The 2025 filing season has been completed quietly, despite trepidation regarding the Internal Revenue Service’s ability to function effectively in the face of cuts in funding and staff.
“It’s been pretty smooth,” according to Roger Harris, president of Padgett Business Services. “A very typical season. Of course, the last four or five days are always a challenge when all the procrastinators come in. There’s always a hiccup during the last week.”
One of the reasons it was smooth was a concerted effort to focus all IRS resources to make it smooth, according to Harris — an important lesson for the future.
“The IRS needs to have money and technology and people to work effectively,” he said. “It’s easy to pick on them, but the system wouldn’t work without them, so we need a well-functioning IRS. I don’t know how many people or dollars that takes — like many branches, they can probably do more with less — but we don’t want to cross over the line and become nonfunctional. Hopefully this smooth season is a harbinger of what’s coming.”
The ability of the agency to function effectively will be particularly important in the near future.
“There will be a massive tax bill, which will require the IRS to issue guidance and forms,” Harris explained. “They need the resources just to issue resources and to have the ability to process returns under the new rules. Once the law is passed, the burden is on the IRS to implement it. So many senior people and talented people have left, and we don’t know yet how well they will be able to function without them.”
Complexity for everyone
“It seems that no matter how well we have prepared for tax season with education, conferences, chats, what we can never be ready for is America’s changing taxpayer,” said Beanna Whitlock, managing member and executive director of Tax Pro Fellowship LLC, and former director of national public liaison for the IRS. “I remember when my parents went to the ‘tax man’ to have their taxes done. Normally they went just as soon as my dad got his W-2, because of the small refund they expected, which would normally fund our modest summer vacation. Now taxpayers are looking for the ‘great giveaway,’ whether it is the Earned Income Tax Credit, energy credits or the Child Tax Credit. Almost every taxpayer has a credit available to them. Those that partook of the advanced premium tax credit for health insurance through the exchange were shocked at having to pay some back — in many cases, this was a lot of money. Taxpayers do not understand the complexity of anything that has to do with federal, and in some cases, state tax complexity.”
Whitlock summarized her lessons learned during the busy season:
Know your client. Much of this knowledge will come from requiring a deposit on the work to be done. If they balk now, imagine their attitude when the work is finished.
Do not feel sorry for your client. You didn’t make their decisions nor were you consulted. The tax professional’s job is to prepare a complete and accurate tax return and, in the process, educate clients about our tax system.
“Our service to America’s taxpayers is of quality return preparation, and representation of our taxpayer at the highest level,” she said. “When we look in the mirror we should like who we see.” For those who work primarily with individual and family office clients, tax season begins in late November and December, prior to the beginning of the traditional tax season period, according to Jim Guarino, managing director at Top 100 Firm Baker Newman Noyes.
“This is primarily due to the concentrated efforts we spend working with our clients to do year-end tax planning,” he explained. “Most tax seasons include a series of ebbs and flows beginning with year-end tax planning in late fall and continuing into mid-January when fourth quarter estimated tax payments are due. We then experience a minor lull between mid-January and mid-February as clients begin to receive their tax forms and assemble their documents. We typically notice an uptick in client correspondence in late February, which then leads to a period of nonstop tax preparation activity for the final six weeks of tax season, culminating on April 15.”
Guarino agreed with Harris that the 2025 season was fairly smooth: “This past tax season felt like a traditionally typical tax season without any notable hiccups or announcements other than the disaster relief provisions the IRS put in place to assist communities impacted by natural disasters in 2024 and early 2025. Although this past season was relatively uneventful, especially in comparison to tax seasons past, there are always lessons to be learned.”
That doesn’t mean it didn’t offer lessons, however, he said. “There was less client anxiety about the December 2025 expiration date of the Tax Cuts and Jobs Act,” said Guarino. “Although nothing has officially changed, there was less concern about initiating early 2025 tax planning. Taxable income spikes — required minimum distributions and capital gains — were higher than in 2023. Many of my retiree clients reported substantially larger 2024 RMDs and capital gain distributions (mutual funds) along with increased realized capital gains in their investment portfolios. This resulted in clients incurring higher tax liabilities in 2024 compared to 2023.
The importance of thinking ahead
Proper prior planning, of course, can prevent those shocks.
“For many of our planning clients who had balances due, it was not a surprise, due to the year-end planning we did in November,” Guarino continued. “This prevented April tax trauma, and gave their investment advisors time to accumulate cash so they would have the necessary cash available to make their April tax payments.”
“There was an uptick in the number of clients requesting additional tax planning and tax advisory services,” he added. “In effect, clients are looking for holistic financial planning advice, much of which is centered on how taxes impact their financial decisions. The more frequently requested client inquiries included business owners requesting business succession and retirement planning advice, pre-retirement couples requesting advice on traditional IRA rollover and Roth IRA conversion planning, Social Security claiming options, and IRMAA threshold planning [income-related monthly adjustment amount for Medicare Part B and Part D premiums].”
