Bespoke and Developer
AI Chatbot Development
AI chatbot development that gives your website, app, or messaging channels a bot capable of answering real questions, qualifying leads, and handling routine tasks without a person watching over it. Built around your content and workflows, trained on your business, and improved as real conversations come in.
Some of our direct clients
Why Businesses Choose Zestcode
Senior, UK-based developers who build chatbots grounded in your own content, so answers stay accurate and tied to sources you control.
24/7 Support
AI chatbots provide instant, accurate answers to common questions, reducing the need for manual support.
Lead Generation
Engage visitors in real time, qualify leads, and pass them directly to your sales team or CRM in real-time.
Multi-Platform
Deploy chatbots on your website, mobile app, WhatsApp, Messenger, or Slack. Wherever your users are.
On-Brand and Bespoke
Every chatbot is designed around your brand voice, workflows, and goals, not a one-size-fits-all template.
AI-Powered
Using natural language processing (NLP) and machine learning, we build bots that understand context and improve over time.
Secure and Reliable
All bots are designed with data security, privacy, and compliance in mind, ensuring safe interactions with your users.
The Channels And Systems Your Bot Connects To
Websites, apps, WhatsApp, Messenger and Slack, wired into your CRM and business tools so a conversation becomes a qualified lead or a completed task. Built around your stack, not a fixed template.
Laravel & Bespoke Platforms
For systems and platforms that require bespoke processes, data handling complex integrations or internal business platforms with security at the forefront of the build.
WordPress & WooCommerce
For fast, reliable and easy to manage brochure based websites built following best practice with a bespoke theme powered by ACF Pro and supporting custom built plugins.
Shopify & Shopify Plus
For eCommerce and retail brands looking to grow revenue significantly online. Built using a bespoke theme specific to your brand and with a full seamless migration from legacy platforms.
Recently Completed Projects
Clintons Cards
A full migration from Magento 2 to Shopify Plus, with order, customer, product, stock and finance integrations kept live through the switch.
Ecommerce · Shopify Plus · IntegrationsQualityHive
A Laravel platform that web agencies use to capture, assign and close website bugs, taken from wireframe to launch, then handed over as clean, documented code.
SaaS platform · Laravel · API integrationsThe Sauce Foundry
A brand, a WooCommerce store and product photography for an artisan hot sauce startup, launched to a 3.8% conversion rate from day one.
Ecommerce · Branding · WooCommerceHave a project like these in mind?
Get in touchHere's What Our
Clients Say
Consistently rated 5* on Google by our full build clients and retainer clients.
Frequently Asked Questions
Custom AI Chatbot Development for Support, Leads and Automation
Most chatbot projects come down to three honest questions: will it actually answer things correctly, will it embarrass you in front of a customer, and what happens when it does not know something. Here is how we build chatbots that hold up on all three.
What an AI chatbot actually does for you
An AI chatbot is a conversational layer over the knowledge and processes you already have. Instead of a customer hunting through your site or waiting on an email, they ask a question in plain language and get a straight answer, drawn from your content rather than guessed at.
The value shows up in the quiet, repetitive work. The same delivery question answered forty times a day. The pricing query that arrives at 11pm when nobody is at a desk. The visitor who would have qualified as a lead if someone had replied in the first two minutes. A good bot handles those on its own and hands over the ones that genuinely need a person.
We treat a chatbot as a product, not a widget you paste in and forget. It should get more useful over time, not drift out of date the week after launch.
How we stop the bot from making things up
The single biggest risk with an AI chatbot is a confident wrong answer. A bot that invents a returns policy or quotes a price you do not offer is worse than no bot at all, and it is the failure that damages trust fastest.
We build against that directly. Rather than letting a language model answer from memory, we ground it in your own content, your documentation, product data, and policies, so responses come from sources you control. When the bot is not sure, it says so and offers a route to a human instead of guessing. This retrieval-based approach is the same thinking behind our OpenAI API integration for WordPress work, where answers have to stay tied to real content.
We also test with the awkward questions on purpose, the ambiguous ones, the ones phrased badly, the ones designed to trip it up, because those are what real users send.
Turning conversations into qualified leads
A support bot that only deflects tickets is doing half the job. The same conversation that answers a question is often the best moment to capture a lead, while the visitor is engaged and their intent is clear.
We design bots that ask the right qualifying questions naturally, without turning the chat into an interrogation, then pass clean, structured data straight into your CRM or sales inbox in real time. No copying details out of a transcript later. If a conversation shows buying intent, your team hears about it while it still matters.
Where that needs to plug into an existing sales stack, it pairs naturally with our HubSpot API integrations and Salesforce API integrations, so a chat that starts on your homepage ends up as a properly tracked opportunity.
Not sure a chatbot fits your business?
Tell us the workflow you are trying to take off your team and the channels your customers use. We will tell you honestly whether a chatbot earns its place or whether something simpler would do the job.
Where your chatbot can live
Your customers are not all in one place, so we build bots that deploy wherever they already are. That usually means your website, but it can just as easily be your mobile app, WhatsApp, Facebook Messenger, or an internal Slack workspace.
The underlying logic stays consistent across channels, so a customer gets the same quality of answer whether they message you on your site or on WhatsApp, and you are not maintaining several different bots that slowly diverge.
Internal-facing bots are worth a mention too. The same technology that answers customers can sit in front of your own team's documentation and processes, which is often where it connects to wider business automation work.
Keeping conversations secure and compliant
Chatbots handle exactly the data you have to be careful with: names, contact details, order information, sometimes far more sensitive things depending on your sector. That has to be designed in from the start, not bolted on once it is live.
We handle personal data properly, keep it encrypted in transit, retain only what the bot genuinely needs, and are clear about where conversation data is processed and stored. Where a bot passes data to a third-party model, we make sure that flow is understood and controlled rather than a black box.
If your project also needs front-end consent handling for the chat widget itself, that sits neatly alongside GDPR cookie consent setup, so the whole thing is compliant from the first click.
Training, tuning and keeping it sharp
A chatbot is not finished at launch, it is just old enough to learn from. The first few weeks of real conversations tell you more about what people actually ask than any planning session could.
We review real transcripts to find the questions the bot handled badly, the gaps in your content it exposed, and the moments it should have escalated sooner. Those findings feed back in, so the bot's answers tighten up and its handovers get smarter over time.
You can run that yourself once we have set it up, or hand it to us to manage. Either way the aim is the same: a chatbot that quietly gets better instead of one that ages badly and ends up switched off.
Partner with Zestcode for Industry Leading Quality and Reliability
Tell us what you're looking for and we'll see how we can help. Quotes are typically provided within 2 working days of the initial call.