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1,423 plain-English guides on cross-border moves, US and Canadian returns, and small-business money. Each one ends in what to do next, and says when a written Position Check is the smarter first step.

CROSS-BORDER A Canadian Corporation With a U.S. Shareholder
  • What applies to you
  • What it costs if you wait
  • What to do next
1,423 guides
Small Business Tax

Web and Software Developer Deductions: The Hardware, the Subscriptions, the Offshore Contractor With No 1099, the Product You Build on Your Own Time, and the Client in Another State

October 4, 2026

Tax deductions for freelance web and software developers and small development shops: computers and equipment, the software and hosting stack, the home office, contractors and subcontractors including foreign developers and Form W-8BEN, research costs under Section 174A for a product the developer owns, education and conferences, platform fees and Forms 1099-K, income from clients abroad, and sales tax on custom versus prewritten software.

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Small Business Tax

Web and Software Developer Entity and Estimated Taxes: The Loan-Out S Corporation, the Product Company That Should Be a C Corporation, the Client in Twelve States, and the Quarterly on Retainer Income

October 4, 2026

Entity structure and estimated taxes for developers and development shops: the freelancer's LLC and the S election at a senior engineer's salary, why a product with investors or a planned sale belongs in a C corporation and the qualified small business stock exclusion, keeping services and product in separate entities, clients in many states and market-based sourcing, estimated taxes on retainers and milestone payments, and foreign clients.

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Small Business Tax

Welding Business Deductions: The Rig on the Truck, the Gas Cylinders You Rent, the Consumables, the Certification Tests, and the Fabrication Labor Florida Taxes

October 4, 2026

Tax deductions for welders and small fabrication shops: welding machines, plasma cutters, and the mobile rig truck, cylinder rental versus purchase, rod, wire, gas, and abrasives as supplies, steel and materials for fabrication jobs, certification testing and renewals, personal protective equipment, hot work insurance, the shop lease and ventilation, and Florida sales tax on fabrication labor versus real property installation.

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Small Business Tax

Welding Business Entity and Estimated Taxes: The LLC for the Weld That Fails, the S Election After the Second Rig, the Progress Payments, and the Quarter the Shutdown Job Pays

October 4, 2026

Entity structure and estimated taxes for welders and fabrication shops: the LLC for liability on structural work, the S election once a second welder's rig produces profit beyond the owner's hours, project-based income and progress payments, estimated taxes when a large industrial job pays in one quarter, long-term fabrication contracts and the completed contract method, employees versus subcontracted welders, and Florida workers' compensation for construction-classified work.

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Small Business Tax

Window Cleaning Deductions: The Water-Fed Pole and the Pure Water System, the Lifts and the Rope Access, the Route, the Residential Jobs Florida Doesn't Tax and the Commercial Jobs It Does

October 4, 2026

Tax deductions for window cleaning companies: water-fed poles and deionization systems as equipment, squeegees and supplies, ladders, lifts, and rope access gear, vans, crews as employees, recurring commercial route contracts, high-rise insurance, and Florida's sales tax on nonresidential window cleaning versus exempt residential work.

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Small Business Tax

Window Cleaning Entity and Estimated Taxes: The LLC for the Fall, the S Election on Route Income, the Technicians on Payroll, the Taxable Half and the Exempt Half, and the High-Rise Contract That Changes the Insurance

October 4, 2026

Entity structure and estimated taxes for window cleaning companies: the LLC for falls and broken glass, the S election once recurring commercial route income exceeds an operations manager's salary, technicians as employees, books that separate taxable commercial from exempt residential revenue, estimated taxes on steady route income with a spring residential peak, and the high-rise contract that brings new insurance and classification.

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Small Business Tax

Window Tinting Deductions: The Film That Is Inventory, the Plotter and the Heat Gun, the Auto Tint Florida Taxes in Full and the Home Tint It Doesn't, the Dealer Agreement, and the Legal Limit

October 4, 2026

Tax deductions for window tinting businesses: film as inventory, plotters, heat guns, and the bay as equipment and build-out, vans for mobile work, the three Florida sales tax treatments (auto tint as a taxable installation on tangible property, residential and commercial flat-glass tint generally as a real property improvement, and retail film sales), film manufacturer dealer agreements, technicians, and Florida's visible light transmission limits.

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Small Business Tax

Window Tinting Entity and Estimated Taxes: The LLC, the S Election at the Fourth Bay, the Mobile Tinter, the Auto Line and the Flat-Glass Line, and the Dealer Program That Shapes the Shop

October 4, 2026

Entity structure and estimated taxes for window tinting shops and mobile tinters: the LLC for the damaged vehicle and the failed film, the solo mobile tinter as a sole proprietor, the S election once a multi-bay shop's profit exceeds a shop manager's salary, technicians on payroll, books that track automotive and flat-glass lines with different sales tax, estimated taxes on steady auto work with a seasonal flat-glass peak, and film manufacturer dealer programs.

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Small Business Tax

Yoga Studio Deductions: The Build-Out, the Props, the Instructors Who Are Employees, the Music License, the Retail Wall, and When Florida Taxes the Membership as an Admission

October 4, 2026

Tax deductions for yoga and fitness studios: the leased studio and its build-out as qualified improvement property, mats, blocks, and props, instructors as employees versus contractors, music licensing, studio management software, teacher training for the owner, retail mats and apparel as taxable inventory, insurance, and when Florida's sales tax applies to memberships as admissions to a physical fitness facility — and when instruction-only class fees fall outside it.

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Small Business Tax

Yoga Studio Entity and Estimated Taxes: The LLC, the S Election at the Second Room, the January Membership Spike, the Unlimited Pass That Is Deferred Revenue, and the Instructor Payroll

October 4, 2026

Entity structure and estimated taxes for yoga and fitness studios: the LLC for the injury in class, the S election once profit exceeds a studio director's salary, annual memberships and class packs as advance payments under the cash and accrual methods, estimated taxes around the January and September sign-up peaks, instructors on payroll, the admissions tax liability in the books, and selling a studio with a membership base.

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Cross-Border Tax (U.S.–Canada)

Canadian Contractor Working U.S. Job Sites: The Construction Permanent Establishment, State Contractor Licensing, and Withholding on U.S. Work

October 1, 2026

A Canadian contractor taking a U.S. job — an installation, a construction project, a specialty trade subcontract — performs its work on U.S. soil, and the treaty has a specific rule for construction sites: a site that lasts more than twelve months is a permanent establishment. Shorter projects are protected from federal tax, but the states, the contractor licensing boards, the workers' U.S. tax and immigration, and the client's withholding all still apply. Here is each.

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Cross-Border Tax (U.S.–Canada)

Canadian Corporation With U.S. Investment Income: The W-8BEN-E, the Limitation on Benefits, and the Portfolio That Makes a CCPC Pay More

October 1, 2026

Canadian private corporations often invest their retained earnings in U.S. stocks — and the U.S. dividends arrive with withholding, the corporation's W-8BEN-E decides whether it's 15 percent or 30 percent, and the treaty's limitation-on-benefits test decides whether the corporation can claim the treaty at all. On the Canadian side, the U.S. dividends are foreign investment income taxed at the high refundable rate, with the foreign tax credit rules for a corporation. Here is each layer, and the U.S. estate tax question the corporation helps answer.

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