Guarino described a situation in which the firm’s experience and curiosity saved a client thousands of dollars.
“We encountered an unusual situation concerning a Form 1099 reporting error for one of our clients,” he said. “We noticed a substantial short-term capital gain from the sale of three blue-chip type securities during one of our client engagements. The cost basis was extremely low and was not consistent with the fair market value of the securities during 2024. We suspected that the tax basis only represented the cost for an option to purchase the security instead of the actual price, and asked the client’s investment advisor to review whether the assigned tax basis was correct.”
On further review, they determined that the securities sold were the result of a previous stock split, the original stock had been purchased decades earlier, and the allocated tax basis to the news shares was minimal.
“This explained the very low tax basis assigned to the security sales but did not explain the short-term category of the gains,” Guarino said. “We believed the gain should have been long-term gains, not short-term. If left uncorrected, the client’s short-term capital gain would have been taxed at a 37% tax rate compared to a 15% rate. The difference in federal tax liability would have amounted to more than $15,000.”
“We’ll never know if this reporting error would have been caught by our client if they had prepared their own return, or by a less-experienced tax preparer,” he concluded. “Would most taxpayers have simply input the $70,000 short-term capital gain into their software and not questioned the appropriateness of the 1099 reporting? It was gratifying that our firm’s review process and sense of professional curiosity resulted in our client saving that amount.”
Risks on the rise
The big news from this tax season is that liability claims for tax services are really up, according to John Raspante, senior vice president and director of risk management at McGowanPro. Until this past tax season, Raspante kept a small CPA practice in addition to his work as an insurance executive.
Part of the reason for the rise is that a lot of firms stopped doing audit work. “Audit engagements just weren’t profitable, especially in government engagements,” he said. “There is not much in the way of fees, and it’s not worth the time needed to satisfy professional standards.”
“Moreover, taxes are not getting any easier,” he observed. “Staffing has caused problems, and although outsourcing has helped, there are still issues. Without outsourcing it could be a perfect storm — lack of staff combined with increased oversight by authorities, including audits and exams. Tax claims continue to be the most common, but they’re the smallest in dollar amount.”
More broadly, Raspante foresees more changes in ownership of accounting firms coming through private equity, as has been the case in other professions, such as dental practices.
“I get calls about this almost daily,” he said. “It’s a switch in traditional succession planning. Different states have different rules, but as long as the firm is 51% owned by CPAs, it’s good. The problem from a liability standpoint is the fact that down the road, clients may use this as a factor once their liability goes before a jury. Where non-CPAs are involved could be an element of concern.”
Corporate accounting departments face expanding reporting expectations as international sustainability disclosure standards achieve regulatory enforcement across major global jurisdictions. Chief Accounting Officers (CAOs) and corporate controllers are establishing rigorous internal accounting controls to treat Environmental, Social, and Governance (ESG) metrics with the same data precision, auditability, and governance as traditional financial statements.
Regulatory Harmonization Under Global Sustainability Frameworks
The implementation of standardized sustainability reporting frameworks—notably rules established by international sustainability accounting boards—has created unified expectations for public and large private enterprises. Corporations must report standardized metrics covering greenhouse gas emissions (Scope 1, 2, and material Scope 3), energy utilization, workforce demographics, and supply chain governance.
In Europe and other participating international jurisdictions, double materiality principles are mandatory. Under double materiality, organizations must report both how external sustainability risks impact corporate financial performance, and how internal corporate operations affect surrounding environmental and social structures.
Integrating Sustainability Metrics into Core ERP Systems
To provide auditable non-financial data, enterprise organizations are integrating specialized carbon accounting and ESG management platforms directly into core ERP systems. Automated data collectors capture energy utility invoices, logistics fuel consumption metrics, and vendor compliance records in real time.
Establishing automated, traceable data pipelines ensures that non-financial reporting is supported by clear audit trails. This structured approach allows external financial auditors to provide reasonable assurance on sustainability disclosures during annual corporate reporting cycles.
Financial Impacts and Capital Market Disclosure
Accurate ESG reporting directly influences corporate cost of capital and institutional credit ratings. Commercial lenders and institutional asset managers systematically incorporate sustainability metrics into risk pricing models. Companies that demonstrate transparent, verifiable progress in operational energy efficiency and climate risk mitigation benefit from expanded access to green bond markets and lower debt pricing.
Action Steps for Accounting Leadership
1. Implement Double Materiality Frameworks: Conduct comprehensive assessments to identify material financial and operational sustainability metrics.
