BESPOKE AI PLATFORMS

AI platforms
for business.

AI voice agents, AI receptionists and booking engines that answer every call, fill every slot and keep your calendar, CRM and payments in sync — designed around how your business actually runs.

BUILT FOR
Clinics, dental, aesthetics, hospitality, services
ANSWERS
Calls, web chat, WhatsApp, SMS — 24/7
CONNECTS TO
Calendars, CRMs, PMS, SMS, payments
APPROACH
Bespoke, human hand-off, GDPR-aware

IN SHORT

Nu Growth Theory designs and builds bespoke AI platforms for businesses: AI voice agents and AI receptionists that answer calls 24/7, AI booking engines that schedule and reschedule appointments automatically, and chat agents for websites and WhatsApp. Each platform connects to the tools you already use — calendars, practice-management systems, CRMs, SMS and payments — and hands complex or sensitive conversations to a human.

What is an AI voice agent?

An AI voice agent is software that answers and makes phone calls in natural, conversational speech. It understands what the caller wants, asks follow-up questions, takes actions such as booking an appointment or taking a deposit, and passes the call to a person when needed.

Modern voice agents combine speech recognition, a large language model trained on your business's information, and a natural-sounding voice. Unlike old phone menus ('press 1 for bookings'), callers simply say what they need. The agent can work 24 hours a day, answer several calls at once, and never puts anyone on hold.

What can an AI receptionist do for my business?

An AI receptionist answers your phone and website enquiries, books and reschedules appointments, answers common questions, takes messages and routes urgent calls to your team — around the clock. For busy clinics, practices and venues, it means no more missed calls, voicemails left unanswered or front-desk staff stuck on the phone.

  • Answer every call, including evenings, weekends and peak times
  • Book, move and cancel appointments directly in your calendar or practice system
  • Answer FAQs: prices, opening hours, parking, preparation, policies
  • Take deposits or send payment links to reduce no-shows
  • Send SMS or email confirmations and reminders automatically
  • Qualify new enquiries and pass hot leads to the right person
  • Hand over to a human for complex, clinical or sensitive conversations

AI booking engines and automated appointment scheduling

An AI booking engine lets customers book by phone, chat or your website in plain language — 'Have you got anything Thursday afternoon with Dr Patel?' — and finds the right slot based on your real availability, staff, rooms and treatment durations. It then confirms the booking, sends reminders and updates every connected system.

We build booking flows around your rules: consultation-before-treatment, deposits for high-value appointments, buffer times, resource clashes, and waiting lists that automatically fill cancellations. The result is a fuller diary with less admin and fewer no-shows.

AI booking and voice agents by industry

The same platform adapts to very different businesses. These are the sectors where AI receptionists and booking engines tend to deliver the fastest return, because they rely on phone bookings and lose revenue to missed calls.

Plastic surgery & aesthetic clinics

Book consultations, explain the consultation process, take deposits, send pre-consult forms and route clinical questions to the team — discreetly and around the clock.

Dental practices

Handle check-ups, hygienist appointments, cancellations and emergency triage, and reduce no-shows with automated reminders and easy rescheduling.

Medical, physio & private clinics

Triage enquiries, book the right practitioner and appointment type, and send intake forms ahead of the visit.

Spas, salons & wellness

Book treatments and packages, upsell add-ons, manage couples' and group bookings, and fill late cancellations from a waiting list.

Restaurants & hospitality

Take table bookings, manage dietary notes and large-party enquiries, and confirm by SMS without tying up front-of-house staff.

Professional & home services

Qualify leads, book surveys and call-outs, and sync jobs to your CRM or field-service software.

Which systems can an AI agent connect to?

AI agents connect to the systems you already use through their APIs or automation platforms such as n8n, so bookings, customer records and payments stay in one place. We map your existing stack during discovery and only build what's needed.

  • Calendars and booking tools: Google Calendar, Outlook, Calendly, Cal.com and industry booking systems
  • Practice and clinic management systems with available APIs
  • CRMs: HubSpot, Salesforce, Pipedrive and others
  • Messaging: SMS, WhatsApp Business, email and Slack/Teams notifications
  • Payments: Stripe and payment links for deposits
  • Telephony: existing numbers, call forwarding and SIP connections

AI chat agents for websites and WhatsApp

An AI chat agent answers questions and takes bookings in writing — on your website, in WhatsApp or by SMS — using the same knowledge and booking logic as your voice agent. Many customers prefer to message rather than call, especially out of hours.

