Learn more in this case study.
How a global firm moved swiftly to set up a stand-alone energy business
A global conglomerate with newly acquired oil and gas assets leveraged an accelerated approach to cost, supply chain and technology. Learn more.
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 a manufacturer gained supply chain agility by land, air and sea
A case study on how a manufacturer gained supply chain agility and cost efficiency by land, air and sea through a logistics transformation. 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 data analytics can strengthen supply chain performance
EY Supply Chain SmartMaps™ helped a global energy company leverage buying power, strengthen processes, reduce costs and optimize inventory. Learn more.
How motor racing is accelerating toward action on climate change
Learn how EY has helped Extreme E turn its sustainability ambitions into action in this case study.
How a self-guided investment journey can lead to financial success
Learn how the multi-disciplinary EY Studio+ team and personalized approach helped transform a financial advisor’s investing experience.
10 ways to help build a thriving battery recycling industry in Europe
Get our 10-point action plan to help build a thriving lithium-ion battery recycling industry in Europe.
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.
How Delivery Hero digitally transformed treasury management
Learn how by combining technology with a spirit of innovation, the food delivery network is setting new standards in treasury.