Contact & Support
However we can help — a question before you join, a billing matter, or a technical point about one of the tools — pick the right channel below and we'll get back to you.
How can we help?
General enquiry
Questions about the membership, the tools, or the community.
info@hdgcommunity.com →Billing & payments
Invoices, receipts, card updates or subscription changes (handled via Paddle).
info@hdgcommunity.com →Technical support
Trouble signing in, accessing a tool, or a question about how a calculator works.
info@hdgcommunity.com →Refund request
First payments are covered by our 14-day money-back guarantee; renewals are non-refundable.
info@hdgcommunity.com →Team / plant licence
Multiple seats or a whole-plant licence — tell us your team size for a quote.
info@hdgcommunity.com →See membership & tools
Plans, the full tool suite, the 14-day guarantee and what's included.
View pricing →
Response time: we aim to reply to all enquiries within 1 business day.
Billing, invoicing and payment-method questions are handled by Paddle, our Merchant of
Record — your receipts and invoices come directly from them.