An approved SBIR/STTR budget tells your company what the agency approved.

 

It does not automatically tell you when cash will be available.

 

That difference matters.

 

A company may have an approved award budget, but still need to cover payroll before reimbursement arrives, pay vendors before the next drawdown, manage subcontractor invoices before agency payment, or bridge working capital gaps between award phases.

 

For founders, this can be confusing. The award may be fully funded on paper, but the business can still feel cash-constrained during performance.

 

At Peter Witts CPA PC, we help SBIR/STTR awardees connect approved budgets to practical cash flow forecasting so leadership can see payroll needs, vendor payments, drawdowns, reimbursement timing, indirect cost recovery, and working capital requirements before funding gaps become urgent.

 

Why an Approved Budget Is Not the Same as Cash Availability

 

An SBIR/STTR budget is usually organized by cost category.

 

It may show approved amounts for:

• Direct labor
• Fringe benefits
• Materials and supplies
• Consultants
• Subcontractors or research partners
• Travel
• Equipment
• Other direct costs
• Indirect costs
• Fee or profit, if applicable
• TABA, if applicable

That budget is important, but it does not show cash timing.

 

Cash flow depends on when costs are incurred, when vendors must be paid, when payroll is due, when reimbursement is requested, when drawdowns are allowed, and how long payment takes.

 

A budget answers, “What costs were approved?”

 

A cash flow forecast answers, “When will we need cash, and when will cash come in?”

 

Both are necessary.

 

Start With the Award Terms

 

Before building the forecast, review the award terms.

 

The payment structure drives the cash flow model.

 

Depending on the agency and award type, payment may happen through:

• Advance drawdowns
• Cash requests
• Reimbursement requests
• Contract invoices
• Vouchers
• Milestone payments
• Scheduled payments
• Progress payments
• Cost-reimbursable billing

NIH explains that HHS grant payments may be made through advance payment methods, cash request, or cash request on a reimbursement basis, as specified in the Notice of Award.

 

That means the company should not build a cash flow forecast using assumptions from another award or agency.

 

The first step is to confirm how this specific award pays.

 

Review Payment Rules Before Spending Begins

 

The company should understand payment rules before payroll, subcontractor costs, or vendor purchases begin.

 

Review:

• Payment method
• Payment system access
• Who can submit payment requests
• Payment request frequency
• Supporting documentation required
• Whether requests are based on actual costs or expected disbursements
• How quickly funds are typically received
• Whether payments are advanced, reimbursed, or milestone-based
• Whether draws are limited to immediate cash needs
• Whether agency review is required before payment
• How payment activity must be reconciled

2 CFR 200.305 states that payment methods for recipients and subrecipients other than states must minimize the time between the transfer of funds and disbursement by the recipient or subrecipient. It also states that advance payment requires written procedures and financial management systems that meet fund control and accountability standards.

 

The practical takeaway is simple: approved funding does not mean unlimited cash access.

 

Build the Forecast From the Approved Budget

 

The approved budget should be the starting point for the forecast.

 

Use the approved budget categories as the framework, then convert each category into expected timing.

 

For each budget line, ask:

• When will this cost happen?
• Will it be paid weekly, biweekly, monthly, or once?
• Is it tied to a milestone?
• Will the company pay before reimbursement?
• Is a deposit required?
• Is the cost recurring or one-time?
• Is the timing tied to a subcontractor invoice?
• Does the cost affect indirect rates?
• Does the payment request need documentation first?

This turns the award budget from a static document into a cash planning tool.

 

Forecast Payroll First

 

Payroll is often the biggest and most time-sensitive SBIR/STTR cash need.

 

Employees, founders, scientists, engineers, and technical staff may need to be paid before reimbursement arrives or before a drawdown is processed.

 

Your forecast should include:

• Pay dates
• Gross wages
• Payroll taxes
• Fringe benefits
• Founder compensation
• Direct labor charged to the award
• Indirect labor
• Payroll provider withdrawal dates
• Timekeeping approval deadlines
• Labor distribution timing
• Expected reimbursement or drawdown timing

If payroll is due every two weeks, the cash forecast should reflect that timing.

 

Do not simply divide the annual labor budget by 12 and assume cash will line up evenly.

