Client Hub
Secure access for existing clients.
Documents, returns, and signatures are handled through the firm's encrypted portal rather than over email.
Portal sign in
Continue to the secure client portal
Sign in opens on the firm's hosted portal, where your documents and signature requests are stored.
Sign in to the Client HubNeed access, or having trouble signing in? Call (631) 476-6700 or email admin@mcwcpafirm.com.
What the portal is for
Secure by default.
Encrypted exchange
Upload and download documents without email attachments.
Organized records
Returns, statements, and requests stay in one place year over year.
Electronic signature
Review and sign engagement letters and e-file authorizations.
Access control
Only you and your engagement team can see your files.
Not a client yet? Start with an inquiry — portal access is set up during onboarding.
Never send Social Security numbers, bank details, or other sensitive information by email. Use the portal or call the office.