We handle your books so you can focus on your startup.
The accounting team for startups and growing companies. Books clean enough to hold up the day a term sheet or an LOI shows up.
"Staxiom made it easy and straight forward to work through my R&D tax credit - they were very patient and not pushy when I dragged my feet on getting them the information they needed."
Built by former Big 4 accountants, founders, investors, and CPAs who know the startup space.
Backed by
- Operate
Seed round led by Conductive & Sovereign's Capital, with participation from Operate & Gumshoe Ventures.
Startup accounting. Same product, different emphasis depending on what's next.
Bootstrapping for good, raising next quarter, or exiting in three years: the choice is yours. Our job is to keep the financial side ready for it.
Getting ready to raise
Clean books and the right structure in place before a data room opens, so diligence moves quickly.
Staying ready, always
Monthly closes and tax filing that give you a current read on where you stand, with plain guidance on what it means.
Getting ready to exit
Tax decisions made while there's still time to make them, and books that hold up under a buyer's review.
Already have a CPA firm? We work alongside trusted CPA partners. Ask us about the referral relationship.
What we handle, month after month.
The first three are the relationship. The fourth is what we catch along the way.
Bookkeeping
Monthly closes, categorized and reconciled, so your books are ready to hand over whenever someone asks.
Tax filing & planning
Returns filed on time, structure and election decisions made before their deadlines, and straight answers on 83(b), QSBS, and 409A.
Capital strategy
Raise or bootstrap, seed or Series B: each path costs differently in dilution, structure, and taxes. We show you the numbers before you choose.
Credits & incentives
We're already in the books, so we catch what got left behind: unclaimed credits, missed elections, overpaid years.
Human-driven AI: experienced accountants own every decision.
AI takes on the repetitive first pass, sorting your books and checking them against the full credit menu. A CPA who specializes in startups reviews what it finds before anything goes in your return, so you get faster turnaround without losing the judgment.
A CPA and an attorney review every finding before it reaches you.
The work happens in one place you can actually see.
No email chains or shared drives. You log in to Staxiom, see what's done and what's waiting on you, and answer questions in place. Here's an R&D credit study from start to finish.
Most back offices are a cost. Ours tends to pay for itself.
We're in your books anyway, so we find what got left behind: unclaimed credits, missed elections, overpaid years, checked against the full menu below.
R&D Tax Credit
Building or improving software, hardware, or process. It's the headline credit.
State R&D / Incentive Programs
Many states run their own R&D credits on top of the federal one.
Retirement Plan Startup Credit
For small employers starting a new 401(k) or retirement plan.
Small Employer Health Insurance Credit
For small employers covering at least half of premiums.
QSBS Exclusion
For eligible C-corp stock, can exclude a large share of capital gains when shares are eventually sold.
409A Valuation
What establishes the IRS safe harbor for granting stock options, and generally relied on for up to 12 months, or until a material event like a new round.
R&D Payroll Tax Offset
Pre-revenue startups can apply R&D credit against payroll tax instead of income tax, up to $500k a year.
83(b) Election
Filed within 30 days of a stock grant, it lets founders be taxed on their shares at today's value instead of as they vest.
Work Opportunity Tax Credit
A federal credit for hiring from certain groups who've faced barriers to employment, like veterans or the long-term unemployed.
Want a credit check first? Get your free diligence brief →
Pricing that scales with what you actually need.
Bookkeeping is the floor for everyone. Add tax prep and capital strategy as your startup needs them. See the full plan comparison →
We've been on the other side of the table.
Staxiom's CEO founded Ardius, the R&D tax credit company Gusto acquired in 2021, so we know what diligence asks because we've been asked. The rest of the team includes former Big 4 accountants, investors, and CPAs who know the startup space.
Looking for your people? Join Exit Hours.
Right now you're probably staring down a term sheet, wondering if you can afford the next hire, or bracing for a diligence call you didn't see coming. Everyone in this room is working through some version of the same thing. Staxiom's own co-founder started Exit Hours because those conversations weren't happening anywhere else. No pitch decks, no vendor booths, just founders talking through the decision actually in front of them.
Join our community →
Get ready for whatever's next.
Take the 3-question fit check at the top of the page, or talk to us directly if you'd rather start with a conversation.
Built to hold up under scrutiny
Books kept diligence-grade from the first month, so there's nothing to clean up when someone asks to see them.