Lehman Scale Guide: Lehman Formula, Double Lehman and Modern Variations

Maxim Atanassov • June 5, 2026

Executive Summary: Lehman Scale Essentials

Most founders spend years building a company and less than a week understanding how they'll pay the people who sell it.

That's a mistake.

The Lehman Scale remains one of the most influential fee structures in Mergers and Acquisitions (M&A). Originally developed by Lehman Brothers in the late 1960s to standardize compensation for capital-raising work, the framework was later adopted across the deal-making world for calculating success fees: the compensation paid to advisors only when a transaction closes.

Today, versions of the Lehman Scale are used by:

Investment banks
Business brokers
M&A advisors
Corporate finance boutiques
Exit planning consultants

The scale exists for one reason: to align incentives.

If your advisor only gets paid when a deal closes, they're motivated to maximize transaction value and get the deal done.

For founders, family businesses and lower-middle-market companies, understanding the Lehman Formula can save tens, or even hundreds, of thousands of dollars in negotiation mistakes.

This guide is for founders, business owners, and advisors seeking to understand how the Lehman Scale and its modern variations impact transaction fees and negotiations.

What Is The Lehman Formula?

The Lehman Formula standardizes fees for investment banking transactions.

The Lehman Formula is a graduated commission structure used to calculate success fees in mergers, acquisitions, and business sales, using a sliding scale with a tiered structure.

The original formula was remarkably simple. It follows a 5-4-3-2-1 tiered structure:

Deal Value	Fee
First $1M	5%
Second $1M	4%
Third $1M	3%
Fourth $1M	2%
Fifth $1M	1%

This became known as the 5-4-3-2-1 Lehman Formula.

The first $1 million and the second $1 million are progressive brackets in the fee calculation, reflecting the idea that the earliest portion of the transaction value requires the greatest effort to secure, while each additional million requires proportionally less effort.

At the time, a $5 million transaction was considered substantial. Today, in many markets, that's barely a lower-middle-market deal.

That's why the formula evolved.

History: Lehman Brothers and The Original Scale

Lehman Brothers developed the formula in the late 1960s while raising capital for business clients. It standardized fees in an industry where institutional charges varied wildly, and it was soon adopted for business sales and M&A mandates. Back then:

Most privately held businesses sold for less than $5 million.
Information asymmetry was enormous.
Buyers were difficult to identify.
Financial data was largely manual.
Deal sourcing required extensive personal relationships.

The Lehman structure reflected the economics of that era. Inflation later pushed the market toward adjusted versions of the formula.

A banker might spend months finding a buyer for a small manufacturing company. The first million dollars justified a significant fee because the advisor's fixed effort was high regardless of transaction size.

Fast-forward sixty years:

Buyers are global.
Data rooms are digital.
AI can identify acquirers in minutes.
Market transparency is dramatically higher.

Yet the Lehman Formula survives because the incentive logic remains sound.

Transaction Types

Investment banking transactions vary widely, but the Lehman Formula primarily applies to mid-market companies in traditional sectors such as manufacturing, distribution, and established services. These deals usually involve clear assets, steady cash flows, and knowledgeable buyers, making the tiered fee structure practical and standard.

In contrast, selling startups, especially in high-growth tech or innovative fields, demands more effort, expertise and time. Startups often lack consistent financials, have uncertain valuations, and require more marketing and negotiation to find the right buyers. Traditional Lehman fees may not reflect this complexity, so advisors typically negotiate customized fees to cover the extra work, risk, and expertise needed.

How The Lehman Formula Works

There are three primary approaches used today:

1. Million Dollar Amount Method (MDA)

The MDA method applies each percentage to its specific transaction bracket, creating a tiered fee structure.

