Marcus Johnson

Tax Research Writer

Marcus Johnson is a tax research writer at LLCTax.co. He tracks IRS rule changes, state tax updates, and legislative developments that affect LLC owners—then translates them into actionable guidance.

He monitors federal and state tax code changes to ensure that every article on LLCTax.co reflects current law, not outdated information.

His specialty is making complex tax topics accessible. If you have read an article on LLCTax.co about FUTA, self-employment tax, or state-by-state comparisons, Marcus probably wrote the first draft and verified every number.

Areas of Expertise

IRS rule changes

FUTA and employment taxes

State-by-state tax comparisons

Tax brackets and filing thresholds

Self-employment tax

Articles by Marcus

Mar 14, 2026

LLC Costs in California: Your Complete Guide

Learn how much an LLC costs in California, including filing fees, taxes & ongoing expenses. Get expert tips to minimize costs from LLC Tax (llctax.co)

Mar 14, 2026

Texas LLC Cost: How Much Does an LLC Cost in TX

Discover how much does an LLC cost in Texas with LLC Tax. Learn about formation fees, annual costs, and tax benefits to minimize your expenses.

Mar 14, 2026

Start an LLC: How Much Does it Cost to Begin

Discover how much does it cost to start an LLC with our expert guide. Learn mandatory, ongoing, and additional costs to form your business with LLC Tax (llctax.co)

Mar 14, 2026

Maximize LLC Retirement Plan Tax Benefits

Discover top LLC retirement plans & unlock tax benefits with SEP IRAs, Solo 401(k) & more. Learn how to set up, manage & maximize tax savings with llctax.co

Mar 14, 2026

LLC Tax Filing Deadline 2026: Guide & Key Dates

Meet the LLC tax filing deadline with confidence. Learn key deadlines, form requirements & extension options for your business at LLC Tax (llctax.co) and avoid late penalties

Mar 14, 2026

LLC vs Sole Proprietorship Taxes: Which Saves You More?

Discover the tax differences between LLC vs sole proprietorship taxes with LLC Tax. Learn how to minimize your tax liability and maximize savings with our expert guide.

Mar 14, 2026

Sales Tax Calculator: Simplify LLC Tax Compliance

Use our expert-approved sales tax calculator to minimize your LLC's tax burden. Learn how to navigate sales tax obligations, deductions, and compliance with ease at LLC Tax.

Mar 13, 2026

LLC Tax Classification Options Explained: Guide

Discover LLC tax classification options explained in detail. Learn how to minimize tax burden with our expert guide at LLC Tax (llctax.co)

Mar 13, 2026

FUTA: Federal Unemployment Tax Guide

Learn about federal unemployment tax FUTA, calculate your tax liability, and file IRS Form 940 with LLC Tax's expert guide for small businesses and LLCs.

Mar 13, 2026

File Multi Member LLC Tax Return: Form 1065 Guide

Learn how to file multi member LLC tax return with Form 1065. Get expert guidance from LLC Tax (llctax.co) on eligibility, required documents, and deadlines.

Mar 13, 2026

Single Member LLC Tax Filing Requirements Guide

Discover single member LLC tax filing requirements, including Schedule C, Form 1040, and EIN needs. Learn how to navigate IRS rules with LLC Tax (llctax.co) expert guide and minimize your tax liability

Mar 13, 2026

What Tax Forms Does an LLC Need to File: A Guide

Discover what tax forms an LLC needs to file with our comprehensive guide. Learn about single-member, multi-member, and corporate tax forms to minimize your tax burden and stay compliant.

Mar 13, 2026

Tax on Overtime Pay: How it Works & What You Need to Know

Discover how tax on overtime pay how it works with LLC Tax. Get expert insights on deductions, calculations, and phase-outs to minimize your tax burden

Mar 13, 2026

Sales Tax for LLCs: Know Your Responsibilities

Discover sales tax for LLCs what you are responsible for, including registration, collection, and remittance. Get expert guidance from LLC Tax (llctax.co) to ensure compliance