Ernst & Young Advisory

Professional services

The advisory and consulting business associated with the global Ernst & Young, or EY, professional-services organization.

Last updated October 14, 2026

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Overview

Ernst & Young Advisory refers to the advisory and consulting activities conducted under the Ernst & Young, now commonly branded EY, organization. It is not clearly established by the supplied materials as a separately incorporated global brand with an independent ownership structure, headquarters, founding date, or stock listing. Instead, the name has historically been used to describe a broad set of client-services practices operating through EY member firms in different jurisdictions. The advisory portfolio sits alongside EY’s assurance and tax activities and has covered strategy, transactions, consulting, technology, risk, finance, restructuring, operational improvement, and transformation. Depending on the country and period, the business has been organized under labels such as Advisory, Consulting, Strategy and Transactions, Transaction Advisory Services, and EY-Parthenon. The precise legal entity and service-line boundaries therefore vary by market. In France, the supplied country field identifies the relevant market, but no reliable source in the supplied material establishes a distinct French headquarters or a separate legal entity called Ernst & Young Advisory. The practice serves corporations, financial sponsors, governments, public bodies, and entrepreneurial businesses. Its work commonly includes helping clients evaluate strategic alternatives, prepare for acquisitions or divestitures, improve operating models, modernize technology, manage cyber and regulatory risk, strengthen finance functions, and execute large-scale business transformation. Transaction work can extend from due diligence and valuation support to integration, separation, restructuring, IPO readiness, private financing, SPAC-related advice, and post-deal value creation. EY’s advisory positioning emphasizes multidisciplinary delivery: combining sector knowledge, strategy, transactions, technology, tax, and implementation capabilities within one professional-services network. The organization has increasingly highlighted artificial intelligence, cloud and enterprise platforms, cybersecurity, digital product development, sustainability, and data analytics as growth areas. In March 2025, EY announced a major expansion of EY-Parthenon, describing it as a unified strategy and transactions sub-brand with a stronger connection to transformation and technology services. The announcement stated that the expanded brand comprised 25,000 professionals across 150 countries and was supported by a US$250 million investment in AI-enabled platforms; these figures concern EY-Parthenon rather than a separately reported Ernst & Young Advisory entity. The business remains part of a private, partner-owned professional-services structure rather than a publicly traded corporation. Because the supplied subject name lacks a single Wikipedia title or clearly delimited legal identity, this entry should be treated as a provisional brand-level profile covering EY’s advisory activities, not as confirmation of a standalone company.

History

Ernst & Young Advisory is best understood as a descriptive name for EY’s advisory and consulting activities rather than a clearly documented standalone worldwide corporation. Ernst & Young was created through the 1989 merger of Ernst & Whinney and Arthur Young, and the resulting professional-services network developed service lines spanning audit, tax and advisory work. The organization later adopted the shorter EY identity in its external branding, while local member firms continued to provide services through jurisdiction-specific legal entities. As the professional-services market expanded, EY’s advisory work broadened beyond traditional transaction support. Practices developed around management consulting, enterprise risk, technology, operational improvement, finance transformation, cybersecurity, analytics, restructuring and sector-specific strategy. Advisory teams were typically integrated with other EY capabilities so that clients could receive advice covering strategy, tax, accounting, technology and implementation. The exact labels changed over time and differed between countries, which makes a single historical timeline for “Ernst & Young Advisory” difficult to establish. Transaction advisory became a major part of the organization’s market profile. EY teams have advised on acquisitions, divestitures, joint ventures, capital restructuring, private financing and public-market preparation. EY’s US capital-advisory materials describe services including strategic-alternative analysis, transaction execution and coordination of deal closings. Other advisory practices have supported IPO readiness, direct listings and SPAC transactions by assessing finance processes, governance, controls, timing and execution requirements. Technology and transformation have become increasingly prominent. EY expanded through acquisitions and integrations involving digital, enterprise-platform, analytics, cybersecurity and managed-services specialists. Examples reported in the supplied materials include the 2018 addition of Adelphi Digital, the 2019 acquisition of Plaut IT, and later purchases or integrations involving ServiceNow, SAP, data analytics and cybersecurity capabilities. These transactions formed part of a wider effort to build implementation capacity rather than limit the advisory business to high-level recommendations. EY has also used global advertising and thought-leadership programs to position its advisory professionals as partners in business change. A campaign reported in the 1990s used the line “From Thought to Finish” to emphasize delivery from ideas through implementation. In 2017, EY launched a campaign describing the contemporary environment as the “Transformative Age” and portraying its consultants as better connected across markets and disciplines. More recent communications have emphasized integrated services, artificial intelligence and the organization’s “All In” strategy. A significant structural episode occurred in 2023–2024, when EY explored Project Everest, a proposed separation of its audit practice from its consulting and advisory businesses. The plan was ultimately abandoned. The episode affected the organization’s strategic narrative and prompted renewed emphasis on operating as one integrated EY network. In 2024, EY introduced refreshed brand messaging, and in 2025 it announced a more unified EY-Parthenon strategy and transactions platform. These developments indicate that EY’s current direction favors closer coordination between strategy, deals, technology and transformation rather than treating advisory as an isolated business. The available material does not establish a separate founding year, founder, global headquarters or independent financial reporting for Ernst & Young Advisory in France. Its status should therefore be interpreted as an active advisory business within the privately held EY professional-services network, subject to local legal and organizational variations.