 

Connect Payroll to Timekeeping

 

Payroll forecasting should be tied to timekeeping.

 

If award labor must be supported by employee time records, the company needs to know when time is submitted, approved, processed through payroll, posted to the general ledger, and included in a drawdown or reimbursement request.

 

A strong process connects:

• Timesheets
• Supervisor approvals
• Payroll registers
• Labor distribution reports
• Project codes
• General ledger entries
• Budget-to-actual reports
• Payment request support

SBIR.gov identifies timekeeping and labor distribution as important accounting system elements for SBIR/STTR awardees, especially as financial expectations become more stringent in Phase II.

 

A cash flow forecast is stronger when it is connected to real payroll and timekeeping cycles.

 

Forecast Vendor and Supplier Payments

 

Vendor payments may not follow the same timing as payroll.

 

Some vendors require payment upfront. Others bill after delivery. Some require deposits. Some charge monthly. Some may not invoice until a project milestone is complete.

 

Forecast vendor costs by payment timing, not only by budget category.

 

Review:

• Materials and supplies
• Software or cloud services
• Testing costs
• Lab services
• Prototype components
• Equipment purchases
• Fabrication costs
• Shipping
• Travel costs
• Credit card payment dates

For each vendor cost, identify:

• Expected purchase date
• Invoice date
• Payment due date
• Whether a deposit is required
• Whether the cost can be included in a drawdown or reimbursement request
• What documentation will support the cost

A budget may show that vendor costs are approved, but the forecast should show when the cash leaves the company.

 

Forecast Consultant and Subcontractor Payments

 

Consultants, subcontractors, universities, research institutions, and technical partners can create large cash flow timing issues.

 

A subcontractor may invoice monthly, request payment upon milestone completion, or require payment before the company has received reimbursement.

 

Before finalizing the forecast, review partner agreements.

 

Ask:

• When will the partner invoice?
• Are invoices monthly, milestone-based, or deliverable-based?
• Are deposits required?
• How long does the company have to review invoices?
• Are payments due before agency reimbursement?
• Are partner costs included in the approved budget?
• Is documentation needed before payment request?
• Are partner invoices tied to deliverables?
• Does the company have enough working capital to pay the partner on time?

Subcontractor cash flow should be planned before the company signs payment terms.

 

Add Drawdowns, Reimbursements, or Invoices

 

Once expected costs are mapped, add expected cash inflows.

 

Depending on the award, cash inflows may come from:

• PMS drawdowns
• Cash requests
• Reimbursements
• Contract invoices
• Vouchers
• Milestone payments
• Scheduled agency payments
• Other approved payment methods

For each cash inflow, estimate:

• Request date
• Documentation needed
• Internal review time
• Agency review time
• Expected payment date
• Amount requested
• Amount received
• Any holdbacks or restrictions
• Timing differences

NIH cash request guidance explains that when a cash request is for advance payment, a recipient may request grant funds monthly based on expected disbursements during the succeeding month and federal funds already on hand.

 

This is why the company needs a forecast that looks ahead, not only a ledger that looks backward.

 

Separate Budget Timing From Cash Timing

 

One of the most useful parts of a budget-to-cash flow forecast is showing timing differences.

 

For example:

• Labor may be budgeted evenly but paid biweekly.
• Subcontractor costs may be budgeted quarterly but invoiced upfront.
• Materials may be budgeted in one category but paid earlier than expected.
• Reimbursement may happen after costs are incurred.
• A drawdown may be allowed for immediate cash needs but still require careful timing.
• Indirect costs may be budgeted but not recovered evenly.
• Payment may be delayed by missing documentation or system review.

These timing differences can create funding gaps even when the award is not overspent.

 

Include Indirect Cost Recovery

 

Indirect costs should be included in the forecast.

 

Indirect costs may include accounting, payroll support, rent, insurance, software, administrative labor, compliance support, and other costs that support the award or the business more broadly.

 

SBIR.gov explains that indirect costs may include items such as rent, employer payroll taxes, cell phone bills, general management, and accounting, depending on the company’s structure and allocation method.

