Tax services

Our globally coordinated tax professionals offer connected tax services across all disciplines to help you thrive in this era of rapid change.


Introducing EY US National Tax Department Leader, Colleen O'Neill

Colleen O’Neill, EY US National Tax Department Leader, shares the principles that have kept her grounded as she advises clients on tax matters and legislative changes.



Navigating beyond now and into what’s next

No matter your transformation goal, the EY-Microsoft Alliance can help you overcome the challenges before you and affect real, sustainable change in your organization and the world.


The New Tax Transformation Imperative

More than half of businesses aren’t meeting their tax transformation goals.  Learn why digitization requires a reboot of your transformation approach.


Claim your PWA bonus credits with confidence

The PWA credits represent the biggest bonus credits available under the IRA, but they also come with penalties for noncompliance. The EY PWA app can help take advantage of the incentives by helping document information needed to comply with reporting requirements.

Our latest thinking

Championing Continuous Learning and Innovation in Tax Leadership

Discover how Humana's VP of Tax, transformed his career through continuous learning, embracing change, and accepting the unpredictable in leadership.

Tax departments evolve: companies embrace outsourcing for compliance

US companies are outsourcing tax compliance for flexibility and expertise. Embrace co-sourcing to navigate complexities and enhance efficiency.

Pathways to budget reconciliation in 2025

Republicans control the Senate and House, meaning they can proceed with their plans for a budget reconciliation bill anchored by TCJA extensions.

Expiration and change dates of various tax provisions may increase focus on tax policy

Several tax provisions are scheduled to sunset or change over the next few years, which may be a focus in an election year.

Steps companies should take now to prepare for major tax legislation in 2025

Companies should prioritize their tax planning, advocacy, and modeling now to effectively navigate anticipated major tax legislation in 2025

How to find certainty amid tax policy transformation

The 2025 EY Global Tax Policy and Controversy Outlook explores changing global tax policies and their impact on businesses. Learn more.

Navigating 2025 tax policy uncertainty in mergers and acquisitions

Tax policy changes [in 2025] will have an important impact on the M&A market. Companies should stay abreast of upcoming policy activity.

How tax and finance teams can meet the ‘do more with less’ mandate

How tax and finance teams in retail and consumer products companies can meet the ‘do more with less’ mandate

Why the shadow economy persists and how governments are responding

An EY study on the shadow economy finds this major contributor to the tax gap is contracting in most countries but still remains a significant problem.

State-led climate actions rise with anticipated federal pullback

State policies are changing the business landscape with new taxes, fees and EPR goals to curb carbon emissions and fund climate-related projects.

How to future-proof the global trade function

Master global trade complexities with strategies for integration, technology and ESG alignment. Discover how tax leaders can future-proof trade functions.

FY23 business tax report: A comprehensive state and local tax review

This is the 22nd annual report prepared by EY in conjunction with COST that details state-by-state estimated local business taxes paid to the state.

How tax and trade leaders can prepare for global tariff disruption

Explore how new US tariffs reshape trade, driving tax leaders to adapt. Understand steps to build resilience and seize emerging opportunities.

Key insights from the Business Tax Policy Barometer for January 2025

EY's Tax Barometer shows that while 73% are optimistic about the US business environment, many are concerned about potential tariffs. Read the report.

Active state tax legislative session expected in 2025

Governors outline tax policy priorities as legislative sessions begin.

Why technology and a solid data foundation are key to tax transparency

Learn how AI and emerging tech can help tax teams achieve transparency, comply with new regulations, and streamline reporting across global jurisdictions.

Seven ways early adopters are managing pre-populated VAT returns 

Here are the key lessons learned by multinationals dealing with reduced remediation and increased VAT scrutiny triggered by pre-population.

Bring tax advisers to the board room to navigate volatility

Tax can help strategic business planning, but leaders must have direct, regular communication with advisers.

Three prominent tax provision trends for 2025

Read the results from the EY 2024 Tax Accounting and Risk Advisory Services (TARAS) survey

Tips for manufacturers to prepare for President Trump's trade policies

Preparing now will help manufacturers adapt to potential changes in international trade policies.

Al Paul + 2

Trump, taxes and ’25—what to expect on TCJA, tariffs and tax policy

Tax changes affecting businesses will happen in 2025. The question is how quickly they will be enacted and how expansive they will be.

