Due Diligence Guide · Commercial Insurance Brokerage

Due Diligence Guide: Acquiring a Commercial Insurance Brokerage

A structured framework for evaluating client retention, carrier access, key-person risk, and recurring revenue quality before closing your insurance agency acquisition.

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Commercial insurance brokerages offer some of the most defensible recurring revenue in the lower middle market, driven by annual policy renewals and sticky client relationships. However, acquisitions carry distinct risks: owner-dependent client books, non-transferable carrier appointments, undisclosed E&O exposure, and revenue concentration in a handful of large commercial accounts. This guide walks buyers through three due diligence phases to validate value before committing capital.

Commercial Insurance Brokerage Due Diligence Phases

01

Financial & Revenue Quality Review

Validate the recurring revenue model, normalize EBITDA for owner compensation, and assess commission stream stability across renewal cycles.

Commission Revenue Breakdown by Typecritical

Separate contingent commissions, direct commissions, and fee income across trailing 36 months. Contingent income from carrier profit-sharing can be volatile and should not anchor valuation.

EBITDA Normalization for Producer Compensationcritical

Identify whether the owner-producer's compensation reflects market-rate replacement cost. Under-compensated selling owners inflate EBITDA; buyers must recast with realistic producer salaries.

Revenue Concentration Report — Top 10 Accountscritical

Calculate top 10 client accounts as a percentage of total commissions. Concentration above 30% in a single account or 50% in the top five is a significant risk factor requiring earnout protection.

02

Client Retention & Book of Business Analysis

Assess historical client retention quality, account tenure, and the risk that relationships are personally held by the selling owner rather than institutionalized in the agency.

Trailing 36-Month Client Retention Rate by Accountcritical

Request policy-level retention data by account, premium volume, and commission revenue. Target agencies maintaining 85%+ retention annually; declining trends require explanation and earnout structuring.

Account Tenure and Multi-Line Relationship Depthimportant

Long-tenured accounts with multiple lines of coverage — property, liability, workers' comp — are significantly stickier. Single-line accounts renewing annually on price alone carry higher attrition risk.

Key-Person Dependency Assessmentcritical

Determine which accounts the owner personally services versus accounts managed by staff producers or account managers. Owner-only relationships may not survive a transition without structured retention agreements.

03

Operational, Legal & Carrier Access Review

Confirm transferability of carrier appointments, review E&O exposure, and validate staff and systems capable of servicing the book post-close.

Carrier Appointment Agreement Transferabilitycritical

Request all carrier appointment agreements and confirm whether appointments transfer by assignment or require re-application. Loss of key market access post-close can materially impair the book's value.

E&O Claims History and Tail Coverage Obligationscritical

Obtain full errors and omissions claims history for trailing 5 years including resolved matters. Confirm current coverage terms and negotiate tail coverage responsibility clearly in the purchase agreement.

Agency Management System Data Integrityimportant

Verify the agency runs a documented system — Applied Epic, AMS360, or HawkSoft — with clean policy, renewal, and client contact data. Undocumented books managed through personal contacts create post-close servicing risk.

Commercial Insurance Brokerage-Specific Due Diligence Items

  • Contingent commission agreements with preferred carriers should be reviewed separately — these profit-sharing arrangements can represent 10–20% of total revenue and may not transfer or renew under new ownership.
  • Producer non-solicitation agreements must be reviewed for enforceability in the applicable state; weak or missing clauses expose the buyer to losing key staff and their client relationships immediately post-close.
  • Confirm that the agency's state insurance licenses are current and that the acquiring entity or its designated licensees can assume operations without a lapse that triggers carrier appointment cancellations.
  • Specialty or niche industry books — construction, transportation, healthcare — command premium multiples and require buyer verification of the team's underwriting relationships and technical expertise in that vertical.
  • Regulatory compliance history including any Department of Insurance actions, market conduct exams, or licensing sanctions must be disclosed and reviewed; undisclosed actions can void representations and warranties coverage.

Frequently Asked Questions

What is a realistic valuation multiple for a commercial insurance brokerage under $5M revenue?

Most commercial insurance brokerages in the lower middle market trade at 5–9x EBITDA or 1.5–2.5x trailing commissions, depending on retention rates, diversification, staff depth, and carrier appointment quality.

How should buyers structure earnouts to protect against client attrition post-close?

Typical structures pay 70–80% at close with the remainder contingent on 12–24 month client retention measured by commission revenue, not just policy count, to account for premium changes at renewal.

Can an SBA 7(a) loan be used to finance an insurance brokerage acquisition?

Yes. Commercial insurance brokerages are SBA-eligible businesses. Buyers commonly combine SBA 7(a) financing with a seller note covering the gap between bank proceeds and purchase price, with the seller rolling 10–20% equity.

What happens to carrier appointments when an insurance agency changes ownership?

Carrier appointments do not automatically transfer. Buyers must review each appointment agreement individually — some allow assignment with notice, others require re-application and approval, which can take 30–90 days post-close.

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