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Apps 365 AI · Custom AI Solution Builders

Meet Otto365.
Custom AI that
answers calls

Apps 365 AI is the custom-AI arm of Apps 365. Otto365 designs, builds and runs the agents and automations that take the busywork off your plate - from AI receptionists to done-for-you growth with our flagship, GrowFleet.ai.

Book a call → Explore solutions
London · UK & EU · GDPR-first Custom builds from £999
Part of Apps 365 - makers of GrowFleet, AutoReceptionist & SheetForge.
24/7
AI that never clocks off
£999+
Custom builds
UK/EU
Hosted · GDPR-first
9+
Solutions & products
AI Receptionist · Live demo

Don't read about it.
Talk to it.

Press the mic and have a real conversation with our AI Receptionist - the voice agent that answers every call, books appointments and captures leads, day and night. Never miss another call.

See AI Receptionist →
TAP TO SPEAK · POWERED BY AUTORECEPTIONIST.AI
Custom-Built AI Solutions

Custom AI for the jobs you shouldn't be doing.

Every one custom-built for how your business actually works - bespoke where it counts, off-the-shelf where it fits. Otto365 builds and runs it; you approve, and take the time back.

AI Receptionist

A voice agent that answers every call, books appointments and captures leads - day, night and weekends.

VOICE · 24/7 · LEADS

Sales Automation

Instant lead response, CRM follow-up and workflows that chase every opportunity for you.

CRM · FOLLOW-UP

Social Media Automation

Done-for-you content and scheduling across every network. From £999.

CONTENT · SCHEDULING

Intelligent Dashboards

Live, AI-powered dashboards that tell you what to do next - connected to Microsoft 365 and your tools.

DATA · M365 · INSIGHT

No-Code AI Apps

Custom business apps and internal tools, built fast and secure - no code required.

APPS · SECURE

AI Search Visibility

Get found by ChatGPT, Gemini and Google's AI. Answer-engine optimisation that puts you in the answer.

AEO · GEO

AI Automation

Custom automation that runs whole workflows end to end, connected to the tools you already use.

WORKFLOW · 24/7

Custom AI Agents

Bespoke agents and chatbots trained on your business, built on Claude, ChatGPT, Gemini or Copilot.

AGENTS · CHATBOTS

Microsoft 365 & Copilot

Automate SharePoint, Teams and Outlook, and extend Copilot with your own data.

M365 · COPILOT
Flagship product · GrowFleet.ai

Your whole marketing team, on autopilot.

GrowFleet is our flagship AI growth engine. It researches your market, creates your social content, schedules across 8 networks and runs your ads - all from one private AI instance, UK/EU hosted, behind a human approval gate.

  • Content autopilot - plans, writes and schedules your posts across every network.
  • Ads Manager - runs Meta, Google, TikTok & LinkedIn, always paused until you say go.
  • Approval gate - nothing posts or spends without you. From £149/mo.
Explore GrowFleet →
content · this week12 queued
ads · meta + google● paused
approval · your queue3 to review
hosting · private instanceUK / EU
from · per month£149
Otto365 - the Apps 365 AI mascot
“Let's build it.” - Otto365
Meet Otto365

Your AI builder, on the team.

Otto365 is our mascot - and your single point of contact for everything we build. He scopes the job, builds the agent or automation, and keeps it running, so your team gets the time back and you stay in control.

  • Scopes it - finds the busywork worth automating and the payback before we build.
  • Builds it - custom agents, automations and apps, integrated with your stack.
  • Runs it - monitors, improves and reports - you approve, nothing happens without you.
Put Otto365 to work →
FAQ

Your questions, answered

The things businesses ask us most about custom AI, our services and getting started.

What does Apps 365 AI do?+
Apps 365 AI is the custom-AI arm of Apps 365 Ltd, a London AI automation agency. We design, build and run AI agents and automations - from AI receptionists and sales automation to intelligent dashboards, no-code apps and AI search visibility - for UK and EU businesses. Our flagship product is GrowFleet.ai.
What is an AI receptionist and how does it work?+
An AI receptionist is a voice agent that answers your calls 24/7 in your brand voice, books appointments straight into your calendar and captures every lead. It connects to your existing phone number, calendar and CRM, and hands off to a human whenever you want.
Can you build a custom AI agent for my business?+
Yes. We build bespoke AI agents and chatbots trained on your own knowledge and connected to your tools, so they answer accurately and take real actions - booking, updating your CRM and running workflows across web, chat and voice.
Which AI models do you use - ChatGPT, Claude, Gemini or Copilot?+
We are model-agnostic. We build with the best available - Anthropic's Claude, OpenAI's ChatGPT (GPT), Google Gemini and Microsoft Copilot - and choose the right model for each job, so you get the best result and no lock-in to one provider.
How much does a custom AI solution cost?+
Custom builds start from £999, with simple monthly running costs. GrowFleet, our done-for-you growth engine, starts from £149 a month. Book a free call for a fixed quote based on exactly what you need.
How long does it take to build and go live?+
Most solutions go live within a week or two. We start with the highest-value quick win, prove it works, then scale - so you feel the benefit fast rather than waiting months.
Is my data safe and GDPR-compliant?+
Yes. We host on UK and EU infrastructure, GDPR-first, with role-based access and full audit logs. Your data stays yours and is never used to train public models.
Do you work with Microsoft 365 and Copilot?+
Yes. We automate SharePoint, Teams and Outlook workflows on your own Microsoft 365 tenant, and extend Microsoft Copilot with your data so it answers from your business, not the open internet.
What is GrowFleet.ai?+
GrowFleet is our flagship product - an AI growth engine that researches your market, creates your social content, schedules across networks and runs your ads, all behind a human approval gate. Your own private instance, UK/EU hosted, from £149 a month.
How do I get started?+
Book a free 20-minute call. We will map the busywork, show you what is possible and give you a fixed quote - or a costed roadmap you can take away. Call +44 20 3890 3026, email info@apps365ltd.com or chat with Otto365.

Let's find the AI worth building for you.

Book a free 20-minute call. We'll map the busywork, show you what's possible and give you a fixed quote - custom builds from £999.

Book a call → Call +44 20 3890 3026