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Defensible Valuation: SDE & EBITDA Multiples That Close Deals

May 28, 20268 min readDeal Pros Editorial
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SDE vs. EBITDA: The Fundamental Choice

Setting a defensible asking price is the first, most critical step in a successful sell-side engagement. The valuation metric you choose—Seller’s Discretionary Earnings (SDE) or Earnings Before Interest, Taxes, Depreciation, and Amortization (EBITDA)—frames the entire deal, dictates the likely buyer pool, and sets the tone for negotiations. This choice is not merely academic; it is a strategic decision.

When to Use Seller's Discretionary Earnings (SDE)

SDE is the go-to metric for most main street and smaller lower middle-market businesses, typically those with less than $5 million in annual revenue. It is calculated by taking net income and adding back interest, taxes, depreciation, amortization, one owner's full salary, and any non-essential personal expenses paid by the business.

SDE represents the total financial benefit available to a single owner-operator. Use SDE when the likely buyer is an individual, a husband-and-wife team, or a small private investor looking to acquire a job and a cash-flowing asset. The underlying assumption is that the buyer will personally run the business, replacing the seller.

A prime example is a local plumbing company with $2M in revenue and $400,000 in SDE. The buyer isn’t just acquiring assets and customer lists; they are acquiring the owner's role and its associated income potential.

When to Use Earnings Before Interest, Taxes, Depreciation, and Amortization (EBITDA)

EBITDA becomes the standard for larger, more established businesses, typically those with over $5 million in revenue and/or a professional management layer in place. It represents the company's operating profitability before non-operating expenses and non-cash charges.

Unlike SDE, EBITDA calculation assumes the owner's compensation is replaced by a market-rate salary for a general manager or CEO, which is treated as a normal operating expense. This reflects the reality that the buyer—usually a private equity group (PEG), strategic acquirer, or family office—is not buying a job. They are buying an institutional-grade asset with a scalable cash flow stream.

Consider a regional software provider with $12M in revenue and a full management team. Buyers will value it on an EBITDA basis because they will retain or replace the existing CEO, not step into the role themselves. Their return is based on the company's ability to generate cash independent of a specific owner.

Establishing a Defensible Multiple Range

Valuation multiples are not arbitrary figures. They are derived from transactional data and then adjusted for the specific risks and strengths of the business in question. Relying on reputable data sources like GF Data, PeerComps, ValuSource, or specific industry reports provides an objective foundation for your analysis. Presenting this data to a seller builds credibility and grounds their expectations in reality.

Remember, you are establishing a range to guide the process, not an immutable number etched in stone.

Baseline SDE Multiples by Industry

These are starting points. The final multiple lives or dies on the qualitative factors of the specific business.

  • Home Services (HVAC, Plumbing, Electrical): 2.75x - 4.0x SDE. Strengths include recession resistance and potential for recurring revenue through service contracts. Risks involve technician retention and regional economic dependence.
  • Manufacturing (Job Shop): 2.5x - 3.5x SDE. Often discounted due to high capital expenditure requirements, customer concentration, and cyclicality. A strong, diversified customer base and modern equipment can push it to the higher end.
  • Professional Services (e.g., Marketing Agency): 2.0x - 3.5x SDE. Valuations are sensitive to key-person risk and project-based revenue. Long-term retainers and a strong second-tier management team are significant value drivers.
  • Retail (Brick & Mortar): 2.0x - 3.0x SDE. Pressured by e-commerce competition. Businesses with a unique niche, strong local brand, and prime real estate (owned or with a favorable lease) command a premium.

Baseline EBITDA Multiples by Industry

For larger businesses valued on EBITDA, the buyer sophistication and deal scrutiny increase exponentially.

  • SaaS (B2B): 5.0x - 12.0x+ EBITDA. Multiples are heavily driven by the quality of revenue. Key metrics are Annual Recurring Revenue (ARR), growth rate, net revenue retention (NRR), and customer acquisition cost (CAC). This is a highly specialized sector where a standard multiple is almost meaningless without these supporting KPIs.
  • Distribution: 4.0x - 6.0x EBITDA. Value is found in supplier exclusivity, inventory management efficiency, and logistical infrastructure. Margin stability is paramount. A business that is simply a "me-too" distributor will trade at the low end.
  • Healthcare (e.g., Multi-location Dental or Physical Therapy): 6.0x - 9.0x EBITDA. High demand, non-discretionary spending, and strong margins are positives. Risks include reimbursement rate changes (from insurance/government) and regulatory compliance.
  • Commercial Construction: 4.5x - 6.5x EBITDA. A strong, bonded backlog of signed contracts is the single most important value driver. Customer concentration and cyclicality are the primary risks that a buyer will price in.

