Sales Tax - California Startups

California Sales Tax Compliance for Startups. Handled.

California has some of the most complex sales tax rules in the country. Multi-state nexus, economic thresholds, SaaS taxability, and voluntary disclosure rules catch founders off guard every year. We handle registrations, filings, and everything in between.

    Sales tax registrations in California and other states
    Ongoing sales tax filings - monthly, quarterly, or annual
    Nexus studies to determine exactly where you owe
    Voluntary Disclosure Agreements (VDAs) for past exposure
    Reverse sales tax audits to recover overpayments
    Free initial consultation included

    $249 per filing. Free initial consultation. No hourly billing.

    Sales Tax

    $249

    per filing

    Everything Included

    ✓ California CDTFA registrations and filings

    ✓ Multi-state sales tax registrations

    ✓ Nexus studies - where do you owe?

    ✓ Voluntary Disclosure Agreements (VDAs)

    ✓ Reverse sales tax audits

    ✓ Sales tax audit defense

    ✓ Free initial consultation

    Why it The problem

    Most California Startups Do Not Know Where They Owe Sales Tax. That is the Problem

    Most California startups incorporate in Delaware but operate in California - which means you have filing obligations in both states. Add foreign founders, multi-state payroll, or investor distributions and the complexity compounds fast.

    We handle the full picture. One fixed price, no hourly billing, and unlimited support throughout the year. Every question you have between January and December is already covered.

    Sales Tax Registration

    California CDTFA registration and any other states where you have nexus. Required before you can legally file.

    Ongoing Filings

    Monthly, quarterly, or annual returns filed accurately and on time in every registered state.

    Nexus Study

    Full analysis of where you have a sales tax obligation - before an auditor finds it first.

    Voluntary Disclosure Agreement (VDA)

    Resolve past exposure voluntarily with reduced penalties and a limited lookback period.

    Reverse Sales Tax Audit

    Recover overpayments on exempt purchases - software, cloud services, R&D supplies, and resale items.

    Where We Serve

    Sales Tax Services Across California

    We handle sales tax compliance remotely for startups across California and
    in all 50 states where you may have nexus. Select your city to get started.

    Now Serving

    Riverside

    Inland Empire startup hub. Home to ExCITE Riverside, UC Riverside, and a growing cleantech and AI ecosystem.

    Coming Soon

    San Diego

    Biotech, defense tech, and SaaS hub. Home to Techstars San Diego and UC San Diego spin-offs.

    Coming Soon

    Los Angeles

    Media tech, fintech, and consumer startups. One of the largest startup ecosystems in the U.S.

    Coming Soon

    Sacramento

    State capital and growing tech hub. Home to a strong govtech, cleantech, and agtech startup scene.

    Coming Soon

    San Francisco

    AI, SaaS, and deep tech. Home to Y Combinator and the highest startup density in the U.S.

    Stop Guessing On Sales Tax

    Know Exactly Where Your California Startups Owes -
    Before an Auditor Tells You

    One free consultation is all it takes. We assess your sales activity, identify your nexus exposure, and give you a straight answer on what you owe and what it costs to fix.

    Free Initial Consultation. $249/filing for ongoing compliance