Skip to content

How to Verify Common Seller Add-Backs

How to Verify Common Seller Add-Backs
           

In most SMB transactions, valuation is based on a multiple of EBITDA. That makes add-backs highly consequential, as they directly impact enterprise value.

Add-backs are not merely expenses the seller proposes to remove; they are assertions about sustainable earning power. When accepted without scrutiny, they can materially distort EBITDA. When properly supported, they help normalize performance and clarify the true economic profile of the business.

The objective is not to reject add-backs reflexively, but to determine whether they are economically defensible when presented to lenders and an investment committee.

Below is a practical framework for evaluating the most common categories.

Owner Compensation & Owner-Related Costs

In owner-operated businesses, compensation is often adjusted to reflect a market-based replacement structure. Owner pay may be above or below market, and normalization can result in either a positive or negative adjustment to reported EBITDA.

Other owner-related costs may include:

  • Family members on payroll
  • Owner benefits and retirement contributions
  • Personal vehicles or expenses flowing through the business

Verification requires more than reviewing payroll detail. Buyers should:

  • Review total compensation (salary, bonuses, benefits, payroll taxes).
  • Understand the owner’s functional responsibilities.
  • Define the post-close management structure.
  • Benchmark replacement cost using credible data.

The key question: What would it cost to operate this business without the current owner?

 

profile

Contributors
Patrick O'Connell

Transaction Advisory Services

Managing Director

O'Connell Advisory Group LLC

 

One-Time or Non-Recurring Expenses

Legal settlements, consulting engagements, relocation costs, or unusual repairs are often presented as non-recurring.

A defensible adjustment requires:

  • Transaction-level documentation.
  • Clear explanation of the underlying event.
  • A multi-year review to confirm the expense is truly one-time.

If similar costs appear consistently, they are part of the operating model. The burden of proof lies with the seller.

Related-Party Transactions

SMBs frequently transact with entities affiliated with the seller, particularly for real estate or administrative services.

Normalization requires:

  • Review of formal agreements.
  • Evidence of actual payments and services provided.
  • Arm’s-length benchmarking (rent comparables, appraisals, or standalone cost build-ups).

Note: If the seller owns the real estate and it is not included in the transaction, a long-term lease agreement should be negotiated to reduce post-close risk.

 

Watch the Full Webinar

You can find this and other content on my YouTube channel, including shorts, long-form videos, and guest discussions focused on buying small businesses and improving operations.

If you want to reach out on LinkedIn or X, share feedback, or suggest topics, feedback is a gift.

 

Discretionary or Personal Expenses

Owner-operated businesses often include expenses that are partially or fully personal. Travel, meals, vehicles, and memberships qualify as add-backs only if:

  • They are clearly not required to operate the business.
  • They can be eliminated immediately without operational impact.
  • They are supported by transaction-level documentation.

If removing the expense would impair revenue generation or operational continuity, it is not discretionary.

Non-Operating & Extraordinary Items

Items unrelated to core operations such as gains on asset sales or unusual one-off events may warrant exclusion.

Verification requires:

  • Clear GL mapping and accounting support.
  • Documentation of the underlying transaction.
  • Consistent treatment of gains and losses (both should be excluded). Selective adjustments distort normalized earnings.

Pro Forma & Run-Rate Adjustments

Projected savings and anticipated improvements are the most aggressive form of add-back.

Cost reductions or revenue increases should only be considered if supported by executed agreements or concrete implementation steps. Otherwise, they represent forward-looking assumptions and should be evaluated separately from historical normalization.

Bottom Line

An add-back is defensible if it satisfies three conditions:

  • It is fully supported by documentation.
  • It reflects the sustainable post-close cost structure.
  • It can realistically be implemented.

If any of these are unclear, the adjustment should be discussed further with the seller.

Practical Tip: Focus attention on high-dollar adjustments. Avoid over-analyzing immaterial items, as unnecessary friction during negotiations can erode goodwill without materially improving valuation accuracy.

 

Complete the form to receive an email with our Excel toolkit of common seller add-backs and the documentation required to support them. 

 

profile

Contributors
Patrick O'Connell

Transaction Advisory Services

Managing Director

O'Connell Advisory Group LLC