2025
Expansion of EY-Parthenon
[1]Major expansion of EY-Parthenon strengthens EY position in global strategy and transactions marketey.com
EY announced an expanded EY-Parthenon platform combining strategy and transactions with transformation capabilities and AI-enabled investment.
2024
EY refreshes its global positioning
[4]EY Reboots Bruised Global Brand with New Messaging, Ad Campaignnews.bloombergtax.com
EY introduced new brand messaging designed to reinforce a unified firm after the failed separation plan.
2023
Project Everest separation plan is abandoned
EY ended its proposed plan to separate audit from consulting and advisory activities, preserving the integrated global organization.
2023
Future Friendly acquisition
[12]Future Friendly acquisitionconsulting.eu
EY added an Australian digital product and design consultancy.
2022
Bridge Business Consulting acquisition
[10]EY acquisitions in technology consultingchannele2e.com
EY added an Australian data and analytics specialist.
2017
Transformative Age campaign launches
[2]New Advertising Campaign Shows How EY's Better-Connected Consultants Lead Clients Through the Transformative Ageprnewswire.com
EY launched a large integrated campaign presenting its consultants as helping clients navigate rapid technological and business change.
2013
External branding shifts toward EY
The organization increasingly adopted the shorter EY name and the “Building a better working world” platform in its external identity.
1989
Formation of Ernst & Young
[7]Ernst & Young — Company Historycompany-histories.com
Ernst & Whinney and Arthur Young merged to form Ernst & Young, creating the global professional-services organization from which the modern EY advisory activities developed.
Advisory expands beyond traditional accounting services
[8]EY company profile and ownership informationmergr.com
EY developed capabilities in technology, risk, transactions, corporate finance and business transformation as client needs broadened.
EY.ai platform promoted
[9]EY The Face of the Future AI campaignmarketing-interactive.com
EY positioned artificial intelligence as a cross-organizational capability within its technology and advisory proposition.

Products and positioning

A multidisciplinary advisory and transformation partner combining strategy, transactions, technology, risk, tax and implementation capabilities through the EY global network.

Advisory services
Strategy consulting
Strategy teams advise organizations on growth, portfolio choices, operating models, competitive positioning and long-term transformation. Within EY, this work is increasingly associated with EY-Parthenon and is linked to transactions and implementation capabilities.
Transaction advisory
Mergers and acquisitions advisory
EY transaction professionals support acquisitions, divestitures, joint ventures, capital restructuring and other strategic transactions. Services may include evaluating alternatives, due diligence, valuation support, execution assistance, integration and separation planning.
Technology consulting
Technology and digital transformation
Technology advisory helps clients redesign processes, implement enterprise platforms, develop digital products, apply analytics and artificial intelligence, and improve cyber resilience. EY has expanded this capability through specialist acquisitions and integrations. The practice may include implementation and change-management support rather than only strategic recommendations. Consulting that helps organizations redesign operating models, implement enterprise platforms, modernize technology estates, develop digital products and use data and analytics. The practice may include implementation and change-management support rather than only strategic recommendations.
Capital-markets advisory
IPO and private-capital advisory
The practice supports IPO readiness, private financing, SPAC mergers, direct listings and related capital-markets events. Work can include finance transformation, governance, controls, reporting, transaction planning and execution support.
Risk consulting
Risk and regulatory advisory
Risk services address governance, regulatory obligations, internal controls, cyber risk, financial crime, resilience and enterprise risk management. Delivery is commonly tailored to the client’s industry and regulatory environment.
Advisory
Strategy and Transactions
Advisory support for corporate strategy, capital allocation, mergers and acquisitions, divestitures, due diligence, valuation, restructuring and transaction execution. Work is typically delivered through country EY member firms and tailored to the client’s sector, jurisdiction and transaction objectives.
Risk advisory
Risk Consulting
Services addressing enterprise risk, controls, regulatory obligations, technology risk, cybersecurity, identity and access management, resilience and governance. The offering is intended to help organizations identify exposures and build processes for monitoring and response.
Artificial intelligence consulting
EY.ai advisory
An AI-focused proposition associated with EY.ai, covering organizational adoption, responsible use, technology enablement and business transformation. Public campaign material emphasizes confidence, human participation and people-centered implementation.
Sustainability consulting
Sustainability and climate advisory
Advisory work related to sustainability strategy, climate risks, reporting, transformation and value creation. The precise scope and legal delivery entity vary by market.

