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  • Partnership Tax Filing Requirements vs LLC Tax Filing Requirements

    • May 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: General
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    Who This Guide Is For: Business owners choosing between a partnership and an LLC (or already operating as one) who want clear, practical tax filing requirements, deadlines, and what forms to expect at federal and state levels. Key Takeaways Most partnerships and multi-member LLCs file an annual federal return on Form 1065, due March 15

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  • Washington B&O Tax vs Washington Sales Tax: A Guide for New Sellers

    • May 21, 2026
    • Posted by: OTIN Editorial Team
    • Category: General
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    Key Takeaways Washington’s Business & Occupation (B&O) tax applies to gross receipts and is separate from retail sales tax—many businesses owe one, the other, or both. Washington’s statewide sales tax rate is 6.5%, and most locations add local rates, creating different combined rates by city. Registration, filing, and payments are handled through the Washington State

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