
Julian Drago
October 16, 2025
Complying with U.S. tax regulations can be challenging—especially when you manage your business from abroad. Tax laws evolve frequently, deadlines are strict, and small mistakes can lead to penalties or the loss of benefits. That’s why having professional tax services is not only about compliance but also about protecting your company’s financial stability and growth.
At Openbiz, we help entrepreneurs and foreign-owned businesses handle their U.S. taxes with precision, transparency, and efficiency—so they can focus on what really matters: operating and growing confidently.
Tax services include all the actions involved in calculating, filing, and maintaining compliance with federal and state taxes. This covers submitting forms to the IRS, filing state annual reports, registering for Sales Tax, keeping monthly accounting, and obtaining your ITIN or EIN when needed.
The goal is to ensure your business meets all tax obligations while taking advantage of available deductions and avoiding delays or penalties.
Owning a company in the United States means following detailed tax rules at both federal and state levels. However, many foreign entrepreneurs are unaware of the requirements, forms, and deadlines they must meet.
Having specialized tax services allows you to:

Openbiz provides scalable solutions for every business stage—from companies that only need annual filings to those requiring full financial and tax management.
Price: $1,200 / year
Designed for established companies that need to remain compliant with U.S. tax regulations.
Includes:
This plan ensures your company stays compliant with the IRS and state authorities throughout the year.
Price: $3,997 / year
Perfect for businesses in operation that need continuous tax and accounting support.
Includes everything from the Tax plan, plus:
This plan gives you complete visibility of your company’s finances through monthly reports and ongoing management.
Price: $6,000 / year
Created for established companies or partnerships seeking advanced fiscal management and full-time support.
Includes everything from the Full Compliance plan, plus:
The Enterprise plan delivers total control over your company’s accounting and tax obligations, tailored to complex business structures.
In addition to our main tax plans, Openbiz also offers the ITIN (Individual Taxpayer Identification Number) as an independent service.
Price: $350 / one-time fee
The ITIN is essential for individuals who are not U.S. citizens or residents but need to handle tax-related activities in the United States.
It allows you to:
Obtaining an ITIN is the first step toward operating legally and efficiently within the U.S. financial and tax system.
Your choice depends on your company’s size and operations:

They include the preparation and filing of federal and state tax returns, annual financial reports, and accounting compliance with the IRS and local authorities.
Yes. The ITIN can be obtained separately for individuals who need to operate legally or fulfill tax obligations in the U.S. without being residents.
Yes. Even inactive companies must file annual returns to remain in good standing and avoid penalties.
Each plan increases the level of support: Tax covers annual compliance, Full Compliance adds monthly accounting and Sales Tax registration, and Enterprise includes full fiscal management and partner services.
Managing taxes in the United States doesn’t have to be complicated. At Openbiz, we provide tax services tailored to your needs—from obtaining your ITIN to complete fiscal and accounting management.
Our team takes care of every detail so your business can operate confidently, stay compliant with U.S. regulations, and focus on growth.
Contact us today to learn how our tax services can help you stay compliant and optimize your company’s financial performance.