Which access level would you assign to a user needing full access to modify and update firm information?

The appropriate access level for a user who requires full access to modify and update firm information is "Standard all access." This designation allows the user to perform a comprehensive range of actions within the system, including making changes to firm settings, which are essential for managing and updating vital company details.

When users are assigned "Standard all access," they gain the ability to not only view but also edit and manage various data and settings, ensuring they can effectively perform their roles in maintaining the integrity of the firm's information. This level of access is essential for roles that involve significant responsibility, such as administration or financial management, where updates to firm information are critical.

In contrast, the other access levels listed do not allow for the same degree of control over the firm's data. Limited access, for example, restricts user capabilities significantly, preventing them from making necessary changes. Read-only access allows users to view information but does not permit modifications, making it unsuitable for someone who needs to update details. Company user typically implies a basic level of access focused on usage rather than administrative capabilities. Thus, "Standard all access" is the only option that aligns with the need to modify and update firm information without restrictions.