Free Guide · Based on IRS.gov

How to Apply for Your EFIN & Launch Your Own Tax Business

The complete walkthrough to get your IRS Electronic Filing Identification Number, set up your e-file business the right way, and keep 100% of what you earn.

What Is an EFIN (and Why You Need One)?

Your EFIN (Electronic Filing Identification Number) is the number the IRS issues to authorized e-file providers. Think of it as your business's license to electronically file federal tax returns. Without an EFIN, you can't e-file — and without e-filing, you can't run a modern, competitive tax business.

EFINs are issued per business location, which matters when you're ready to scale into multiple offices. One EFIN lets your business e-file; additional locations require additional EFINs.

EFIN vs. PTIN: Know the Difference

A lot of new tax business owners confuse these two. Here's the simple version:

EFIN

· Belongs to your business
· Lets your firm e-file returns
· Issued through IRS e-Services
· One per business location

PTIN

· Belongs to each individual preparer
· Required for every paid tax preparer
· Renewed annually (Form W-12)
· Requires a fee — confirm the current amount on IRS.gov

One easy way to remember it: your business needs an EFIN to e-file, and every person you hire needs a PTIN to prepare.

Step-by-Step: How to Apply for Your EFIN

STEP 1

Create Your IRS e-Services Account

Go to IRS e-Services at irs.gov and set up an account. You'll verify your identity through ID.me, the IRS's identity-verification provider. Have your Social Security number, a government-issued photo ID, and a smartphone ready.

Open IRS e-Services

STEP 2

Submit the e-file Application (Form 8633)

Inside e-Services, complete the Application to Participate in the IRS e-file Program — also known as Form 8633. You'll enter your business legal name, physical address, EIN, your business structure, and the names and details of your Principal and Responsible Officials.

IRS e-file Program overview

STEP 3

Pass the IRS Suitability Check

The IRS runs a suitability check on your firm and on your Principal and Responsible Officials. This can include a tax compliance check, a criminal background check, and a business credit check. Unresolved tax debt, unfiled returns, or certain financial issues can delay or disqualify your application.

IRS guidance for tax professionals

STEP 4

Complete Fingerprinting (If Required)

Depending on your application, the IRS may require fingerprinting for your Principal and Responsible Officials. If required, you'll submit fingerprints through the IRS fingerprint process. Some applicants — such as CPAs, Enrolled Agents, and attorneys in good standing — may be exempt from this step.

Confirm on IRS.gov

STEP 5

Receive Your EFIN

Once approved, your Electronic Filing Identification Number is issued and visible inside your e-Services account. You can then link it to your tax preparation software and start e-filing returns for your clients.

View your EFIN in e-Services

What You'll Need Before You Apply

An active IRS e-Services account
Your business EIN (Employer Identification Number)
Business legal name and physical address — EFINs are issued per location
Your business structure (LLC, S-Corp, Sole Proprietor, etc.)
Names, SSNs, and dates of birth for your Principal & Responsible Officials
A government-issued photo ID for ID.me verification
A clean tax compliance record
Any professional credentials (CPA, EA, Attorney) if applicable

Common Mistakes That Delay Approval

✕Using a personal address instead of your business address
✕Misspelled or mismatched names between your documents
✕Outstanding tax debt or unfiled returns
✕Skipping the fingerprinting step when it's required
✕Forgetting to renew your EFIN annually
✕Not listing every Responsible Official up front

Timeline & Annual Renewal

Plan ahead. The IRS recommends applying well before tax season — the suitability process can take several weeks or longer, especially during peak periods.

EFINs must be renewed annually. The IRS typically opens renewal in the fall, and you should complete it before the end of the calendar year so you can keep e-filing the following season. Keep your business information current in e-Services at all times.

The Missing Piece

An EFIN Lets You E-File. It Doesn't Build You a Business.

Your EFIN is permission to e-file. It doesn't give you clients, software, automation, a marketing system, or a plan to keep 100% of your fees. That's where FreedomTax Pro comes in — software, onboarding, AI automation, and the playbook to launch and scale.

Sources & Disclaimer

This guide is for general education and references information published on IRS.gov. IRS requirements, fees, and processing timelines can change. Always confirm the current instructions and official details at IRS.gov before submitting your application.