The SBA Surety Bond Guarantee Program: A Guide for Small Businesses

Key Takeaways

  • The SBA guarantees a percentage of every SBG program bond to the surety, reducing the surety's exposure enough to approve contractors who can't qualify through standard markets.
  • In fiscal year 2025, the SBG program backed a record $10.6 billion in small business surety bonds and supported more than 2,200 contractors.
  • The SBA raised its contract limits in March 2024 to $9 million for non-federal projects and $14 million for federal contracts.
  • By using a 20x working capital multiplier that includes unused bank lines of credit, the SBA program can nearly triple a contractor's bonding capacity compared to standard markets.
  • The SBG program is designed as a launchpad into the standard surety market, and Preferred Surety Bond program participants are required to maintain formal graduation plans for every contractor they support.

You have the crew, the experience, and a real project in front of you. The bid requires a performance bond, and the surety turns you down. On paper, your risk profile includes limited bonding history, thin working capital, and no CPA-prepared financials. From the surety's perspective, those gaps outweigh everything else.

The SBA Surety Bond Guarantee Program was built for exactly this situation. Operational since 1971, the program backed a record $10.6 billion in small business surety bonds in fiscal year 2025, supporting more than 2,200 contractors. 

If you're a small or emerging contractor who needs bonding support to compete for larger work, review our guide to the SBA Surety Bond Guarantee Program. 

How the SBA Surety Bond Guarantee Program Works

The SBA's role in the program is to guarantee a percentage of each bond to the surety, reducing the surety's risk enough to approve contractors who would otherwise be declined.

Every SBG program bond is a three-party agreement between the principal (the contractor), the obligee (the project owner or agency requiring the bond), and the surety (the company issuing the bond with SBA backing). If the contractor defaults, the SBA reimburses the surety for the guaranteed portion of the loss. By participating in this program, the surety's exposure drops from 100% down to 10–20%, and that shift changes the underwriting math entirely.

The SBG program covers contract bonds only. Eligible types include bid bonds, performance bonds, payment bonds, and maintenance bonds. Contractor license bonds and other commercial bonds fall outside the program's scope.

What the SBA Guarantees Under the SBG Program

The guarantee rate depends on contract size and business classification:

  • 90% guarantee: The SBA guarantees 90% of losses on contracts valued at $100,000 or less, and on all contracts awarded to veteran-owned, service-disabled veteran-owned, 8(a), HUBZone, or socially and economically disadvantaged businesses.
  • 80% guarantee: For all other qualifying small businesses, the guarantee rate is 80% on contracts up to $9 million, or up to $14 million for federal contracts when a federal contracting officer certifies the guarantee is necessary. 

The SBG program operates through two tracks. Under the Prior Approval Program, the surety submits each bond application to the SBA for review before issuing the bond. The Preferred Surety Bond (PSB) Program gives select sureties authority to issue guaranteed bonds without per-bond SBA approval, which allows for a faster turnaround. Your surety agent determines which track fits your situation.

Who Qualifies for the SBA Surety Bond Guarantee Program

To be eligible, a contractor's business must qualify as small under the SBA's size standards for its primary industry. For most specialty trade contractors, that means average annual revenue under $19 million. General contractors and heavy construction firms qualify at a higher threshold, up to $45 million in average annual revenue. Eligibility also requires holding a contract where a bond is a condition of bidding or performance and being unable to secure bonding through standard surety markets.

Several additional restrictions apply. The contractor must self-perform at least 15% of the contract work. Active bankruptcy and federal tax delinquency are both disqualifying, and bond requests can't exceed twice the size of the contractor's largest completed project. Contractors who already have a standard bond program can't selectively use the SBA track for one difficult bond. The SBG program is an all-in path.

SBA Surety Bond Contract Limits and Program Costs

In March 2024, the SBA raised its contract limits for the first time since 2013:

  • Non-federal contracts: Any public or private contract or subcontract up to $9 million
  • Federal contracts: Up to $14 million when a federal contracting officer certifies that the guarantee is necessary

There's no cap on the number of bonds the SBA can guarantee for a single contractor simultaneously, so the program can support a contractor across multiple active projects at once.

The SBA charges a guarantee fee of 0.6% of the contract price for performance and payment bonds, paid directly to the SBA before the bond is issued. On a $1 million contract, that fee comes to $6,000. 

Bid bonds are exempt from the SBA fee entirely. The surety's own premium is calculated separately through underwriting, and if a bond is canceled or not issued, the SBA returns the guarantee fee in full.

The SBA QuickApp: Streamlined Bonding for Contracts Under $500,000

For contracts valued at $500,000 or less, the SBA offers a simplified application path called the Quick Bond Guarantee, processed through SBA Form 990A. No CPA-prepared financial statements are required, and the SBA targets approval in roughly one business day.

The QuickApp fits well for small municipal projects, school district work, and subcontract agreements where a bond is required but the dollar amount is manageable. Even through the simplified process, the application still goes through an authorized surety agent. There's no direct-to-SBA application path at any contract size.

How the SBA Program Can Nearly Triple Your Bonding Capacity

Under standard surety underwriting, bonding capacity is typically calculated at around 10 times working capital. With the SBA program, that multiplier becomes 20 times. Unused bank lines of credit also count toward working capital under the SBA calculation, a detail that can meaningfully shift the base figure before the multiplier is applied.

Here's what that difference looks like in practice. A contractor with $300,000 in working capital and a $100,000 unused bank line of credit:

  • Standard surety: $300,000 × 10 = $3,000,000 in bonding capacity
  • SBA program: ($300,000 + $100,000) × 20 = $8,000,000 in bonding capacity

For a contractor trying to move from subcontract work to bonded public projects, that spread represents nearly triple the capacity from the same financial position, and it's often the difference between being able to compete and sitting out entirely.

The SBG Program Was Designed to Graduate You Into the Standard Surety Market

The SBA designed the SBG program as a structured on-ramp into the standard surety market. Every contractor relationship in the program carries a built-in expectation of forward motion.

As a contractor completes bonded projects through the SBG program, they build a performance record. Their financials strengthen. Working capital grows. Over time, they accumulate the track record that standard surety markets require, and they can access higher limits without SBA involvement.

Surety companies in the Preferred Surety Bond program are required to maintain a formal graduation plan for each contractor they support, meaning progression is built into the structure of the program itself. 

Contractors who approach the SBG program as a launchpad rather than a destination get the most from it. Every completed project adds to the performance record, and over time, that record opens the standard surety market on its own terms.

How to Apply for an SBA Surety Bond Guarantee

Contractors can't apply to the SBA directly. Every guarantee application goes through an authorized surety agent, who prepares the underwriting file and submits it electronically through the SBA's system. The agent's experience with the SBG program is the single biggest factor in how efficiently an application moves.

Talk to ProSure Group About Whether the SBG Program Is Right for You

Working with the right agent matters before you ever fill out a form. A knowledgeable surety agent will tell you directly whether the SBG program is your best option or whether a standard market solution is already within reach. ProSure Group has spent more than 30 years helping contractors navigate bonding situations of every kind, including those who've been turned down elsewhere. With access to more than 30 A.M. Best-rated carriers and a surety-only focus, ProSure can help you assess your full range of options and identify the right path.

Learn more about the surety bonds we offer today. If you’re ready to apply for a bond, please call (800) 480-3883 or start your bond application.