About United States
The United States is the world’s largest economy with unmatched access to capital, a deep talent pool, leading innovation ecosystems in tech, biotech, and finance, and the world’s largest consumer market.
Remotely Process Your U.S. C-Corp and LLC (filing as a C-Corp) tax filling
Simplify your United States Corporate Tax Return process with TKEG Expat's comprehensive US C-Corp and LLC (Filing As A Corporation) Basic Tax Return service. Our expert team ensures the seamless submission of Form 1120 to the Internal Revenue Service (IRS) for American C-Corps, alongside filing state income tax returns for your corporation's respective state. If your American company exceeds USD 250,000 in revenue or total assets, our solutions include the preparation of an additional balance sheet (1120 Schedule L) to comply with federal income tax requirements. We cater to LLC partnerships filing as corporations, facilitating Form 8832 submission to ensure compliance with the Internal Revenue Code. For foreign-owned corporations surpassing 25% equity, our service extends to Form 5472 submission. We also accommodate US companies with non-American resident shareholders or directors, managing the submission of Form 1040-NR. TKEG Expat, renowned for helping SMEs expand internationally, provides a streamlined approach to handling corporate tax liabilities, navigating the complexities of federal taxes, and ensuring adherence to state corporate tax rates. Whether it's managing costs of goods sold or understanding the nuances of net income tax, trust TKEG Expat to support your business in achieving compliance with ease.
Service Included
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Submit form 1120 to the Internal Revenue Service (IRS) for the American C-Corp company;Number of services already included in this product: 0.00
Product Requirement
U.S. C-Corp and LLC (filing as a C-Corp) tax filling's Requirements
TKEG Expat ™ aims to provide the most straightforward and professional service to our clients. Please use this "Product Requirement Table" to determine if you meet the basic requirement of this product, and if you need services that are not included in this product.
Need to submit form 1125-A
If your American company has transaction records in the current reporting fiscal year, you will need to pay the total transaction fees to TKEG Expat based on the number of transaction records and submit Form 1125-A.
Has Solutions?: Yes
Service Not Included in Product
Need to submit 1120 Schedule L form
If the US company's revenue or total assets exceed USD 250,000 in the current fiscal year, it is required to submit an additional balance sheet (1120 Schedule L) when filing federal income tax.
Has Solutions?: Yes
Service Not Included in Product
Need to submit form 5472
According to the regulations 6038A and 6038C of the Internal Revenue Service (IRS) of the United States, if the foreign ownership of the company's equity exceeds 25%, then Form 5472 needs to be submitted.
Has Solutions?: Yes
Service Not Included in Product
Need to submit 1120 Schedule G form
If the American company has any foreign or domestic company, trust, tax-exempt organization, individual directly owning 20% or more of the voting rights of the company, or indirectly owning 50% or more of all voting rights categories of the company, it is required to submit Form 1120 Schedule G.
Has Solutions?: Yes
Service Not Included in Product
Need to submit form 1040-NR
If the American company has non-American resident individuals serving as shareholders or directors, it needs to submit Form 1040-NR.
Has Solutions?: Yes
Service Not Included in Product
Need to submit form 8832
If the American company is an LLC partnership and wishes to file taxes as a corporation, it needs to submit Form 8832 to the Internal Revenue Service (IRS) in the United States.
Has Solutions?: Yes
Service Not Included in Product
TKEG Expat can only provide services to corporations and LLC partnerships that wish to file taxes as corporations.
If the company is an LLC partnership enterprise, TKEG Expat only supports providing services to single/multiple partner LLC partnership enterprises that wish to file taxes as a Corporation. If the U.S. LLC partnership enterprise has two or more partners, tax filing can be done through Yizhi Global's "U.S. LLC (2 partners or more) accounting and tax filing" service.
Has Solutions?: No
Service Not Included in Product
Form 1125-E must filed if this U.S. Company has more than $500,000 in total receipt AND deducts compensation for officers.
Form 1125-E must filed if this U.S. Company has more than $500,000 in total receipt AND deducts compensation for officers.
Has Solutions?: Yes
Service Not Included in Product
If the company has income generated from the state it's registered in. Please consult with your Customer Relationship Manager.
If the company has income generated from the state it's registered in. Please consult with your Customer Relationship Manager.
Has Solutions?: No
Service Not Included in Product
Document Requirement
We Need These To Help You With U.S. C-Corp and LLC (filing as a C-Corp) tax filling
TKEG Expat ™ aims to provide the most accurate and up-to-date information to our clients. Please use this "Document Requirement Table" to determine which documents you will need to submit to fulfill the product requirements. Please note, the requirements of document can change depending on your case.
This Company's Required Documents
Proof Of Registration / Business License
The registration certificate of this American company
Document Process: Not Applicable
Document Format: Scan Copy
Other Documents
This American company is certified by the Employer Identification Number (EIN) issued by the Internal Revenue Service (IRS)
Document Process: Not Applicable
Document Format: Scan Copy
Other Documents
The tax return form for the previous fiscal year of the American company (if available)
Document Process: Not Applicable
Document Format: Scan Copy
Learn More About How TKEG Expat Helped Other Businesses Succeed With U.S. C-Corp and LLC (filing as a C-Corp) tax filling
Case Study
United States Corporate Client
Start Date: January 26, 2026
Frequently Asked Questions
U.S. income tax rates vary depending on the state in which the corporation is incorporated, and generally range from about 8% to 21%. U.S. corporations must file their financial statements by April 15 following the end of their fiscal year (generally January 1 to December 31).
General CIT Rate
Federal corporate income tax: 21%. State CIT ranges from 1% to 10% (although some states do not impose CIT) and is deductible from the federal CIT.
CIT Payment Due Date
As of the 15th day of the 12th month of the tax year.
CIT Estimated Payment Due Date
Throughout the year, four equal instalments of estimated tax should be paid on the 15th day of the fourth, sixth, and ninth months of the tax year, and on the 15th day of the first month of the following year (April 15, June 15, September 15, and January 15).
Resident Withholding Tax (Dividend/Interest/Royalty)
0/10/3
None-Resident Withholding Tax (Dividend/Interest/Royalty)
30/30/30
General VAT Rate
NA
General Capital Gain Tax Rate
21% (aligned with the federal CIT rate for corporations)
Composite Effective Average Tax Rate
22.69
Composite Effective Marginal Tax Rate
7.03
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