Because every channel shares one brain and one calendar, a customer can start on WhatsApp, call later and be recognised, and your team sees the full history in your CRM.

Bespoke AI platform vs off-the-shelf AI receptionist

Off-the-shelf AI receptionists are quick to set up but limited to generic scripts and a short list of integrations. A bespoke AI platform is designed around your services, rules, tone of voice and systems, so it can handle the real complexity of your bookings and grow with you.

We'll recommend an off-the-shelf tool if it genuinely fits. When it doesn't — multi-site businesses, complex treatment pathways, deposits, custom systems — we build a platform you own, documented and handed over, with no lock-in.

Are AI voice agents safe and GDPR compliant?

AI voice agents can be deployed in a GDPR-compliant way when they're designed with data protection from the start: clear caller notices, data minimisation, secure hosting, access controls, defined retention periods and a data processing agreement. We design every platform with these controls and with your data protection responsibilities in mind.

Agents are given firm boundaries. They don't give medical or clinical advice, they escalate sensitive topics to people, and every conversation can be logged and reviewed. You stay in control of what the agent can and can't say.

How much revenue do missed calls cost?

For appointment-based businesses, every unanswered call is a potential booking that may go to a competitor. Missed calls tend to cluster at the busiest times — lunchtimes, evenings and weekends — exactly when your team is least able to pick up.

During discovery we look at your call volumes, missed-call rates, average booking value and no-show rate, and build a simple model of what an AI receptionist could recover. That gives you a clear business case before anything is built.

What's included

01

Discovery & call audit

We map your booking journeys, call volumes, systems and rules.

02

Conversation design

Scripts, tone of voice, FAQs and escalation rules written with your team.

03

Voice & chat agents

Natural-sounding agents on your phone line, website and WhatsApp.

04

Integrations

Calendar, CRM, SMS, payments and practice systems connected via APIs and n8n.

05

Testing & safeguards

Edge-case testing, human hand-off, logging and data protection controls.

06

Monitoring & improvement

Call reviews, analytics and ongoing tuning — managed or self-service.

How we work

  1. 1

    Discover

    Map calls, bookings, systems and the revenue at stake.

  2. 2

    Design

    Write the conversations, rules and hand-offs with your team.

  3. 3

    Build & test

    Connect your systems and test hundreds of real-world scenarios.

  4. 4

    Launch & tune

    Go live in stages and improve from real conversations.

Frequently asked questions

Will callers know they're talking to an AI?

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We recommend being transparent. The agent can introduce itself as a virtual assistant, and callers can ask for a person at any time.

Can an AI receptionist book directly into my calendar or practice system?

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Yes, where the system offers an API or integration. We connect to common calendars, CRMs and many practice-management systems, and confirm compatibility during discovery.

What happens if the AI can't answer a question?

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It hands over to your team — by transferring the call, taking a detailed message or creating a task in your CRM — based on rules you set.

Can it take deposits to reduce no-shows?

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Yes. The agent can send a secure payment link by SMS or email, and only confirm the booking once the deposit is paid, if that's your policy.

How long does it take to launch an AI voice agent?

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A focused first version can often be live within weeks, depending on the number of services, integrations and rules. We usually launch for one booking type first, then expand.

Does it work outside office hours?

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Yes. AI agents answer 24/7, including evenings, weekends and bank holidays, and can handle several calls at once.

Is it suitable for medical and aesthetic clinics?

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Yes, for administrative tasks such as booking, rescheduling, FAQs and forms. The agent doesn't give clinical advice and routes clinical questions to qualified staff.

Do we own the platform?

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For bespoke builds, yes. We document everything and hand it over, and can either manage it for you or train your team to run it.

START WORKING WITH US

Kick off your next phase of growth. Today.

Book a free 1-hour AI Growth Audit with a senior specialist. We'll show you where AI agents would amplify your team most — no obligation.