Step 1: Divide the transaction into $1 million brackets

For a $5 million deal using the original Lehman Formula:

5% on the first $1 million
4% on the second $1 million
3% on the third $1 million
2% on the fourth $1 million
1% on the fifth $1 million

Step 2: Calculate fees per bracket

For the $5 million deal:

5% of $1M = $50,000
4% of $1M = $40,000
3% of $1M = $30,000
2% of $1M = $20,000
1% of $1M = $10,000

The Double Lehman Formula doubles these percentages (e.g., 10% on the first million), reflecting inflation adjustments common in middle-market deals.

Step 3: Sum the fees

Total fee = $50,000 + $40,000 + $30,000 + $20,000 + $10,000 = $150,000

Effective Rate ≈ 3%

Notice the effective percentage decreases as deal size grows. This incentivizes closing larger transactions without penalizing scale.

Million Dollar Amount Examples And Calculators

$3M Sale

Metric	Amount
Enterprise Value	$3,000,000
Lehman Fee	$120,000
Seller Proceeds	$2,880,000

$5M Sale

Metric	Amount
Enterprise Value	$5,000,000
Lehman Fee	$150,000
Seller Proceeds	$4,850,000

$15M Sale (Modern Lehman)

Metric	Amount
Enterprise Value	$15,000,000
Fee	$400,000–$500,000
Net Proceeds	$14.5M–$14.6

The fee range reflects the Modern Lehman structure: $300,000 on the first $5 million (10-8-6-4-2), plus 1%–2% on the $10 million above the threshold. A negotiated rate above 2% on the excess would push the fee higher.

A practical calculator should factor in:

Enterprise value
Cash-free, debt-free adjustments
Earn-outs
Working capital adjustments
Retainers paid
Reimbursable expenses

Model your real proceeds before you sign anything. Future Ventures Corp. runs fixed-fee exit readiness diagnostics that model your transaction fees, tax friction, and working capital adjustments — so you know your true net number before an advisor ever sends an engagement letter. Book a diagnostic with Future Ventures →

2. Total Value Amount Method (TVA)

TVA simplifies calculations by applying a single negotiated percentage to the total enterprise value or the total deal value, depending on the engagement definition.

Instead of ladders and brackets:

Fee = Transaction Value × Agreed Percentage

Example:

Transaction Value = $5,000,000 Negotiated Fee = 4% Fee = $200,000

TVA is easier to administer but can produce significantly different economics than the traditional Lehman approach.

Many boutique advisors prefer TVA because it's easier for clients to understand and forecast.

3. Pertinent Value Amount Method (PVA)

PVA is common in larger transactions.

Instead of applying rates to all value, the advisor receives a percentage only on amounts exceeding certain thresholds, making it a higher performance incentive tied to creating incremental value. In practice, PVA is typically layered on top of a base success fee, with the premium rate applying only to value above the threshold. As with other performance-based pay structures in banking, poorly designed incentives can encourage short-term focus and draw greater regulatory scrutiny.

Example:

Transaction Value = $15M Base Threshold = $10M Premium Fee = 3% of excess value Excess Value = $5M Premium Fee = $150,000 (in addition to any base fee on the first $10M)

This structure is particularly useful when advisors are hired primarily to create incremental value rather than simply facilitate a transaction.

Think of it as performance-based compensation.

The advisor gets rewarded for pushing the deal beyond expectations.

Double Lehman, Double Lehman Formula and Double Lehman Scale

As transaction values increased, advisors discovered a problem.

The original Lehman Scale generated fees that were often too low.

Their solution?

Double everything.

The Double Lehman Formula became a variation of the original Lehman formula for middle market transactions.

In this version, 10% of the first million and 8% of the second million set the stepped percentages:

Deal Value	Fee
First $1M	10%
Second $1M	8%
Third $1M	6%
Fourth $1M	4%
Fifth $1M	2%

Simple.

That's how the Double Lehman formula works: take the original formula and multiply each percentage by two.

One important caution: terminology is not standardized across the industry. Some firms use "Double Lehman" and "Modern Lehman" interchangeably, while others define them as distinct schedules with different breakpoints. Never rely on the label. Always confirm the actual tier percentages and thresholds written into the engagement letter.

