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Fractional Controller for Contractors
Contractor businesses running multiple active jobs need more than a bookkeeper. They need someone who owns the WIP schedule, tracks retention across every open contract, and delivers financial statements that reflect what is actually happening in the field — not just what has been invoiced.
- WIP reporting and job costing built for general contractor businesses
- Monthly financial close that meets bonding and banking requirements
- Controller-level oversight without a full-time controller salary
No contracts. No long-term commitments.
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What Does a Fractional Controller Do for a Contractor Business?
A fractional controller for contractors manages job costing, WIP schedules, monthly financial close, retention tracking, and cash flow reporting, providing the financial oversight a growing contracting business needs without adding a full-time controller to its payroll.
Most contracting businesses move through 3 distinct financial stages as they grow. In the early years, a bookkeeper handles transactions, payroll, vendor payments, invoices, and bank reconciliations. That works until project volume grows past the point where the owner can see everything personally.
At $1M to $10M in revenue, the financial complexity shifts. Jobs overlap. Billing cycles become more involved. Underbillings start appearing. Bonding and banking conversations require formal financial packages. This is the controller stage, and most contractors arrive here without realizing their financial structure hasn’t kept up.
A fractional controller fills that gap. Job costing, WIP schedule preparation, monthly close, and retention tracking are handled by someone with construction accounting experience, without the overhead of a $150,000 full-time hire.
When Does a Contractor Business Need a Fractional Controller?
Your WIP schedule isn't being maintained - and underbillings are accumulating
A work-in-progress schedule tracks how much has been billed on each active contract relative to how much work has been completed. When this schedule isn't prepared monthly, underbillings build up across multiple jobs without anyone noticing. By the time the pattern becomes visible, months of billing opportunity have already passed.
Retention from completed jobs is sitting uncollected
Most construction contracts hold back 5–10% of each invoice as retainage until the project reaches completion. A contracting business running 8 active jobs at any time can have significant retainage balances sitting uncollected - some from projects finished months ago. Without a system tracking each balance by contract and client, those amounts stay off the owner's radar.
Change orders are being executed in the field but not billed
Field teams respond to scope changes from clients as part of the job. Accounting teams don't always receive the documentation until weeks later - or at all. When change orders are completed without being billed, the revenue is earned but never collected. A fractional controller builds the coordination between field activity and billing that closes this gap
Bonding capacity is being constrained by weak financial reporting
Surety companies determine bonding limits using a contractor's WIP schedule, working capital ratio, and balance sheet. When those reports are disorganized, outdated, or missing, bonding underwriters reduce the available capacity, regardless of the contractor's actual performance. This directly limits which projects the business can bid.
The owner is reviewing financials without getting answers
At a certain point, the owner of a contracting business is spending 8 to 10 hours a week looking at numbers that don't clearly explain job performance, cash position, or where the business actually stands. A fractional controller takes that responsibility off the owner's desk and delivers financial reports that are clear and decision-ready.
Fractional Controller Services for Contractor Businesses
Ready to get financial oversight built for your Contractors business?
Financial Challenges Unique to Contractor Businesses
Underbilling patterns compound across active jobs without a monthly WIP review
Underbillings occur when the amount billed on a contract is less than the value of work completed to date. On a single job, a small underbilling is manageable. Across 6 or 8 active contracts, underbillings accumulate into a significant gap between earned revenue and invoiced revenue. A fractional controller prepares the WIP schedule each month, identifies underbillings by contract, and coordinates the billing corrections before the gap widens further.
Backlog concentration creates hidden cash flow risk that isn't visible in monthly reports
When one contract represents 40% or more of a contractor's active backlog, a delay on that project disrupts overhead coverage, payroll timing, and the ability to take on new work. Standard monthly financials don't surface this risk because they report on what has already happened. A fractional controller tracks backlog composition and flags concentration before a single project delay becomes a business-level cash problem
Subcontractor cost management creates lien exposure that affects client relationships
Contractors who use subcontractors are responsible for ensuring those subcontractors are paid correctly and on time. When subcontractor invoices are miscoded, delayed, or missed, unpaid subs can file mechanics' liens against the owner's property, damaging client relationships and creating legal exposure. A fractional controller tracks subcontractor costs by job, verifies payment timing, and maintains the lien waiver documentation that protects the contractor's client relationships.
