Kentucky Small Business Taxes: The Employer’s 2025 Guide

Kentucky offers a vibrant environment for business with over 393,000 small businesses, employing about 42% of the state’s workforce. Whether you’re an established business owner or planning to start a new venture, understanding the tax landscape in Kentucky is crucial. This guide provides an overview of the various taxes small businesses in Kentucky must navigate, including tax rates, filing requirements, and deadlines.

Types of Business Taxes in Kentucky

Business owners in Kentucky may be subject to various taxes depending on their business structure, activities, and revenue. Here’s a breakdown of the main types of taxes:

  1. Corporate Income Tax

    • Applicable Entities: C corporations and entities taxed as C corps at the federal level

    • Tax Rate: 5%

    • Filing Requirements: File Form 720 by the 15th day of the fourth month after the tax year ends.

    • Estimated Payments: Required if liability exceeds $500. Payments are due quarterly on April 15, June 15, September 15, and December 15.

  2. Pass-Through Entity (PTE) Tax  

    • Applicable Entities: S corporations, partnerships, and LLCs with at least two members

    • Tax Rate: 4%

    • Filing Requirements: File Form 740-PTET by the 15th day of the fourth month following the close of the tax year.

    • Estimated Payments: Required if liability is expected to exceed $500 for an individual shareholder, partner, or member. Payments are due quarterly by April 15, June 15, September 15, and January 15.

  3. Sales and Use Tax

    • Applicable Activities: Retail sales and certain services

    • Tax Rate: 6%

    • Filing Requirements: File online monthly, quarterly, or annually based on sales volume.

  4. Withholding Tax

    • Applicable Entities: Employers with employees

    • Tax Rate: 4%

    • Filing Requirements: File and pay online twice monthly, monthly, quarterly, or annually based on withholding amounts.

  5. Unemployment Insurance Tax

    • Applicable Entities: Employers that 1) pay at least $1,500 in gross wages in a single calendar quarter or 2) have at least one worker performing service in any part of 20 different weeks out of a calendar year.

    • Tax Rate: Varies based on the business’s experience rating

    • Wage Base: $11,700

    • Filing Requirements: File quarterly reports (Form UI-3) by April 30, July 31, October 31, and January 31.

  6. Personal Property Tax

    • Applicable Entities: Businesses using personal property

    • Tax Rate: Based on property type and value

    • Filing Requirements: Report annually to the local Property Valuation Administrator (PVA) by May 15.

  7. Limited Liability Entity Tax (LLET)

    • Applicable Entities: C corporations, LLCs, S corporations, limited partnerships, and other businesses with limited liability

    • Tax Rate: The smaller amount of 0.095% of gross receipts or 0.75% of gross profits

    • Filing Requirements: File Form 720 or Form PTE by the 15th day of the fourth month after the tax year ends.

  8. Nonresident Withholding Tax

    • Applicable Entities: Pass-through entities with nonresident members

    • Tax Rate: 4% on distributive share income

    • Filing Requirements: File 740NP-WH by the 15th day of the fourth month following the close of the tax year.

How to File and Pay Kentucky Business Taxes

Business taxes in Kentucky can be filed and paid through various methods:

  • Online Filing and Payment: Use Kentucky Business One Stop for electronic submissions and payments.

  • Mail: Send forms and payments to the address provided on the form (where applicable).

Important Deadlines

Keep track of these key dates to avoid penalties:

  • Corporate Income Tax Returns: Due by the 15th day of the fourth month after the tax year ends

  • Estimated Tax Payments: Due quarterly on April 15, June 15, September 15, and December 15

  • Sales and Use Tax Returns: Due monthly, quarterly, or annually, based on sales volume

  • Withholding Tax Returns: Due twice-monthly, monthly, quarterly, or annually, based on withholding amounts

  • Unemployment Insurance Reports: Due quarterly by April 30, July 31, October 31, and January 31.

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Tax Credits and Incentives

Kentucky offers several tax credits and incentives for small businesses, including:

  • Kentucky Small Business Tax Credit program: A credit of $3,500–$25,000 per year for businesses with no more than 50 full-time employees that have 1) hired and sustained at least one new job in the last year, and 2) purchased at least $5,000 in qualifying equipment or technology.

  • Employer’s Unemployment Tax Credit: A credit of $100 per employee for businesses that hire unemployed Kentucky residents and maintain their employment for at least 180 consecutive days.

