Guides
R&D Credit and Mileage: Federal Rules for Boston and Chicago Firms
Business tax deductions and mileage beside the R&D credit: the federal Section 41 claim on Form 6765, the payroll election, state rates, and the records.
Desk
Analysis Desk
The measurements behind tax deduction mileage, with the method stated alongside the result.
Costs
Are Sales Tax Registration and Filing Fees Deductible on Schedule C?
Sales tax registration and filing fees are deductible business expenses. Here is what Texas and Illinois sellers can write off, and how mileage fits.
Guides
Self-Employed Deduction Order: Mileage, SEP-IRA and Quarterly Tax
Self-employed deduction order: standard mileage, SEP-IRA contributions and quarterly tax decide how a lean year and a strong year are funded.
Rules
How Marriage Changes Your IRS Filing Status as a Sole Proprietor
Your IRS filing status after marriage turns on December 31 and changes your standard deduction, Section 179 limit, payroll and estimates.
Industry
Once a year, every month, before it's late: a tax deadlines checklist
A tax deadlines checklist splits into yearly, monthly and late-stage tasks, with named federal dates and the six columns every calendar line needs.
Guides
Rate mechanics or registration judgment: what a sales tax service actually sells
Sales tax help splits into rate mechanics and the judgment call about where you must register. What each is worth, and the five questions to ask a provider.
Guides
Schedule K-1 structures compared: allocation, basis and owner pay differ
Schedule K-1 statements look alike across entity types. What differs underneath: allocation flexibility, how basis is built, and how owner pay is handled.
Reviews
Schedule K-1 checklist for a late or wrong statement
A Schedule K-1 checklist for when the statement is late or looks wrong: the dates, the extension and estimate, what to ask the entity, and what to keep.
Costs
Log, category, method: the three passes of a mileage rates review
Mileage claim review in three passes: read the log first, then the category of each trip, then the method the vehicle is on, and know when to stop.
Guides
1099 tax basics for American creators earning image licensing income
Creator rights and image consent online meets US tax reality: how 1099-NEC and 1099-K forms, self-employment tax and state sales tax apply to licensing income.
Maintenance
How mileage rates services differ, and what they cost
Mileage services split into trip-capture apps and licensed preparers. Here is what each charges, what each does, and how to check a credential.
Guides
IRS tax checklist for US analytics contractors, from 1099s to quarterly taxes
Business analytics and intelligence contractors file Schedule C, pay quarterly estimated taxes, handle 1099-NEC forms, and claim deductions. Here is the checklist.
Rules
Business Gifts, Awards, Noncash Payments and Borrowed Property: How the IRS Treats Them
How the IRS treats noncash business payments, client gifts, employee awards and borrowed property, plus deduction limits and records for US contractors.
Rules
Tax treatment of US home office storage under IRS rules
Home office storage tax deduction rules under IRS Publication 587: built-in shelving, exclusive-use tests, Form 8829, depreciation and records.
Guides
Mileage and Deductions for US Businesses Driving to Canadian Clients
Business mileage and deductions for US owners who drive to Canadian clients: dated logs, the 2025 IRS rate, parking and meals, and the Form 1116 foreign tax credit.
Guides
Standard Mileage Rate vs. Actual Vehicle Expenses
Compare the 2025 standard mileage rate with actual vehicle expenses, including deduction calculations, first-year method choices, and business-mile records.
Industry
Seasonal mileage for Phoenix and Minneapolis real estate agents
Tax deduction mileage for Phoenix and Minneapolis agents swings with Arizona heat and Minnesota winters, reshaping annual totals and Schedule C car expenses.
Costs
IRS standard mileage rate or actual expenses in New York, NY
Tax deduction mileage in New York, NY: compare the IRS standard mileage rate with actual expenses using city gas, insurance, parking and toll figures.
Costs
Tax deduction mileage in Texas, Florida and Washington
Tax deduction mileage in Texas, Florida and Washington: how franchise, corporate income and B&O taxes decide whether a mileage claim cuts your state bill.
Guides
Actual Car Expenses vs Standard Mileage for a Low Business Use Vehicle
Actual car expenses vs standard mileage for low business use comes down to fixed costs you pay anyway. Compare the two methods before you pick.
Features
Which of the nine business deductions mistakes costs the most to fix
Nine business deductions mistakes sorted by whether each is a record problem, a split problem or a timing problem, and what each one costs to fix later.
Reviews
What business deductions cost to claim properly
Business deductions cost more than a preparer's fee: bookkeeping, software, review time, and the hidden price of records that were never made at all.
Features
Which state business tax services cover your state
State business tax services: the five jobs someone has to own, where a CPA license stops at the state line, and how to coordinate providers without gaps.
Rules
Does your entity tax treatment match what you file? A checklist
Entity tax treatment checklist for matching your filings to your classification: the return, the payroll forms and the state filings each one should produce.
Industry
Six invented cases where entity classification met the paperwork
Entity tax treatment examples: six invented cases where belief and paperwork disagreed, plus the one document to find before your next return is prepared.
Rules
How federal business tax costs add up over a year
Federal business tax cost is fees, systems, your own hours and the price of mistakes, and each one grows with states, payroll and messy books.
Industry
Federal business tax mistakes: nine practical fixes
Federal business tax mistakes often start with stale records, missed estimates, unclear entity status, or ignored notices. Nine fixes show what to check.
Maintenance
Federal business tax rules: the sections behind a return
The federal business tax rules that govern a return, by name: IRC sections, Treasury regulations, the IRS forms they land on, and how to check the year.
Maintenance
IRS Mileage Rates and Logs: Methods, Business Miles and the First Year Choice
IRS business mileage rates by tax year, how the standard rate and actual expenses work, business miles, the first year choice, and a defensible mileage log.
Industry
A Schedule K-1 taxes you on someone else's arithmetic and timetable
A Schedule K-1 taxes you on someone else's arithmetic, on their timetable. The risks worth naming, the safeguards to agree early, and what to check.
Costs
5 pointers on state business tax requirements
Five pointers on state business tax requirements: what a state can tax, who writes the rule, how to read the rules, when to recheck and where to check.
Guides
State Business Tax Review: Compare Footprint and Filings
State business tax review, made practical: compare your footprint with filed returns, investigate gaps, and check state apportionment and filing records.
Features
Four calendars behind tax deadlines, compared side by side
Four separate calendars set business tax deadlines, and the annual return is the one least likely to cost you money, unlike payroll and sales tax filings.
Reviews
Tax Records and Audits: Does a Stack Prove a Deduction?
Tax records and audits: learn what records substantiate a business deduction, how long to keep them, and what to expect if the IRS examines a return.
Costs
Business deductions rest on a test, not a category list
Business deductions rest on a few tests, not on a category list. What has to be true, what has to be recorded, and where a claim usually falls apart.
Reviews
Entity Tax Treatment: Defaults, Elections, and When to Revisit
Entity tax treatment follows default rules or a filed election. Learn the forms, timing, return types, and signals that make it worth revisiting.
Features
7 points worth checking on state business tax
State business tax is dozens of separate systems, not one. What creates an obligation, which agencies you deal with, and how to find each state's rule.
Guides
Federal business tax obligations and filing basics
Federal business tax basics: how entity type shapes returns, estimated payments, payroll and contractor reporting, plus why tax figures must be tied to a year.