How do I add additional signers to my business account? Business BankingBusiness FAQs Additional business signers can be added to your business account by contacting Business Member Support at (877) 909-5656. Thank you!Did You Find This Article Helpful?YesNoSorry to hear that. What wasn't helpful?Please do not include sensitive information such as social security numbers, account numbers, or other personal details when submitting feedback. For immediate assistance, please contact our Member Call Center at 1-877-465-3361, or visit your nearest Golden 1 branch.Send FeedbackRelated articles