Marketing campaigns

2024Shape the future with confidence
Global
EY refreshed its brand narrative to emphasize confidence, integration and future-oriented support after the proposed separation of its audit and consulting businesses was discontinued. The campaign was intended to rebuild momentum around a unified EY organization.
Outcome. The campaign was intended to rebuild momentum around a unified EY organization.
Source
2017Transformative Age
United States and international markets
A multimillion-dollar campaign portrayed EY’s connected consultants as helping organizations adapt to unprecedented complexity and opportunity. It used national newspaper advertising, television, digital outdoor, social media, events and public relations. The year-long program combined advertising, events, content, public relations, social media and outdoor placements, and reinforced EY’s advisory and consulting positioning around transformation and business change. A multi-million-dollar integrated campaign framed the period as the “Transformative Age” and presented better-connected EY consultants helping clients navigate complexity and opportunity.
Outcome. The initiative reinforced EY’s advisory and consulting positioning around transformation and business change. The year-long program combined advertising, events, content, public relations, social media and outdoor placements.
Source
1990From Thought to Finish
International
A global integrated advertising effort presented Ernst & Young as a provider able to carry client work from ideas through completion. Messaging emphasized collaboration, speed, future orientation and understanding value from the client’s perspective. The campaign supported the organization’s effort to build a more recognizable global professional-services brand and established a recurring platform for communicating EY’s advisory and broader professional-services proposition. A global brand campaign positioned EY as a partner able to carry client work from ideas through implementation and completion. It emphasized practical value and client outcomes rather than advisory analysis alone.
Outcome. The campaign supported the organization’s effort to build a more recognizable global professional-services brand. The campaign established a recurring platform for communicating EY’s advisory and broader professional-services proposition.
Source
.company e-business campaign
United States
An e-business-focused advertising extension targeted rapidly growing internet companies and established organizations becoming digital businesses. Messaging highlighted speed, growth, efficiency, trust, technology and EY experience, across print, broadcast, cable, online and outdoor media. The campaign supported EY’s renewed emphasis on e-business services.
Outcome. The campaign supported EY’s renewed emphasis on e-business services.
Source
The Face of the Future
Global
An integrated campaign for EY.ai used photographs of more than 200 EY people to create an evolving AI-generated face. Its central idea was that confidence in AI should be built through a people-first approach. The campaign served as a public introduction to EY’s EY.ai positioning.
Outcome. The campaign served as a public introduction to EY’s EY.ai positioning.
Source
Transformations
Global
A global campaign highlighted how innovation, artificial intelligence and technology can help organizations adapt and unlock value during business transformation. The campaign reinforced EY’s technology and transformation narrative.
Outcome. The campaign reinforced EY’s technology and transformation narrative.
Source

Brand decisions

2025
Expansion and consolidation of EY-ParthenonStrategy
Background
EY sought to strengthen its position across strategy, transactions and transformation while connecting advisory work with technology and other global services.
Action taken
EY announced an expanded EY-Parthenon platform and described a US$250 million investment in AI-powered Edge platforms supporting the brand.
Aftermath
The move positioned EY-Parthenon as a more prominent strategy and transactions sub-brand within EY’s integrated service model.
Announced investment in AI-powered Edge platforms. US$250 million (2025 announcement)
Source
2025
Acquire Kreatif in IndonesiaM&A
Background
EY expanded Microsoft technology services capability in Indonesia.
Action taken
EY acquired Kreatif, a Microsoft services provider.
Aftermath
The deal added approximately 110 professionals according to the cited trade report.
Source
2023
Abandonment of Project Everest separation planStrategy
Background
EY had explored separating its audit activities from its consulting and advisory businesses in a transaction commonly referred to as Project Everest.
Action taken
The organization discontinued the proposed separation and retained an integrated global structure.
Aftermath
EY subsequently emphasized unified operations and refreshed its brand and strategy messaging.
2023
Acquire Future FriendlyM&A
Background
EY pursued additional digital product and design expertise in Australia.
Action taken
EY acquired Future Friendly and its team in Sydney and Canberra.
Aftermath
The acquisition strengthened EY’s digital product and transformation offering.
Source
2022
Acquire Bridge Business ConsultingM&A
Background
EY sought to expand data and analytics capability in Australia.
Action taken
EY acquired Sydney-based Bridge Business Consulting.
Aftermath
The transaction added specialist data and analytics personnel and capabilities; consideration was not disclosed.
Source
1989
Create Ernst & Young through mergerM&A
Background
Ernst & Whinney and Arthur Young combined to strengthen international coverage and create a larger multidisciplinary professional-services organization.
Action taken
The firms merged under the Ernst & Young name.
Aftermath
The combined organization became the platform from which EY’s global advisory, assurance, tax and transactions practices developed.
Source

Sources14 sources

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