How much should an AI voice agency charge for setup?

For a single inbound agent with calendar and CRM wiring, most agencies land between $1,500 and $3,500 one time. Moderate builds with branching flows, a knowledge base, and an outbound campaign run $3,500 to $7,500. Complex work with multi-agent routing, live transfers, custom API integration, or a multi-location rollout runs $7,500 to $15,000 and sometimes past it. The reason for the spread is that setup fees are not really priced on the software, they are priced on your hours and the client's risk. This calculator builds the number from the bottom up instead of guessing: it takes your honest build hours, adjusts them for complexity and vertical, prices them at the effective hourly you want to earn, and adds the platform cost you carry during the build.

How does this setup fee calculator work?

You give it five numbers. Build hours is everything before go-live, including discovery, prompt and flow work, test calls, CRM wiring, and client training. Complexity and vertical apply multipliers, because the same nominal scope takes materially longer in a medical or finance account than in a general SMB one. Target effective hourly is what your build time is worth to you. Monthly retainer is used to show what waiving the fee would actually cost. The output is an anchor to quote, a practical range around it, your resulting effective hourly, and the number of months you would work unpaid if you gave the setup away. Nothing is stored and no email is required. Your inputs live in the URL, so you can send the link to a partner and they will see the same numbers.

Should I charge a setup fee at all, or just raise the retainer?

Charge it. A setup fee does three jobs that a higher retainer does not. It funds the build, so you are not financing a client's onboarding out of your own cash. It filters tire-kickers, because a prospect who will not pay $2,000 to start almost never becomes a good $2,000 a month account. And it creates commitment, which is the practical reason setup-fee clients finish onboarding and no-fee clients drift for six weeks. The one thing to watch is the recovery math. If you waive a $3,000 setup against a $1,800 retainer you are working about 1.7 months before that client turns profitable, and if they churn inside that window the build cost you money. If you must discount something, discount the retainer.

Why do complexity and vertical change the fee so much?

Because they change the hours and the risk, not the software. A simple inbound FAQ agent is one flow with one happy path. A moderate build adds branching logic, a knowledge base, and an outbound campaign, which roughly means every change now has to be tested against three paths instead of one. Complex builds add routing, live transfer rules, and custom integration work, where a single unexpected API behavior can eat a day. Vertical multipliers reflect review burden and consequence: a medical or dental account brings PHI handling, scheduling-system integration, and staff training, and a finance or insurance account brings disclosure language, recording consent, and a compliance sign-off you do not control the timeline on. Those hours are real and they belong in the fee.

What should the setup fee actually cover?

Be explicit in the proposal, because a vague setup fee is the most common source of scope disputes. A clean scope covers discovery and call-flow design, agent build and prompt tuning, knowledge base ingestion, telephony and number provisioning, CRM and calendar integration, a defined number of test-and-revise rounds, and one training session for the client's team. Then name what it does not cover: additional agents, new integrations discovered after kickoff, and revisions beyond the agreed rounds, all quoted separately. Attaching a go-live date to the fee helps as well. If you can commit to a first agent live in 72 hours, the fee stops reading as a charge for waiting and starts reading as a charge for speed, which is a much easier thing to sell.

How do I cut build hours so the same fee earns more?

The hours that kill setup margin are rarely the agent build. They are the integration glue, the billing setup, and the client-facing reporting you assemble by hand because it lives across five tools. An agency running Retell or Vapi for voice, GoHighLevel for CRM, Zapier for automation, Stripe for billing, Twilio for telephony, and a developer to connect them is paying that tax on every single onboarding. Consolidating removes it. Hermes is the operating platform underneath the agency: deploy and manage voice agents under your own brand with CRM, campaign orchestration, transparent client billing, and a white-label portal in one plan, from $149 a month with 300 included minutes, $399 for 1,000, or $699 for 2,000, plus $0.24 per overage minute. Your clients never see the word Hermes.

free tool

What should you charge to onboard a voice AI client?

Most agencies pick a setup fee out of the air, then defend it badly. Enter your build hours, complexity, and vertical to get an anchor you can quote, a range you can negotiate inside, and the real cost of waiving it.

/ build hoursEverything before go-live. Discovery, prompt and flow build, test calls, CRM wiring, client training./ build complexityTwo or three flows, branching logic, a knowledge base, outbound campaign, one non-standard integration./ verticalHVAC, plumbing, roofing. High call volume, dispatch and after-hours logic, price-sensitive owners./ target effective hourly (USD)What your build time is worth. Most solo operators price between $100 and $250 an hour./ monthly retainer (USD)What the client pays every month after go-live. Used to show what waiving setup would cost you.

/ recommended setup fee

$2,160 to $3,646

Quote $2,701. That is your anchor, and the number to open with.

Adjusted build hours

17.0 h

Labor at your rate

$2,552

Platform carried

$149

Effective hourly

$159/h

First 90 days

$8,101

Setup as share of year one

11%

If you waive setup to win the deal

1.5 months to recover

Waiving $2,701 against a $1,800 retainer means you work 1.5 months before this client is profitable. If they churn before then, the build cost you money.

A setup fee is not a margin grab. It funds the build, filters tire-kickers, and buys the client a reason to finish onboarding. Discount the retainer before you discount the setup.

Book a 20-min walkthrough to cut this number, by shortening the build itself so the same fee buys you back hours. Want the full breakdown for your agency? Book 20 min and bring these inputs.

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how it works

A setup fee is priced on your hours, not on the software.

Setup fees in this market range from zero to fifteen thousand dollars for work that looks similar from the outside, which tells you the number is not being derived from anything. Operators copy a figure from a community post, get pushed back on it once, and drop it. The fix is to build the fee from the bottom up. Start with the hours the build actually takes, including the ones nobody counts: discovery calls, test-and-revise rounds, CRM wiring, and the training session where the client's front desk learns what the agent will and will not do. Then price those hours at what your time is worth.

Complexity and vertical are where most quotes go wrong. The same nominal scope takes materially longer in a dental practice than in a landscaping company, because PHI handling, a scheduling-system integration, and staff training are all real hours that never appear in the sales conversation. Finance and insurance carry disclosure language, recording consent, and a compliance sign-off whose timeline you do not control. This calculator applies those multipliers explicitly, so when a client asks why the medical build costs more you have an answer that is about work rather than about willingness to pay.

The last output is the one that changes behavior: how many months you work before a client is profitable if you waive the fee. Against a typical retainer that is often one to three months of unpaid build, and any churn inside that window means the deal cost you money. If you need to concede something in a negotiation, concede the retainer and keep the setup. The other lever is cutting the hours themselves, and those hours are usually integration glue rather than agent building. Hermes is the operating layer underneath the agency, with voice, CRM, campaign orchestration, transparent client billing, and a white-label portal in one plan, from $149 a month with 300 included minutes, $399 for 1,000, or $699 for 2,000, plus $0.24 per overage minute. First agent typically live in 72 hours. Your clients never see the word Hermes.

frequently asked

Common questions.

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One platform. Your brand. From $149/month. First agent live in 72 hours.

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What should you charge to onboard a voice AI client?

A setup fee is priced on your hours, not on the software.

Common questions.

Run your agency on Hermes.

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