The outlook for IRA tech-neutral tax credits

Businesses question what the future may hold for the clean energy production and investment tax credits enacted under the Inflation Reduction Act.

EY QUEST Economic Update examines latest economic trends

The QUEST Economic Update summarizes the latest key economic and employment trends.

How a decade of transparency forever changed the tax world

A decade of increased tax transparency has changed businesses, who will need more data management to keep up with new developments. Learn more.

How to alleviate BEPS 2.0 Pillar Two data challenges

Advanced data aggregation tools can help with BEPS 2.0 Pillar Two compliance. Read our insights to stay compliant and reduce risks. Learn more.

Six steps to prepare for the operational impact of Pillar Two

Get ahead of operational and technology considerations for BEPS 2.0 Pillar Two reporting. Understand what to assess, plan, operate and monitor. Learn more.

2025 GOP trifecta: Trump's return, TCJA and other tax reforms

2025 GOP trifecta: President-elect Trump plans to enact major tax reforms likely through budget reconciliation.

A look ahead: President Donald Trump’s second term

A look ahead: President Donald Trump’s second term

The uncertain future of TCJA's IRC Section 199A

IRC Section 199A may expire at the end of 2025, causing tax implications for business owners.

Developments in state and local tax-related ballot measures

EY Indirect, State and Local Tax examines select state and local tax-related ballot measures.

Treatment of US multinational IP transfers in a Pillar Two world

This article discusses implications of the OECD's Pillar Two GloBE rules for US MNEs engaged in domestic and cross-border IP transactions.

State tax policy: potential impacts of the 2024 election

Results of the US elections are expected to impact state fiscal conditions and tax policy decisions in the years ahead.

How can a rebalance of power help re-energize your workforce?

Work is less connected to old ideas of career, rewards and workplaces. Explore the EY 2024 Work Reimagined Survey for keys to a Talent Advantage.

Outcome of US presidential election will impact trade and tariffs

The outcome of the 2024 election is pivotal to global trade and could have a significant impact on trade policies, global partnerships, tariff structures.

Five tax issues to watch heading into 2025

The party that wins in November 2024, may lead to big changes in the tax code. Read about what the tax cliff means and what is expiring in 2025.

How tax can support supply chain resiliency and transformation

The tax function’s integration with supply chains provides a platform to inject diversity, transparency, innovation and sustainability. Learn more.

A global immigration index for digital nomads and remote workers

The demand for globally agile working remains high. Learn which jurisdictions are creating processes for hyper-mobile workers known as digital nomads.

Energy with EY: Enabling the energy transition with capital and workforce

Whether in energy or other industries, the energy transition will require different capital, financing, operations, technology and skills. Here’s why.

Budget reconciliation basics

Budget reconciliation allows 51-vote Senate passage of revenue and spending bills under certain parameters.

How AI-powered data optimization drives tax and finance transformation

Transform your tax and finance with data-driven insights. Discover how strategic data use can guide decisions and streamline compliance. Learn more.

How a mobile workforce is shaping Pillar Two compliance

Explore the impact of remote work on Pillar Two compliance. Learn how to manage tax complexities. Read now.

How CHROs can leverage mobility to evolve workforce strategy

Learn why CHROs should consider the evolution of workforce mobility as a necessary path to better outcomes.

Energy transition

Discover energy transition insights, people and services and how our teams can help your business unleash sustainable value by embracing the evolution of energy.

What legal departments should ask themselves about GenAI

Chief legal officers can help businesses benefit responsibly from GenAI. Learn more.

Why public disclosure will require renewed focus on CbC reporting

Public disclosure of country-by-country tax data is set to create new risks for affected multinationals. Learn more.

How Solar for All grant recipients can make their programs shine bright

Solar for All: key takeaways from the latest EY US-hosted discussion on the EPA grant program, recipients’ next steps, and perhaps the top success factors. Read on for more.

US Tax Incentives for Hydrogen: A Clean Energy Solution

Learn how the government is incentivizing US companies to focus on hydrogen production as it’s a growing alternative energy source since the IIJA and IRA were enacted.

Five internal controls to assess with the new global minimum tax

What internal controls tax accounting teams need to look at due to the global minimum tax. Learn more.

