Start & Grow Your Business
in the United States
Company formation to banking: every U.S. business solution you need.
Get StartedNo hidden charges · Fast turnaround · Global founders
All the essentials to launch in the U.S.
From LLC formation to sales tax compliance—pick what you need, skip what you don’t.
LLC Formation
Fast filings in WY, DE, FL & more. Articles, operating agreement, EIN add-on.
EIN / IRS Setup
EIN for residents & non-residents. We handle IRS correspondence.
Sales Tax Registration
Seller permits & accounts in any state. Nexus guidance included.
Exemption Certificates
Resale & exemption certificates prepared correctly for your use case.
Everything You Need to Start & Run Your U.S. Business
From LLC formation to IRS registration, EcomifyUSA provides fast, affordable setup services designed for global founders who want to do business in the United States.
🧾 LLC Formation
We handle complete LLC filings across major U.S. states including Wyoming, Delaware, and Florida. You’ll receive properly drafted formation documents, operating agreement, and state-approved registration — ready for bank account setup or Payoneer verification.
Get Started💼 EIN / IRS Setup
Whether you are a U.S. citizen or an international founder, we apply for your Employer Identification Number (EIN) directly from the IRS. Our team manages the paperwork and correspondence, ensuring a valid tax ID within days.
Apply for EIN🧾 Sales Tax Registration
We register your business for state sales tax permits and reseller accounts nationwide. Get Nexus guidance, account setup, and submission of DR and MO forms without worrying about complex compliance requirements.
Register Now📜 Exemption Certificates
We prepare resale and exemption certificates so your business can purchase goods tax-free where applicable. All documents are formatted according to state requirements and verified for accuracy.
Get CertificatesHow it works
Three quick steps to get your U.S. company live.
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1
Choose state & package
We recommend WY/DE for most non-residents. Pick add-ons only if you need them.
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2
We file LLC & EIN
Articles, operating agreement, EIN. Typical turnaround a few business days.
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3
Sales tax & banking
Register where you sell, set up accounts, and stay compliant. We guide you.
Level 2 seller with 5.0 ★ rating delivering LLC formation, EIN/IRS, and sales tax services.
“Super fast and accurate. Got my Wyoming LLC and EIN without hassle. Clear communication.”
“Handled multi-state sales tax registrations perfectly. Explained nexus and saved me time.”
“Professional and honest. Set up my Delaware LLC and guided bank account requirements.”
What Our Clients Say
Real feedback from verified Google customers who trusted SalesTaxUS LLC.
EXCELLENT Based on 23 reviews Posted on Julijus AleksovasTrustindex verifies that the original source of the review is Google. Professional and quick servicesPosted on muhammad afzalTrustindex verifies that the original source of the review is Google. Very professional and timely work , highly recommendedPosted on DelandoTrustindex verifies that the original source of the review is Google. GreatPosted on Qamar ShamimTrustindex verifies that the original source of the review is Google. I recently had the pleasure of utilizing SalesTaxUS LLC, a professional company formation service in the USA, and I am compelled to share my highly positive experience. From start to finish, SalesTaxUS LLC demonstrated an unwavering commitment to excellence, making the process of establishing my company seamless and stress-free. The expertise exhibited by SalesTaxUS LLC in navigating the complexities of company formation in the USA was truly commendable. One standout aspect of my experience with SalesTaxUS LLC was their responsiveness and accessibility. In conclusion, I wholeheartedly recommend SalesTaxUS LLC to anyone seeking professional and reliable assistance with company formation in the USA. Their dedication to excellence, extensive knowledge, and exceptional customer service make them a standout choice in the field. My experience with SalesTaxUS LLC has been nothing short of outstanding, and I am grateful for their integral role in the successful establishment of my business.Posted on Imperial Universal 2Trustindex verifies that the original source of the review is Google. Excellent service provided for opening the LLC in US. Highly recommended.Posted on Tahir NadeemTrustindex verifies that the original source of the review is Google. Excellent Service, highly recommended.Posted on Ravi PatelTrustindex verifies that the original source of the review is Google. Highly recommend. Painless and easy.Posted on Osman ABDTrustindex verifies that the original source of the review is Google. Sales Tax US LLC team is very cooperative and accommodating for any sales tax exemption service in United state of America. Highly recommended.Posted on Obaid KhanTrustindex verifies that the original source of the review is Google. Great service and communicationPosted on Wilda ProfiliceTrustindex verifies that the original source of the review is Google. This company was of great help to me they were very responsive & and patient and made everything smooth really appreciate the help .Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
FAQ
Your most common questions answered — from LLC setup to EIN, banking, and sales tax compliance.
How long does it take to form an LLC?
Usually 1–3 business days in Wyoming or Delaware. Other states may take up to a week.
Can I form an LLC if I’m not a U.S. resident?
Yes — non-U.S. founders can register LLCs and obtain EINs remotely. We handle all filings.
Do I need a U.S. address for registration?
No, your registered agent address can be used for state filings and official correspondence.
Can I open a U.S. bank account online?
Yes, several U.S. fintech banks support international LLC owners. We’ll guide you through compliant setup.
What is a registered agent, and why do I need one?
A registered agent is required in every state to receive legal mail and notices on your behalf.
What’s the difference between an EIN and ITIN?
EIN is for businesses, ITIN is for individuals. EINs are required for tax filings and banking.
Do I need a sales tax permit in every state?
Only where you have nexus — such as inventory or significant sales. We’ll determine the states for you.
What documents are needed for exemption certificates?
EIN, resale info, and sales tax number are typical. We prepare and file your certificates correctly.
Do I need a U.S. phone number or address for EIN?
No, you can use your agent address and email. We handle IRS communication on your behalf.
How much does a full LLC package cost?
Our complete package starts from $99 + state fees — includes filings, EIN, and document delivery.
LLC Requirements by State
Click a state or choose from the list.
Contact Us
Have questions or need help starting your U.S. business? Get in touch with us directly — we’re here to assist every step of the way.
- Company: SalesTaxUS LLC
- Email: info@ecomifyusa.com
- Phone: +1 (307) 218-0376
- Primary Address: 30 North Gould Street, Ste R, Sheridan, WY 82801, USA
Prefer email? Write us at info@ecomifyusa.com