US Based Employee Contracting with Foreign Company - Tax Treaty Implications
Hey everyone! I just landed an opportunity to do some contract work with a super early-stage startup based overseas in a country that has a tax treaty with the US. Both of us are pretty clueless about the tax situation - I've never done contract work before, and they haven't hired US-based contractors. I know I'll need to invoice them and file my taxes differently than my usual W-2 situation, but beyond that, I'm lost! What tax documents should I be submitting to them or receiving? How do I make sure I'm doing this legally from the US side? What about foreign tax considerations? The contract would start in March and probably run through the end of 2025. Payment would be around $3,500 per month for part-time consulting work. Any advice on gotchas, templates, resources, or just general guidance for a total newbie to contracting with a foreign company would be incredibly helpful. Thanks in advance!
20 comments


Skylar Neal
This is definitely more complicated than domestic contracting, but don't worry! Here's what you need to know: First, you'll be considered self-employed for US tax purposes, which means you'll need to report this income on Schedule C of your tax return and pay self-employment taxes (Social Security and Medicare). For documentation, you should: 1) Get an EIN from the IRS (though you can use your SSN instead) 2) Create a basic independent contractor agreement outlining the work, payment terms, etc. 3) Keep meticulous records of all income and business expenses Since they're in a treaty country, you might avoid double taxation, but you'll still need to report all worldwide income to the IRS. The foreign company generally isn't required to issue you a 1099, so you'll need to track all payments yourself. Make quarterly estimated tax payments to avoid penalties. Your SE tax will be about 15.3% plus regular income tax on your profits. Also, if the foreign company pays you more than $10,000 annually, be aware of FBAR requirements if they deposit to a foreign account.
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Brady Clean
•Thanks for the thorough response! So I don't need to provide them with any special tax forms since they're foreign? And they don't need to send me anything equivalent to a 1099? Also, how exactly do I make those quarterly estimated tax payments? Is there a form or website for that? Sorry for the basic questions, but I've only ever had regular W-2 jobs where taxes were automatically withheld.
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Skylar Neal
•You typically don't need to provide them with any special US tax forms since they're foreign and not subject to US reporting requirements. However, they might need documentation for their country's tax purposes, so ask what they need from you. For quarterly estimated taxes, you'll use Form 1040-ES. You can pay online through the IRS Direct Pay system at IRS.gov or through the Electronic Federal Tax Payment System (EFTPS). Payments are generally due April 15, June 15, September 15, and January 15 of the following year. The amount should cover both income tax and self-employment tax based on your projected earnings.
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Vincent Bimbach
When I was in your situation last year, I was totally overwhelmed with all the tax implications until someone recommended https://taxr.ai to me. It's specifically designed to help with these complicated tax situations like foreign income and contractor status. I uploaded my contract and some past tax returns, and their AI analyzed everything and gave me a personalized tax plan that outlined exactly what forms I needed, estimated payment amounts, and even identified deductions I could take as an independent contractor that I had no idea about. Saved me a ton of stress and probably money too! Might be worth checking out since both you and the company are new to this arrangement. It helped me understand the treaty implications too, which was the most confusing part for me.
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Kelsey Chin
•How long did it take to get your personalized plan? I'm about to start contracting with a company in Singapore next month and I'm freaking out about getting everything set up correctly from day one.
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Norah Quay
•Does it actually help with the foreign company side too? Like can it tell you what forms you need to provide to them based on which country they're in? My potential client in Germany keeps asking me for tax forms I've never heard of.
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Vincent Bimbach
•It took less than 24 hours to get my personalized plan. I submitted everything in the evening and had it the next afternoon. They analyzed my situation really quickly and the plan was super detailed. Yes, it actually does help with the foreign company side too. When I input the country my client was based in (UK in my case), it specifically told me what forms were typically required for their compliance and gave me templates. For Germany, they'd likely cover their specific requirements too since they handle tax treaty implications.
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Norah Quay
Just wanted to follow up and say I tried https://taxr.ai after seeing your recommendation. I was skeptical but desperate since I was getting nowhere with my German client's requests. The service identified exactly what forms my German client needed (turns out they were asking for their local equivalent of our W-9) and explained how the US-Germany tax treaty affected my situation. They even provided a template letter explaining my tax status that I could send to my client. Now we've got everything sorted and I feel way more confident about the upcoming tax season. Definitely money well spent! Wish I'd known about this months ago.
