AI automation agency: what it does, what it costs and how to choose one

Short answer: an AI automation agency designs and builds AI agents and automated workflows that take repetitive work off your team, then connects them to the tools you already use. A useful first project typically costs $2,000–$5,000; a custom agent across several systems typically costs $10,000–$40,000. The best agencies start with one measurable process, test on your real data, and hand you ownership of everything they build.

What an AI automation agency does

• Finds the right processes: the jobs that repeat every day, follow clear rules and cost your team hours, such as enquiry replies, lead qualification, data entry, reporting and follow-ups.
• Builds AI agents: assistants that answer customers on your website or WhatsApp, read emails and documents, and draft or take actions with approval.
• Automates workflows: moves data between your CRM, inbox, spreadsheets, calendar and accounting tools with platforms such as n8n, Make or Zapier.
• Integrates and tests: connects to your systems through official APIs, tests on real examples and adds alerts when something fails.
• Supports after launch: monitoring, changes as your process evolves, and documentation another team could take over.

Typical projects

• WhatsApp AI agents that answer FAQs, take bookings and hand over to a person.
• AI sales assistants that reply to website enquiries in minutes and keep the lead list up to date.
• Email triage that labels incoming mail and alerts the team about urgent messages.
• Daily KPI briefs that summarise yesterday's numbers every morning.
• Document extraction from invoices, forms and PDFs into your systems.

You can see working examples in our free n8n templates.

What it costs in 2026

• Single workflow or pilot: roughly $2,000–$5,000.
• Set of connected workflows for one department: roughly $5,000–$15,000.
• Custom AI agent with several integrations and approvals: roughly $10,000–$40,000.
• Monthly retainer for hosting, monitoring and changes: commonly a few hundred to a few thousand dollars.
• Running costs: AI model usage, automation platform plans and messaging fees, often tens to a few hundred dollars a month for a small business.

These are indicative market ranges. Price is driven mainly by the number of integrations, data preparation, and whether the AI only answers or also takes actions. Our own detailed breakdown is in AI agent development cost; SixSol AI pilots start from $3,000.

Agency, freelancer or in-house?

• Freelancer: cheapest for one small workflow, but you depend on one person for support.
• Agency: a team for build, testing and support; best when the automation touches customers or several systems.
• In-house: makes sense once automation is core to your operations and you have enough work for a full-time engineer.

10 questions to ask before you hire

1. Which process would you automate first, and how will we measure the result?
2. Can you show a similar project working, not just slides?
3. Which tool would you use (n8n, Make, Zapier or custom code), and why for us?
4. How do you handle mistakes the AI makes? Where does a person approve?
5. Will it run in our accounts, and do we own everything on payment?
6. Do you use only official APIs (for example the WhatsApp Business Platform)?
7. What will it cost to run each month after launch?
8. How do you test before go-live, and on what data?
9. Who gets alerted when a workflow fails, and how fast is it fixed?
10. Is the price fixed per milestone, and what is included in support?

Red flags

• Promises to "automate everything" before understanding your process.
• Automations built inside the agency's own accounts that you cannot access.
• Unofficial WhatsApp or scraping tools that put your accounts at risk.
• No testing plan, no error alerts and no documentation.

How SixSol works

We are an AI automation agency and product engineering team. We start with a free call to pick one process, agree a fixed price per milestone, build in your accounts, test on your real data and hand over full documentation. Because we also build mobile apps and connected devices, your automation can reach beyond software tools when you need it to.

Frequently asked questions

What does an AI automation agency do?

It finds the repetitive work in your business, such as answering enquiries, qualifying leads, copying data between tools or writing reports, and builds AI agents and automated workflows that do it for you. A good agency also connects them to your existing tools, tests them on your real data and supports them after launch.

How much does an AI automation agency cost?

A single workflow or small pilot usually costs $2,000–$5,000. A custom AI agent connected to several systems usually costs $10,000–$40,000. Many agencies also charge a monthly retainer for hosting, monitoring and changes, typically a few hundred to a few thousand dollars a month. AI usage and platform fees come on top.

Is n8n, Make or Zapier better for AI automation?

Zapier is quickest for simple app-to-app automations. Make suits visual, mid-complexity scenarios. n8n suits long workflows, AI agents, custom code, high volume and self-hosting for data control. A good agency picks the tool for your case rather than for its own convenience.

How long does an AI automation project take?

A focused pilot usually takes 2–6 weeks from scoping to launch. Larger agents with several integrations and approval steps usually take 2–4 months.

Who owns the automations an agency builds?

You should. Agree in writing that workflows, code, prompts and documentation are assigned to you on payment, and that they run in your own accounts, not the agency's.