Kruze Consulting — Accounting, Tax & CFO Services for Startups

Startup Tax Deadlines

Resources, best practices, and expert insights on Startup Tax Deadlines.

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Sales Tax and Nexus for Distributed Startup Teams

Sales Tax and Nexus for Distributed Startup Teams

Updated on Thu, Jan 22, 2026

Hiring in multiple states? Learn how sales tax and nexus rules work for distributed teams, where you may need to register, and how to stay compliant without drowning in complexity.

byKruze Consulting
October 31 Tax Deadlines for Startups

October 31 Tax Deadlines for Startups

Updated on Mon, Oct 28, 2019

Kruze Consulting has provided the links you need to see specific city tax calendars and find out about the deadlines which are due this Thursday, Oct 31st.

byKruze Consulting
July 2026 Startup Accounting & Tax Deadlines by City

July 2026 Startup Accounting & Tax Deadlines by City

Updated on Sun, Jun 21, 2026

Key July 2026 tax deadlines for startups, including federal, state, and major city dates, that founders should be aware of.

byKruze Consulting
March Tax Deadlines Every VC Backed Startup Needs to Know

March Tax Deadlines Every VC Backed Startup Needs to Know

Updated on Tue, Feb 24, 2026

Key tax deadlines for March 2026 for startup founders: Delaware Franchise Tax filing, ACA compliance forms (1095-B/C, 1094-B/C), and IRS extension options. Stay compliant with Kruze Consulting’s startup tax calendar.

byKruze Consulting
October 2026 startup tax deadlines

October 2026 startup tax deadlines

Updated on Sun, Sep 27, 2026

October 2026 Startup Tax Deadlines: Extended Form 1120 Returns, State Filings, and the San Francisco Gross Receipts Tax.

byBryan Long, MBA
September 2026 startup tax deadlines

September 2026 startup tax deadlines

Updated on Mon, Aug 17, 2026

Key September 2026 tax deadlines for startups, including federal estimates and major state, city, and local filing dates.

byBryan Long, MBA
Delaware Franchise Tax High or Incorrect

Delaware Franchise Tax High or Incorrect

Updated on Thu, Mar 30, 2023

Lower your Delaware franchise tax—learn why bills spike, how to use the Assumed Par Value method, and how startups avoid overpaying.

byKruze Consulting
Startup Year-End Checklist: Tax, Compliance & Planning

Startup Year-End Checklist: Tax, Compliance & Planning

Updated on Sun, May 8, 2022

Use this year-end checklist to organize startup books, capture R&D tax breaks, meet 1099/W-2 deadlines, and plan your finances for the year ahead.

byKruze Consulting
June 2026 Startup Accounting & Tax Deadlines by City

June 2026 Startup Accounting & Tax Deadlines by City

Updated on Tue, May 19, 2026

Key June 2026 startup tax deadlines, including federal quarterly estimates plus major state and local due dates by city.

byKruze Consulting
Key Startup Tax Deadlines: Federal and City Filings Due Feb 2026

Key Startup Tax Deadlines: Federal and City Filings Due Feb 2026

Updated on Thu, Jan 29, 2026

Don’t miss these February 2026 tax deadlines. Learn which federal forms C‑corp startups must file and key local due dates in Seattle, San Francisco, and Salt Lake City, with guidance from Kruze Consulting.

byKruze Consulting
April 2026 Startup Accounting & Tax Deadlines by City

April 2026 Startup Accounting & Tax Deadlines by City

Updated on Sun, Mar 29, 2026

Discover the key April 2026 tax deadlines for VC‑backed startups, including federal filings and major city‑specific dates in SF, NYC, Austin, Seattle, and more.

byKruze Consulting
Form 571-L for California Startups Explained

Form 571-L for California Startups Explained

Updated on Tue, Apr 30, 2019

If your startup has a location in California, then you likely have the pleasure of needing to file a 571-L SF Property Tax Statement. What is the Form 51-L?

byVanessa Kruze