How Does a Fractional Controller Engagement Work for a Contractor Business?
01
Financial Baseline Assessment
We review your current chart of accounts, how job costs are coded, whether a WIP schedule exists, what retention balances are outstanding, and where the gaps are between your bookkeeping records and your actual project performance. This baseline defines exactly what needs to be built.
02
Reporting Structure Setup
We configure your accounting system to track job costs, labor, subcontractor expenses, and retention at the individual contract level. We build or restructure the WIP schedule so that every active job shows its billed-to-date, cost-to-date, and earned revenue in a format that lenders and bonding companies recognize.
03
Monthly Close and Financial Delivery
Each month, we prepare the WIP schedule, close your books, reconcile job costs against actuals, and deliver financial statements organized by project and by the business overall. Your reports are ready within an agreed timeline and are built to support the conversations you need to have with bankers and bonding agents.
04
Ongoing Oversight and Advisory
We review monthly results with you, flag underbillings before they compound, and provide the financial documentation your growth decisions require. As your backlog grows and project complexity increases, the reporting structure scales with it.
What Size Contractor Business Benefits Most from a Fractional Controller?
Contractor businesses generating between $1 million and $10 million in annual revenue benefit most from a fractional controller. At this stage, project volume and billing complexity exceed what a bookkeeper can manage, but revenue does not yet support the cost of a full-time controller hire.
The ideal fit is a contracting business running 3 or more active projects simultaneously, pursuing work that requires bonding documentation, and finding that the current financial reporting can no longer answer basic questions about job profitability or cash position.
You're a fit if:
- Revenue between $1M and $10M with 3 or more active contracts at any time
- Bookkeeper handles transactions but cannot produce a WIP schedule or job cost reports
- Bonding or banking relationships require financial packages the current team cannot deliver
Fractional Controller Services for Other Industries
Frequently Asked Questions
What does a fractional controller do for a contractor business?
A fractional controller manages job costing, WIP schedule preparation, retention tracking, monthly financial close, and cash flow reporting for contractor businesses. They own the financial reporting layer that sits between day-to-day bookkeeping and the strategic decisions the business owner needs to make.
What is a WIP schedule and why does a contractor need one?
A work-in-progress schedule is a financial report that shows the billed-to-date, cost-to-date, and earned revenue on every active contract. It identifies which jobs are overbilled or underbilled relative to completion percentage. Lenders and bonding companies require a current, accurate WIP schedule before making financing and underwriting decisions — and most bookkeepers are not equipped to produce one.
How is a fractional controller different from a bookkeeper for a contracting business?
A bookkeeper records what has been spent and invoiced. A fractional controller takes those records and produces the job-level reports, WIP schedules, and financial statements that tell you whether the business is actually performing the way the revenue numbers suggest. The distinction is between recording transactions and understanding what they mean for each active contract.
Can a fractional controller help with bonding and banking conversations?
Yes. Surety companies and lenders require specific financial documents — WIP schedules, balance sheets, income statements, and working capital ratios, prepared to their standards. A fractional controller produces and maintains these reports consistently, so bonding and banking conversations are supported by current, accurate financials rather than scrambled together at deadline.
How much does a fractional controller cost for a contractor business?
A fractional controller engagement for a contractor business typically ranges from $2,000 to $7,000 per month depending on the number of active contracts, payroll complexity, and reporting requirements. A full-time controller hire costs $130,000 to $180,000 per year in salary before benefits and overhead.
Get a Fractional Controller for Your Contractors Business
Contractor businesses that present disorganized financials to a bonding company consistently access less underwriting capacity than their revenue and performance would otherwise support.