Entity Formation• LLC / C-Corp / S-Corp
US Business Incorporation · Bylaws & EIN One-Stop
Complete US entity formation covering Secretary of State filings, corporate bylaws, operating agreements, and IRS EIN acquisition with bilingual CPA tax structuring.
New US Startup Founders
Establishing LLCs or C-Corps to protect personal assets and attract investor capitalization.
New StartupSole Proprietor to Corporate Transition
Transitioning sole proprietorships into corporations to optimize tax bracket structures.
Sole Prop to CorpKorean Companies Expanding to US
Establishing US subsidiaries or branch offices for Korean corporate parents.
US SubsidiaryStart with an LLC for liability shield or C-Corp for fundraising, then elect S-Corp tax status as profits grow to minimize taxes.
Full corporate kit delivered with state-certified articles, bylaws, and official IRS EIN CP575 confirmation letters.
Key Features & Core Benefits
Strict IRS compliance and maximum refund accuracy.
Entity Choice & Tax Structuring
Comparing pass-through taxation versus corporate tax rates for maximum tax efficiency.
State Incorporation Registration
Filing Articles of Incorporation/Organization with the state Secretary of State office.
Corporate Bylaws & Operating Agreements
Drafting state-compliant Corporate Bylaws and LLC Operating Agreements.
Shareholder Equity & Stock Issuance
Structuring authorized share counts and par value definitions for initial equity distribution.
Foreign Ownership & Capital Inflow
Guiding non-resident foreign shareholder rules and international capitalization protocols.
EIN & Business Tax Account Setup
Direct transition to IRS EIN acquisition and state business tax account setups.
Simple 4-Step Process
Track your filing progress transparently online.
Name Check & Structure Choice
Conducting state name availability searches and finalizing corporate entity forms.
State Formation Registration
Filing Articles of Organization/Incorporation with state agencies.
Bylaws & Operating Agreement Draft
Formulating legal bylaws, initial organizer resolutions, and operating agreements.
EIN & Corporate Kit Delivery
Delivering completed corporate binders with official state approvals and IRS EIN letters.
Frequently Asked Questions
Find clear answers to common questions about filing US taxes with TPT Tax.
Real Reviews from Satisfied Clients
Read authentic, verified 5-star reviews from clients who trusted TPT Tax with their US filings.
sarah
04/19/2026
It explains and solves what I want to know in a very easy and clear way.
Joshua Lee
12/19/2025
Very reliable tax service. Received a hefty tax return with their help. Highly recommend.
Terry Kim
08/24/2025
Top Priority filed my tax return from the last year. I'm very satisfied his services and explanations. Mr. Shin made us understanding my situation and was able to prepare the next year tax plan. I definitely recommend my friends and neighbors. Go and try him!!!
Mee Sun Kim
07/30/2025
CPA, Rev. Lee was very fast and kindness. Satisfied!!
terri ong
05/11/2025
Excellent customer service and support. Very knowable ! …
Sydney Joo
05/06/2025
Thank you for your informative seminar.
Kevin Kim
04/28/2025
I attended tax seminar and get good feedback. I strongly recommend.
Deogsoon Jeong
02/24/2025
Very friendly and cheap solution to my tax problem
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10/05/2024
Very professional, knowledgable, with quick turnaround times. Will definitely be coming back next time
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07/13/2024
Top priority tax and the accounting is the place to go to do your taxes. Mr. Shin is so helpful throughout the whole process. I highly recommend using this service for your tax and accounting needs.
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07/10/2024
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Connie Kim
05/05/2024
The tax accountant provides quick, professional service and is extremely knowledgeable and informative. Despite my walk-in appointment on short notice, he took the time to thoroughly explain everything and share valuable insights. I highly recommend him to anyone in the Orange County area.
P J
04/29/2024
This company handled all my matters very accurately and promptly.
Jay Yoon
04/02/2024
Mr. Shin is very kind and helpful. He is a professional cpa and knowledgeable.
Joyce
12/29/2023
I did my tax return here, and you helped me quickly, quickly, and very kindly! I'll take good care of your tax report. I strongly recommend it!
Eugene Choi
12/01/2023
The service was phenomenal and Mr.Shin was so helpful throughout the whole process. Prices are really great and I can promise Mr.Shin puts his whole heart into his work. I highly recommend this service to everyone!!
Form Your US Business Entity Today
One-stop corporate formation including Secretary of State filing, bylaws, and official IRS EIN CP575.