Resources
Tax & Business Insights
Practical tax, bookkeeping, payroll, and small business guidance from the SK Financial team.

Federal Estimated Tax Payments 2026 in the USA
If you need to pay estimated taxes in 2026? Learn who must pay federal estimated taxes in 2026, key deadlines, safe harbor rules, and how to avoid costly mistakes at tax time.
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What are the major types of Federal Excise Taxes, and Who Pays Federal Excise Tax?
Understand federal excise tax, including types, real-life examples, and filing rules. How it applies to fuel, flights, and products and how businesses file Form 720.
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What are Federal Income Tax Liabilities?
Not sure about your federal income tax liability or surprised by a tax bill? Learn how it’s calculated, why you may owe or get a refund, and smart ways to reduce your tax liability before filing.
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What is federal tax ID number? Why a Federal Tax ID Number Is Important
Federal tax ID number formally called an Employer Identification Number (EIN) is a unique nine-digit number the IRS gives to businesses. This number identify your business for tax purposes.
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Form 1120, U.S. Corporation Income Tax Return
Form 1120 is the federal income tax return that C corporations use to report income, deductions, and taxes owed. If you own a C corporation you'll need to fill out Form 1120
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What is Form 2290? Why do you need to file a Form 2290?
If your truck weighs 55,000 pounds, the IRS expects you to file this Form 2290, every year. Tax can go as high as $550 annually per vehicle.
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What Is Form 8594? When Do You Need to File Form 8594
Form 8594 is a tax form used when someone buys or sells a business but only when it’s an asset sale, not a sale of stock or company shares. Both the buyer and the seller have to fill out Form 8594.
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What Is Form 8962, Premium Tax Credit?
Form 8962 calculates and reconciles the Premium Tax Credit if you bought health insurance through the Marketplace and received financial assistance.
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What Is Form 941? Who Needs to File Form 941?
Form 941 is the one IRS form you can't afford to skip if you have employees. It's the quarterly tax form that shows how much federal income tax, Social Security, and Medicare.
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Is Health Insurance Tax Deductible?
When health insurance is tax-deductible and how IRS rules apply to you. Learn about the 7.5% AGI threshold, self-employed deductions, and ways to maximize your tax savings
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How Long to Keep Tax Records? Step-by-step guideline
How long to keep tax records? IRS generally recommends keeping tax records for three years, but in some situations you may need to hold on to them for 6 six years
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How to file a tax extension? Important tips for tax year 2026
How to file a tax extension with the IRS? Key deadlines, Form 4868, payment rules, and how to avoid penalties while getting more time to file.
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