Deal Structure Guide · Security Services

How to Structure the Acquisition of a Security Services Company

From SBA-financed buyouts to equity recaps with earnouts, understand the deal structures that close in the private security sector — and how contract quality, license transferability, and workforce stability shape every term.

Acquiring a private security services company involves navigating a labor-intensive, contract-driven business where deal structure is inseparable from operational risk. Unlike asset-light acquisitions, security firm deals require buyers to address contract assignability, state licensing transfer, workers' compensation tail coverage, and employee retention — all of which directly influence how purchase price is paid, how risk is allocated between buyer and seller, and how long a seller remains involved post-close. In the lower middle market ($1M–$5M revenue), security companies typically trade at 3.5x–6x EBITDA, with valuation clustering around contract quality, customer concentration, and the strength of middle management. The most common structures in this sector include SBA 7(a) financed full buyouts with seller notes, full acquisitions with transition consulting agreements, and equity recapitalizations where the seller retains a minority stake under a PE sponsor. Each structure reflects the realities of a 24/7 operational business where day-one continuity — of guard deployments, client relationships, and licensing — is non-negotiable.

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SBA 7(a) Financed Full Acquisition with Seller Note

The most common structure for first-time buyers and search fund operators acquiring security companies under $5M in revenue. The buyer injects 10–20% equity, the SBA 7(a) loan covers 70–80% of the purchase price (up to $5M), and the seller carries a note representing 10–20% of the deal — which is often required by SBA lenders to demonstrate seller confidence in the transition. The seller typically signs a 6–12 month consulting agreement to support license transfers, client introductions, and workforce continuity.

SBA loan: 70–80% | Buyer equity: 10–15% | Seller note: 10–15%

Pros

  • Maximizes buyer leverage with low equity injection, preserving working capital for operational needs like payroll and insurance deposits
  • Seller note signals alignment and reduces lender risk, improving SBA approval odds for service businesses with intangible asset bases
  • Fixed SBA repayment schedule provides predictable debt service against recurring contract revenue

Cons

  • SBA lenders require strong personal credit, clean business financials, and often a personal guarantee — creating significant buyer exposure if contract renewals falter post-close
  • Seller note may include standby provisions during the SBA loan term, limiting seller's access to deferred proceeds
  • Licensing transfer timelines in states with strict guard agency regulations can delay close and complicate SBA funding disbursement

Best for: Entrepreneurial buyers with law enforcement or military backgrounds acquiring their first security firm, or operators purchasing a retiring owner's established regional patrol or guarding business with clean financials and diversified contracts.

Full Acquisition with Seller Note and Transition Consulting Agreement

A conventional buyout where the buyer (often a strategic acquirer or regional security company) pays a significant portion of the purchase price at close in cash, with the seller carrying a subordinated note of 10–20%. The seller remains engaged under a paid consulting agreement for 6–12 months to manage client relationship handoffs, supervise guard supervisors, and support licensing transitions. No SBA financing is involved — the buyer funds the acquisition through a combination of equity and senior bank debt.

Cash at close (equity + senior debt): 80–90% | Seller note: 10–20%

Pros

  • Seller note creates natural alignment: seller is motivated to support client retention and workforce stability to protect deferred proceeds
  • Consulting agreement provides structured knowledge transfer covering dispatch protocols, client escalation procedures, and key account relationships
  • Avoids SBA restrictions on deal terms, giving both parties more flexibility in structuring earnout provisions or equity rollovers

Cons

  • Requires significantly more buyer equity or institutional financing compared to SBA-backed deals, limiting accessibility for individual operators
  • Seller note subordination to senior debt can create friction if business cash flow deteriorates following ownership transition
  • Consulting period must be carefully scoped — vague agreements create dependency risk and ambiguity about seller authority post-close

Best for: Regional or national security companies making bolt-on acquisitions for geographic expansion, or experienced operators with existing security operations who can absorb a target's workforce and contracts into an established platform.

