• Buying a Business
  • For buyers
  • 13 min read

Buy-Side Business Broker: How Retained Acquisition Search Actually Works

By Sam Rubenstein, Managing Partner, SMB Exit Partners Published Updated

If you know what kind of business you want to acquire but are struggling to find enough good opportunities, you can hire a firm to run the search for you.

A buy-side business broker or acquisition search firm represents the buyer rather than the seller. In a retained search, the firm defines the acquisition mandate with you, identifies businesses that fit, finds and approaches owners directly, manages follow-up, qualifies interest, and helps advance viable opportunities toward a transaction.

That can be particularly useful when the business you want is unlikely to already be listed for sale.

It is not the right solution for every buyer.

If your acquisition criteria are still changing every week, you have not determined what you can realistically finance, or you are only casually exploring the idea of buying a business, paying someone to run a search may be premature.

A retained acquisition search works best when the buyer already knows what a good acquisition looks like and the bottleneck is finding enough of them.

What Is a Buy-Side Business Broker?

Most business brokers are hired by business owners who want to sell.

A buy-side business broker works from the opposite side of the transaction.

The client is the buyer.

Depending on the engagement, the work can include:

  • defining the acquisition criteria;
  • mapping the relevant market;
  • researching private companies;
  • identifying owners and decision-makers;
  • approaching owners directly;
  • reviewing businesses already on the market;
  • managing follow-up;
  • qualifying seller interest;
  • reviewing initial financial information;
  • helping prepare offers or letters of intent;
  • coordinating diligence and transaction work through closing.

There is an important distinction within that definition.

Some buy-side professionals become involved only after a buyer has already found a company.

Others are hired specifically to find the company in the first place.

If your problem is deal flow, the second model is what matters.

That is what we mean in this article by retained acquisition search.

Retained Search vs. Waiting for Businesses to Come to Market

There are plenty of good ways to find businesses for sale.

Buyers can monitor marketplaces, build relationships with sell-side brokers, speak with lenders and attorneys, attend industry events, use their personal networks, and contact owners themselves.

Those channels should not necessarily disappear just because you hire someone.

The limitation is that they start with the businesses that happen to become available.

A retained search can start with a different question:

What businesses would we actually want to own?

From there, the search firm can identify businesses that fit the thesis whether or not the owner has publicly indicated an intention to sell.

That expands the opportunity set.

It does not mean an off-market business is automatically better, cheaper or easier to acquire.

It simply means the buyer is no longer restricting the search to companies that are already being marketed.

For a narrowly defined acquisition strategy, that distinction can be meaningful.

It is easy to associate proprietary deal sourcing with private equity.

In practice, several types of buyers can have the same problem.

Individual buyers

An individual may have the capital, operating experience and financing capacity to acquire a business but lack the infrastructure to identify and contact hundreds of potential targets.

This is particularly relevant for buyers who know the type of company they want rather than simply wanting to browse whatever happens to be listed.

Existing business owners

A business owner may want to acquire:

  • a competitor;
  • a company in a neighboring geography;
  • a complementary service line;
  • a new customer base;
  • additional technicians or employees;
  • a product capability;
  • recurring contracts;
  • distribution;
  • or greater scale.

Strategic buyers often have extremely specific reasons for wanting an acquisition.

That specificity can make direct sourcing particularly useful.

Searchers and small investment groups

Search funds, self-funded searchers, independent sponsors and small acquisition groups often need a repeatable process for finding privately held companies that meet defined financial and operational criteria.

Family offices and holding companies

Long-term investors may be looking for founder- or family-owned businesses fitting a relatively narrow investment strategy.

Private equity firms

Private equity firms may use external sourcing for new platforms, add-on acquisitions or industry-specific campaigns where internal coverage is limited.

The sophistication of these buyers varies considerably.

The common denominator is simpler:

They know what they want to acquire and need more ways to find it.

The Search Should Start With the Mandate, Not the Target List

A common mistake is beginning research before the acquisition thesis is specific enough.

“Find me a good business.”

“B2B services.”

“Manufacturing companies in the Northeast.”

Those descriptions may be useful starting points, but they usually are not sufficient acquisition mandates.

A search becomes much more effective when the buyer can define what actually makes one company more attractive than another.

