HOW SURETIES EVALUATE CONSTRUCTION CONTRACTORS — WHAT THE UNDERWRITER IS ACTUALLY LOOKING AT.
Most contractors think bonding capacity is determined by revenue and years in business. Surety underwriters think in three categories: character (completion history without disputes), capacity (technical and operational ability to execute), and capital (financial position to sustain a loss). Capital is where most bonding problems live — and capital is assessed from financial statements and WIP, not from revenue. A contractor who understands how the underwriter reads the file can build the financial infrastructure that moves the capacity ceiling.
SPM builds the documentation package that surety underwriters require — monthly WIP from closed books, accurate balance sheet, and consistent completion history. Contractors using CFOS for 12+ months present a materially stronger file than when they started.
WHAT A SURETY UNDERWRITER IS ACTUALLY LOOKING AT WHEN THEY REVIEW YOUR FILE.
Character, Capacity, and Capital — In That Order
Surety underwriting is built on three factors. Character: does this contractor have a history of completing projects without disputes, claims, or defaults? Capacity: does this contractor have the technical ability, crew, equipment, and management to execute the size and type of project being bonded? Capital: does this contractor have the financial position — working capital, net worth, debt structure — to fund the project through completion if something goes wrong? Character is assessed from completion history and references. Capacity is assessed from project history and equipment list. Capital is assessed from financial statements and WIP. Most bonding problems are capital problems — the financial position does not support the requested limit.
What the Underwriter Reviews Line by Line
Current financial statements: income statement, balance sheet, and cash flow statement for the most recent fiscal year. WIP schedule: all active projects with contract value, percent complete, billed to date, earned to date, and projected final cost. Backlog: signed contracts not yet started or in progress. Reference projects: completed projects of similar size and type to the requested bond. Bank letter: confirmation of LOC availability and current draw status. Insurance certificate: general liability and workers comp limits and expiration dates. Each document tells the underwriter a specific story. The WIP tells them whether the contractor knows what is happening on active projects. The balance sheet tells them whether there is capital to sustain a loss.
Why WIP Is the Central Document in the Underwriting Review
A surety is underwriting the risk that a project does not get completed. The WIP schedule tells the underwriter how the contractor is currently managing 8–12 projects simultaneously. A WIP with consistent overbilling positions, projects that are always profitable but produce losses at closeout, and cost-to-complete estimates that never change signals a contractor who is managing cash through billing rather than managing projects through financial control. That contractor gets lower limits and worse rates — even if the balance sheet looks strong.
WHAT CHANGES THE UNDERWRITING OUTCOME IN YOUR FAVOR.
The CFOS documentation package: SPM produces the financial package sureties require — monthly WIP from closed books, CEO Report metrics including working capital ratio and debt-to-equity, 13-week cash forecast, and backlog schedule. Contractors using CFOS for 12+ months have the documentation infrastructure that surety underwriters trust.
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