Equity Recapitalization with PE Sponsor and Seller Earnout

A private equity sponsor acquires a majority stake (typically 60–80%) in a security firm, with the seller retaining 20–40% equity and rolling proceeds into the new entity. The seller continues as an operating partner or CEO and participates in an earnout tied to contract retention rates and EBITDA growth over 2–4 years. This structure is most common when a PE firm is building a platform through add-on acquisitions and wants the founder's operational expertise, client relationships, and local market reputation to anchor the combined entity.

PE equity (cash at close): 60–80% | Seller rollover equity: 20–40% | Earnout: 10–20% of total deal value tied to contract retention and EBITDA targets

Pros

  • Seller achieves immediate partial liquidity while retaining upside in a professionally managed, better-capitalized business
  • Earnout aligns seller incentives with post-close performance, specifically contract retention and margin improvement — the metrics that drive security company value
  • PE platform provides access to centralized HR, technology infrastructure, and compliance resources that reduce the operational burden on the founding operator

Cons

  • Earnout tied to contract retention introduces risk if a major client terminates or rebids post-close, potentially through no fault of the seller
  • Sellers relinquish majority control and must adapt to institutional governance, reporting requirements, and investor timelines
  • Rollover equity is illiquid until the PE firm's exit, typically 4–7 years, making this structure unsuitable for sellers seeking full immediate liquidity

Best for: Founder-operators aged 50–65 with strong client relationships and a capable management team who want to monetize a significant portion of their equity now while participating in a larger platform exit in 4–7 years under a PE sponsor.

Sample Deal Structures

SBA Buyout of a Retiring Owner's Regional Patrol Company

$2,800,000

SBA 7(a) loan: $2,100,000 (75%) | Buyer equity injection: $420,000 (15%) | Seller note (on standby 24 months): $280,000 (10%)

10-year SBA loan at prime + 2.75%; seller note at 6% interest with 24-month standby period per SBA requirements, then 36-month repayment; seller signs 9-month paid consulting agreement at $8,500/month covering guard supervisor management, client relationship introductions, and state licensing transfer support; personal guarantee required from buyer on full SBA loan amount.

Strategic Bolt-On Acquisition by Regional Security Company

$4,200,000

Cash at close (acquirer equity + senior credit facility): $3,570,000 (85%) | Seller subordinated note: $630,000 (15%)

Seller note at 7% interest over 4 years, subordinated to senior credit facility; 12-month transition consulting agreement at $10,000/month with performance bonus tied to retention of top 5 client contracts through month 12; contract assignment consents required from clients representing 80%+ of revenue as a closing condition; workers' comp tail coverage purchased by seller for 24 months post-close.

PE Platform Equity Recapitalization with Earnout

$6,500,000 total enterprise value

PE sponsor cash at close for majority stake (70%): $4,550,000 | Seller rollover equity (30% of new entity): $1,950,000 implied value | Performance earnout: up to $900,000 over 3 years

Earnout structured as $300,000 annually for years 1–3, payable if annual contract retention rate exceeds 90% and EBITDA grows at minimum 8% year-over-year; seller remains as President with market-rate salary of $180,000/year; rollover equity subject to tag-along rights on PE exit; PE firm targets 3–5 add-on acquisitions within 36 months to build regional platform prior to strategic sale.

Negotiation Tips for Security Services Deals

  • 1Tie seller note repayment and earnout triggers explicitly to contract retention rates — in security services, a single lost anchor client can shift deal economics significantly, and both parties need clear thresholds that reflect this revenue concentration risk.
  • 2Require contract assignability audits as a pre-LOI deliverable, not a post-LOI condition. Security service agreements often contain change-of-control clauses requiring client consent, and discovering late-stage assignment restrictions can derail SBA lender approval and close timelines.
  • 3Negotiate a minimum 90-day overlap period between the seller's active operational role and the buyer's assumption of scheduling, dispatch, and incident response management — security firms run 24/7 and transition gaps create immediate service failures that damage client relationships.
  • 4Push for state licensing transfer timelines to be mapped explicitly in the purchase agreement, with closing conditions structured around regulatory confirmation rather than calendar dates — some jurisdictions require 60–120 days to transfer guard agency licenses, and SBA lenders need clarity on this risk.
  • 5Structure workers' compensation tail coverage obligations clearly: request that the seller maintain tail coverage for a minimum of 24 months post-close for incidents arising during their period of ownership, given the elevated liability exposure from use-of-force claims and on-the-job injuries in guard operations.
  • 6When negotiating earnouts tied to EBITDA, define the treatment of integration costs, rebranding expenses, and technology upgrades separately — PE buyers frequently invest in new dispatch software or monitoring platforms post-close, and sellers should ensure these costs are excluded from earnout EBITDA calculations to avoid diluting their performance-based proceeds.