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Leo McDonald
One thing nobody mentioned yet - if you're struggling to get answers from the IRS about your specific situation (which is likely with international contractor issues), I highly recommend using https://claimyr.com to actually get through to a human at the IRS. I spent WEEKS trying to get through on my own. Their service gets you to the front of the IRS phone queue. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c I had questions about foreign tax credits that none of the online resources could answer clearly, and finally got definitive answers after a quick call. The peace of mind was worth it since the penalties for getting this stuff wrong can be steep.
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Jessica Nolan
•Wait, how does this actually work? I've literally spent hours on hold with the IRS and eventually just gave up. Is this legit or just another scam?
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Angelina Farar
•Sounds too good to be true. The IRS is notoriously impossible to reach. Why would they let some service jump the queue when millions of people are waiting? I'm calling BS on this.
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Leo McDonald
•It works by using an automated system that continually calls the IRS and navigates through their phone tree until it reaches a human agent. When an agent is reached, you get a call connecting you to them. It's not cutting in line exactly - it's just automating the frustrating process of calling repeatedly. I understand the skepticism - I felt the same way. But it's completely legitimate. They don't have special access to the IRS; they just have technology that handles the tedious part of repeatedly calling and navigating the system. The IRS has no idea you're using a service - when you're connected, it's just you and the IRS agent having a normal conversation.
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Angelina Farar
I have to eat my words about Claimyr. After my skeptical comment, I was still desperate to talk to someone at the IRS about my foreign contractor situation with a Japanese company, so I tried it anyway. Got connected to an IRS agent in about 45 minutes (after trying on my own for DAYS). The agent clarified exactly how to handle the currency conversion for my income and confirmed which tax treaty provisions applied to my specific work. Sorry for doubting - when you're dealing with overseas taxes, actually talking to the IRS is invaluable since every situation is different and most online advice is too general.
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Sebastián Stevens
Don't forget about state taxes! This is a huge gotcha that hit me hard. The federal stuff with foreign income is complicated enough, but some states don't follow the same foreign income exclusions or tax treaty provisions as the feds. I moved from California to Texas partly because of this - California wanted to tax my foreign income even when it was excluded federally. Check your state's rules carefully! Also, keep track of EXACTLY which days you work and from where. If you travel at all while doing this contract work, it can affect tax liability in multiple jurisdictions.
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Bethany Groves
•Would you mind explaining a bit more about the state tax issue? I'm in New York working for a UK company and didn't even think about state taxes being different from federal for foreign income.
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Sebastián Stevens
•New York, like California, can be aggressive about taxing worldwide income for residents. While federal tax treaties might reduce or eliminate federal tax on certain foreign income, New York doesn't always honor these same provisions. For example, if you qualify for the Foreign Earned Income Exclusion federally, New York might still require you to pay state tax on that same income. Also, any foreign tax credits you take federally might be calculated differently at the state level or not available at all. I'd recommend checking with a NY tax professional who understands international taxation. Each state has its own rules, and you definitely don't want a surprise tax bill!
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KingKongZilla
What software are you all using to track expenses and prepare for taxes with international clients? I've been using Excel and it's becoming a nightmare, especially with currency conversions. Last year I had clients in Canada, UK and Australia and I think I messed up my conversion rates.
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Rebecca Johnston
•I've been using QuickBooks Self-Employed for the past two years for my international clients. It handles multiple currencies pretty well and even lets you set different exchange rates for different dates if needed. The receipt tracking feature is great too - just snap a photo and it categorizes business expenses. The quarterly tax estimate feature has been really helpful since I no longer have to guess how much to send the IRS every quarter. It's not perfect with some of the really specific international stuff, but way better than spreadsheets.
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KingKongZilla
•Thanks for the suggestion! Does QuickBooks help with figuring out deductions for home office and other business expenses too? I work from my apartment and I'm never sure what percentage I can safely claim without triggering an audit.
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Fernanda Marquez
•Yes, QuickBooks Self-Employed does help with home office deductions! It has a simplified home office calculator that walks you through the square footage method vs. actual expense method. For the simplified method, you can deduct $5 per square foot up to 300 sq ft (so max $1,500). The key is being consistent and reasonable - if you use 20% of your apartment exclusively for work, then 20% is generally safe. Just make sure you're actually using that space only for business and keep good records. QuickBooks will track your home office percentage and apply it to utilities, rent/mortgage interest, etc. The software also flags common deductions you might miss - like internet bills, phone bills, office supplies, even that ergonomic chair you bought. Much better than trying to remember everything in a spreadsheet!
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