RESP accounts (both Individual RESPs and Family RESPs) can be set-up in joint ownership. This is common when both parents wish to open an RESP for their child.
For the purposes of onboarding via the ModernAdvisor system, the account must have a primary applicant. However, the client will be asked if they would like to have their spouse listed as the joint subscriber as part of the onboarding process.
This will appear under the Spouse's Info section when setting up the RESP account as shown in the screenshot below. This step however is after the Investment Goals / Financial Information / Quiz (if not already completed) / Review Your Plan and Select Portfolio Option steps. It is under the Personal Information of the primary applicant.
If selected, the spouse will receive an email to complete their portion of the online onboarding and both account joint account holders will also be required to sign the account opening documentation, which they will receive via Adobe Sign. The spouse would also need to have a ModernAdvisor account and login information if they wanted view the account and the primary application would share viewing access as a Household Account by clicking Your Name on the top right > Profile > Household > Create Household.