“Yes — Desygner can work for an agency managing multiple client brands, but I'd distinguish between its brand-management capabilities and its ability to function as a proper multi-client agency workspace.”
+ Brand Kits
“Brand Kits | Strong”
+ Multiple client brands
“Multiple client brands | Supported”
+ Shared team workspaces
“Shared team workspaces | Supported”
+ Reusable branded templates
“Reusable branded templates | Strong”
+ Template editing restrictions
“Template editing restrictions | Supported”
+ User roles and permissions
“User roles and permissions | Available”
+ Multiple brand kits and asset libraries
“Desygner's Business offering supports multiple brand kits and asset libraries.”
+ Brand governance
“You can restrict which parts of a template people can edit.”
− Client workspace isolation
“Multiple Brand Kits inside one account are not necessarily the same as isolated client workspaces.”
− Documented permission-isolated workspaces
“Desygner's public documentation establishes multi-brand management, but doesn't clearly establish that every client can have a completely independent, permission-isolated workspace under one agency subscription.”