Success-Fee-Only M&A Advisor: Seller Guide

A success-fee-only M&A advisor is paid only when a transaction closes. For sellers, that can improve alignment because the advisor takes closing risk rather than earning economics before buyer work is proven. Lyndon Advisory charges 2% of enterprise value, capped at US$300,000, with no retainer, monthly fee, or expense recharge.

Success-fee-only is not enough by itself. The seller still needs to check whether the advisor will run a real sell-side process with full materials, buyer mapping, targeted outreach, and negotiation support.

What Success-Fee-Only Should Mean

Term	Seller-friendly version	Risky version
Upfront payment	None	Listing fee, setup fee, or admin fee
Monthly retainer	None	Non-creditable monthly advisory fee
Expense policy	No recharge or written cap	Open-ended travel, database, or marketing costs
Fee trigger	Closing only	LOI, signing, exclusivity, or partial completion
Scope	Materials, model, buyer outreach, negotiation, diligence	Introduction-only or public listing
Fee cap	Clear dollar cap	Percentage that rises indefinitely with value

Axial’s 2025-2026 M&A Fee Guide shows how engagement fees, retainers, success fees, capital-raising fees, and expense policies can vary across the lower middle market. Sellers should compare actual dollars and trigger points, not just labels.

Why the Model Can Improve Alignment

If the advisor is paid only at closing, the economics are closer to the seller’s objective: complete a good transaction. The model can reduce the risk of paying for a process that stalls before qualified buyers appear.

Seller concern	What to confirm
Will I pay if nothing closes?	The success fee is due only at completion
Will the advisor still invest time?	Named workstreams and senior owner are written into scope
Could the fee become too large?	A clear dollar cap applies
Could expenses erode proceeds?	No expense recharge or a written limit
Will buyers be qualified?	Buyer criteria and disclosure controls are defined

The IBBA and M&A Source Market Pulse tracks the Main Street and lower-middle-market sale environment where broker and advisor models overlap. That overlap is exactly where sellers need to separate fee alignment from process quality.

“Success-fee-only is valuable when it transfers real closing risk to the advisor. It is not a license to do less work. The seller should still expect valuation, positioning, buyer outreach, negotiation, and diligence discipline.”

— Daniel Bae, Founder & CEO, Lyndon Advisory

How Lyndon Structures It

Item	Lyndon position
Success fee	2% of enterprise value
Cap	US$300,000 maximum advisory fee
Retainer	None
Monthly fee	None
Expense recharge	None
Payment trigger	Closing only
Core work	Valuation, teaser, CIM, model, buyer map, targeted outreach, negotiation, diligence coordination

For related fee mechanics, read No-Retainer M&A Advisor, Capped Success Fee M&A Advisor, and M&A Advisor Fees and Seller Net Proceeds.

Practical Next Step

Situation	Best next step
You are comparing advisor proposals	Compare M&A advisor fee proposals
You want to model total fee impact	Use the fee calculator
You want Lyndon’s exact terms	Review Lyndon fees
You want a fit view before signing	Submit a confidential valuation inquiry