Due Diligence Guide · Auto Transport Brokerage

Due Diligence Guide: Buying an Auto Transport Brokerage

Know exactly what to verify before acquiring an asset-light vehicle shipping broker — from carrier network depth to FMCSA authority status and customer transferability.

Find Auto Transport Brokerage Acquisition Targets

Auto transport brokerages are attractive asset-light acquisitions, but thin margins and owner-dependent relationships create hidden risks. This guide helps buyers systematically verify carrier quality, customer concentration, regulatory standing, and technology infrastructure before closing.

Auto Transport Brokerage Due Diligence Phases

01

Phase 1: Financial & Revenue Verification

Validate the true earnings power of the business by analyzing revenue quality, margin consistency, and owner-related adjustments across at least three years of financials.

Reconstruct Seller's Discretionary Earningscritical

Request three years of tax returns, P&Ls, and bank statements. Identify and document all owner add-backs including salary, personal expenses, and one-time costs to arrive at normalized EBITDA.

Analyze Revenue Mix by Account Typecritical

Break revenue into retail consumer, auto dealer, fleet, and corporate relocation segments. Dealer and fleet accounts carry higher margins and better retention than one-time retail shipments.

Assess Seasonal Revenue Volatilityimportant

Map monthly revenue over 36 months to identify seasonal swings. Confirm whether the business has mitigated winter slowdowns through geographic diversification or dealer contract minimums.

02

Phase 2: Operations & Regulatory Compliance

Verify the business can operate legally and efficiently post-close by auditing FMCSA authority, surety bond status, carrier compliance records, and internal dispatch workflows.

Confirm FMCSA Broker Authority and Bond Statuscritical

Pull the broker's MC number on FMCSA's SAFER system. Confirm active broker authority, a current $75K surety bond via BMC-84 or trust fund via BMC-85, and no revocations or pending complaints.

Audit Carrier Network Compliance Documentationcritical

Review certificates of insurance, FMCSA operating authority, and carrier agreements for the top 50 carriers by load volume. Identify gaps where the owner holds relationships informally with no documentation.

Review Cargo Claims History and Resolution Recordsimportant

Request a three-year claims log including claim amounts, carrier responsible, and resolution outcomes. Excessive unresolved claims signal weak carrier vetting or poor contract enforcement.

03

Phase 3: Customer Relationships & Technology Stack

Determine whether revenue and relationships will survive ownership transition by examining customer contracts, CRM data integrity, and whether the TMS system is transferable and functional.

Conduct Customer Concentration Analysiscritical

Identify the top 10 customers by revenue percentage. Flag any single account exceeding 20% of revenue as a deal risk. Confirm whether relationships are with the owner personally or the business entity.

Evaluate TMS and Load Board Infrastructureimportant

Confirm whether the TMS is a licensed SaaS platform or custom-built. Verify login transferability, historical load data accessibility, and integrations with Central Dispatch, uShip, or proprietary boards.

Assess Transition Risk for Owner-Held Relationshipsimportant

Interview key dispatchers and identify which carrier and customer contacts exist only in the owner's phone. A structured transition plan of 6–12 months is essential if relationships are owner-dependent.

Auto Transport Brokerage-Specific Due Diligence Items

  • Verify the surety bond provider is financially solvent and the bond is renewable — a lapsed BMC-84 immediately suspends broker authority and kills revenue.
  • Request the carrier onboarding checklist to confirm the business vets carriers for FMCSA authority, cargo insurance minimums, and safety ratings before dispatching loads.
  • Confirm whether the business uses Central Dispatch or private dealer portals — proprietary dealer integrations are a competitive moat that increases retention and deal value.
  • Check for any FMCSA broker fraud complaints or double-brokering incidents in the claims history, as these can expose the acquirer to downstream carrier and shipper liability.
  • Identify whether the business holds preferred vendor agreements with dealership groups or auto auction companies — these written contracts significantly de-risk post-close revenue retention.

Frequently Asked Questions

What FMCSA documents should I request before buying an auto transport brokerage?

Request the MC number, proof of active broker authority from SAFER, current BMC-84 surety bond certificate, BMC-85 trust fund filings if applicable, and a three-year history of any FMCSA complaints or cargo claims.

How do I assess whether the carrier network will survive ownership transition?

Review documented carrier agreements, insurance certificates, and load history by carrier. If top carriers are managed solely through the owner's personal contacts with no CRM records, negotiate a structured transition and earnout tied to carrier retention.

What valuation multiple should I expect for an auto transport brokerage?

Well-documented brokerages with diversified customers and established carrier networks typically trade at 2.5x–4.5x EBITDA. Businesses with customer concentration, owner dependency, or thin margins below 10% trade at the lower end.

Is SBA financing available for acquiring an auto transport brokerage?

Yes. Auto transport brokerages are SBA 7(a) eligible as asset-light service businesses. Buyers typically put 10–15% equity down with the remainder financed through SBA debt, often supplemented by a 5–10% seller note for post-close alignment.

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