Why Brokers Use It

The answer is inflation.

A $5 million company in 1965 represented a significantly larger enterprise than a $5 million company today.

Double Lehman restores economics closer to the original purchasing power.

Example: $5 Million Transaction

Amount	Rate	Fee
First $1M	10%	$100,000
Second $1M	8%	$80,000
Third $1M	6%	$60,000
Fourth $1M	4%	$40,000
Fifth $1M	2%	$20,000

Total Fee = $300,000

Effective Rate = 6%

Notice the fee is exactly double the original Lehman calculation.

Modern Lehman Formula (Modern Lehman)

The Modern Lehman Formula is one of the versions most frequently seen today.

A common structure looks like this:

Amount	Rate
First $1M	10%
Second $1M	8%
Third $1M	6%
Fourth $1M	4%
Fifth $1M	2%
Above $5M	1%–2%

Some firms maintain a constant rate once a threshold is reached.

Example:

10%
8%
6%
4%
2%
2% thereafter

Others negotiate a flat rate above $10 million.

Compared to Double Lehman with a higher trailing rate, Modern Lehman often produces slightly lower fees on larger transactions while remaining attractive on smaller deals.

Beyond the Modern Lehman, several other fee structures are used in practice.

Other Variations

There is no universal standard.

Every engagement is often negotiated on a case-by-case basis.

Some engagements use flat fees instead of percentage ladders.

Common variants in sale transaction mandates and private placements include:

Triple Lehman

Typically used by smaller business brokers on lower-value, higher-touch transactions.

Reverse Lehman

The percentages run in the opposite direction: lower rates on the first dollars of value, and higher rates on value above a negotiated threshold.

Example:

1% on the first $5M
2% on the next $5M
4% on everything above $10M

From a seller's perspective, this is often the best-aligned structure available. The advisor earns disproportionately more by pushing the price higher, which directly rewards them for finding the strongest bidder rather than simply closing the deal.

Modified Lehman

Customized percentages and breakpoints negotiated between parties.

Flat Rate

Examples:

3% of transaction value
5% of transaction value

Hybrid Models

Monthly retainer
Reduced success fee
Minimum fee guarantee

For context, current market data suggests success fees on businesses selling under $5 million typically land in the 8%–12% range, deals between $5 million and $25 million tend to fall between 4% and 8%, and transactions above $25 million usually command 1%–3%. Treat these as approximate benchmarks, not rules.

The lesson?

Don't assume the advisor's first proposal is market.

Everything is negotiable.

Who Uses The Lehman Scale: Investment Banks And Business Brokers

The Lehman scale typically refers to the success-fee framework used by intermediaries in business sales, and scaled fee structures are commonly used by:

Lower-middle-market investment banks
Boutique M&A firms
Business brokerage firms
Exit-planning advisors
Corporate finance consultants

Generally, these firms present tiered fee models to potential clients during engagement discussions.

Use a Business Broker When

Business value is under $5M
Buyer universe is local
Transaction complexity is limited

Use a Boutique M&A Advisor When

Value falls between $5M and $10M
You need a structured process without bulge-bracket overhead
Sector expertise matters more than scale

Use an Investment Bank When

Value exceeds $10M
Strategic buyers matter
International acquirers are likely
Auction processes are beneficial

The wrong advisor can cost far more than their fee.

Negotiating Fees, Retainers and Payment Timing

Most founders and business owners negotiate valuation and forget fees.

That's backwards.

Three clauses deserve special attention if you want a real shot at successfully closing on acceptable economics.

Expense Caps

Pre-approve expenses above predetermined limits.

Example:

"Expenses exceeding $5,000 require written approval."

Earn-Out Treatment

Specify whether contingent payments trigger additional success fees.

This is frequently overlooked.

Payment Timing

Define whether fees are payable:

At closing
Upon receipt of proceeds
Over time for deferred payments

Never leave this ambiguous.

