An AI agency is a company that designs, builds and runs artificial intelligence systems for other businesses: AI agents, chatbots, document processing and workflow automation connected to the tools a company already uses. You hire one when you want AI to take over a specific, repetitive job, but you do not have (or do not want to hire) an in-house AI team.
In practice, a working AI system from an agency costs EUR 2,000 for a single workflow up to EUR 25,000 for a multi-system build, and most go live in 2 to 6 weeks. Hiring the same capability in-house means EUR 55,000+ in first-year salary and 3 to 5 months before anything ships. This guide explains what you get for that money, the different kinds of AI agencies, and how to tell whether you need one at all.
Looking for an AI agency that ships working systems, not slide decks? See how we build AI agents and automation
What does an AI agency do?
A good AI agency does five things, in this order:
- Finds the work worth automating. It maps your manual processes and picks the ones where AI saves the most hours or prevents the most errors. Most agencies call this a process audit or discovery phase.
- Builds the system. That can be an AI agent that answers customer emails, a pipeline that reads invoices and writes them into your ERP, a lead-qualification flow, or a custom app with AI features.
- Connects it to your stack. CRM, ERP, webshop, email, Slack, Google Sheets. An AI system that lives in a separate tab nobody opens saves nothing.
- Adds human review where it matters. Low-confidence decisions go to a person instead of being guessed. This is the difference between a demo and something you can trust with customers.
- Runs and measures it. Hosting, model costs, monitoring, and a monthly number: hours saved, error rate, cost per processed item.
An AI agency is not the same as an IT company (which keeps your infrastructure running) or a classic digital agency (which runs campaigns). Its job is to turn a business process into a working AI system and keep it working.
Types of AI agencies
"AI agency" covers several different businesses. Knowing which one you are talking to saves weeks.
| Type | What they deliver | Good fit when |
|---|---|---|
| AI automation agency | Agents, chatbots and workflows built on existing models (OpenAI, Claude, Gemini) and connected to your tools | You have a clear manual process that eats hours every week |
| AI development agency | Custom software with AI inside: apps, portals, SaaS products | You need a new product or internal tool, not just a workflow |
| AI consulting firm | Strategy, roadmaps, vendor selection, training | You are a large company and need a plan before anything is built |
| AI marketing agency | Content, ads and SEO produced or optimized with AI | Your goal is more traffic and leads, not process automation |
Many agencies, including us, combine the first two. Be careful with firms that only do the third: you will get a roadmap, and then you still need someone to build it.
AI agency vs in-house team vs freelancer vs off-the-shelf tool
| AI agency | In-house AI hire | Freelancer | Off-the-shelf SaaS | |
|---|---|---|---|---|
| Typical first-year cost | EUR 6,000 to 25,000 + EUR 40 to 600/month running | EUR 55,000+ salary | EUR 3,000 to 15,000 | EUR 20 to 500/month |
| Time to first working version | 2 to 6 weeks | 3 to 5 months (hiring + build) | 2 to 8 weeks | Days |
| Covers strategy, build and integration | Yes | Depends on the person | Usually build only | No, you configure it |
| Risk if the person leaves | Low (team + documentation) | High | High | Low |
| Fits your exact process | Yes | Yes | Yes | Only if your process is standard |
Rule of thumb: if a ready-made tool already does 80% of what you need, buy the tool. If the process is specific to your business, touches several systems, or involves customer data, an agency is usually the faster and cheaper route than hiring. For a line-by-line cost breakdown, see AI agency pricing in 2026.
What an AI agency can automate
These are the projects that pay back fastest, roughly in order of how often we see them:
- Customer communication. AI agents that answer the 70% of emails and chat questions that repeat, and hand the rest to a person with a drafted reply.
- Document processing. Invoices, orders, contracts and forms read automatically and written into your ERP or accounting software, with a review queue for unclear cases.
