INSIGHT

Tax planning for M&A transaction advisory 

Bob Houston • June 3, 2025

Services: M&A Tax Services

---

When companies join forces through mergers or acquisitions, they can reshape their financial landscape—especially when it comes to taxes. Whether you stand on the buy-side or sell-side of a transaction, understanding the tax implications is crucial to achieving your strategic and financial objectives.  

This article explores the essential tax planning considerations for M&A transactions and how proper advisory services can optimize your outcomes. 

Key tax structures in M&A transactions 

The structure of an M&A transaction fundamentally determines its tax treatment and consequences for all parties involved.    

Asset purchase 

In an asset purchase, the buyer acquires specific assets and liabilities of the target company. This structure allows the buyer to “step up” the basis of the acquired assets to their fair market value, leading to future tax benefits through higher depreciation or amortization deductions. However, sellers may face higher taxes due to the potential for some of the gain to be treated as ordinary income as opposed to capital gains. 

Stock purchase 

When a buyer acquires the stock of a target company, they purchase the entire business, including its assets and liabilities. The tax basis of the assets typically remains unchanged. While this may not provide the same depreciation benefits as an asset purchase, a stock purchase can be more favorable for sellers, as it may allow them to qualify for capital gains treatment.  

Buyers typically prefer asset purchases since with a stock purchase, all the history of the company, including any historical tax liabilities, comes along with the stock of the company. 

Tax-free reorganizations 

A merger or acquisition may qualify as a tax-free reorganization under IRC §368, allowing shareholders to defer recognition of gain. This approach can provide significant benefits when immediate liquidity isn’t the primary goal, preserving capital that would otherwise be paid in taxes. 

Critical tax considerations for successful transactions 

Income tax implications 

Based on the structuring of the M&A transaction, the deal can have current tax consequences or potentially qualify for tax deferral. Additionally, the characterization of any gain on the sale between ordinary versus capital gain depends on how the transaction is structured. 

This distinction can create substantial differences in after-tax proceeds, making transaction structure a central element of tax planning for M&A transaction advisory. 

Preservation of tax attributes 

The treatment of tax attributes, such as net operating losses (NOLs) and tax credits, is a crucial consideration in M&A transactions. These attributes can be valuable to the acquiring company, but their use may be limited under certain tax rules, such as the Section 382 limitation in the U.S on NOLs. 

Comprehensive tax planning for M&A transaction advisory includes identifying strategies to maximize the preservation and utilization of these valuable tax attributes. 

State and international tax considerations 

In addition to federal taxes, M&A transactions may have implications for state and local taxes. Different states have varying rules on how mergers and acquisitions are taxed, which can affect the overall cost of the transaction.  

For cross-border M&A transactions, companies must consider international tax implications, such as withholding taxes, transfer pricing and the potential application of double taxation treaties. These factors can significantly influence the structure and financial outcome of the deal. 

Transaction cost recovery 

The tax treatment of transaction costs represents another critical area where proper tax planning for M&A transaction advisory delivers value. Determining which costs can be deducted immediately versus those that must be capitalized impacts cash flow and return on investment calculations. 

Comprehensive approach to tax planning in M&A 

Effective tax planning for M&A transaction advisory requires a holistic perspective that balances tax efficiency with business objectives. This approach includes: 

1. Pre-transaction tax due diligence 

2. Modeling alternative transaction structures 

3. Identifying tax risks and opportunities 

4. Developing integration strategies that maintain tax efficiency 

5. Creating post-closing tax compliance plans 

“The biggest tax planning mistakes happen before the deal even starts. Too many companies treat tax strategy as a checkbox item during due diligence, but by then, you’ve already locked yourself into suboptimal structures. The smart move? Start planning years ahead of a potential transaction. This gives us the runway to stress-test different deal structures, uncover hidden tax advantages, and position your company to capture maximum value when opportunity knocks. When tax planning is woven into your long-term strategy from day one, you’re not just reacting to deals—you’re architecting them for success.” – Bob Houston – M&A Leader 

Working with BPM for your M&A tax planning needs 

BPM brings decades of transaction advisory experience to companies navigating the complexities of M&A tax planning. Our team understands that each transaction presents unique challenges and opportunities, requiring customized tax strategies aligned with your business objectives. We work closely with your leadership team to develop tax-efficient structures that maximize after-tax value while minimizing risk. 

To schedule a consultation with our M&A transaction advisory team and discover how strategic tax planning can enhance your deal value, contact us.