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Year-end planning in the OBBB era: Why ‘closing the books’ has new meaning

As the first full year of the One Big Beautiful Bill legislation takes shape, businesses are bracing for one of the most consequential year-end cycles in recent memory. New reporting rules, shifting incentives, and heightened scrutiny are reshaping what it means to close out the books — and pushing leaders to treat year-end as a strategic checkpoint rather than a routine deadline.

For many organizations, the familiar rhythm of reconciling financials and preparing for tax season is giving way to a broader, more strategic review of the business. The pressures of OBBB, combined with a fast-changing financial landscape, require insight that goes beyond traditional compliance. This is where advisory services comes in — helping leaders translate shifting requirements into a plan they can navigate with clarity and confidence.

In conversations with business owners across industries, one theme has become constant. Leaders want to understand not only the numbers themselves, but also what those numbers reveal about their current trajectory. That need for clarity is heightened by OBBB’s arrival, which introduces new expectations around documentation, data, and financial readiness.

A new kind of year-end review

Traditionally, year-end was focused on finalizing financials, assembling documents, and preparing for filing obligations. Those steps still matter, but they now sit within a larger set of questions that business owners must consider. What effect will OBBB have on cash flow and timing? Are financial systems up-to-date enough to ensure accurate reporting? Where might risk exist within operations, technology, or documentation? And perhaps most importantly: what decisions should leaders make now to start 2026 from a position of strength?

These questions reflect a shift toward more proactive planning. Instead of treating year-end as a moment of closure, businesses are beginning to see it as an opportunity to assess the health, resilience, and direction of the organization.

Understanding what the business is worth

One of the most valuable insights to come from year-end planning is a clearer view of the company’s worth. Valuation is often associated with selling a business, but in reality, it is equally relevant for owners who are staying the course. Value changes throughout the year in response to market conditions, customer behavior, margin performance, operational efficiency, and risk. A thoughtful valuation review can reveal whether the business is trending in the right direction or whether subtle shifts beneath the surface deserve attention. It also helps leaders make more informed decisions around borrowing, reinvesting, planning for succession, or preparing for potential transitions in the future.

Ensuring numbers are reliable enough to guide decisions

Another area that often surprises business owners is the condition of their accounting foundation. Many assume their numbers are reliable until year-end exposes gaps, inconsistencies, or delays. When financial information isn’t current or clear, decision-making slows down. Leaders might hesitate to invest, hire, or expand simply because they are unsure what the numbers are truly telling them.

Year-end presents a natural moment to step back and confirm that the business has the reporting, processes, and visibility it needs. Clean financials, dependable forecasting, and consistent reporting rhythms help owners respond quickly to changing conditions — not just during tax season, but throughout the year.

Finding tax opportunities hidden in property and assets

For businesses that own, build, or renovate properties, year-end is an ideal time to revisit fixed assets and potential tax benefits. Many organizations overlook opportunities that could improve their short-term cash position, simply because these reviews are not part of the typical year-end routine. Yet a thorough assessment can uncover meaningful advantages, especially when coordinated before filing season begins. With OBBB on the horizon, documentation and defensibility will matter even more, making this the right moment to ensure everything is in good order.

Strengthening technology before filing season

As financial processes become increasingly digital, cybersecurity and system readiness take on greater importance. The months leading into tax season often involve a surge in data exchange across accounting systems, payroll platforms, and document portals. This is precisely when weaknesses tend to surface.

A careful review of the business’s IT environment, from data backups and permissions to security controls and regulatory expectations, can prevent disruptions when deadlines are tight. For organizations subject to insurance, grant, or regulatory requirements, this review is no longer optional; it is essential to maintaining compliance and avoiding last-minute issues.

Preparing for unexpected transactions

Even businesses with no immediate plans to sell, merge, or acquire can benefit from reviewing their transaction readiness. Opportunities often arise with little notice, and the ability to act quickly can make a meaningful difference. Organized financial records, clearly documented processes, and a well-understood narrative behind the numbers all improve the likelihood of a successful outcome. Year-end is an opportune time to ensure the business is prepared, whether a transaction occurs in the next quarter or several years down the line.

Looking ahead with confidence

As the OBBB reshapes expectations, the businesses best positioned for success will be those that begin the new year with a clear understanding of their financial health, their operational stability, and the opportunities available to them. The goal isn’t merely to meet compliance requirements; it’s to create a strong foundation for smarter decisions, faster response times, and greater resilience in 2026.

Year-end planning may still involve checklists and filings, but it has become much more than that. It is an opportunity to step back, assess the business holistically, and make choices that reduce uncertainty in the months ahead. The clearer the picture leaders build now, the more confidently they can navigate whatever the next year brings.

Mark Kovaleski is the managing partner at MMB+CO, a full-service accounting and advisory firm offering audit, tax, consulting and business advisory services to clients across New York State and beyond. Learn more about MMB+CO’s Client Advisory Services at mmbaccounting.com.