- Lead qualification. Incoming inquiries scored and routed, so sales spends time on the leads that can actually buy. More in AI lead qualification.
- Content and localization at scale. Product descriptions, translations and feeds for many markets, kept in sync automatically.
- Internal tools and AI-powered apps. Calculators, portals, dashboards and admin systems with AI features built in.
When do you need an AI agency?
You probably need one if at least two of these are true:
- A task takes more than 10 hours a week and follows roughly the same steps every time.
- You have no one in-house who has shipped an AI system to production before.
- The process touches several systems (email, CRM, ERP, webshop) and needs to be connected.
- You need it live this quarter, not after a 4-month hiring process.
- Mistakes are expensive, so you need human review, logging and someone accountable.
You probably do not need one if a standard SaaS tool already covers the job, if the task takes an hour a week, or if your data lives on paper and the first step is simply getting it into a system.
How to choose an AI agency
Five questions separate an agency that ships from one that only advises:
- Can I see a system you built that is running today? Not a demo video. A live product, ideally one you can click through.
- Who owns the code, the prompts and the data? You should. Ask for it in the contract.
- What happens when the AI is unsure? The right answer involves a human review step and logging.
- What will it cost to run per month? Model, hosting and maintenance costs should be estimated before you sign.
- How will we measure success? Hours saved, error rate, response time. If the agency cannot name the metric, it cannot hit it.
We wrote a longer checklist with warning signs: How to choose an AI automation agency: 12 questions and 7 warning signs.
Common misconceptions about AI agencies
"AI agencies are only for large companies." Most of our projects are for small and mid-sized businesses. A single automated workflow starts around EUR 2,000, and the payback is usually measured in months.
"The agency sets it up once and AI does everything." AI systems need monitoring, prompt and model updates, and someone who notices when inputs change. Budget for running costs from day one.
"AI agencies replace staff." In practice the goal is to remove the copy-paste work, so the same team can handle more customers, markets or orders.
What an AI agency actually builds: examples from our work
Somos Media is an AI and web agency. These are systems we built that are live and you can open today:
- DogDietLab: an AI SaaS that generates personalized dog nutrition plans, with 24 regional versions; the first working version took about two weeks.
- Agrider: an agricultural machinery platform in 5 languages with around 2,500 URLs, a machine valuation tool, a leasing calculator, and automated feeds and translation.
- Melini: four country webshops in four currencies, with AI supporting product content and localization across markets.
- Shinster: our own e-commerce brand running in 27 countries and 24 languages, where AI automation is what makes multi-market operations possible for a small team.
The common thread: these are working systems that sell, not prototypes. You can read the details in our case studies.
Frequently Asked Questions
What is an AI agency?
An AI agency is a company that designs, builds and maintains artificial intelligence systems for businesses, such as AI agents, chatbots, document processing and workflow automation, and connects them to the tools the business already uses.
What does an AI agency do?
It identifies which processes are worth automating, builds the AI system, integrates it with your CRM, ERP, webshop or email, adds human review for uncertain cases, and then runs and measures the system over time.
How much does an AI agency cost?
A single automated workflow typically starts around EUR 2,000. Multi-system projects cost EUR 6,000 to 25,000, plus EUR 40 to 600 per month for models, hosting and maintenance.
When do you need an AI agency?
When a repetitive task takes more than about 10 hours a week, touches several systems, and you have no one in-house who has put an AI system into production. If an off-the-shelf tool already covers the job, you probably do not need one.
What is the difference between an AI agency and an AI automation agency?
"AI agency" is the broad term. An AI automation agency is a type of AI agency that focuses on automating business processes with AI agents, chatbots and workflows, rather than on consulting or AI-assisted marketing.
Is it better to hire an AI agency or build an in-house team?
For a first project, an agency is usually faster (weeks instead of months) and cheaper (a project fee instead of a EUR 55,000+ salary). An in-house team makes sense once AI is core to your product and you have several systems to maintain.