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AI chatbot development costs for UK businesses

AI Chatbot Development Cost UK

Custom AI chatbot starts from £5,000 for a defined first implementation. One channel, agreed knowledge sources and controlled human handover. Monthly care starts from £299/month; licences, hosting, usage and VAT are additional unless explicitly included. See the package options and running costs below.

Updated 12 September 2026. Published by Softomate Solutions.

Which chatbot package fits your project?

Custom AI chatbot with CRM integration: from £6,500 one-off. Custom chatbot plus one defined CRM connection and agreed read/write operations. Monthly care from £399/month. Prices exclude VAT. Required licences, hosting and usage are itemised before you commit. Care is optional after client-managed handover; additional development is quoted separately.

Existing-platform FAQ chatbot setup starts from £1,500 for implementation. Configure an existing chatbot platform with supplied FAQ content and a simple human handover. Monthly care starts from £99/month. Custom AI chatbot starts from £5,000 for implementation. One channel, agreed knowledge sources and controlled human handover. Monthly care starts from £299/month. Custom AI chatbot with CRM integration starts from £6,500 for implementation. Custom chatbot plus one defined CRM connection and agreed read/write operations. Monthly care starts from £399/month. RAG company knowledge assistant starts from £6,000 for implementation. Agreed document collection, grounded answers with sources, access rules and evaluation. Monthly care starts from £399/month. WhatsApp AI setup starts from £2,500 for implementation. One WhatsApp channel, supplied knowledge, qualification and one supported CRM/calendar handover. Monthly care starts from £99/month. Prices exclude VAT. Required licences, hosting and usage are confirmed separately before you commit. Care is optional after client-managed handover; additional development is quoted separately.

What costs continue after the build?

Separate the implementation fee from operating costs. The proposal should list hosting, model usage, channel or platform subscriptions and ongoing support as individual items. It should state VAT treatment, the included launch support period, usage allowances and overage rates.

  • Model usage varies with conversation length, the model selected and document retrieval.
  • WhatsApp, telephony and CRM providers can charge separately.
  • Hosting depends on storage, traffic, access controls and availability requirements.
  • Support covers the agreed monitoring, content changes, integration maintenance and response times.

Request a monthly estimate using your expected conversation volume, plus a higher-volume scenario. A single headline subscription does not describe a custom build's total cost.

What makes a chatbot project larger?

More channels and integrations mean more journeys to build and test. Several CRMs, data migration, document permissions, multilingual content and complex approval rules can move a project beyond the standard tier. Agree those requirements before comparing quotes.

Bring your current FAQ content, the CRM fields you need, a sample enquiry and your expected conversation volume. For a wider enquiry-to-booking process, review a focused workflow from £1,500. If you already use GHL, compare GHL CRM QuickStart from £2,000.

Buying a subscription or commissioning a build?

Trial a subscription when its existing features meet your workflow. Commission a custom build when you need specific integrations, control over the implementation or a process the product cannot support. Compare the same channels, handover behaviour, data access and support terms.

See the workflow

From an enquiry to a booked conversation

A useful first implementation connects one enquiry source to one CRM pipeline. This illustrative example shows the steps to agree before a build. It uses sample data and does not report a client result.

  1. Capture: receive the website or chatbot enquiry and its source.
  2. Qualify: collect the service required, location, budget band and preferred contact time. Offer a person when an answer is uncertain.
  3. Update the CRM: find an existing contact before creating a record; store the enquiry and communication preferences.
  4. Assign: route the opportunity to the agreed owner, with a task when a human decision is needed.
  5. Follow up: send the agreed acknowledgement and eligible follow-up messages; stop the sequence when the person replies or opts out.
  6. Book: offer an available appointment and record the confirmation. A failed booking becomes a task for the owner.
  7. Report: count enquiries, qualified opportunities, bookings and failed actions. Compare results over an agreed measurement period.
Inspect the sample CRM record
{
  "enquiry_reference": "DEMO-001",
  "source": "website_chat",
  "service_required": "CRM follow-up automation",
  "budget_band": "£8,000 - £20,000",
  "location": "UK",
  "pipeline_stage": "Needs scope call",
  "owner": "Assigned sales contact",
  "marketing_opt_in": false,
  "next_action": "Arrange requested scope call"
}

Your field names, consent rules and pipeline stages are mapped during discovery. The budget band is sample enquiry data, not a package quote.

What happens when something fails?

A repeated enquiry updates the existing record. An unavailable CRM queues the action and alerts its owner after the agreed retry limit. An unanswered question goes to a person with the conversation attached. Acceptance testing should cover these paths as well as a successful booking.

Bring one current enquiry and a screenshot of your pipeline to the scope call. We can agree the starting workflow, systems, acceptance tests and a fixed build proposal.

Chatbot budget questions

How much does AI chatbot development cost?

