Three Types of Auctions for Sell-Side Mergers & Acquisitions

Unless a seller opts (foolishly) to negotiate a sale with a single buyer, some form of auction is the most likely scenario. There are generally three distinct buckets that form the basis for the M&A auction process. The seller and the investment banker will work together to determine which of the following auctions will result in the best outcome. Determining the proper auction requires including the seller’s desire, confidentiality concerns, valuation enhancement and strategic fit and a host of other qualitative and quantitative reasons.

There is really no optimal process that fits for all sellers. The following should provide a general idea of and outline.

Understanding Sell-Side Auction Structures

Before selecting an auction format, a seller’s sell-side preparation must be thorough. Buyers evaluate materials quickly, and sellers who arrive at market with clean financials, a compelling narrative, and organized virtual data room documentation will attract better qualified interest regardless of which auction format is chosen. The process design is a strategic decision, not merely a procedural one.

Targeted Solicitation

In a targeted solicitation, the representing investment banker takes the business out to a relatively small group of potential buyers. This group is generally made up of five or fewer buyers. In most cases, the buyers exclude many financial buyers like private equity groups, choosing instead to focus on qualified strategic buyers. In the case where a private equity group is “deep” in a given market segment, such a group may be included.

In a targeted solicitation, the sale generally moves much more quickly, confidentiality is more strictly maintained, but the lack of competition among buyers tends toward a lower valuation for the business.

The targeted approach is best suited for situations where the seller already has a strong relationship with one or more potential acquirers, where the business has highly sensitive customer data or regulated information that must remain closely held, or where the seller genuinely prefers a particular strategic outcome over the highest possible price. Speed and discretion are the primary advantages; competitive tension is the trade-off.

Limited Auction

The limited auction will yield a larger group of prospective and interested buyers. In this case, the group is typically limited to 20 to 40 potential suitors. In this case, there is a bit more exposure to financial buyers, but the net is still cast with a preference toward strategics. It is obviously a bit more difficult to maintain extremely strict confidentiality, but the potential for obtaining a higher price at the time of sale is bolstered by the broader buying audience.

A limited auction is the most common format for middle-market transactions in the range of $20 million to $100 million of enterprise value. It balances the competitive tension needed to push valuations higher against the real confidentiality risks that accompany broader market exposure. Sellers often worry that employees, customers, or competitors will learn of a potential transaction; a carefully managed limited auction allows the adviser to run a structured process with signed non-disclosure agreements before sharing any meaningful financial detail.

Broad Auction

The public/broad auction is the most likely scenario, particularly for middle-market companies looking to obtain liquidity. When businesses expand above the $100mm valuation threshold, the pool of buyers shrinks, and thus the auctions tend to lean toward more focused solicitations. The “long tail” in the middle market lends itself more toward the broad, public approach toward sell-side M&A.

Maintaining confidentiality, while more difficult here, is still possible through “blind outreach” coupled with the right confidentiality agreements in place. In a broad auction, the intermediary or investment banker will approach thousands of potential strategic and financial buyers. This approach lends itself to publishing in online, direct-investing sites, broad email outreach and many direct phone calls to potential buyers.

The built buyer-list is extensive and the negotiations from Indication of Interest (IOI) to Letter of Intent (LOI) through Purchase & Sale and close can be exhausting. The upside: the highest potential valuations are gleaned from the most broad auctions.

How Auction Format Affects Deal Outcomes

The selection of an auction format ripples through the entire transaction timeline. A broad auction might generate dozens of first-round bids, allowing the investment banker to set aggressive process milestones and establish clear bid deadlines that create urgency. A targeted solicitation, by contrast, requires more patience and relationship management because the banker cannot simply invoke competitive pressure from a crowded field.

Buyers in any format will conduct due diligence before finalizing their offers. The seller’s ability to respond quickly and credibly to diligence requests is a key differentiator — delays signal operational weakness and erode buyer confidence regardless of which auction structure is in use. Sellers who understand the three types of buyers interested in their business — strategic, financial, and management teams — can work with their banker to weight the outreach list accordingly.

The role of the sell-side adviser is also worth examining carefully. As explored in the related piece on whether a sell-side advisor is an extra expense or a critical team member, an experienced banker does more than curate a contact list — they manage information flow, frame the business narratively, control process timing, and serve as a buffer that keeps the seller out of direct negotiation until terms are substantially formed.

Preparing the Business for Any Auction

Regardless of the auction type chosen, sellers benefit from addressing a few operational realities before going to market. Financial records should be clean and consistently formatted for at least three years. Any contingent liabilities, pending litigation, customer concentration risk, or deferred capital expenditures will surface in diligence and depress bids; addressing them pre-process is almost always worth the effort.

Sellers should also evaluate whether a quality of earnings review makes sense before launching. Such a review, conducted by an independent accounting firm, validates the EBITDA figures the seller will represent in marketing materials and pre-empts the discovery of adjustments that could otherwise reopen price negotiations late in the process.

Our team has performed both extremely targeted and very broad auctions across a myriad of company sectors. Let’s discuss which option is right for your business.

Frequently Asked Questions

What is the difference between a limited auction and a broad auction in M&A?

A limited auction contacts 20 to 40 pre-screened buyers and balances competitive tension with confidentiality. A broad auction reaches hundreds or thousands of potential acquirers to maximize valuation at the cost of greater market exposure and a longer, more complex process.

Can a seller switch auction formats mid-process?

It is uncommon and generally inadvisable. Changing from a targeted to a broad auction mid-process signals that the initial outreach produced insufficient interest, which can reduce buyer confidence. A well-designed process begins with a deliberate format selection based on the seller’s specific objectives.

How does confidentiality work in a broad auction?

Blind outreach — contacting potential buyers without identifying the seller — is the standard first step. Interested parties then sign a non-disclosure agreement before receiving a confidential information memorandum or teaser. This layered approach preserves meaningful confidentiality even in a wide process.

Do financial buyers ever participate in targeted solicitations?

Yes, if a private equity group has a deep sector focus and is known to be actively acquisitive in the relevant market segment, a banker may include one or two financial sponsors in an otherwise strategic-focused targeted process. Their inclusion is a deliberate choice, not a default.