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
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.
Innovatively modernising KCOM's finance function
Learn how the regional communications and IT services pioneer KCOM transformed its finance function quickly and cost-effectively in our latest 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 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.
Helping Network Rail to get everyone home safe, every day
An ambitious digital transformation strategy has improved safety for Network Rail’s frontline staff. Read more in this case study.
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 refinance, reshape and 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.
Our case studies
How Microsoft 365 Copilot builds customer trust with responsible AI
With EY’s help, a leading AI solution became ISO 42001 certified and enhanced its responsible AI practices. Learn more in this case study.
How St James’s Hospital's transformed cancer care
Learn how our client modernized its infrastructure enhancing its data management and speeding up cancer diagnostics.
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 Mott MacDonald is building confidence through responsible AI
Explore how EY teams helped a global firm establish and accelerate AI governance to enable them to transform responsibly and ethically.
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 one health care testing company gets results with AI
By leveraging AI and automation, patient diagnostics have picked up pace in a health care testing company. Learn more in this case study.
How Microsoft streamlined regulatory compliance with GenAI
This case study reveals how Microsoft legal teams are using GenAI to confidently manage regulatory change. Learn 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 a major cancer center modernized IT to improve patient care
This case study explores how a major cancer center modernized its IT through ServiceNow to improve patient care and optimize research.
How an Italian news agency used blockchain to combat fake news
Faced with the threat of fake news, Italian news agency ANSA introduced blockchain technology to help uphold its reputation for reliability. Learn more
How to accelerate your search speed with natural language processing
A managed care company saves hundreds of hours in compliance verification with a new, AI-enabled database. Learn more in this case study.
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 a B2B company drove engagement by transforming its D2C platform
Discover how Merck Animal Health modernized its HomeAgain® e-commerce site to offer a robust online customers experience and drive growth and expansion..
How Wawa is catering to customers with new convenient offerings
Wawa implements new technologies, keeping customers at the center of its offerings. Learn more in this case study.
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.
Why a superstore reinforced its cyber walls to protect its customers
Heightened security risks led a retail giant to mature its cyber capabilities, optimize its technology spend and reinforce customer trust.
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.
How business and Gen Z can work together to tackle climate change
EY teams are facilitating life-long learning on climate change and connecting the voices of Gen Z with business. Discover more.
Our case studies
How IntraBio's finance transformation fueled its global expansion
For its global expansion, IntraBio needed to solve operational and financial back-office challenges. Learn how EY finance transformation services helped.
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.
Fashioning a sustainable future for an online clothing retailer
EY-Parthenon has helped fashion retailer ASOS to identify opportunities to unlock value, making it more resilient and better prepared for the future. Learn more.
How a business insolvency secured a good fate for the Spanish economy
How EY teams helped a Spanish construction company navigate business insolvency by finding a buyer to retain its vital economic presence.
How an insolvent travel industry giant got back on track
EY-Parthenon teams steered international conglomerate HNA Group successfully through one of China’s largest corporate restructurings. 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 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.
How a social media firm created Korea’s fastest growing bank
In building Korea’s first mobile-only bank, kakaobank questioned the purpose of a banking business and created a people-first proposition.
How JUMBO Seafood is paving the way to international growth
JUMBO Seafood applied the EY 7 Drivers of Growth framework to fulfill its ambition of bringing Singapore-style food to diners around the world.
A shining example of green energy in Morocco
We worked with the Moroccan Government in its efforts to build an innovative solar plant that will work far into the night.