2. Build Auditable Non-Financial Data Pipelines: Automate ESG data collection within core accounting software to ensure data integrity.
3. Align Sustainability with Annual Financial Filings: Prepare non-financial disclosures concurrently with financial statements to satisfy regulatory audit expectations.
Internal audit departments and corporate risk managers are modernizing internal control frameworks by shifting from periodic sampling techniques to continuous monitoring and machine learning analytics. As operational data volumes increase across enterprise organizations, automated control testing ensures financial integrity, prevents corporate fraud, and streamlines annual audit engagements.
The Limitation of Periodic Audit Sampling
Historically, internal and external auditors evaluated internal controls by reviewing random samples of financial transactions—often analyzing less than five percent of total ledger entries. In complex enterprise environments, periodic sampling methods carry inherent risks of overlooking localized financial misstatements, unauthorized disbursements, or operational control breakdowns.
In 2026, progressive internal audit functions are utilizing automated continuous monitoring platforms that evaluate one hundred percent of financial transactions in real time. Continuous control auditing systems continuously monitor general ledger entries, procurement approvals, and expense reimbursements across all operating subsidiaries.
AI-Powered Fraud Detection and Anomaly Identification
Machine learning models trained on historical corporate financial data excel at identifying subtle transactional anomalies that indicate potential fraud or operational error. Automated systems instantly flag duplicate invoice payments, unapproved vendor creation, unusual journal entry timing, and unauthorized override of authority thresholds.
When an anomaly is detected, the automated auditing platform generates an instant risk alert, allowing internal audit teams to investigate root causes immediately. Early detection prevents minor operational errors from escalating into material weaknesses in financial reporting.
Streamlining External Audit Preparation
Continuous internal control monitoring delivers significant benefits during annual external financial audits. External audit firms can review continuous audit logs and automated control testing documentation, reducing the time required for manual field testing.
This integrated approach lowers overall audit compliance fees, reduces administrative burdens on corporate accounting staff, and provides senior management and audit committees with real-time visibility into the organization’s overall risk profile.
Core Implementation Guidelines
1. Transition to 100% Data Testing: Replace legacy sampling methods with automated continuous audit monitoring systems.
2. Deploy Anomaly Detection Algorithms: Implement machine learning models to identify unauthorized transactions and operational control overrides.
3. Align Internal and External Audit Workflows: Coordinate continuous control testing protocols with external auditors to optimize annual compliance cycles.
Corporate tax accounting departments are navigating an era of unprecedented regulatory complexity as global tax harmonization frameworks take full effect alongside real-time digital tax reporting mandates. Tax directors and accounting teams are adopting cloud-based tax compliance automation tools to manage multi-jurisdictional tax liabilities and satisfy stringent reporting rules across international jurisdictions.
Implementation of Global Minimum Tax Provisions
The implementation of international tax reform agreements—notably the Pillar Two global minimum tax framework—has reshaped multinational corporate tax planning. Multinational enterprises with consolidated revenues exceeding established thresholds must ensure an effective tax rate of at least 15% across every jurisdiction in which they operate.
Accounting teams are implementing specialized tax calculation modules integrated directly into enterprise resource planning (ERP) platforms. These automated tools calculate effective tax rates per country, identify top-up tax liabilities, and generate standardized compliance documentation required by national tax authorities.
Real-Time Digital Invoicing and E-Reporting Mandates
Tax authorities across Europe, Latin America, and Asia-Pacific have enacted mandatory electronic invoicing (e-invoicing) and continuous transaction controls (CTC). Under these systems, corporate transaction data must be submitted electronically to government portals in real time at the point of sale or invoice issuance.
This shift toward continuous digital tax reporting eliminates traditional annual tax audits in favor of ongoing automated compliance monitoring. Accounting departments are upgrading invoicing software to ensure seamless XML data formatting, digital signature authentication, and real-time validation against tax authority databases.
Automation and Data Analytics in Corporate Tax Strategy
To keep pace with dynamic tax legislation, tax departments are transitioning from reactive compliance teams to proactive strategic advisors. Machine learning algorithms analyze corporate transactional data to identify tax credits, research and development (R&D) incentives, and cross-border transfer pricing adjustments.
By automating routine tax return filings and calculations, corporate tax directors can focus on long-term capital structuring, evaluating the tax implications of corporate mergers, and optimizing international supply chain networks.
Strategic Priorities for Tax Executives
1. ERP System Upgrades: Ensure enterprise software is capable of generating real-time, granular tax data required for global minimum tax compliance.
2. E-Invoicing Integration: Implement scalable e-invoicing platforms to satisfy regional continuous transaction control regulations.
3. Strategic Tax Analytics: Utilize predictive tax modeling tools to evaluate structural changes in corporate operations and cross-border trade.