That might include:

  • industry and subsector;
  • geography;
  • revenue;
  • EBITDA or SDE;
  • recurring or contracted revenue;
  • customer concentration;
  • end markets;
  • owner involvement;
  • management depth;
  • capital expenditure requirements;
  • service mix;
  • margin profile;
  • growth characteristics;
  • acquisition structure;
  • and the amount of capital the buyer can realistically deploy.

For example:

Too broad:
“Commercial services businesses in the Midwest.”

More useful:
“Founder-owned commercial fire-protection service companies in the Midwest with meaningful recurring inspection and service revenue, limited new-construction exposure, $1 million to $10 million of revenue, and an owner who could transition out after a reasonable handover period.”

The second mandate gives the research team something it can actually use to make decisions.

Does this company belong in the search?

Does it not?

Should it be prioritized?

Should it be excluded?

Without that clarity, the target list can become enormous while the actual acquisition pipeline remains weak.

What Should a Retained Acquisition Search Actually Produce?

A spreadsheet is not a search.

Company names are relatively easy to find.

The value is in turning a market into an organized pipeline of businesses that the buyer would genuinely consider acquiring.

A strong process usually looks something like this:

1. Define the mandate

Agree on what the buyer wants, what the buyer does not want, and which characteristics matter most.

2. Map the market

Identify the relevant universe of companies, including businesses that are not publicly marketed for sale.

3. Research the targets

Understand what each company does, apparent size, ownership, geography and likely strategic fit.

4. Prioritize

Not every technically eligible company deserves the same amount of attention.

The strongest targets should receive deeper research and more thoughtful outreach.

5. Identify the owner

For small and lower-middle-market businesses, reaching the right person matters.

A generic corporate inbox is not equivalent to identifying the founder or controlling owner.

6. Conduct outreach

Approach owners through the channels appropriate to the mandate.

That may include email, telephone, LinkedIn, mailed correspondence, warm introductions or a combination.

7. Follow up

Many potential transactions do not begin with an immediate “yes.”

Owners are busy. Timing changes. Situations evolve.

Professional follow-up is part of the process.

8. Qualify interest

A response is not automatically a deal.

The search firm should determine whether the owner has credible interest in exploring a transaction and whether the company appears to meet the buyer's criteria.

9. Advance real opportunities

Qualified situations can move into management conversations, financial review, valuation, offers, letters of intent, diligence and ultimately closing.

A retained search should become increasingly selective as it progresses.

The objective is not to generate the largest spreadsheet.

It is to create a smaller number of conversations that are actually worth the buyer's time.

How a retained acquisition search progresses

  1. 01Mandate Agree what a good acquisition looks like.
  2. 02Market Map Identify the relevant universe of companies.
  3. 03Research Understand fit, size and ownership.
  4. 04Prioritize Focus effort on the strongest targets.
  5. 05Owner Outreach Approach owners directly.
  6. 06Qualified Conversation Confirm credible interest and fit.
  7. 07Transaction Advance toward LOI, diligence and closing.

Target Count Is a Bad Way to Judge Search Quality

One sourcing firm may give you 2,500 company names.

Another may identify 225 businesses.

The first number looks more impressive.

It tells you almost nothing about the quality of the search.

A useful target universe requires judgment.

Does the business actually provide the service the buyer wants?

Is it independently owned?

Is it too small?

Too large?

Already acquired?

Backed by private equity?

Primarily residential when the buyer wants commercial customers?

Dependent on project revenue when the mandate calls for recurring service?

Operating in the wrong end markets?

A target should be in the search because there is a reason the buyer could want to own it.

Research that eliminates bad targets is valuable work.

Off-Market Does Not Mean Undervalued

This is one of the most important misconceptions in acquisition sourcing.

An off-market company is not automatically a bargain.

In fact, an owner who was not planning to sell may require a very attractive offer before considering a transaction at all.

There may also be no competitive sale process forcing a timetable.

The value of off-market sourcing is therefore not that every proprietary deal will be cheaper.

The value is access.

You can create conversations with owners who would otherwise never appear in your pipeline.

That matters most when the number of businesses fitting your mandate is already limited.

Why Owner Outreach Is Usually Harder Than Finding the Companies

Company databases have made target identification easier.

Convincing the owner of a good private business to engage is a different problem.

Attractive owners may receive messages from private equity firms, searchers, competitors, brokers and automated sourcing platforms.

A generic email saying “we are interested in acquiring businesses in your industry” does not necessarily create a meaningful conversation.