Existing-platform FAQ chatbot setup starts from £1,500 for implementation. Configure an existing chatbot platform with supplied FAQ content and a simple human handover. Monthly care starts from £99/month. Custom AI chatbot starts from £5,000 for implementation. One channel, agreed knowledge sources and controlled human handover. Monthly care starts from £299/month. Custom AI chatbot with CRM integration starts from £6,500 for implementation. Custom chatbot plus one defined CRM connection and agreed read/write operations. Monthly care starts from £399/month. RAG company knowledge assistant starts from £6,000 for implementation. Agreed document collection, grounded answers with sources, access rules and evaluation. Monthly care starts from £399/month. WhatsApp AI setup starts from £2,500 for implementation. One WhatsApp channel, supplied knowledge, qualification and one supported CRM/calendar handover. Monthly care starts from £99/month. Prices exclude VAT. Required licences, hosting and usage are confirmed separately before you commit. Care is optional after client-managed handover; additional development is quoted separately.

Can the chatbot create and update CRM records?

Existing-platform FAQ chatbot setup starts from £1,500 for implementation. Configure an existing chatbot platform with supplied FAQ content and a simple human handover. Monthly care starts from £99/month. Custom AI chatbot starts from £5,000 for implementation. One channel, agreed knowledge sources and controlled human handover. Monthly care starts from £299/month. Custom AI chatbot with CRM integration starts from £6,500 for implementation. Custom chatbot plus one defined CRM connection and agreed read/write operations. Monthly care starts from £399/month. RAG company knowledge assistant starts from £6,000 for implementation. Agreed document collection, grounded answers with sources, access rules and evaluation. Monthly care starts from £399/month. WhatsApp AI setup starts from £2,500 for implementation. One WhatsApp channel, supplied knowledge, qualification and one supported CRM/calendar handover. Monthly care starts from £99/month. Prices exclude VAT. Required licences, hosting and usage are confirmed separately before you commit. Care is optional after client-managed handover; additional development is quoted separately.

How long does delivery take?

The approved starter range is 3-5 weeks for a website-only FAQ chatbot. Standard CRM, WhatsApp or booking projects take 6-10 weeks. Enterprise timings are agreed after discovery. Access to systems, approved content and buyer feedback affect the schedule.

What will we pay after launch?

The fixed proposal lists setup, platform subscriptions, hosting, usage allowances and overage rates separately, with VAT treatment and support terms. Additional channels, migrations and integrations are scoped before purchase.

Why do custom chatbot builds cost more than platform setup?

Existing-platform FAQ chatbot setup starts from £1,500 for implementation. Configure an existing chatbot platform with supplied FAQ content and a simple human handover. Monthly care starts from £99/month. Custom AI chatbot starts from £5,000 for implementation. One channel, agreed knowledge sources and controlled human handover. Monthly care starts from £299/month. Custom AI chatbot with CRM integration starts from £6,500 for implementation. Custom chatbot plus one defined CRM connection and agreed read/write operations. Monthly care starts from £399/month. RAG company knowledge assistant starts from £6,000 for implementation. Agreed document collection, grounded answers with sources, access rules and evaluation. Monthly care starts from £399/month. WhatsApp AI setup starts from £2,500 for implementation. One WhatsApp channel, supplied knowledge, qualification and one supported CRM/calendar handover. Monthly care starts from £99/month. Prices exclude VAT. Required licences, hosting and usage are confirmed separately before you commit. Care is optional after client-managed handover; additional development is quoted separately.

What happens when the chatbot cannot answer?

AI can make mistakes. We define handover rules, restrict the knowledge sources and test representative questions before launch. An uncertain answer or failed action should create a task for a person, with the conversation attached. Your team agrees the acceptance criteria.

Written by Deen Dayal Yadav, Founder and AI Automation Director. Arrange a scope call to turn your workflow into a fixed proposal.

Clear scope, agreed costs

What does your first implementation cost?

Start with the workflow your business needs today. We confirm the implementation scope and full running costs before you commit.

Starting prices excluding VAT

Existing-platform FAQ chatbot setup

From £1,500

One-off implementation

Monthly plan from £99/month

Configure an existing chatbot platform with supplied FAQ content and a simple human handover.

Custom AI chatbot

From £5,000

One-off implementation

Monthly plan from £299/month

One channel, agreed knowledge sources and controlled human handover.

Custom AI chatbot with CRM integration

From £6,500

One-off implementation

Monthly plan from £399/month

Custom chatbot plus one defined CRM connection and agreed read/write operations.

RAG company knowledge assistant

From £6,000

One-off implementation

Monthly plan from £399/month

Agreed document collection, grounded answers with sources, access rules and evaluation.

WhatsApp AI setup

From £2,500

One-off implementation

Monthly plan from £99/month

One WhatsApp channel, supplied knowledge, qualification and one supported CRM/calendar handover.

Care is optional after client-managed handover and forms part of the fee while we manage your chosen service. We agree the monitoring, maintenance and technical assistance covered by your plan. Additional features and larger changes are quoted separately.

Your proposal identifies any required software licences, hosting and usage charges. We reuse suitable existing subscriptions and charge shared platform access once for the agreed account.

Ready to discuss your project?Speak directly with our founder. Free 30-min scoping call. No commitment.Softomate Solutions, Stanmore, London - 07442 569900
Deen Dayal Yadav, founder of Softomate Solutions

Deen Dayal Yadav

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