  • Inventory Tax Credit: A credit for businesses that timely paid tangible personal property taxes on inventory to a taxing jurisdiction in Kentucky.

  • New Markets Development Program Tax Credit: A credit of up to $10 million per fiscal year for businesses that make a qualified equity investment in a qualified low-income community.

  • Qualified Research Facility Tax Credit: A credit equal to 5% of qualified construction costs for certain taxpayers that construct and equip new facilities or expand or remodel existing facilities in Kentucky for qualified research purposes.

For more information, check out our article on business tax credits for Kentucky businesses.

Kentucky’s business tax breakdown by business type

Business taxes can get complicated, so we’ve included a chart that breaks down which taxes different business structures usually pay. 

Remember that pass-through entities don’t pay federal income taxes themselves—the obligation is passed on to their business owners or shareholders, who pay them through their personal income tax returns. 

Business type

Personal income tax

PTE election tax

Corporate income tax

LLET

Sales and use tax

Withholding tax

Unemployment tax

Federal income taxes

C corporation

No 

No 

Yes

Yes

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes

S corporation

Yes (pass-through), if not making the PTE election

Yes, if it makes the election

No 

Yes

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes (pass-through)

LLC

Yes (pass-through), if not making the PTE election

Depends on how it’s structured

Depends on how it’s structured

Yes

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes (pass-through)

Partnership 

Yes (pass-through), if not making the PTE election

Yes, if it makes the election

No

Limited partnerships and limited liability partnerships only

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes (pass-through)

Sole proprietorship

Yes (pass-through)

No 

No

No

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes, by way of individual income tax

File your Kentucky small business taxes with Gusto

As a business owner, your time and energy are valuable, finite resources. So, instead of managing your taxes manually, let Gusto give you a hand. Our easy-to-use software automatically files all your payroll taxes each time you run payroll—freeing up your bandwidth for the work that matters most. 

Learn how else Gusto can simplify the operations of your small business by creating an account today. 

Kentucky Small Business Taxes: The Employer’s 2024 Guide

Kentucky offers a vibrant environment for business with over 363,000 small businesses, employing about 42% of the state’s workforce. Whether you’re an established business owner or planning to start a new venture, understanding the tax landscape in Kentucky is crucial. This guide provides an overview of the various taxes small businesses in Kentucky must navigate, including tax rates, filing requirements, and deadlines.

Gusto | Online Payroll Services, HR, and Benefits

Run payroll and benefits with Gusto

Types of Business Taxes in Kentucky

Business owners in Kentucky may be subject to various taxes depending on their business structure, activities, and revenue. Here’s a breakdown of the main types of taxes:

  1. Corporate Income Tax

    • Applicable Entities: C corporations and entities taxed as C corps at the federal level

    • Tax Rate: 5%

    • Filing Requirements: File Form 720 by the 15th day of the fourth month after the tax year ends.

    • Estimated Payments: Required if liability exceeds $500. Payments are due quarterly on April 15, June 15, September 15, and December 15.

  2. Pass-Through Entity (PTE) Tax  

    • Applicable Entities: S corporations, partnerships, and LLCs with at least two members

    • Tax Rate: 4%

    • Filing Requirements: File Form 740-PTE by the 15th day of the fourth month following the close of the tax year.

    • Estimated Payments: Required if liability is expected to exceed $500 for an individual shareholder, partner, or member. Payments are due quarterly by April 15, June 15, September 15, and January 15.

  3. Sales and Use Tax

    • Applicable Activities: Retail sales and certain services

    • Tax Rate: 6%

    • Filing Requirements: File online monthly, quarterly, or annually based on sales volume.

  4. Withholding Tax

    • Applicable Entities: Employers with employees

    • Tax Rate: 4%

    • Filing Requirements: File and pay online twice monthly, monthly, quarterly, or annually based on withholding amounts.

  5. Unemployment Insurance Tax

    • Applicable Entities: Employers that 1) pay at least $1,500 in gross wages in a single calendar quarter or 2) have at least one worker performing service in any part of 20 different weeks out of a calendar year.

    • Tax Rate: Varies based on business’s experience rating

    • Wage Base: $11,400

    • Filing Requirements: File quarterly reports (Form UI-3) by April 30, July 31, October 31, and January 31.

