Technology
AI Month-End Close: What the QuickBooks and Xero Connectors Can't Do
What the QuickBooks and Xero connectors in Claude can and cannot do at month end, and how a full-API connector with approval closes the gap.
Cross-industry
Cash vs Accrual Accounting: When Your Startup Has to Switch
The same quarter as a $56,000 profit or a $119,000 loss, depending on the basis. The 4 signs you have outgrown cash accounting, why investors read accrual books, and what changes when you switch.
Technology
AI Compute Costs: COGS or R&D?
Which AI compute costs belong in cost of revenue and which in R&D. The split table, a worked month with both journal entries, and how the same $186,000 bill gives a 53.5% or a 70.0% gross margin.
Biotech
FDA Clearance Costs in 2027: What Health Tech Should Budget
The FY2027 FDA user fees for 510(k), De Novo and PMA, the small business discount, and the four costs around the fee that decide how long your runway lasts.
Cross-industry
Balance Sheet Basics: What to Check in 10 Minutes
The 5 balance sheet lines a founder should check every month, what each one says about your cash, and the red flags the P&L will never show you.
Technology
AI Gross Margin: Why Yours Isn't 80%
Why AI companies run 50 to 60% gross margins, not SaaS's 80 to 90%. The three cost lines to pull from your P&L, a worked 88% to 54% example, and how investors read the gap.
Cross-industry
How the Month-End Close Works
The 5-day close calendar, what the benchmarks really say about days to close, and the monthly deadlines investors and lenders write into contracts.
Cross-industry
What Belongs in a Startup Board Reporting Package
A startup board reporting package on one page: the KPI dashboard, the financials against plan, cash and runway, and the two or three decisions that earn the room.
Cross-industry
How to Set Up a Startup Chart of Accounts
The nine account ranges, the dimensions that keep the list short, and the revenue, cost of revenue, R&D and deferred revenue accounts that make a startup's metrics tie out.
Technology
How to Calculate Unit Economics: CAC, LTV, Payback
The formulas for CAC, LTV and CAC payback, why blended CAC misleads, why revenue LTV is fiction, and the 2026 benchmarks investors actually hold you to.
Technology
What Is Deferred Revenue in SaaS
Cash collected up front is not revenue yet. What deferred revenue is, how a $12,000 annual prepay becomes $1,000 a month, why it breaks ARR, and what the auditor tests.
Technology
How to Read a SaaS P&L: What Founders Miss
Bookings is not revenue, contra revenue hides inside your top line, and your gross margin is two businesses at once. The lines founders misread, with figures from public filings.
Technology
Growth vs Cash Flow Positive: How to Model the Tradeoff
One revenue case, three cost plans, nine boxes. How to settle the growth versus profitability argument with arithmetic instead of instinct.
Fundraising
What Goes in the Finance Section of a Series A Data Room
No diligence checklist specifies your financials. The nine files the finance folder needs, staged access, and the 409A trap a term sheet springs.
Fundraising
Fundraising Due Diligence: The Finance Checklist
What investors actually examine, the ten files your data room has to hold, and the red flags that stall a round.
Timing
When Should a Startup Hire a Fractional CFO
Six triggers that mean the decisions have outrun the books, and not one of them is a revenue number.
Technology
Is the Rule of 40 Still the Benchmark in 2026
Yes, but the margin you pick swings the score by thirty points, and investors now weigh a point of growth at two to three times a point of profit.
Technology
The SaaS Metrics Investors Ask For Before a Raise
The six numbers investors ask for before a raise, the benchmarks that actually apply to private companies, and the ARR movement schedule that proves them.
Technology
What Is a Good Burn Multiple for a Startup
Net burn divided by net new ARR is the price tag on your growth. What good looks like by stage in 2026, how investors read it, the four ways it lies, and the levers that move it.
Boundaries
Can a Fractional CFO Do Your Audit
No. An audit is attest work, and only a licensed CPA firm independent of you can perform one. What the boundary is, who to hire, and whether you even need one this year.
Pharmacy
PBM Reconciliation: How Pharmacies Find Underpayments
Adjudication is a quote, not a payment. The five places pharmacy money leaks, a seven step weekly workflow to find it, and when a variance becomes an appeal.
Island Waters Insights
What Does a Financial Controller Do
The controller owns the accuracy of the numbers: the close, the ledger, reporting, and internal controls. What the seat covers, what it costs, and when a growing company needs one.
Cross industry
What Does an Interim CFO Cost in 2026
What interim finance leadership actually costs in 2026, why the honest answer is not an hourly number, and what you get at each retainer tier.
Cross-industry
How to Build a 13-Week Cash Flow Forecast
Your annual model reports in quarters. Payroll lands on a Tuesday. Here is the rolling weekly forecast that closes that gap, line by line, and the weekly review that makes it stick.
Technology
What Is Runway and How Do You Calculate It
Most founders can tell me their bank balance but not their runway to the week. Here is the formula, the one word that fools people, and the benchmarks that keep a company alive.
Cross-industry
Bookkeeper vs Controller vs CFO: Who Does What
Three different jobs, not a ladder. What each role owns, what each costs, and how to tell which one you actually need.
Cross-industry
Outsourced CFO vs Fractional CFO: What Is the Difference
Two terms founders use interchangeably. Here is the distinction that actually matters.
Cross-industry
Fractional CFO vs full time CFO: which does your startup need?
Hiring full time too early is one of the most expensive mistakes a founder can make. Here is the real cost gap, the equity math most founders skip, and the signal that says it is finally time.
8 min read · July 14, 2026
Cross-industry
How much does a fractional CFO cost in 2026?
Retainers commonly run $3,000 to $15,000 a month, against $250,000 or more all in for a full time hire. Here is what actually drives the number, and what you get at each tier.
9 min read · July 9, 2026
Cross-industry
What a fractional CFO actually does day to day
The title sounds like a half-time CFO. The work is something more specific: you get senior judgment on the decisions that actually move your company, not a reduced version of a full-time hire.
5 min read · June 28, 2026
Cross-industry
How to know when you actually need a fractional CFO
Most founders wait too long, then hire too senior, too permanently. Here is how to read the signal.
6 min read
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