Good outreach should answer the questions an owner is likely to have immediately:

Who are you?

Why are you contacting my company specifically?

Are you an actual buyer?

What are you looking for?

Will this remain confidential?

Why should I spend time speaking with you?

The approach also needs to match the buyer.

An individual planning to personally operate one business should not necessarily sound like a private equity fund.

A strategic acquirer should be able to explain why the combination could make sense.

A family office holding companies permanently may have a different message again.

This is one reason we do not view acquisition sourcing as a pure data exercise.

Response Rate Is Not the Goal

It is tempting to judge outreach by the percentage of owners who respond.

That can produce the wrong incentives.

An exaggerated or vague message may generate replies without producing good acquisition opportunities.

Conversely, one conversation with the right owner can be more valuable than fifty responses from companies the buyer would never acquire.

A better question is:

Are we generating credible conversations with owners of businesses we would actually want to buy?

That is much closer to the purpose of the search.

How Much Does a Buy-Side Business Broker Cost?

There is no universal fee model.

Pricing can depend on the scope of the mandate, geography, number of targets, amount of research required, expected transaction size and how much work the firm performs after an opportunity is identified.

Common structures can include:

  • a monthly retainer;
  • an upfront project fee;
  • a success or transaction fee at closing;
  • or a combination of those approaches.

The economics matter, but buyers should look at the whole structure rather than focusing on one headline percentage.

Questions worth asking include:

  • How much is the monthly retainer?
  • Is there a minimum engagement period?
  • What work is included?
  • Is any retainer credited against the closing fee?
  • How is the transaction fee calculated?
  • Is there a minimum transaction fee?
  • How are companies the buyer already knows treated?
  • Is there a tail period after the engagement ends?
  • Who pays outside expenses?
  • What happens if the buyer acquires a company sourced through another channel?

Those details should be clear before work begins.

How SMB Exit Partners Structures Retained Buy-Side Fees

At SMB Exit Partners, our retained buy-side searches generally use two components:

a monthly retainer while the search is active, and a transaction fee if an acquisition closes.

We credit 100% of the monthly retainers paid against the transaction fee.

The specific retainer and transaction fee depend on the mandate and are established before an engagement begins.

We like this structure because there are two realities in a serious acquisition search.

First, substantial work happens before a transaction exists.

Researching a market, building the target universe, identifying owners, conducting outreach, following up and managing the pipeline all require time whether a deal ultimately closes or not.

Second, we believe meaningful compensation should remain tied to completing an acquisition.

The monthly retainer supports the ongoing search.

The transaction fee creates the closing incentive.

And because the retainer is fully credited against that fee, the buyer is not simply stacking months of retained fees on top of the full closing economics.

That structure does not make every mandate worth pursuing.

The more important question remains whether a retained search is likely to create enough value for the buyer.

When Is a Retained Acquisition Search Worth Paying For?

Retained search tends to make the most sense when several things are true.

You have a defined thesis

You can explain what you want to acquire and why.

You can actually complete a transaction

There is a realistic financing and equity plan behind the search.

The target universe is identifiable

There are businesses that can be systematically researched.

Proprietary outreach could materially expand your pipeline

You do not want to rely solely on businesses that are already listed.

Your time has a meaningful opportunity cost

Researching hundreds of companies, locating owners and managing repeated outreach may not be the best use of your time.

You intend to evaluate opportunities seriously

The objective is an acquisition, not indefinite market research.

When those conditions exist, retained search can solve a real problem rather than merely outsource busywork.

When Should You Not Hire a Buy-Side Broker?

There are also situations where we would not recommend it.

You are still deciding whether you want to buy a business

Learn first.

Speak with lenders, operators, attorneys, accountants and business owners. Review businesses for sale. Understand what you actually like.

Your criteria change constantly

The search will follow the mandate you give it.

If the mandate changes every few days, the first priority should be refining the thesis.

You do not know what you can afford

A search targeting businesses you cannot finance is not productive.

You already have the target

If a specific company is already in discussions with you, you may need transaction support rather than a sourcing mandate.

You already have a capable sourcing team

There is nothing inherently superior about outsourcing a process your organization already executes well internally.

A retained search should solve a genuine constraint.

If it does not, you probably should not pay for one.

Existing Business Owners Should Think About Search Differently

An entrepreneur looking to acquire one company and an existing CEO pursuing an acquisition are not always solving the same problem.

