As a consulting business in Connecticut, obtaining an Employer Identification Number (EIN) is a crucial step for legitimizing your operations and managing your finances. This guide provides a comprehensive overview of how to get an EIN for your consulting business in Connecticut in 2026, ensuring you're set up for success. You might also find our guide on how to register an LLC in Connecticut useful here. Lovie's $29 one-time fee covers formation preparation and filing, with compliance reminders included; state filing fees are paid directly to your state, and registered agent service is priced separately at $79/year ($49/year in Wyoming).
An Employer Identification Number (EIN) is a unique nine-digit tax identification number assigned by the IRS to business entities operating in the United States. It's essentially a Social Security number for your business, allowing you to identify your consulting firm to the IRS. This connects to our resource on [the Connecticut LLC filing process](https://www.lovie.co/formation/resources/llc-formation/agency-connecticut), which covers the details.
| 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 S-Corp
Key Tax Benefit: QBI deduction (up to 20% of qualified income)
Compliance Priority: Misclassification of contractors vs employees
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 consulting business is eligible for an EIN. Generally, any business entity, including LLCs, corporations, partnerships, and sole proprietorships with employees, qualifies.
Decide on the legal structure of your consulting business (e.g., LLC, S-Corp). This decision impacts your tax obligations and liability. Common choice Collect all necessary information, including your business name, address, the responsible party's name and SSN/ITIN, and the reason for applying for a
Most Connecticut banks require an EIN to open a business bank account for your consulting firm, keeping your business finances separate from your personal accounts.
If you plan to hire employees or independent contractors for your consulting business, you'll need an EIN to report their wages and withhold taxes. An EIN is necessary for filing federal and state business taxes for your consulting firm, including income tax, employment tax, and excise tax.
Use your EIN to open a business bank account for your consulting firm. This separates your personal and business finances, simplifying accounting and tax preparation.
Update any existing Connecticut business licenses and permits with your EIN. This ensures your consulting business is operating legally and in complia As a Connecticut LLC, you're subject to the $250 Business Entity Tax (BET). Ensure you file and pay this annually.
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.