The consultant should consider the following from a customer onboarding perspective:
If the company struggles with the low efficiency of collecting data in questionnaires and meeting compliance with the company policies, Action Plan can be used to improve the current state. Action Plan is a feature in Financial Services Cloud that allows you to automate and standardize common business processes or service requests, such as customer onboarding, account opening, or loan application. You can use Action Plan to create templates that define the tasks, owners, and deadlines for each process or request. You can also use Action Plan to create instances of templates that apply to specific target records, such as accounts, contacts, or opportunities. Action Plan can help you collect data in questionnaires and ensure compliance with company policies by providing step-by-step guidance and validation rules for each task. Verified Reference: : Salesforce Help Article [4] : Salesforce Help Article [5]

Explanation
Consent Management for Financial Services Cloud is a feature that helps financial institutions honor and respect their customers' wishes when they request only specific forms of contact from their company or opt-out of certain types of data-sharing. This feature helps institutions comply with the data protection and privacy regulations that apply to their company11. A consultant can suggest the following actions to implement Consent Management for Financial Services Cloud:
Set up tracking and storage of certain data privacy preferences: This involves creating data privacy records for customers who have opted out of certain types of communication or data-sharing, and selecting the appropriate options in the record to indicate their preferences12.
Use the Consent API: This is an API that lets users query, create, update, or delete consent records for customers who have given or withdrawn their consent for certain types of communication or data-sharing.
Protect your Salesforce organization: This involves setting up organization-wide sharing settings, encryption, field-level security, and other measures to ensure that only authorized users can access or modify customer data according to their consent preferences.
References:
Consent Management for Financial Services Cloud
Set Up Tracking and Storage of Certain Data Privacy Preferences
[Use the Consent API]
[Protect Your Salesforce Organization]

Explanation
Referrals Rollups is a feature that enables users to see all the referrals for the members of a group, such as a branch or a team. It also allows users to filter referrals by status, priority, or owner.