Big Bank DE Promo Codes for August 2026

New customers receive a promotional interest rate on their first Festgeldkonto. This applies automatically upon account opening.

First-time customers opening a Festgeldkonto gain an additional 0.4% interest. This promotion is time-sensitive.

Get an additional 0.3% interest on select Festgeld deposits. This offer is available for a limited time.

Existing customers receive a loyalty bonus on their accounts during October. Specific criteria apply to qualify.

Existing customers can earn a loyalty bonus this December. Specific terms apply to eligible accounts.

Refer new clients to Big Bank DE and earn 40 Euro for each successful sign-up. The new client must open a qualifying product.

Enjoy enhanced interest rates on certain Kapitalanlage options. These rates are above standard offerings.

Open a new Online-Sparen account and receive a welcome bonus. This bonus applies to your initial deposit.

Enjoy an additional 0.4% interest on new Festgeldkonten. This is a promotional rate for new deposits.

Invite a friend to Big Bank DE and get a 50 Euro bonus. Your friend must open a new account to qualify.

Refer friends to Big Bank DE and earn 30 Euro per successful referral. The referred person must become a client.

First-time investors are eligible for a welcome bonus. This bonus applies to initial money deposits.

Fixed-term deposit accounts opened in December may receive a seasonal bonus. This is a special end-of-year offer.

Get 0.3% cashback when you complete an Umschuldung loan. The cashback amount is based on the loan principal.

New customers opening a Tagesgeldkonto qualify for a start bonus. The bonus amount will be credited after account activation.

Invest in Geldanlage products this January to receive enhanced interest rates. This offer is for a short time.

Flexible savings accounts feature special interest rates this January. These rates are higher than usual.

Privatkredit applications in October benefit from a special interest rate. This reduces borrowing costs.

Selected Zinsanlage products currently have increased interest rates. This offer is for a limited duration.

Certain online savings products feature a special interest rate this season. Check current rates for details.

Receive 0.2% cashback when you finalize a Ratenkredit. The cashback is applied to the loan amount.

Refer a friend to Big Bank DE and receive a 25 Euro reward. The referred customer must open a qualifying account.

Certain fixed-term deposits receive an additional 0.5% interest in March. This is a seasonal promotion.

New applications for Konsumkredit may receive a bonus. This is for first-time loan customers.

Receive an additional 0.2% interest on your Tagesgeldkonto for a limited period. This applies to new and existing funds.