Design Dev
Img S 3

Trusted by 150+ UK & International Businesses for AI Chatbot Development

AI Chatbot Development Company in London

Custom AI chatbots that answer customer questions 24/7, capture leads and cut support workload for UK businesses.

Image
London AI chatbot developers building smart assistants for websites, WhatsApp and support, trained on your business.
AI Chatbot Development Services
Check 3

Smart, business-trained AI chatbots

Smart, business-trained AI chatbots

AI chatbots that help customers instantly

Design Dev is an AI chatbot development company in London. Trained on your own content, products and policies, our website and WhatsApp chatbots give accurate answers, capture leads, book appointments and hand over to your team when needed.
01

Website AI Chatbots

Smart chat assistants that answer questions, recommend services and turn website visitors into leads.
Website AI Chatbots
02

Customer Support Chatbots

Resolve common questions, order queries and returns instantly, reducing ticket volume for your team.
Customer Support Chatbots
03

WhatsApp & Messenger Bots

AI assistants on WhatsApp Business, Facebook Messenger and Instagram that reply in seconds, 24/7.
WhatsApp & Messenger Bots
04

Knowledge Base Chatbots

Internal AI assistants that help staff find answers from policies, manuals and company documents.
Knowledge Base Chatbots

A clear AI chatbot process from idea to launch

01

Use Case & Goals

We agree what the chatbot should handle, where it lives and how success will be measured.

02

Knowledge & Conversation Design

We gather your content, design conversation flows, tone of voice and handover rules.

03

Build & Integration

Chatbot built on leading AI models and connected to your website, CRM and helpdesk.

04

Testing & Guardrails

We test accuracy, edge cases and safety, and add guardrails so answers stay on topic.

05

Launch & Improvement

Go live, review real conversations and keep improving answers and conversions.

Project process 1
Project process 2
Project process 3
Why AI chatbots are changing customer service in the UK

Why Choose Us

Why AI chatbots are changing customer service in the UK

Customers expect fast answers, day and night. Old-style chatbots with fixed scripts frustrate users, while hiring more support staff is expensive. Modern AI chatbots understand natural questions, reply like a helpful team member and work across your website and messaging apps.

A well-built AI chatbot answers accurately, captures leads and hands complex chats to a person. Combine it with AI workflow automation to handle follow-up tasks automatically.

  • 24/7 Support
  • More Leads
  • Lower Support Costs
  • Trained on Your Data

Complete AI chatbot development services

01

Custom AI Chatbots

Chatbots built around your business, tone of voice, goals and customers.
02

Website Chat Assistants

AI chat widgets that answer questions and convert website visitors.
03

WhatsApp AI Chatbots

Automated WhatsApp Business conversations for sales, bookings and support.
04

Customer Support Bots

Handle FAQs, order status, delivery questions and returns instantly.
05

Lead Qualification Bots

Ask the right questions and send qualified leads straight to your CRM.
06

Booking & Appointment Bots

Book meetings, calls and appointments inside the chat conversation.
07

Knowledge Base Chatbots

Accurate answers from your documents, policies and help centre articles.
08

Internal Staff Assistants

Help teams find procedures, HR policies and product information fast.
09

Multilingual Chatbots

Support UK and international customers in many languages automatically.
10

Human Handover

Smooth transfer to live agents with the full chat history attached.
11

CRM & Helpdesk Integration

Connect HubSpot, Zendesk, Intercom, Freshdesk and your own CRM system.
12

Analytics & Improvement

Track conversations, gaps and conversions, then keep improving answers.

Ready for an AI chatbot that helps customers 24/7?

Speak with our London team about a custom AI chatbot that answers accurately, captures more leads and reduces support workload.

AI chatbot expertise across key industries

Hospitality & Leisure

Industry focus

Hospitality & Leisure

AI chatbots for hotels, restaurants and venues that answer guest questions, take bookings and upsell offers around the clock.

  • Table bookings
  • Room enquiries
  • Menu questions
  • Event enquiries
  • Upselling offers

Why Design Dev

A London AI chatbot partner focused on quality and commercial results

Design Dev works with business owners, support managers and marketing teams who want AI that genuinely helps customers, not a gimmick. We combine conversation design, software engineering and hands-on AI experience to build chatbots that deliver results.Expect honest advice, careful testing, secure data handling and chatbots measured by real outcomes like leads and tickets saved.

150+

Projects delivered

5+

Years experience

UK+

London & worldwide

98%

Client retention

A London AI chatbot partner focused on quality and commercial results

Conversation design and engineering for businesses that need an AI chatbot that performs.

01

Answers you can trust

Chatbots grounded in your approved content, with safe fallbacks.

02

Human when needed

Smooth handover to your team for complex or sensitive conversations.

AI chatbot technologies we work with

OpenAI

OpenAI

Claude

Claude

Google Gemini

Google Gemini

LangChain

LangChain

LlamaIndex

LlamaIndex

Pinecone

Pinecone

Python

Python

Node.js

Node.js

Laravel

Laravel

WhatsApp Business API

WhatsApp Business API

Twilio

Twilio

Intercom

Intercom

What clients say

Quote 3

Design Dev transformed our e-commerce platform. Their team was efficient, responsive, and delivered a stunning layout that doubled our conversion rate within a month.

avatar img

Sarah Jenkins

Vauxhall Marketing - Shopify Development
Quote 3

An absolute pleasure to work with. They understood our brand identity perfectly and designed a clean, user-friendly SaaS platform that our clients love.

Fluxgig Logo

David Thorne

FluxGig - UI/UX Design
Quote 3

The custom WordPress build is super fast and easy for our content editors to update. Outstanding attention to detail and SEO optimization.

Img S 3

Amara K.

Apsara Cosmetics - WordPress Development
Quote 3

They built a highly custom, secure medical inventory portal on-budget. Their engineering skills are top-tier.

Img S 4

Julian Reed

Upcycled Medical - Web App Development
Quote 3

From logo creation to full visual guidelines, Design Dev gave our construction firm a modern and premium corporate look.

Img S 5

Emily Watson

Smart Build UK - Branding & Design
Quote 3

Our organic search traffic increased by 150% in three months. Their SEO team really knows their stuff.

Img S 6

Marcus Sterling

Supra Cycling - Search Engine Optimization

Brands we have worked with

FAQ

Frequently Asked Questions

A normal chatbot follows fixed scripts and buttons. An AI chatbot understands natural language, uses your business knowledge and gives helpful, human-like answers to questions it has never seen before.

Start a project

Tell us about your project

Share your goals, timeline and requirements. Our London team will reply with a practical recommendation and estimate.

UK Branch Office

London, United Kingdom

2 Bessborough Gardens, Westminster, London, UK

+44 7459 579227

Development Center

Sialkot, Pakistan

2nd Floor, Yousaf Plaza, Opposite Mazeeo Sadar Bazar, Sialkot Cantt

+92 337 4905 313
Prefer WhatsApp? Message us directly

Project enquiry

Fill in your details and we'll get back within 24 hours.