The Qualitative Adjustments That Drive Value

This is where an advisor moves from being a calculator to a strategist. The story behind the numbers, as told in the Confidential Information Memorandum (CIM) and supported by documents in the Virtual Data Room (VDR), is what convinces a buyer to pay a premium. Every claim must be backed by evidence.

Factors That Increase the Multiple (Premiums)

  • Strong Management Team: The business operates seamlessly without daily owner involvement. This is the ultimate de-risking factor and can add a full turn or more to the multiple. Show this with clear roles, responsibilities, and tenure in the CIM.
  • High Percentage of Recurring Revenue: More than 50% of revenue from contracts, subscriptions, or documented re-orders. This provides predictability and stability, which buyers pay for.
  • Customer Diversification: No single customer accounts for more than 10-15% of total revenue. This mitigates the risk of a catastrophic loss post-closing.
  • Clean and Auditable Financials: The books are impeccable and ready for a Quality of Earnings (QofE) report. This signals professionalism, reduces buyer friction, and shortens the due diligence timeline.
  • Documented and Defensible Moat: This could be proprietary technology (patents), exclusive supplier agreements, a dominant brand, or high customer switching costs.

Factors That Decrease the Multiple (Discounts)

  • High Owner Dependence: The business relies entirely on the owner's personal relationships, technical skills, or operational knowledge. A buyer will see this as a significant integration risk.
  • Customer Concentration: One client representing 30% or more of revenue is a massive red flag. The price will be discounted to reflect the risk of that client leaving after the transition.
  • Declining Revenue or Margins: The trend is the friend of the valuation. If financial performance is heading down, the multiple will follow unless there is a credible, evidence-based turnaround story.
  • Deferred Capital Expenditures: Outdated facilities, machinery, or technology represent an immediate cash outflow for the buyer. They will subtract this future investment from their offer price.
  • Sloppy Financials: Inconsistent or poorly documented financials create suspicion. Buyers will assume the worst and either walk away or submit a lowball Indication of Interest (IOI) to account for unknown risks.

Defending Your Valuation from Seller Meeting to LOI

A valuation is a living argument, not a static pronouncement. It is a negotiation tool that must be wielded with precision throughout the deal lifecycle.

The Initial Seller Meeting

Always present a valuation as a range, not a fixed point. For example: "Based on our analysis of the market and your company's specific attributes, we believe a strategic buyer would value your business in a 3.0x to 3.5x SDE multiple range. This results in an estimated enterprise value of $2.1M to $2.45M."

Then, walk the seller through the 'why.' Explain the qualitative factors that place them within that range and what could move them to the higher or lower end. This manages expectations and establishes you as a credible, data-driven advisor from the outset.

Justifying the Price in the CIM and Due Diligence

The CIM is your primary sales document. It must build a compelling, data-supported case for the valuation. The financial recast section must be flawless, with clear footnotes explaining every add-back. The narrative must highlight the strengths (recurring revenue, management team) while proactively addressing the weaknesses (customer concentration, capex needs).

Anticipate buyer scrutiny. During management presentations and Q&A sessions, refer back to the valuation framework. When an IOI comes in at the low end of the range, you can ask the buyer to specify which risks drove their discount. When multiple Letters of Intent (LOIs) land within your projected range, it provides the ultimate validation of your pricing strategy and creates the competitive tension needed to achieve the best outcome for your client.

Key takeaways

  • Use SDE for owner-operated businesses (typically <$5M revenue); use EBITDA for professionally managed companies with scale where the buyer is an investor, not an operator.
  • Baseline multiples are industry-specific starting points. Anchor your analysis in verifiable data from sources like GF Data or PeerComps to establish credibility.
  • Qualitative factors are what move the multiple. A strong management team, recurring revenue, and customer diversification command premiums, while owner dependence and poor financials lead to discounts.
  • A valuation is a defensible argument. Present it as a range in the initial seller meeting and use the CIM to build a data-driven case that withstands buyer scrutiny during due diligence.
  • Clean financials ready for a QofE review signal a high-quality asset. This reduces buyer friction, shortens deal timelines, and justifies a premium multiple.

A defensible valuation is the foundation of a successful transaction. The right process and tools ensure you can build that foundation effectively for every client. See how your current deal process measures up.

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