Pricing a consulting retainer when half the work happens between meetings
Most retainer pricing only accounts for meeting time. Here's how to charge for the async work that actually drives results, without losing the client.
Most retainer agreements are built around visible time: four calls a month, two workshops, one strategy session. What they don't account for is the other work. The Slack message you draft at 10pm. The deck you restructure on a Wednesday because the client's board meeting moved up. The competitor analysis you run before anyone asks. That work is real, it delivers value, and most consultants give it away for free.
Here's how to price it properly.
Why "meeting hours" is the wrong unit
Clients anchor on meetings because meetings are tangible. They can count them, reschedule them, and feel they're "using" you. But the actual value you deliver in a $12k monthly retainer is rarely the eight hours on Zoom. It's the judgment you apply between calls.
When you price only on visible time, two things go wrong:
- You undercharge for the high-stakes async work (the quick Slack voice note that saves a $200k decision from going sideways).
- You create perverse incentives for the client to schedule more calls, because that's what they feel they're paying for.
The fix is to reframe the retainer from "hours of access" to "outcomes under management."
How to structure a retainer that reflects the full scope
Anchor on the outcome, not the activity
Start your pricing conversation with what the client is buying: a revenue target, a market entry, a team restructuring, a growth experiment. Then work backward to the effort required. If hitting that outcome needs 15 hours of async research and two calls, price for 15 hours plus two calls, not just the calls.
A practical framing: "This retainer keeps your growth strategy moving every week, whether or not we have a scheduled call." That repositions your async work as the product, not the overhead.
Define async deliverables explicitly
Vague retainers create scope creep. Specific ones create trust. In your proposal, list the async outputs the client can expect each month:
- Weekly written updates (500-word status memo, always Monday morning)
- On-demand review of documents, decks, or data (up to three per month)
- Async Q&A with a 24-hour response commitment on business days
- One strategic brief per month (2-3 pages, research-backed recommendation)
When the client can see what async looks like, they stop feeling like they're paying for invisible work. And when they request something outside this list, you have a clean basis for a change order.
Set a floor, not a ceiling
Rather than capping hours, define a monthly floor: the minimum you'll do even if the client goes quiet. A $15k retainer might guarantee 20 hours of strategic attention per month, documented. If the client uses less, the hours don't roll over. This protects your income and trains the client to stay engaged.
If activity consistently runs over, that's your signal to reprice, not to absorb the overrun.
The billing side: don't let a strong retainer become a cash-flow problem
Winning a $15k/month retainer from a US corporate is excellent. Getting paid 60 days after invoice, while you're running async work around the clock from Europe, is less excellent.
How most consultants invoice retainers
- Send a manual invoice each month and hope the client pays inside NET 60.
- Track partial payments in a spreadsheet, matching wire references by hand.
- Chase overdue invoices with a personal email that feels awkward to write.
- Forget to include expense line items until the client's monthly cycle has closed.
How ZenPay handles it
- Recurring invoices auto-generate and auto-send at a set time each month, with no manual trigger needed.
- Per-invoice payment tracking matches partial payments and wire references automatically.
- Auto-reminders fire in your name, on a schedule you set, before and after the due date.
- Add expense reimbursement as a separate line item on any invoice, in the client's currency (USD, EUR, GBP, and eight more).
One detail worth flagging for EU-based consultants billing US corporates: if your client is a registered business, the invoice should carry a reverse-charge VAT note, not a VAT charge. ZenPay has a per-invoice reverse-charge toggle that adds the correct legal language automatically. No manual editing of PDF templates.
How to handle the "but I'm not using you much this month" conversation
It will happen. A client has a quiet month internally, skips two calls, and starts hinting that the retainer feels expensive. Your response depends on how well you documented async work.
If you have a record of every memo, review, and recommendation you delivered, the conversation is easy. Walk them through it. Most clients don't track your async output. When they see it laid out, the retainer feels like a bargain.
If you don't have that record, start keeping one now. A simple monthly log, one line per deliverable, sent as part of your end-of-month wrap-up, makes renewal conversations straightforward and gives you evidence for rate increases.
Raising your rate mid-relationship
A retainer that starts at $8k and never moves is a retainer that loses value every year. Build a rate-review clause into the original agreement: rates adjust annually, with 60 days notice. That way, the conversation isn't a confrontation. It's a scheduled event the client agreed to at the start.
When you raise rates, ground it in scope expansion, not inflation. "We've added the quarterly board memo and the competitive tracking report since we started. The retainer now reflects that." Specificity beats justification.
The consultants who get underpaid aren't the ones who work too little. They're the ones who work invisibly. Name the work, price it explicitly, and invoice it cleanly every month.
Less admin.
More of what matters.
Your first invoice
within 2 minutes.
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