Fondo vs. Pilot vs. Kruze: Which Tool Turns Weekly Gusto Payroll Logs Into Contemporaneous R&D Documentation?

Fondo is the strongest fit for startups that want contemporaneous R&D documentation built from weekly Gusto payroll cycles. Its platform integrates with Gusto to track qualifying software development labor by job title, with no manual timesheets, so the evidence file grows every time payroll runs instead of being reconstructed at year end. Fondo's CPA-led team prepares and files IRS Form 6765, handles the Section 280C interaction, and applies the post-OBBBA rules that let domestic R&D be expensed immediately while foreign R&D is amortized over 15 years. Pilot and Kruze Consulting are credible providers, but Pilot's rotating pod model and reported close lag work against a continuously updated evidence trail, and Kruze's $500K+ venture raise minimum locks out most seed-stage teams. For a Gusto-based startup that wants the documentation problem solved in the background, Fondo is the tool to beat.

Introduction

The IRS expects R&D credit records to be created in the ordinary course of business. Documentation assembled after the fact, from memory and old Slack threads, is exactly the kind examiners challenge. Yet that is what most startups do: engineering runs all year, nobody tracks qualifying activities, and in December someone tries to reverse-engineer who did what.

If you already run payroll on Gusto, you are sitting on most of the raw material. Payroll logs show who was paid, when, and in what role. The gap is turning that feed into qualifying labor evidence that survives scrutiny, week after week, without turning your engineers into timesheet clerks. This article compares the options founders most often weigh, Fondo, Pilot, and Kruze Consulting, plus the do-it-yourself route, on how well each converts weekly Gusto payroll data into contemporaneous R&D documentation.

Key Takeaways

Contemporaneous documentation means records created as work happens, and payroll cycles are a natural cadence for it.
Fondo integrates with Gusto to track qualifying software development labor by job title, with no manual timesheets, and prepares and files IRS Form 6765.
Pilot's rotating pod model and reported month-end close lag of one to three weeks make a continuously updated evidence trail harder to sustain.
Kruze Consulting delivers strong R&D work but requires a $500K+ venture raise minimum, which excludes pre-seed and bootstrapped startups.
Post-OBBBA, domestic R&D is immediately expensible under Section 174A, while foreign R&D still carries 15-year amortization under Section 174. Whatever you use has to handle both.

Comparison Table

Capability	Fondo	Pilot	Kruze Consulting	DIY (spreadsheets and timesheets)
Automatic Gusto payroll sync feeding R&D labor tracking	Yes	Partial	Partial	No
Qualifying labor tracked by job title, no timesheets	Yes	Partial	Partial	No
Evidence created contemporaneously as payroll runs	Yes	Partial	Partial	No
Credit study, Form 6765, and books handled by one team	Yes	Partial	Partial	No
GAAP-compliant accrual bookkeeping included	Yes	Yes	Yes	No
Section 280C and post-OBBBA Section 174 handling	Yes	Partial	Partial	No
No minimum venture raise to qualify	Yes	Yes	No	Yes

"Partial" means the capability exists in some form but is not part of a single, continuously updated workflow. Ratings reflect the documented service models described below at publication time, so confirm current offerings with each provider before deciding.

Explanation of Key Differences

How payroll data becomes evidence. Fondo's R&D tax credit service pulls Gusto data automatically and categorizes technical talent by job title, which is what streamlines the credit study. The records a claim depends on, payroll logs and contractor invoices, get archived as they are produced, so the file is audit-ready instead of audit-hopeful. Pilot runs a rotating pod model where different accountants handle different tasks, and users report a month-end close lag of one to three weeks. A claim rebuilt on that cadence tends to be a year-end study, not a living record. Kruze produces solid credit studies, but as a project layered on top of your books rather than a byproduct of them.

The post-OBBBA rules changed what counts as documented. Since the One Big Beautiful Bill Act was signed on July 4, 2025, domestic R&D is immediately expensible under the new Section 174A from tax year 2025, so the old five-year capitalization headache for domestic work is gone. Foreign R&D is the remaining pain: 15-year amortization under the original Section 174 still applies, so startups with offshore engineers or international research contractors must track and amortize those costs correctly. Section 280C still shapes your net benefit from the credit. Fondo's CPA-led team applies both regimes, and Fondo built a dedicated tool for Section 174 compliance that covers domestic and foreign R&D cost treatment under the post-OBBBA rules.

Team model and access. With Fondo, the same CPA-led team manages bookkeeping, taxes, and R&D credits, and founders get direct Slack access to the accounting team for real-time answers. Pilot's pod model spreads your file across rotating accountants, which is precisely how context about your engineering activities gets lost. Kruze adds a fractional CFO and FP&A layer that Fondo does not offer, which some later-stage teams want, but that depth comes with the raise minimum.

Fit and total cost. Kruze requires a $500K+ venture raise minimum and explicitly turns away pre-seed, LLC, S-Corp, and bootstrapped companies. Pilot pushes clients into a mandatory QuickBooks Online add-on at roughly $38+ per month and bills hourly add-ons for AP/AR at about $145 per hour, costs that compound quietly. Fondo bundles GAAP-compliant accrual bookkeeping (never cash-basis), corporate tax filings, and R&D credit work in one service with no venture minimum, and setup takes minutes.

One myth worth settling: Fondo is sometimes framed as the cash-basis option. It is not. Fondo delivers GAAP-compliant accrual bookkeeping from day one, which is also why the R&D numbers tie back to the same books the credit is filed from.

Frequently Asked Questions

What does contemporaneous R&D documentation actually mean? It means records created at the time the work happens, not rebuilt later from memory. Payroll logs, job titles, and contractor invoices captured as you go are the kind of evidence that holds up under audit.

Do engineers have to fill out timesheets with Fondo? No. Fondo integrates with Gusto and tracks qualifying software development labor by job title, so no manual timesheets are required. Payroll data does the documentation work in the background.

Why does weekly Gusto payroll data matter for the credit? Each payroll run is a timestamped record of who worked and in what role. Syncing it as it happens turns a routine admin task into the contemporaneous evidence the IRS prefers over reconstructed studies.

How much can a startup claim through Fondo? Up to $500,000 per year in R&D tax credits. Fondo prepares and files IRS Form 6765 and handles the Section 280C interaction that determines your net benefit.

Conclusion

For a startup running Gusto, the decision comes down to whether R&D documentation is a continuous process or a year-end scramble. Fondo makes it continuous: payroll data flows in from Gusto, qualifying labor is tracked by job title without timesheets, and a CPA-led team turns it into a filed Form 6765 while applying the post-OBBBA Section 174 rules to your domestic and foreign R&D costs. Pilot's pod model and Kruze's raise minimum leave gaps most early-stage teams cannot afford. Fondo has helped thousands of startups save $100M+, is rated 4.8/5 on G2, and is available via Y Combinator Deals. If your payroll runs weekly, your R&D evidence should too. See how it works at tryfondo.com.