  6. Personal Property Tax

    • Applicable Entities: Businesses using personal property

    • Tax Rate: Based on property type and value

    • Filing Requirements: Report annually to the local Property Valuation Administrator (PVA) by May 15.

  7. Limited Liability Entity Tax (LLET)

    • Applicable Entities: C corporations, LLCs, S corporations, limited partnerships, and other businesses with limited liability

    • Tax Rate: The smaller amount of 0.095% of gross receipts or 0.75% of gross profits

    • Filing Requirements: File Form 720 or Form PTE by the 15th day of the fourth month after the tax year ends.

  8. Nonresident Withholding Tax

    • Applicable Entities: Pass-through entities with nonresident members

    • Tax Rate: 4% on distributive share income

    • Filing Requirements: File 740NP-WH by the 15th day of the fourth month following the close of the tax year.

How to File and Pay Kentucky Business Taxes

Business taxes in Kentucky can be filed and paid through various methods:

  • Online Filing and Payment: Use Kentucky Business One Stop for electronic submissions and payments.

  • Mail: Send forms and payments to the address provided on the form (where applicable).

Important Deadlines

Keep track of these key dates to avoid penalties:

  • Corporate Income Tax Returns: Due by the 15th day of the fourth month after the tax year ends

  • Estimated Tax Payments: Due quarterly on April 15, June 15, September 15, and December 15

  • Sales and Use Tax Returns: Due monthly, quarterly, or annual filing based on sales volume

  • Withholding Tax Returns: Due twice-monthly, monthly, quarterly, or annually based on withholding amounts

  • Unemployment Insurance Reports: Due quarterly by April 30, July 31, October 31, and January 31.

Tax Credits and Incentives

Kentucky offers several tax credits and incentives for small businesses, including:

  • Kentucky Small Business Tax Credit program: A credit of $3,500–$25,000 per year for businesses with no more than 50 full-time employees that have 1) hired and sustained at least one new job in the last year, and 2) purchased at least $5,000 in qualifying equipment or technology.

  • Employer’s Unemployment Tax Credit: A credit of $100 per employee for businesses that hire unemployed Kentucky residents and maintain their employment for at least 180 consecutive days.

  • Inventory Tax Credit: A credit for businesses that timely paid tangible personal property taxes on inventory to a taxing jurisdiction in Kentucky.

  • New Markets Development Program Tax Credit: A credit of up to $10 million per fiscal year for businesses that make a qualified equity investment in a qualified low-income community.

  • Qualified Research Facility Tax Credit: A credit equal to 5% of qualified construction costs for certain taxpayers that construct and equip new facilities or expand or remodel existing facilities in Kentucky for qualified research purposes.

For more information, check out our article on business tax credits for Kentucky businesses.

Kentucky’s business tax breakdown by business type

Business taxes can get complicated, so we’ve included a chart that breaks down which taxes different business structures usually pay. 

Remember that pass-through entities don’t pay federal income taxes themselves—the obligation is passed on to their business owners or shareholders, who pay them through their personal income tax returns. 

Business type

Personal income tax

PTE election tax

Corporate income tax

LLET

Sales and use tax

Withholding tax

Unemployment tax

Federal income taxes

C corporation

No 

No 

Yes

Yes

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes

S corporation

Yes (pass-through), if not making the PTE election

Yes, if it makes the election

No 

Yes

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes (pass-through)

LLC

Yes (pass-through), if not making the PTE election

Depends on how it’s structured

Depends on how it’s structured

Yes

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes (pass-through)

Partnership 

Yes (pass-through), if not making the PTE election

Yes, if it makes the election

No

Limited partnerships and limited liability partnerships only

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes (pass-through)

Sole proprietorship

Yes (pass-through)

No 

No

No

Yes, if applicable

Yes, if you hire employees

Yes, if you hire employees

Yes, by way of individual income tax

File your Kentucky small business taxes with Gusto

As a business owner, your time and energy are valuable, finite resources. So, instead of managing your taxes manually, let Gusto give you a hand. Our easy-to-use software automatically files all your payroll taxes each time you run payroll—freeing up your bandwidth for the work that matters most. 

Learn how else Gusto can simplify the operations of your small business by creating an account today. 

Barbara C. Neff

Barbara C. Neff

has been writing about a variety of legal and other topics since 2001. She has a law degree and a master's degree in journalism.