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Startups / Accounting Services

Accounting Services Built for Venture-Backed Startups

Full-service startup accounting built around monthly GAAP bookkeeping, R&D tax credits, 409A and cap table coordination, and multi-state tax compliance. One integrated team, scaled to your stage, priced for your runway.

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The Numbers-First Proof

How a Clean Accounting Stack Puts Real Cash Back Into Your Runway

Between your seed and Series A, every month of runway matters and every investor email asks a harder question. The R&D payroll tax credit alone can return up to $500,000 per year directly against your employer payroll tax, and it is refundable, meaning a pre-revenue seed-stage company can receive actual cash. Most founders either miss the election deadline or under-document the qualified expenses. To see what this looks like, assume a typical post-seed SaaS company spending $1,200,000 per year on engineering and research.
Post-Seed with DIY Bookkeeping
Founder-Managed QuickBooks, No R&D Study, Missed Payroll Election

$0

QuickBooks is still on cash basis from the pre-seed days. Engineering payroll is not tagged to projects. No Section 174 capitalization schedule exists. Form 6765 is never filed. The R&D credit election deadline passes while you are heads-down shipping product. Every dollar of potential refund is gone, and when your Series A term sheet arrives, diligence turns into a 60-day cleanup sprint.

Post-Seed with Proper Accounting Stack
GAAP Accrual Close + R&D Study + Timely Payroll Election

$156,000

Monthly accrual close produces investor-ready financials your board actually reads. The R&D study documents $1.2M of qualified research expense across your engineering team, cloud infrastructure, and contractor spend. Form 6765 is filed on time, Form 8974 payroll offset is elected, and $156,000 starts hitting your next eight quarters of payroll tax. Total cash back into runway: $156,000.

Let’s assume $1.2M in qualified research expenses
Metric DIY Books / No Study Full Accounting Stack
Qualified Research Expenses Documented $0 $1,200,000
Federal R&D Credit Calculated $0 $156,000
Payroll Tax Offset Available $0 $156,000
Diligence Cleanup Cost at Series A $45,000+ $0
Net Cash Position Impact -$45,000 +$156,000
Total Cash Recovered in Year One
$201,000
Cash Recovered = (QRE × Credit Rate × Payroll Offset Election) + (Diligence Cleanup Cost Avoided)
The Advisor Perspective

The Accounting Mistakes That Cost Founders Real Money

Between seed and Series A is when most founders first realize their early accounting choices have consequences. Whether you are running a SaaS product, fintech platform, biotech lab, hardware company, consumer app, marketplace, AI tool, developer platform, climatetech venture, or digital health startup, the same four failures show up over and over again during diligence. Each one either costs real cash or delays a round.
⚠ Section 174 Capitalization

Your Engineering Salaries Are No Longer Fully Deductible

Since 2022, the Tax Cuts and Jobs Act requires every dollar you spend on R&D (engineering salaries, contractor payments, cloud infrastructure used for development) to be capitalized and amortized over 5 years for domestic work and 15 years for foreign. A seed-stage startup that spent $2M on engineering gets a $200K deduction in year one instead of $2M. Most founders discover this only after their first real tax filing arrives with a surprise bill on a company with no revenue.

⚠ Cash Versus Accrual Accounting

Your Investors Will Not Accept Cash-Basis Books

Every tier-1 VC, every debt lender, and every strategic acquirer expects GAAP accrual statements with ASC 606 revenue recognition and a proper deferred revenue waterfall. A SaaS company running QuickBooks on cash basis misstates MRR, ARR, gross margin, and net retention. Converting cash books to accrual during Series A diligence routinely costs $30K to $75K in rush fees and delays your close by 30 to 60 days, right when speed is everything.

⚠ QSBS Eligibility Documentation

You Can Silently Disqualify Your Own $10M+ Tax Exemption

QSBS under Section 1202 lets founders and early employees exclude up to 100% of capital gains on a future exit, but eligibility has to hold continuously from the day shares are issued. Seed founders who delay the LLC-to-C-corp conversion past the first priced round, issue stock without formal board approval, or let the company hold over 10% of assets in non-qualified investments can quietly disqualify entire tranches of equity. Most founders only find out at exit, when the tax bill has already been printed.

⚠ Equity and Stock Compensation Errors

Bad 409A Valuations Create Six-Figure Tax Traps

Stock options granted below fair market value create an immediate ordinary income event for the employee and 20% federal excise tax under Section 409A. Late 83(b) election filings destroy founder tax treatment on unvested shares. Missing ISO disqualifying disposition tracking turns favorable long-term capital gains into ordinary income. Clean cap table accounting and coordinated 409A valuation timing prevent all three.

