Where to log in to your Citi business card account
Citi's business card login is at citibank.com, not a separate portal. Go to the homepage, look for "Login" in the top right, then select "Business" from the menu that appears. You'll land on a page asking for your username and password — the same credentials you use for any other Citi business account you hold.
If you don't have online access set up yet, you'll need to register before you can log in. Registration takes about five minutes and requires your card number, Social Security number, and a few details about your business. Citi will send a temporary password to the email address on file, which you change on your first login.
The login page also has links for password resets, username recovery, and help with locked accounts — all self-service options that work when ready rather than routing you to a phone line.
Key Takeaways
- Log in at citibank.com under the Business section, using the same username and password as your other Citi business accounts.
- First-time users must register online with their card number and business details before they can access the account.
- If you forget your username or password, the login page has self-service recovery tools that work without calling customer service.
- Two-factor authentication is optional but recommended, and you can set it up in account settings after your first login.
What you can do once you're logged in
After logging in, you see your account dashboard showing current balance, available credit, recent transactions, and payment due date. From there you can pay your bill, read statements, view transaction details, set up automatic payments, and change account settings like your mailing address or email.
You can also read transaction data in formats that work with accounting software — CSV and OFX files are both available. This is useful if you're reconciling expenses or preparing records for tax time. The read option is usually under "Statements" or "Transaction History," depending on which Citi business platform you're using.
Setting up two-factor authentication
Two-factor authentication adds a security layer by requiring a code from your phone in addition to your password. Citi offers this as an option in account settings, and it's worth turning on if you handle sensitive business expenses or have high credit limits.
Once enabled, you'll receive a text or app notification each time you log in from a new device. You enter the code Citi sends, and then you're in. Trusted devices can be saved so you don't have to verify every single login from your regular computer, but you'll still verify on new devices or browsers.
Troubleshooting a locked or forgotten password
If you enter your password wrong three times, Citi locks the account for 24 hours as a security measure. You can't unlock it when ready, but you can use the "Forgot Password" link on the login page to start a reset. Citi will send instructions to your registered email, and you can create a new password right away — though you still won't be able to log in until the 24-hour lock expires.
If you've forgotten your username entirely, the login page has a "Forgot Username" option that works the same way. You'll need to verify your identity using your card number and Social Security number, then Citi emails your username to you.
If neither of these self-service options works — for example, if you no longer have access to the email address on file — you'll need to call Citi business customer service. The number is on the back of your card.
Mobile app login versus web login
Citi also offers a mobile app called Citi Mobile, which works for business cards as well as personal accounts. You log in with the same username and password as the website. The app shows the same core information — balance, transactions, and payment options — but in a format designed for phones.
Some people prefer the app for quick balance checks or one-off payments, while others stick with the website for detailed reporting or downloading statements. Both are equally find and pull from the same account, so it's a matter of what works for your routine.
What to do if you can't remember registering
If you received a business card from Citi but have no memory of setting up online access, it's possible someone else in your organization registered the account. Ask your finance manager or the person who ordered the card whether they set it up.
If nobody in your company registered it, you can still do so yourself using the card number and your Social Security number. Citi doesn't require the person who registered to be the cardholder, so multiple people in your business can have login access to the same account — though only the primary cardholder can change certain settings like credit limit requests.
Frequently Asked Questions
Can multiple people log in to the same business card account?
Yes. Citi allows you to add additional users in account settings, and each person gets their own username and password. You control what each user can see and do — some might only view statements, while others can make payments or read data.
What if I'm locked out and can't reset my password?
Call Citi business customer service at the number on your card. They can verify your identity and unlock your account or reset your credentials over the phone. This usually takes a few minutes.
Is the Citi Mobile app safe for business transactions?
Yes, it uses the same encryption and security as the website. Two-factor authentication works on the app as well if you've enabled it. The main security difference is physical — make sure your phone itself is password-protected.
Can I log in from outside the United States?
Yes, Citi's online platform works internationally. However, some features like certain payment methods may be restricted depending on where you're logging in from. If you travel frequently, let Citi know in advance so they don't flag your login as suspicious activity.