Best Voice Bot Platforms in the UK

IBM watsonx Assistant (Formerly Watson Assistant) is a market-leading enterprise conversational AI platform that allows you to build intelligent virtual and voice assistants that can provide customers with fast, consistent and accurate answers across any messaging platform, application, device or channel. Using artificial intelligence and large language models, watsonx Assistant learns from customer conversations, improving its ability to resolve issues the first time while removing the frustration of long wait times, tedious searches and unhelpful chatbots. Most chatbots try to mimic human interactions, frustrating customers when a misunderstanding arises. IBM watsonx Assistant is more than a chatbot. It knows when to search for an answer from a knowledge base, when to ask for clarity and when to direct users to a human agent for more assistance. And since it can be deployed in any cloud or on-premises environment – smarter AI is finally available wherever you need it.

Online sales peak late in the evening, and plumbing can break down anytime. Create a fantastic customer experience by automatically answering customer calls 24/7. Neither do your customers. Help your customers get the answers they need and even book appointments anytime. Your focus is your superpower. Use it to grow your business. Let IsOn24 answer your customers because every superhero needs an intelligent sidekick. IsOn24 can queue live calls in the same order they are received. The callers hear your messages and music while waiting in the queue. You answer the waiting calls from anywhere using any phone or no phone, open the IsOn24 app and answer waiting calls from your tablet or computer.

Rosie is an AI-powered phone answering service designed for small and medium-sized businesses. With Rosie, you can ensure that every call from a potential customer is answered, while also providing excellent support to your existing clients. Available 24/7/365, Rosie answers your calls, delivers accurate information to callers, takes detailed messages, and even schedules appointments directly on your calendar. If you're frustrated with missed calls, potential customers hanging up on voicemail, or being unable to pick up the phone while on the job or after hours, Rosie is your solution. Setting up is quick and easy. Simply forward your calls to your Rosie number whenever you're unavailable, and manage everything from the intuitive Rosie admin. Rosie is ideal for home service providers, local businesses, or any company that relies on phone leads.

Grow your business with AI phone agents that are smart, helpful, and available 24/7. Unlock the power of AI to handle calls for your business. Transform every call into an opportunity with AI that's always available. Boost revenue, enhance productivity, and delight customers. Describe what you want your agent to do. Choose a local number for your AI to use. Your agent will answer your calls and texts. Vida agents learn from instructions. Just describe what you want your agent to do when people call or text, and Vida will take care of the rest. No coding or technical skills are required. Give the agent your website, upload a doc, and Vida will learn from it. Vida agents engage with your customers just like a real person. Agents converse to understand problems, gather information, and triage solutions. Connect your agent to external data sources and let it solve real problems for your customers.

Maple is a voice AI customer support platform built specifically for restaurants and similar service businesses that uses advanced natural language and menu-aware intelligence to answer inbound calls 24/7, take and process orders with high accuracy, manage reservations (including booking, modification, and cancellation), upsell intelligently, and work with multiple languages so teams never miss opportunities or lose business due to unanswered calls or manual handling; it integrates directly with restaurants’ point-of-sale systems to understand menus, including dietary needs and allergies, capture orders precisely, personalize guest interactions, and drive higher average ticket sizes and operational efficiency, while enterprise-grade infrastructure supports scalability and reliability across single or multi-location operations so restaurants can automate routine call tasks, increase order capture, and enhance guest experience without added staffing burden.

Bland is an AI-powered platform that automates phone calls for enterprises, providing highly realistic conversational agents for tasks like sales, scheduling, and customer support. With its self-hosted, end-to-end infrastructure, Bland ensures fast response times, 99.99% uptime, and high security. The platform allows businesses to build custom phone agents that can interact in any language, handle complex workflows, and integrate with existing systems. Bland offers cost-effective, scalable AI solutions for enterprises, ensuring that calls are completed efficiently and in a personalized, natural-sounding manner.

Replace your customer service with an AI phone agent. Replace customer service with a human-like AI phone agent. Picks up immediately, available 24/7, speaks to 1000s at the same time, answers all customer questions, and informs customers about order status. Choose language, voice, gender, environmental sounds, voice speed, voice stability, engagement, and more. Tell the agent whatever you want it to do. You'll get task templates you can use and tailor to your needs. If a phone call requires a human, the AI can transfer the call to the right person. From call recordings to transcripts and extensive analytics, you can check everything that ever happens. If your needs exceed what our plans offer, or if you need custom features or integrations, please contact us so we can set up a custom plan. Our AI calling assistant is designed to enhance your e-commerce business by managing all incoming calls, so your customers always feel heard and valued.