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Frequently Asked Questions

What is the typical EBITDA multiple for acquiring a security services company in the lower middle market?

Security services companies with $1M–$5M in revenue typically trade at 3.5x–6x EBITDA, with the wide range reflecting the significant variance in contract quality and duration. Operators with multi-year contracts with government, healthcare, or institutional clients and customer concentration below 20% per client command multiples at the higher end. Businesses with month-to-month agreements, high turnover above 100% annually, or a single client representing 30%+ of revenue typically price at 3.5x–4.5x to compensate for elevated transition risk.

Can I use an SBA 7(a) loan to buy a security guard company?

Yes, security services businesses are eligible for SBA 7(a) financing, and it is the most common acquisition financing structure for individual buyers in this sector. Lenders will scrutinize the contract base — specifically contract length, renewal history, and customer concentration — as the primary basis for debt service coverage analysis. Buyers typically need to inject 10–20% equity, and SBA lenders generally require the seller to carry a subordinated note of at least 10% of the purchase price to demonstrate confidence in the transition. State licensing transferability and workers' compensation history will also be reviewed during SBA underwriting.

How does a seller earnout work in a security company acquisition?

In security services M&A, earnouts are most commonly structured around contract retention rates and EBITDA performance over a 2–4 year post-close period. For example, a seller might receive up to $500,000 in additional proceeds if 90% or more of the contract base (by revenue) is retained through year two and EBITDA meets agreed thresholds. Earnouts are particularly common in PE-led equity recapitalizations where the seller stays on as an operating partner. The critical negotiating point is defining what counts as a retained contract — clients who reduce scope or renegotiate pricing should be addressed explicitly in the earnout calculation methodology.

What happens to state security guard licenses when a company is sold?

This is one of the most operationally critical issues in any security services acquisition. Most states require guard agency licenses to be held by the business entity and may require re-application or transfer approval when ownership changes. Some jurisdictions — including California, Florida, and Texas — have specific change-of-ownership notification or re-licensing requirements. Buyers should conduct a full license audit as part of due diligence, confirm transferability with the relevant state licensing authority, and structure closing conditions around regulatory confirmation rather than assumed timelines. SBA lenders will also require evidence that licensing continuity is assured before funding disbursement.

How should a security company seller think about customer concentration when preparing for a deal?

Customer concentration is one of the most significant value killers in security services transactions. Buyers and lenders will heavily discount businesses where a single client represents more than 20–25% of revenue, as contract loss post-close creates immediate debt service risk. Sellers preparing for exit should work to diversify their client base 12–24 months before going to market, ideally targeting no single client above 15% of revenue. If concentration cannot be reduced, sellers should prioritize securing multi-year contract renewals with anchor clients prior to marketing the business, and be prepared to accept earnout provisions tied to retention of those specific accounts.

What role does the seller typically play after a security company acquisition closes?

Most security services acquisitions include a 6–12 month transition period during which the seller remains involved under a paid consulting agreement. This period covers critical handoffs including introduction of the buyer to key client contacts, transfer of guard supervisor relationships, completion of state licensing transfers, and documentation of dispatch and incident response protocols. In PE equity recapitalizations, sellers often continue as the operating president for 2–4 years while the platform executes add-on acquisitions. The scope and compensation of the transition role should be documented in the purchase agreement — vague consulting arrangements are a common source of post-close conflict in service business acquisitions.

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