Don't negotiate your engagement letter alone. Future Ventures Corp's capital advisory team reviews M&A engagement letters for founders — fee base definitions, earn-out treatment, retainer credits, and tail provisions. One overlooked clause can cost more than our entire engagement. Talk to Future Ventures →

Expenses, Retainers and How The Lehman Formula Works With Costs

Retainers and success fees are separate concepts. Out-of-pocket costs and related expenses should be defined separately in the engagement letter.

Best Practice

Retainers should be credited against success fees.

Example:

Retainer Paid = $20,000 Success Fee = $150,000 Amount Due at Closing = $130,000

Also define:

Travel expenses
Data room costs
Marketing expenses
Legal support
Third-party reports

Any unusual third-party spend should be itemized and approved separately from the success fee, and the engagement letter should clarify whether such expenses are reimbursed or included.

Fee Base Definitions

Finally, clarify whether fees are calculated on:

Enterprise Value
Equity Value
Gross Proceeds
Net Proceeds

This matters more than most sellers realize. If the fee is based on Enterprise Value, outstanding debt reduces what you take home without reducing the advisor's fee. This single definition can move fees by hundreds of thousands of dollars.

Risks, Pros, Cons and Compliance

Advantages

Strong incentive alignment
Low upfront cash burden
Encourages transaction completion
Easy to model

Disadvantages

Advisor may prioritize closing over optimal structure
Potential conflict on earn-outs
Incentive to recommend lower-risk buyers
Complex fee calculations

Key Risks

A banker earning 5% of value might accept a lower price today rather than pursue a higher price six months from now. Alignment exists, but it's imperfect.

Applying The Lehman Scale To Wine Businesses

Imagine a family-owned winery valued at $12 million. Specialized advisors often use a business model in which most compensation depends on closing the deal and the valuation achieved.

Example

Sale Price: $12M Modern Lehman Fee (10-8-6-4-2, then 2% above $5M): $440,000 Legal Costs: $75,000 Accounting Costs: $30,000 Net Seller Proceeds: $11.455M

Many winery owners underestimate transaction friction costs.

Between taxes, fees, working-capital adjustments, and professional services, the difference between headline value and actual proceeds can be substantial.

For wine businesses specifically, valuation should consider:

Vineyard assets
Brand value
Inventory
Distribution relationships
Direct-to-consumer revenue
Tourism operations
Bulk wine inventory

This is where specialized advisory support becomes valuable. Generalist brokers often understand EBITDA. Wine businesses require an understanding of both EBITDA and agricultural assets.

Future Ventures Corp advises wine and hospitality businesses on valuation, exit preparation, and transaction structuring — combining CPA-grade financial rigour with operator-level knowledge of the wine industry through its Vinerra and Vino Al Vino brands. Explore wine business advisory →

Practical Deliverables: Clauses, Tables and Templates

Sample Engagement Clause

Advisor shall receive a success fee calculated under the Modern Lehman Formula based upon enterprise value received by Seller at closing. Any monthly retainers previously paid shall be credited against the success fee.

Fee Comparison Table

Deal Value	Original Lehman	Double Lehman	Flat 5%
$3M	$120,000	$240,000	$150,000
$5M	$150,000	$300,000	$250,000
$10M	$200,000*	$400,000*	$500,000

*Assumes the final tier rate (1% Original, 2% Double) applies to all value above $5M.

Note: Under the Double Lehman approach, bracketed percentages produce higher fees on smaller deals than many flat-rate alternatives. The original 5-4-3-2-1 schedule, by contrast, typically undercuts a flat 5% on deals of this size.

Negotiation Email Template

Thank you for the engagement proposal. Before proceeding, we'd like to clarify three items: (1) treatment of earn-out proceeds, (2) reimbursement limits for out-of-pocket expenses, and (3) whether the retainer is fully credited against any success fee payable at closing. Once these points are finalized, we should be in a position to move forward.