How your shareholder liquidity strategy can be made future-proof

Meeting the liquidity needs of the family and the business is a balancing act that can help continue growing the enterprise. Read more.

How Mobility functions can evolve and thrive with a workforce in flux

Mobility agility drives business resilience, reveals the EY 2024 Mobility Reimagined Survey. Learn how mobility functions can evolve to activate key drivers.

Preparation for e-invoicing worldwide

Complexities are arising from the different e-invoicing requirements and timings worldwide.

Decades-long decline in FG500 companies headquartered in US has reversed

After decades-long decline, Fortune Global 500 companies are returning to headquarter their offices in the US. Learn more.

BEPS 2.0: as policies evolve, engagement is key

It remains to be seen whether the US will align its tax law with the OECD/G20’s global BEPS 2.0 rules. MNEs will feel the impact in 2024. Learn more.

Navigating BEPS 2.0: 4 key tips for your legal team

Prepare for BEPS 2.0's impact on legal teams. Understand its implications and prepare effective strategies. Learn more.

5 common tax approaches for entrepreneurs seeking growth

As a business grows, early review of tax matters and government incentives can help improve outcomes. Learn more.

Top 10 unexpected Pillar Two challenges for US multinationals

Top 10 most common Pillar Two surprises for US MNEs | Learn More

How do you drive transfer pricing certainty in uncertain times?

Businesses are prioritizing transfer pricing certainty in an era of global minimum taxes. That starts with getting the data right. Learn more.

How IONITY’s finance function became a growth driver

Discover how IONITY built its full-service finance operations across Europe from the ground up with minimal staff and limited resources.

    Sign up for EY Tax Alerts

    Stay up to date in today's complex and rapidly changing corporate tax environment.


    Watch our latest webcasts and listen to our podcasts

    Financial services tax and finance transformation trends and opportunities for 2025

    In this webcast, EY panelists explore key trends shaping financial services organizations’ tax and finance functions.

    International tax talk quarterly series with the EY Global Tax Desk Network - May 2025

    In this webcast, panelists discuss sales, separations and spin-offs and how to navigate multi-jurisdictional taxes.

    Beyond the Trump Administration’s First 100 Days: What’s Next for Businesses?

    In this webcast, panelists discuss strategies for executives to proactively navigate and thrive during President Trump’s second term.

    US corporate income tax compliance - April 2025

    In this webcast, panelists discuss planning for tax year 2024 and beyond.

    Tax in a time of transition (April 11, 2025)

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Navigating AI and ERP transformation in the tax function: one approach or two?

    In this webcast, panelists discuss how to navigate AI and ERP transformation in the tax function.

    Accounting for income taxes: a quarterly perspective – March 2025

    In this webcast, panelists discuss recent tax legislation with tax accounting implications and a review of current income tax accounting concepts.

    How supply chain transformation is reshaping global business

    This podcast explores how global supply chains, new regulations and AI innovations reshape tax functions, transfer pricing, and business operating models.

    33m 55s

    Tax in a time of transition (March 14, 2025)

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Sustainability trends and EPR requirements

    In this webcast, EY panelists discuss the latest state sustainability legislative and regulatory trends, including EPR packaging programs.

    Domestic tax quarterly webcast series: a focus on state tax matters – March 2025

    In this webcast, panelists discuss important state tax policy considerations that are emerging in 2025.

    The Competing Forces & Compromises Shaping Tax Policy

    In this webcast, EY panelists discuss some of the challenges and opportunities ahead as we navigate tax in 2025 and beyond.

    BorderCrossings … with EY transfer pricing and tax professionals - February 2025

    Updates on Canada and the OECD; what might the future hold?

    Financial Services - State Tax Navigator quarterly series (February 25, 2025)

    Panelists navigate complexities in state tax, with a specific focus on issues that are top of mind for tax professionals in the BCMI sectors.

    Tax in a time of transition (February 21, 2025)

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    What the Trump administration means for business leaders in 2025

    In this webcast, panelists discuss how executives can prepare to stay ahead in a second Trump presidency.

    State & local tax issues impacting the real estate industry - February 2025

    In this webcast, panelists discuss changes impacting income tax compliance, real estate transfer tax trends and the Inflation Reduction Act.

