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Whether you're invoicing your first international client, choosing the right payment method for your LLC, or building efficient billing workflows, the Invollc Journal covers the topics that matter to founders operating globally through a US entity.

US LLC 14 min read

Can a US LLC Invoice Clients Worldwide?

Find out whether a US LLC can legally invoice clients in any country, what changes across jurisdictions, and how to handle international invoicing professionally.

Marco Rossi
Marco Rossi ·
Payments 11 min read

Why Stripe May Reject Your US LLC (Common Mistakes Non-Residents Make)

Stripe is the go-to payment processor for US LLCs, but non-resident founders face a surprisingly high rejection rate. This guide explains the most common reasons Stripe rejects foreign-owned LLCs and exactly how to fix each issue before applying — from EIN mismatches to website compliance gaps.

Sarah Chen
Sarah Chen ·
US LLC 10 min read

Do You Need an EIN to Send an Invoice?

Clarify when an EIN is required on invoices, when clients expect it, and how this differs for domestic vs. international invoicing from a US LLC.

Sarah Chen
Sarah Chen ·
Guides 12 min read

Why Clients Pay Invoices Late (And How to Fix It)

Understand the real reasons clients pay invoices late and learn proven strategies to fix each one. Covers unclear payment instructions, long approval chains, missing reminders, and how invoicing workflows reduce late payments by 30-40%.

Sarah Chen
Sarah Chen ·
US LLC 13 min read

Hidden Costs of Running a US LLC as a Non-Resident

Beyond the $99 formation fee, running a US LLC as a non-resident costs $1,500-$3,500 per year in mandatory expenses most founders don't budget for. This guide breaks down every cost — registered agents, tax filings, banking fees, compliance — so you can plan accurately.

Marco Rossi
Marco Rossi ·
Templates 12 min read

Best Free Invoice Generators in 2026

A comparison of the best free invoice generators available in 2026. Covers features, limitations, and when you should upgrade to full invoicing software.

Sarah Chen
Sarah Chen ·
Guides 11 min read

How to Track Unpaid Invoices Without Losing Your Mind

A practical guide to tracking unpaid invoices as a freelancer or small business owner. Covers invoice statuses, follow-up cadence, spreadsheet vs software approaches, and how to build an accounts receivable system that runs itself.

Marco Rossi
Marco Rossi ·
US LLC 12 min read

Do Non-Residents Need to File a US Tax Return for an LLC?

The short answer: yes, you must file — even if you owe zero tax. Non-resident US LLC owners are required to submit Form 5472 and a pro forma 1120 every year. This guide explains what to file, when, how much it costs, and the $25,000 penalty for getting it wrong.

Sarah Chen
Sarah Chen ·
US LLC 14 min read

Can a Non-Resident Use a US LLC for SaaS or Online Business?

A US LLC is one of the most popular structures for non-resident founders launching SaaS products, digital services, and online businesses. This guide covers why it works, how to set up Stripe, handle sales tax, manage subscriptions, and structure your LLC for a software business.

Marco Rossi
Marco Rossi ·

Need a simpler way to invoice clients with your US LLC?

Invollc helps non-US founders create professional invoices, track payments, and manage billing — all designed for US LLCs.