Where generic builders shine
Portal builders serve agencies, consultants, coaches and many other service businesses. They typically offer custom domains, branded email, CRM features and client onboarding flows. For a firm offering a mix of services, one flexible hub can be attractive. Branding can often be taken quite far on these platforms.
The flexibility has a cost: someone at the firm must configure it, and accounting-specific features have to come from elsewhere. Bookkeeping, reconciliation and financial reporting are not what these platforms are built to do. Firms end up connecting a separate ledger anyway.