For an existing operator, the first question should often be:

What would make our current business materially better?

Maybe you need a geographic foothold.

Maybe customers are asking for a service you do not currently provide.

Maybe you have substantial overhead capacity and could absorb another company's revenue.

Maybe acquiring an existing employee base is more attractive than trying to recruit one person at a time.

Maybe a particular competitor has contracts, licenses, equipment or customer relationships that would be difficult to replicate organically.

Those strategic reasons can produce a much better acquisition mandate than simply deciding to “do M&A.”

The search can then be built backward from the operational objective.

Individual buyers face a different challenge.

Many begin with broad criteria because they do not yet know which industries they will like.

That is normal.

But broad exploration and retained search are not always the same phase of the process.

Before paying someone to source companies, an individual buyer should generally have a reasonable view of:

  • industries or business models that are attractive;
  • geographic flexibility;
  • minimum income or cash-flow requirements;
  • amount of personal equity available;
  • financing strategy;
  • desired owner involvement;
  • industries or situations that are unacceptable;
  • and the kind of business the buyer is qualified to operate.

The mandate can evolve.

It just should not be directionless.

What Should You Ask Before Hiring an Acquisition Search Firm?

The best diligence questions are operational.

Ask:

Who will actually work on my search?

Who builds the target universe?

How do you determine whether a company belongs on it?

How do you find the owner?

Who writes and sends the outreach?

Is outreach personalized?

Do you call owners or primarily send email?

How many times do you follow up?

How do you handle an owner who says “not now”?

How do you define a qualified opportunity?

Will I see the target list?

Do I own the research you create for my mandate?

How often will I receive pipeline reporting?

What happens after an owner expresses interest?

Do you stay involved through LOI, diligence and closing?

How are fees calculated?

What happens to previously known targets?

A credible provider should be able to answer those questions clearly.

Can I Run an Acquisition Search Myself?

Absolutely.

Buyers source acquisitions themselves every day.

You can define the mandate, build the target universe, identify owners, conduct outreach, develop relationships with brokers, monitor marketplaces, ask for introductions and maintain a pipeline internally.

For buyers who have the time and infrastructure to do that well, it may be the right approach.

We have written a separate step-by-step guide to doing exactly that:

How to Find Businesses to Buy: A Practical Guide to Acquisition Sourcing

The purpose of retained search is not to convince buyers that they are incapable of sourcing acquisitions themselves.

It is to solve the problem when sourcing is consuming too much time, producing too little relevant deal flow, or requiring infrastructure the buyer does not want to build internally.

What Does SMB Exit Partners Do for Buy-Side Clients?

SMB Exit Partners takes on a limited number of retained acquisition searches for buyers with defined criteria.

Clients can include individual operators, existing business owners, searchers, investment groups, family offices, strategic acquirers and institutional buyers.

The process begins with the mandate.

We work with the buyer to understand what would actually make a company attractive, then build and research the relevant target universe.

From there we:

  • identify and prioritize targets;
  • research ownership;
  • approach owners confidentially;
  • manage follow-up;
  • qualify initial interest;
  • coordinate initial conversations;
  • review opportunities as they develop;
  • and stay involved through the transaction process when appropriate.

Our searches are partner-led.

We also deliberately limit the number of active mandates we take on at once.

If we do not believe the thesis is sufficiently defined, the target universe is workable, or we can add enough value to justify our fees, we would rather say that before an engagement begins.

The Bottom Line

Hiring a buy-side business broker makes sense when finding good acquisition targets has become the bottleneck.

It does not eliminate the need for judgment.

It does not turn every off-market company into a deal.

And it does not guarantee that an owner will sell.

What a good retained search can do is systematically expand the universe of businesses you are able to evaluate.

Instead of asking only:

“What businesses are for sale?”

you can ask:

“What businesses would we actually want to own?”

Then go find them.

For buyers

Looking for a Business to Acquire?

If you already have a defined acquisition thesis, we can tell you whether it is specific enough to run and whether a retained search is likely to make sense.

SMB Exit Partners works with a limited number of buyers on partner-led retained searches. We build the target universe, approach owners directly, qualify opportunities and help move credible situations toward a transaction.

Our buy-side engagements use a monthly retainer and transaction fee, with 100% of the monthly retainer credited against the transaction fee if an acquisition closes.

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