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hellenicAI is billed on a monthly retainer basis, scoped to the services you have active. There are no hidden usage fees, no per-seat charges, and no surprise invoices.

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How billing works

Monthly retainer

A fixed monthly fee covering all active services and their management overhead. Agreed upfront, no surprises.

Usage-based add-ons

For AI token consumption or ad spend management above agreed thresholds, we agree overage rates in advance and report against them monthly.

Invoicing

Invoices are issued on the 1st of each month for the month ahead. Payment terms are NET 14.

Payment methods

Bank transfer (SEPA and international), credit card, and direct debit. Contact your account manager to set up your preferred method.

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Common billing questions

Yes. Adding services is effective from the date of activation, billed pro-rata. Removing services takes effect at the end of the current billing cycle.
We notify you before you reach your threshold — not after. Overage is billed at pre-agreed rates at the end of the cycle.
Email your account manager or [email protected]. Services remain active until the end of the current billing period. No cancellation fees.

Billing questions

Contact [email protected] or reach your account manager directly.