ellul.ai / Services / AI automation
Custom AI agent
A repeated job that needs judgement, not just a fixed rule.
One fixed fee. Never by the hour. That is £5 under the median of 5 published prices.
- One agent built for one defined job, using your tools
- Asks your approval before any action that matters
- Every step it takes logged so you can check it
- AI model usage on your own account, at cost
How long: 2 to 3 weeks
What other agencies charge for custom AI agent
5 published prices for custom AI agent on the same basis, from 5 providers, have a median of £6,000 (middle half £4,500 to £6,500). ellul.ai's £5,995 is £5 under the median of 5 published prices.
| Who | Price | Basis | Source |
|---|---|---|---|
| ellul.ai | £5,995 | One-off | Fixed, this page |
| Chudi Nnorukamchudi.dev · chudi.dev | $2,000£1,500 | One-off | their page read Nov 2026“A scoped custom AI agent costs $2,000 to $5,000 and takes 2 to 4 weeks.” |
| Webmatx UKLondon · website-6ct.pages.dev | £4,500 | One-off | their page read Nov 2026“Focused Agent: From £4,500. Single workflow, one integration.” |
| GigabitGigaverse Global LLC · gigabit.agency | $8,000£6,000 | One-off | their page read Nov 2026“standard agents (support, chat, booking, lead-qual) start at $8,000 ... Flat, per agent” |
| Softomate SolutionsUK · softomatesolutions.com | £6,500 | One-off | their page read Nov 2026“Controlled AI agent development: From £6,500. One defined agent workflow with permissions, human approval where needed, audit trail and acceptance tests.” |
| SpotDevBath · spotdev.co.uk | £8,000 | One-off | their page read Nov 2026“A readiness assessment is £5,000, your first agent in production is £8,000, bespoke custom agents are £20,000 and a broader transformation programme is £45,000.” |
Prices as each provider publishes them on its own page, read November 2026; dollars at £0.75 and euros at £0.86. 4 more prices were read on another basis (hourly, a different unit or a different scope) and are not counted. The data: JSON and CSV.
How many people are asking for it
523 posts on Reddit asked to hire someone for custom AI agent between November 2025 and November 2026, 309 of them in the last 90 days, most on r/freelance_forhire, r/AI_Agents, r/forhire. Three of them: request 1, request 2, request 3. Every service ranked. These are businesses looking to buy each service, not jobs we are offering: ellul.ai sells these services and does not recruit through this site.
You pay separately, at cost
- AI model usage, billed to your own account by the provider
- Subscriptions to the tools the agent works in
What you supply
- A clear description of the job, with real examples
- Access to the tools and accounts the agent will use
- An account with the AI model provider, in your name
What the price does not cover
- One agent for one defined job; a new job is a new build
- It can make mistakes, so actions that matter wait for your approval
- Changes to the job after sign-off are quoted
How it works
Pick what you need
Choose a service and leave your details.
Get your fixed price
A written scope and price by email within a day.
Work gets done
Done in-house, once you approve the scope.
Questions
How much does custom AI agent cost?
Custom AI agent costs £5,995 at ellul.ai, a fixed price agreed in writing before work starts. 5 published prices for custom AI agent on the same basis, from 5 providers, have a median of £6,000 (middle half £4,500 to £6,500).
What is included?
One agent built for one defined job, using your tools. Asks your approval before any action that matters. Every step it takes logged so you can check it. AI model usage on your own account, at cost.
What is not included in the price?
You pay these directly, at cost: AI model usage, billed to your own account by the provider. Subscriptions to the tools the agent works in.
What do you need from me?
A clear description of the job, with real examples. Access to the tools and accounts the agent will use. An account with the AI model provider, in your name.
What does it not cover?
One agent for one defined job; a new job is a new build. It can make mistakes, so actions that matter wait for your approval. Changes to the job after sign-off are quoted.
How many people are looking for custom AI agent?
523 posts on Reddit asked to hire someone for custom AI agent between November 2025 and November 2026, 309 of them in the last 90 days, most on r/freelance_forhire, r/AI_Agents, r/forhire. Every service ranked the same way: https://ellul.ai/demand
How long does it take?
2 to 3 weeks. The written scope gives the timeline before anything starts.
Is it charged by the hour?
No. ellul.ai never charges by the hour or the day. The price is fixed against the written scope.
More in AI automation: AI automation build · AI assistant for your website · AI email desk · Workflow automation (Zapier, Make or n8n) · AI policy · AI receptionist for your phone line · WhatsApp Business setup and automation · AI opportunity audit · AI tools training for your team (ChatGPT, Copilot) · Instagram and Facebook DM automation · Instant lead follow-up · AI assistant on your own documents · AI content pipeline · Document and invoice processing automation · Agent-ready website (MCP server and AI shopping) · all services