Who This Is For

The Startup Accounting Stack We Build for Every Founder

Your books evolve fast between seed and Series A. What worked when you were three people in a garage starts breaking the moment you make your first real hires, close your first enterprise contract, or prep your data room. Here is the infrastructure we put in place before those inflection points catch you off guard.
Startup Accounting Implementation Checklist

5 / 5 Complete

Qualifying Startup Types
Our core practice is seed and Series A founders across SaaS and B2B software, fintech and payments, biotech and life sciences, hardware and IoT, consumer products and DTC brands, marketplace and platform businesses, AI and machine learning startups, developer tools, climatetech and energy, health tech and digital health, and edtech. We support founders who have raised from tier-1 VCs, accelerators like Y Combinator, Techstars, and Neo, and angel syndicates, and who are typically 6 to 24 months away from raising their next round.
GAAP Accrual Bookkeeping and Monthly Close
Chart of accounts built for SaaS or your specific business model, monthly accrual close within 10 business days, ASC 606 revenue recognition, deferred revenue waterfall, prepaid expense tracking, and investor-ready P&L, balance sheet, and cash flow statements every month.
R&D Tax Credit Study and Filing
Annual qualified research expense study, Section 174 capitalization schedule, Form 6765 preparation, and the Form 8974 payroll tax offset election. Delivered with audit-ready documentation before the filing deadline every year.
Equity, Cap Table, and 409A Coordination
Cap table reconciliation with your accounting system, 409A valuation scheduling aligned with funding rounds, 83(b) election filing support, ISO and NSO tracking, and board-approved equity grant documentation. QSBS eligibility is monitored continuously.
State Tax Nexus and Multi-State Compliance
Remote employee nexus tracking, state income and franchise tax registration, sales tax nexus analysis for SaaS and physical product companies, Delaware franchise tax calculations, and annual report filings across every state where you operate.
Quick Eligibility Snapshot
Factor What We Look For
Startup stage Seed through Series A (extending to Series B)
Monthly burn $50K to $500K where ROI is meaningful
Entity structure Delaware C-corp, or LLC ready to convert
Team size 3 to 50 employees typical
Fundraising window Currently raising or raising within 12 months

Build Investor-Ready Books Before Your Next Round

If you closed seed in the last 18 months or you’re targeting a Series A inside the next year, the accounting work needs to start now, not when the term sheet arrives. Put the foundation in place before diligence starts.
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Expert FAQs

What accounting services does a startup need after raising seed funding?

After a seed round, most startups need five core services in place: monthly GAAP bookkeeping, annual tax preparation, R&D tax credit capture, cap table and 409A coordination, and multi-state compliance. At Capital Tax, we deliver all five as a single integrated service, scaled to your stage and priced so you only pay for what you use.
Every Series A lead we have worked with expects the same core package: 24 to 36 months of GAAP accrual financials (P&L, balance sheet, cash flow), a SaaS metrics tear-down (ARR, MRR, net retention, gross margin, CAC, LTV), a burn and runway model tied to your headcount plan, a cohort revenue waterfall, customer concentration analysis, and a clean cap table reconciled with your financial records. We build the data room in parallel with monthly closes so by the time your term sheet arrives, you are pulling files, not producing them.
Almost never at seed or Series A. The stack you described is the right one, and we keep founders on it until well into Series B. What usually needs to change is how it is configured. Chart of accounts built for SaaS instead of generic small-business defaults, integrations that actually sync (not the out-of-the-box settings), classes and locations set up for cost center reporting, and deferred revenue handled correctly in QuickBooks Online instead of a separate spreadsheet. We also work natively with Rippling, Justworks, Deel, Brex, Ramp, and most billing platforms including Stripe Billing, Chargebee, and Maxio.
Most seed-stage founders do not need a fractional CFO yet. What they need is reliable monthly closes, tax filings, and R&D credit capture. The fractional CFO conversation usually starts about 6 months before a Series A, when board reporting gets more sophisticated, financial modeling for the round begins, and hiring plans need to be tied to runway scenarios. We scope engagements in three tiers so you pay only for what you need at each stage: bookkeeping plus tax to start, then add fractional CFO support when the fundraise planning actually begins
Seed-stage companies with a single Delaware C-corp, modest transaction volume, and no enterprise contracts typically start between $1,200 and $2,500 per month for full-service monthly close and annual tax. Post-Series A companies with multi-state payroll, enterprise customers, deferred revenue, and active hiring usually land between $3,000 and $6,000 per month. R&D credit studies, 409A coordination work, and fractional CFO engagements are priced separately so your monthly fee stays predictable and you only pay for the heavier projects when you actually need them.

Disclaimer: This is not tax advice, and it is recommended to consult a tax professional, as every tax situation is unique.