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AI automation agency: what it costs and what to ask before you sign

An AI automation agency connects the tools you already run. The cost splits into one line paid once and three that come back every month. Here are the figures, the timelines, and the five questions to ask before you sign a quote.

Sebastien Balieu Sebastien Balieu
6 min read
AI automation agency: what it costs and what to ask before you sign
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An AI automation agency wires the tools you already run into each other, so repetitive work happens without anyone retyping it. At Numinam, a first scoped build starts at €2,380 for four days of work, and further cost lines come back every month that a quote may never mention.

What you are actually buying

The word "agency" misleads here, because it suggests a team producing something you can look at: a website, a campaign, a brand. What gets delivered is a set of workflows: chains of steps running in the background on a handful of accounts, usually where nobody sees them.

A contact form creates a record in your CRM, sends the prospect a reply, alerts whoever covers that region, then schedules a follow-up seven days out. Four things a person used to do by hand, collapsed into one line in a system.

An automation agency works with the software you already run. It connects those tools to each other, and that scope has a consequence: if your CRM already frustrates you, automation will not fix it. It will move the same data around faster.

So ask for a quote that lists the workflows one by one, with what each one triggers. A quote promising "automation of your sales processes" without that list does not tell you what you are buying, and it gives you nothing to compare a second proposal against.

The price, line by line

A quote that comes as a single figure hides everything you will pay after delivery. The cost breaks down the same way every time: one line paid once, and three that come back every month.

Build: rates published by Numinam, at €595 a day. Monthly lines: indicative orders of magnitude, €200 to €1,300 a month in total.
LineWhen you payRange
The buildOnce€595 for a single-day flow · €2,380 for a four-day starter build · €7,140 for a twelve-day full build
Calls to AI modelsMonthly€50 to €500
Hosting and orchestrationMonthly€50 to €300
Maintenance and adjustmentsMonthly€100 to €500

The bottom three lines come back every month, and they are the ones that move. Model calls are billed by usage, so a workflow handling thirty requests a day costs more than one handling three. Those recurring figures are broken down in the article on the cost of integrating AI. If your quote rolls everything into a single figure, ask for it split out, because what you want to know is which line grows on the day your business does.

The build itself is measured in working days, and the day rate is published at €595. When two quotes land far apart, ask each provider how many days they plan and on which workflows. That is what makes two quotes comparable.

What the agency will need from you

What derails an automation project is the business rule nobody ever wrote down.

Take an automated quote follow-up. Building the email takes an hour. But before it can go live, someone will ask you how many days to wait, how many attempts before stopping, and what happens when the client already replied by phone and the CRM never heard about it. Those are three decisions, and they are yours. An agency can suggest a sensible default, but it cannot decide on your behalf how you want to sell. Writing that rule down is one of the four things that have to be true before marketing automation returns anything.

Two other things will be asked of you, and it helps to know in advance: admin access to your tools, and someone reachable the same day for the length of the build. On a four-day project, an answer that takes a week costs more than the day it holds up.

One thing worth doing before the first meeting: write down, in a single sentence, the rule that applies in your most common case. If the sentence will not come, the process is not ready to be automated, and you would rather find that out before paying for four days of work.

Five questions to ask before you sign

  1. Whose name are the platform accounts in? If everything runs on the agency's account, you are renting a service. If it runs on yours, you keep the accounts, the workflows and the history the day you move to another provider.
  2. What happens when a workflow fails overnight? Ask who gets alerted, how, and how quickly somebody picks it back up. A chain that fails without warning for three days costs more than the manual step it replaced.
  3. What does a change cost after delivery? A day rate quoted upfront beats negotiating a new estimate every time something shifts. Your processes will change, which is usually a good sign.
  4. Can I see the workflow, or only its output? Ask for a screenshot or an export. Without that document, nobody else can pick up the work the day you switch agencies.
  5. If I stop tomorrow, what do I keep? A serious provider answers in one sentence. When the answer runs to five, ask for it in writing.

What automation will not fix

A process nobody can describe cannot be automated. If three people on your team give three different accounts of what happens after a quote is signed, the first job is to agree among yourselves, and that meeting is not a technical project.

Bad data stays bad. If half the email addresses in your client file are dead, automating your follow-ups sends messages to dead mailboxes faster.

Then there is the task that needs a judgement call every single time. A custom quote, a complaint to settle, a hiring decision: the mechanical part of those automates, the judgement stays with you. It is also where AI lead qualification agents stop being reliable.

Even a fully automated flow leaves a human share. At Coddy, the urban escape games I co-founded, booking, payment and instruction delivery all happen without anyone touching them, and roughly one booking in ten still needs a person to answer. So plan for someone to be reachable even after the flow goes live.

Key takeaways

  • Insist on a quote split line by line: the build once, then every month the model calls, hosting and maintenance. A single lump sum hides the line that grows with your volume.
  • Platform accounts belong in your name. That detail decides what you walk away with the day you change providers.
  • Before the first meeting, write the business rule for your most common case in one sentence. If it will not come, the process is not ready.
  • Ask what happens when a workflow fails overnight: who gets alerted, and how fast somebody restarts it.
  • A useful first build is measured in working days: four for a scoped piece, around twelve for a full set.

To get a sense of scope before you request quotes, the AI automation page lists the standard builds with their duration and their price.

Frequently asked questions

How much does an AI automation agency cost?
The total reads line by line. The build is paid once: Numinam publishes €595 for a single-day flow, €2,380 for a four-day starter build and €7,140 for a twelve-day full build. On top of that, every month and as an indication, come the calls to AI models at €50 to €500, hosting and orchestration at €50 to €300, and maintenance at €100 to €500.
What is the difference between an AI automation agency and a regular web agency?
A web agency builds pages your visitors see. An AI automation agency builds chains that run between your tools: the form fills the CRM, the CRM alerts the right salesperson, the follow-up goes out on its own. At Numinam the two are designed together, because a site that generates enquiries with nothing behind it to handle them ends up losing them.
How do I choose an AI automation agency?
Five questions sort the proposals: whose name the platform accounts are in, who gets alerted when a workflow fails and how quickly somebody picks it back up, what a change costs after delivery, whether you can see the workflow or only its output, and what you keep if you stop tomorrow. A serious provider answers all five without hedging.
How long does a first automation project take?
Plan for four working days on a scoped piece and around twelve for a full set, spread over a few calendar weeks. What stretches the timeline is rarely the technical work. It is the time you need to settle the business rules the workflow has to apply, such as how many follow-ups to send before stopping.
Who owns the workflows and the accounts once the project is delivered?
That is settled before signature. If the platforms are opened under the agency's name, you are renting a service and you leave with nothing the day you switch. If they are in your name, you keep the accounts, the workflows and the execution history. Ask for the answer to appear in writing on the quote, including what happens to access at the end of the contract.
Does my data go through an external AI model?
Often yes, as soon as a workflow calls a language model to classify, summarise or draft. Ask which data leaves, which provider receives it, and whether what you send is used to train the model. Plenty of useful automations call no model at all: a chain that moves records between two tools does not need one.
Does Numinam do AI automation as well as websites?
Yes, and both sit at the same level alongside internal tools. A site that converts with no automation behind it loses the enquiries it generates, and automation wired to a site that does not convert has nothing to process. The starting point is an audit that looks at the site, the processes and the tools together before deciding what to build first.

Sebastien Balieu

About the author

Sebastien Balieu — Fondateur Numinam

Sébastien est full stack developer, UX/UI designer, fondateur et multi entrepreneur. Il vit en Belgique depuis plus de 10 ans.

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