M&A advisory contracts set the terms for how your deal gets done—and which advisor shoulders the risk if something goes wrong. Getting these agreements right at the outset saves thousands in disputes and prevents misaligned incentives from derailing your transaction. Here's what to negotiate before you sign.
Fee Structure: The Foundation of Alignment
Your M&A advisor's compensation model directly affects their motivation and your bottom line. The most common structure is a retainer plus success fee, typically ranging from 0.5% to 2% of enterprise value depending on deal size and complexity. Mid-market deals ($50–250M) tend to fall in the 1–1.5% range, while larger transactions negotiate lower percentages.
Push back on retainers if they're excessive relative to the deal timeline. A six-month sell-side process shouldn't command a $150K monthly retainer if the advisor has limited ongoing obligations. Clarify what work the retainer covers—management meetings, financial statement review, buyer outreach—and what triggers additional fees.
The success fee (or "deal fee") is non-negotiable, but the definition of "success" is. Insist on clear language: is the fee triggered only when money closes, or when a letter of intent is signed? For a buyer, define whether the fee applies if you walk away due to due diligence findings. This distinction can mean hundreds of thousands of dollars.
Scope of Work: Define Boundaries
Vague scope language creates creep. Your advisor might start with financial modeling and valuation, then gradually expand to include board presentations, regulatory filings, and post-close integration work—each eating hours without additional compensation.
Lock down specific deliverables:
- Number of buyer introductions or "sell-side processes" (typically 20–50 for mid-market sales)
- Management presentation deck preparation (one revision round or unlimited?)
- Data room setup and management
- Due diligence support (which rounds, which advisors attend calls?)
- Post-close transition services (if any)
State upfront which services fall outside scope. If legal or tax work is needed, clarify whether your advisor coordinates or if you hire separate counsel.
Exclusivity and Conflict Waivers
M&A advisors often work with competing companies or serve multiple roles (valuation, financing, strategic advice). Review the conflict-of-interest disclosure carefully. A sell-side advisor should not simultaneously advise competing buyers on your space without explicit waiver. Even then, require information barriers and written consent.
Check if your advisor has existing client relationships that could create awkward situations—for example, advising a potential buyer on other deals simultaneously. If your transaction is sensitive (family business, competitive intel), tighter exclusivity is worth negotiating, even if it costs slightly more.
Expense Handling and Caps
Advisor fees cover their staff time, but expenses—travel, data room hosting, document printing—add up fast. Ensure the contract specifies:
- Which expenses are covered by the fee and which are passed through
- A reasonable cap on monthly expenses (typically $5K–$15K depending on deal activity)
- Requirement for pre-approval of large expenses (flights, hotels, external vendor services)
Many advisors build in 10–15% expense cushion; anything beyond requires your written sign-off. Get monthly expense reports in writing.
Liability, Representations, and Insurance
Your advisor should represent that they have professional liability insurance (errors and omissions coverage, typically $1M–$5M limits). Confirm the insurer, policy limits, and whether the policy covers M&A advisory specifically. Some carriers exclude certain advisory functions.
Address limitations of liability in the contract. A cap of "not to exceed fees earned" is standard, but push for exceptions where gross negligence or breach of confidentiality occurs. You want protection if your advisor leaks sensitive information or misses a material valuation adjustment.
Termination and Tail Fees
Define how either party exits the engagement and what happens to success fees if you terminate early. If you fire your advisor after they've completed 80% of a sell-side process, do they still earn a reduced success fee if the deal closes within 12 months? Negotiate a "tail period" (usually 12–24 months) and whether the fee applies if you engage a replacement advisor mid-stream.
Platforms like Mercoly let you compare M&A advisory contracts and terms from trusted providers, making it easier to spot which firms align with your approach.
Frequently Asked Questions
Q: What's a reasonable M&A advisory fee for a $100M business sale? Expect 1–1.5% of enterprise value, split between a $50K–$100K monthly retainer (4–6 months) and a success fee triggered at close.
Q: Should I negotiate exclusivity if my advisor is brand-new to my industry? No—younger firms may offer lower fees in exchange for broader exposure; focus instead on clear scope and liability caps to manage risk.
Q: Can I change advisors mid-process without losing the success fee if they close? Only if your original contract allows it; most contain "tail" clauses paying a reduced fee if your replacement advisor closes within 12 months of termination.
Compare M&A advisory contracts on Mercoly to find terms that protect your interests from day one.