    Tax in a time of transition (February 7, 2025)

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Tax in a time of transition (January 24, 2025)

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Tax in a time of transition: legislative, economic, regulatory and IRS developments - December 2024

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Special post-election edition: Tax in a time of transition

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    2024 US election impacts on state and local tax policy

    In this webcast, panelists discuss the election results from a state and local tax perspective and what they mean for business executives.

    Post-election 2024: key insights for business leaders

    In this webcast, panelists will discuss how business leaders can anticipate and adapt to the evolving legislative and regulatory implications of the 2024 US elections.

    How can e-invoicing in Asia-Pacific inform global implementations

    In this webcast, panelists discuss e-invoicing in Asia-Pacific and approaches that can be scalable across Multi-National Enterprises. Learn more.

    The future of AI in Tax: insights and practical considerations for the tax function

    In this webcast, panelists discuss AI’s current impact in the tax industry and uncover how AI can potentially deliver tangible value in tax operations.

    DC Dynamics

    DC Dynamics focuses on US tax policy. Host Ray Beeman breaks down and examines current developments in Congress and puts them into political and policy context. Ray will feature EY subject-matter resources, thought leaders and other political experts to cover other hot topics on the Congressional policy agenda.

    Tax in a time of transition (October 18, 2024)

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Tax and Finance transformation - October 2024

    In this webcast, panelists discuss insights and leading practices for operating your tax and finance function.

    What India’s 2024-25 Budget could mean for its economy

    In this webcast, EY panelists help decode the fine print of the 2024-25 India Budget.

    Using entity resolution to make data an enabler instead of a bottleneck

    Join us for the next installment in our Sustainability Tax webcast series discussing how your tax function can be an asset in net zero transition.

    New revisions to Form 6765: how they may change taxpayers’ approach to R&D credit claims

    In this webcast, the speakers will explore current economic conditions and provide strategic insights into navigating complexities and uncertainties.

    Spotlight on BEPS 2.0: developments and practical implications for US MNEs - June 2024

    In this webcast, panelists discuss the recently released OECD administrative guidance.

    Tax in a time of transition: legislative, economic, regulatory and IRS developments - June 2024

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    Accounting for income taxes: a quarterly perspective

    In this webcast, panelists discuss recent tax legislation with tax accounting implications and a review of current income tax accounting concepts.

    Domestic tax quarterly webcast series: a focus on state tax matters - June 2024

    Panelists discuss important state tax policy developments, as well as federal tax developments that could affect state and local taxes.

    How artificial intelligence will transform tax

    In this podcast, guests discuss the current state of GenAI, how it is transforming the tax world and how it will shape future operating models. Learn more.

    54m 7s

    PE and private capital update – Q2 2024

    Please join our panel of professionals for our webcast – a timely discussion of recent global private equity (PE) industry trends

    Spotlight on BEPS 2.0: developments and practical implications for US MNEs

    In this webcast, panelists discuss how technology may be used to operationalize BEPS 2.0 Pillar Two.

    How mining and metals companies can navigate ESG tax and regulatory challenges

    Learn how mining will play a pivotal role in the energy transition. In this webcast, panelists from across the Americas will discuss the tax landscape.

    International tax talk quarterly series with the EY Global Tax Desk Network

    In this webcast, panelists discuss regional and local country tax implications of post-merger integrations carried out by US multinationals.

    How e-invoicing should be both local and global

    In this webcast, panelists share insights on global e-invoicing implementation and compliance, among other topics. Learn more.

    Tax in a time of transition: legislative, economic, regulatory and IRS developments

    In this webcast, panelists discuss the US economy and tax policy, what’s happening at the IRS and breaking developments.

    What EU Deforestation Regulation compliance readiness looks like

    In this webcast, panelists discuss effective compliance and reporting readiness actions for EUDR, case studies and strategic considerations.Learn more.

    Spotlight on BEPS 2.0: developments and practical implications for US MNEs

    In this webcast, panelists discuss global legislative developments and leading practices and learnings from the Q1 tax provision.


      Worldwide Corporate Tax Guide 2024

      Governments worldwide continue to reform their tax codes at a historically rapid rate. Taxpayers need a current guide, such as the Worldwide Corporate Tax Guide, in such a shifting tax landscape, especially if they are contemplating new markets.

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      BEPS 2.0

      BEPS 2.0 rules dramatically change the international tax landscape, potentially bringing reporting and compliance challenges to every industry.

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