Retainer billing and client payments for marketing agencies

Operational workflows

Payment challenges

• Ad spend fronted before the client pays

  Media budgets go out on the agency's own card and come back on the client's invoice weeks afterwards.

• One client, two billing rhythms

  A retainer that never changes sits on the same account as project charges that change every month, and both have to reconcile to one client.

• Scope creep billed after the fact

  Extra rounds and out-of-scope requests turn into an invoice the client never approved in advance.

Choose the right payment setup for Marketing Agencies

• Choose marketing agency payment processing

  For Marketing Agencies, map sign-up, scheduled billing, and renewal, online checkout and remote payment, and the invoice, retainer, and remote client payment before choosing a setup. Select channels that match those moments, then confirm that the chosen solution genuinely covers each channel.

• Payment hardware for Marketing Agencies

  For Marketing Agencies, physical hardware may be secondary to the checkout flow. Prioritize gateway or payment-page requirements first, then add a terminal only when an in-person payment point is genuinely needed.

• Compare payment processing fees

  For Marketing Agencies, request a written fee breakdown covering scheduled billing, declined cards, and cancellations and online checkout and dispute handling. Compare the effective cost across the real card and channel mix; do not choose on a headline rate alone.

• Set up or switch Marketing Agencies payments

  To set up Marketing Agencies payments, document the checkout, confirmation, and refund path, confirm compatibility before purchase, then test a real payment flow before going live.

How this gets set up

• The retainer on a schedule

  The monthly fee is charged automatically to the client's card or bank account on the same day each month, without an invoice chase.

• Milestones invoiced on delivery

  A phase invoice goes out when the work ships rather than waiting for the next retainer cycle to come around.

• Media approved, then recharged

  A mid-cycle ad buy the client approves is charged to the card already on file, with a link when a new approver has to sign off.

• One client, three billing shapes

  Retainer, milestone and pass-through spend all sit on the same client profile instead of three separate arrangements.

Integrations

• HubSpot exports

  HubSpot exports bring the client and deal records across as a file to match against billing, not as a live payment sync.

• Harvest

  Harvest holds the tracked hours behind a milestone, and the invoice raised from those entries is paid on a link the client opens directly.

• Xero

  Xero keeps retainer revenue, project fees and recharged media on separate lines, so pass-through money is never counted as agency income.

Operations, security and going live

• Recurring, project and pass-through never mixed

  Reporting separates retainer revenue from project fees and from recharged media, because only two of the three are the agency's own income.

• Approval by email, card out of the thread

  The client's card is held as a token, so a media budget increase is approved in writing while the payment itself stays off the email thread.

• A retainer that needs a person the same day

  A monthly charge that still needs a follow-up shows the day it happens, so a month of work is not delivered against an unpaid retainer.

• One client at a time

  Existing clients move onto scheduled billing at their next cycle, rather than all of them mid-month.

For businesses in the USA

A direct answer for a business in the USA: the workflow, the limit, and what to confirm next.

• The payment workflow

  Trace a monthly services retainer separately from a one-time campaign project. In practice, invoice references, payment timing and which person at the client approves additional work. Confirm eligibility, presentment currency, settlement currency and the enabled payment methods on the USA merchant account before quoting them. An illustrative amount is an example, not a fee or a funding promise. Marketing Agencies does not, by itself, prove delivery or win a dispute.

• The problem and the limit

  Show how a scope change becomes an approved revised invoice. Distinguish agency service fees from client advertising spend and avoid implying unrestricted charging for campaign overruns. Confirm eligibility, presentment currency, settlement currency and the enabled payment methods on the USA merchant account before quoting them. An illustrative amount is an example, not a fee or a funding promise. Marketing Agencies does not, by itself, prove delivery or win a dispute.

• What to confirm

  Use a U.S. Client paying a USD invoice to explain remote collection and accounting reconciliation. Name an integration only after confirming supported references and the actual data direction. Confirm eligibility, presentment currency, settlement currency and the enabled payment methods on the USA merchant account before quoting them. An illustrative amount is an example, not a fee or a funding promise. Marketing Agencies does not, by itself, prove delivery or win a dispute.

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