AI voice assistant for businesses of every scale. Callin's AI-driven voice assistants are tailored to bolster the growth of businesses, handling inbound and outbound customer conversations. Quick to implement and built for impactful results, Callin AI agents are the quintessential team additions, encapsulating the AI features you’ve always imagined. Callin responds to unanswered calls consistently, 24/7, and handles calls from both external customers and internal employees. Outperforms human agents in turning leads into clients. Our AI voice agents are customizable to meet the specific needs of your business. Answer every incoming call, capture lead details, and book appointments on the spot. Follow up on missing documents and incomplete applications. Speed up the process and maximize conversion. Remind customers of upcoming payments and appointments, or share critical updates. Handle any number of calls in a language of your customers’ choice.

Triviat is a full-featured AI communication platform built for modern businesses that want to streamline customer support, sales, and appointment management. It allows companies to deploy intelligent voice and chat agents that work 24/7 across all major channels — including phone, web chat, email, SMS, WhatsApp, and social media. Triviat’s agents deliver human-like conversations in over 50 languages, making them ideal for global brands and multi-location service providers. Whether it’s handling appointment bookings, answering FAQs, processing orders, or qualifying leads, Triviat reduces support costs while improving speed and consistency. For complex interactions, conversations are smoothly handed off to human agents. With industry-specific use cases (e.g. retail, healthcare, hospitality, auto service), integrations with 5,000+ tools, and built-in compliance with GDPR and the EU AI Act, Triviat is a scalable and secure solution for AI-driven business communication.

Replicant is the world’s first autonomous contact center that brings always-on, elastic capacity to every customer experience with voice AI. Solve customer issues over the phone with flexible, natural-sounding AI-powered conversations that accurately recognize customer intent for fast resolutions. Answer every call immediately and eliminate hold times with 24/7 service available anytime, anywhere. Scale customer service up or down without ballooning costs, training new agents, offshoring, or planning for seasonal fluctuations. Dramatically reduce your customer service costs; only pay for what you use without committing to capacity. Measure overall customer satisfaction, track average handle time, and discover new trends like competitor mentions, defective products, and upsell opportunities to serve customers like never before.

PlayAI is a voice intelligence platform that enables businesses to create highly realistic, human-like AI voices for a variety of applications. The platform provides tools for building voice agents that can be deployed across web platforms, mobile apps, and phone systems. PlayAI's voice models are designed to sound fluid and emotive, enhancing customer support, personal assistance, and even front desk interactions. With flexible deployment options, the platform supports applications like voiceover creation, podcasts, and more, making it an ideal solution for companies looking to integrate conversational AI into their services.

Feather is an AI-powered voice agent platform that lets businesses create, customize, deploy, and manage intelligent phone call automation that sounds human and handles real tasks at scale, supporting both inbound and outbound calling with context-aware memory, multilingual understanding, seamless warm handoffs to humans, and native telephony essentials like hold music and voicemail detection; its agents can access company knowledge bases for accurate answers, integrate with calendars and CRMs, book appointments, follow up on leads, and automate repetitive communication workflows so teams never miss opportunities and can focus on higher-value work. Built for production-grade reliability and enterprise use, Feather includes observability and quality testing tools to ensure consistent call performance, supports integrations via APIs and webhooks, and can be white-labeled for agencies and software providers while meeting compliance and data-security standards.

Automate customer interactions with our comprehensive Conversational AI Platform that includes both voice and text solutions tailored to your business needs. byVoice is a dynamic and innovative software development company specializing in advanced B2B solutions. With expertise in cloud-based technologies, AI tools, and Unified Communication systems, we drive business efficiency and growth. Our experienced team is committed to our clients' success, valuing reliability and delivering tailored solutions for unique needs and goals.

Manage all your inbound and outbound calls effortlessly with Greetmate, the ultimate A.I. call platform. Loved by users, Greetmate serves as your virtual receptionist, gathering caller information, scheduling appointments, generating leads, sending webhooks, and seamlessly integrating with Zapier. Greetmate’s advanced, no-code workflow builder empowers you to design any type of call workflow, making it one of the most powerful tools available. Define variables such as customer name, email, or location, and seamlessly send collected data to webhooks.

Easily create AI voice assistants to make outbound calls, answer inbound calls, and schedule appointments 24/7 - no coding required! Forget lengthy development cycles and expensive machine learning teams. With Synthflow you can build sophisticated, tailored AI agents without technical skills or coding - just bring your data and ideas. Over a dozen specialized AI agents are ready to use for question answering, document search, process automation, and more. Choose an agent as-is or customize it to suit your needs. Upload data instantly from PDFs, CSVs, PPTs, URLs and more. Your agent gets smarter with every new piece of data. No caps on storage or computing resources. Store unlimited vector data in your dedicated Pinecone environment. Gain full control and transparency over how your agent learns and improves. Give your AI agent superpowers by connecting it to any data source or service.