 

The forecast should show:

• Expected indirect costs
• Approved indirect rate
• Rate base
• Indirect costs charged to the award
• Timing of indirect cost recovery
• Actual indirect cost trends
• Under-recovery risk
• Cash impact of indirect cost changes

An award can look profitable on a direct-cost basis but still strain cash if indirect costs are under-recovered.

 

Include Working Capital Needs

 

Working capital is the cash needed to operate between spending and payment.

 

Even with an approved award, the company may need working capital for:

• Payroll before reimbursement
• Subcontractor payments before agency payment
• Vendor deposits
• Materials purchases
• Testing costs
• Travel costs
• Indirect expenses
• Delayed payments
• Phase transition gaps
• Non-award business expenses

The forecast should show the lowest expected cash point during the period.

 

That helps leadership know whether the company needs bridge funding, owner contributions, investor support, a line of credit, or other financing before cash runs short.

 

Build a 13-Week Cash Flow Forecast

 

A 13-week cash flow forecast is a practical tool for SBIR/STTR award management.

 

It is short enough to stay realistic but long enough to show upcoming funding gaps.

 

A basic 13-week forecast should include:

• Beginning cash balance
• Expected drawdowns
• Expected reimbursements
• Expected invoice payments
• Payroll by pay period
• Payroll taxes and benefits
• Consultant payments
• Subcontractor payments
• Vendor payments
• Equipment or testing costs
• Rent, software, insurance, and administration
• Non-award expenses
• Ending cash balance by week
• Notes on timing risks

The forecast should be updated weekly or monthly depending on the company’s cash position and award activity.

 

Add a 12-Month Award Forecast

 

A 13-week forecast helps manage short-term cash.

 

A 12-month award forecast helps leadership understand the bigger picture.

 

The 12-month forecast should include:

• Approved award budget
• Expected monthly costs
• Expected monthly payment requests
• Expected payment receipts
• Remaining award funds
• Remaining work
• Burn rate
• Indirect cost recovery
• Working capital needs
• Phase transition timing
• Closeout timing

This helps founders see whether the company is likely to run into cash pressure later in the award period.

 

Track Burn Rate

 

Burn rate shows how quickly the company is spending.

 

For SBIR/STTR awardees, burn rate should be reviewed by both budget and cash.

 

Budget burn rate asks:

• How much of the approved award has been used?
• How much budget remains?
• Are costs aligned with the work plan?
• Are categories over or under budget?

Cash burn rate asks:

• How quickly is company cash being used?
• Are payments coming in fast enough?
• How much working capital remains?
• How many weeks of runway are available?

Both views matter.

 

A project can be within budget but still experience cash pressure if costs are paid before funds are received.

 

Reconcile the Forecast to Actuals

 

A forecast should not live separately from the accounting records.

 

Each month, reconcile the forecast to actual activity.

 

Review:

• Actual payroll versus forecast
• Actual vendor payments versus forecast
• Actual subcontractor invoices versus forecast
• Actual drawdowns or reimbursements versus forecast
• Actual indirect costs versus forecast
• Actual cash balance versus forecast
• Budget-to-actual variances
• Payment delays
• Missing documentation
• Changes in timing assumptions

2 CFR 200.302 requires financial management systems to maintain records identifying the amount, source, and expenditure of federal funds and to compare expenditures with budget amounts for each federal award.

 

The forecast should be part of that broader financial management process.

 

Watch for Reimbursement Delays

 

If the award is reimbursement-based, payment delays can create cash pressure quickly.

 

Delays may happen because:

• Documentation is incomplete
• Timekeeping has not been approved
• Payroll has not been reconciled
• Vendor invoices are missing
• Indirect costs are not supported
• Payment requests need review
• The agency asks questions
• System access is delayed
• Reports are overdue

The forecast should include realistic payment timing, not best-case timing.

 

If reimbursement is expected in 30 days but often takes longer, build the forecast accordingly.

 

Do Not Ignore Non-Award Costs

 

SBIR/STTR award activity does not eliminate the company’s other expenses.

 

The company may still have costs for:

• Fundraising
• Investor relations
• Sales and marketing
• Commercialization activity
• Internal R&D
• General management
• Non-award payroll
• Legal and accounting support
• Customer work
• Business insurance
• Software and tools

Not all of these costs belong on the award.

 

The cash flow forecast should separate award-funded activity from non-award business activity so leadership can see the full cash requirement.

