Starting an accounting business in Connecticut in 2026 requires careful planning, including obtaining an Employer Identification Number (EIN) from the IRS. This guide provides a step-by-step approach to securing your EIN, ensuring your firm complies with federal tax regulations. An EIN is essential for hiring employees, opening business bank accounts, and more. You might also find our guide on the Connecticut LLC filing process useful here. Let Lovie streamline your formation and EIN application process.
An EIN, or Employer Identification Number, is a unique nine-digit number assigned by the IRS to identify your business entity. It's like a Social Security number for your accounting business, used for tax reporting and identification purposes. This connects to our resource on [setting up your Connecticut LLC](https://www.lovie.co/formation/resources/llc-formation/agency-connecticut), which covers the details. Whether you're forming a PLLC, PC, or other business structure, an EIN is often a necessity.
| State Filing Fee | $120 |
| Annual Fee | $80 |
| First Year Total | $200 |
| Processing Time | 6.1 days avg (official: 5-7 days) |
| Corporate Tax Rate | 7.5% |
Recommended Entity: LLC or C-Corp
Key Tax Benefit: Professional development, licensing fees
Compliance Priority: SEC/FINRA registration, state money transmitter licenses
Data sources: State Secretary of State offices, IRS, Tax Foundation (2026). Platform metrics based on anonymized Lovie user data.
Employer Identification Number (EIN) serves as the federal tax identifier required for business banking, hiring, and tax filing. Key components include IRS Form SS-4, federal tax identification, and responsible party designation, each playing a critical role in the ein process. Understanding federal tax ID number and business banking requirement is essential, as these factors directly impact payroll tax compliance.
When evaluating ein options, factors such as ITIN alternative for non-residents and same-day EIN approval should inform your decision-making process.
Ensure your Connecticut accounting business meets the IRS requirements for obtaining an EIN. Generally, any business entity that hires employees or operates as a corporation or partnership needs an EIN.
Decide on the legal structure of your accounting firm (e.g., PLLC, PC, S-Corp). This decision impacts your tax obligations and application process. No Collect all necessary information, including your business name, address, responsible party details (Social Security number, etc.), and the reason for
If your Connecticut accounting firm plans to hire employees, an EIN is mandatory for payroll tax reporting. The IRS requires you to report wages and withholdings under your EIN.
Most banks in Connecticut require an EIN to open a business bank account for your accounting practice. This separates your business finances from your Your accounting business needs an EIN to file federal and state business taxes, including income tax, employment tax, and excise tax (if applicable).
Use your EIN to open a business bank account in Connecticut. This is essential for managing your firm's finances and maintaining a professional image.
Register your accounting business with the Connecticut DRS to obtain a state tax identification number and comply with state tax requirements. Obtain any necessary licenses and permits required to operate an accounting business in Connecticut. This may include professional licenses and local
Start your formation with Lovie — $29 one-time, plus your state's filing fee.
State-specific formation guides, cost breakdowns, compliance checklists, and expert comparisons — updated for 2026.