 

Forecast Phase Gaps

 

Cash flow gaps often happen between phases.

 

A company may finish Phase I and wait for Phase II review, negotiation, or funding release. During that time, payroll, benefits, accounting, technical continuity, and business operations may continue.

 

Forecasting should include:

• Phase I end date
• Final costs
• Closeout costs
• Phase II application timing
• Expected award decision timing
• Expected funding start date
• Payroll between phases
• Partner commitments
• Non-award funding sources
• Working capital needed to bridge the gap

The company should not assume the next award will arrive exactly when current funds run out.

 

Create Scenarios

 

A useful forecast should include scenarios.

 

At minimum, consider:

• Base case: expected payment timing and spending
• Delay case: reimbursement or award funding arrives later than expected
• High-spend case: payroll, vendor, or subcontractor costs exceed forecast
• Conservative case: payment delays and higher costs occur together

Scenario planning helps leadership make decisions earlier.

 

If the delay case shows a cash shortfall six weeks from now, the company has time to adjust, communicate, or pursue financing.

 

Budget-to-Cash Flow Forecast Checklist

 

A practical SBIR/STTR budget-to-cash flow forecast should include:

• Approved award budget
• Award payment method
• Payment request timing
• Payroll schedule
• Payroll taxes and benefits
• Timekeeping approval process
• Vendor payment schedule
• Consultant and subcontractor payment terms
• Materials and equipment timing
• Drawdown or reimbursement timing
• Indirect cost recovery
• Working capital needs
• Non-award expenses
• Beginning and ending cash balances
• Burn rate
• 13-week forecast
• 12-month award forecast
• Scenario planning
• Monthly reconciliation to actuals

This forecast should be reviewed regularly, not built once and forgotten.

 

Common Forecasting Mistakes

 

SBIR/STTR companies often run into cash flow problems because they rely only on the approved budget.

 

Common mistakes include:

• Assuming approved budget equals available cash
• Not reviewing payment terms
• Forgetting payroll timing
• Underestimating payroll taxes and benefits
• Ignoring subcontractor payment terms
• Missing vendor deposits
• Assuming reimbursement will be immediate
• Not forecasting indirect cost recovery
• Forgetting non-award expenses
• Not planning for phase gaps
• Not tracking burn rate
• Not reconciling forecast to actuals
• Waiting until cash is low to review funding needs

These mistakes are preventable with a budget-to-cash flow forecast.

 

Questions to Ask Before Spending Begins

 

Before award spending begins, ask:

• How will payment work?
• Are funds advanced, reimbursed, invoiced, or milestone-based?
• When is payroll due?
• When will vendors need payment?
• When will subcontractors invoice?
• What documentation is needed before payment requests?
• How long does payment usually take?
• How are indirect costs recovered?
• What cash is needed for the next 13 weeks?
• What cash is needed for the next 12 months?
• What non-award costs continue during performance?
• What happens if payment is delayed?
• What happens if costs are higher than planned?

These questions help founders manage the award as a financial operation, not only a technical project.

 

Final Thoughts: A Strong Budget Still Needs a Cash Flow Plan

 

An approved SBIR/STTR budget is important, but it is not the same as cash availability.

 

Founders need to understand when costs will happen, when payments will be requested, when cash will arrive, and how much working capital is needed to keep the project moving.

A budget-to-cash flow forecast helps connect award planning with real-world financial management.

 

At Peter Witts CPA PC, we help SBIR/STTR awardees build practical cash flow visibility around payroll, vendor payments, subcontractor costs, drawdowns, reimbursements, indirect cost recovery, burn rate, and working capital needs.

 

Need Help Improving Award Cash Flow Planning?

 

If your company is preparing for or managing an SBIR/STTR award, Peter Witts CPA PC can help build a budget-to-cash flow forecast that connects approved budget categories, payroll timing, vendor payments, subcontractor costs, drawdowns, reimbursements, indirect cost recovery, and working capital needs.

 

Backed by 35+ years of government contract accounting experience and first-hand DCAA knowledge, our team helps innovators manage the financial side of federal funding with better visibility and stronger award planning.

 

Schedule a strategic consultation with Peter Witts CPA PC to improve award cash flow planning.