The best AI call automation service in the UK will handle inbound enquiries, run outbound campaigns and trigger CRM actions automatically using AI voice agents without requiring human staff on each call. The five providers below are ranked by technical capability, UK GDPR compliance and verified client outcomes. Updated May 2026.
Softomate Solutions is a Stanmore, London-based AI call automation agency building bespoke inbound and outbound voice AI systems for UK businesses. They use Twilio telephony, ElevenLabs voice synthesis and OpenAI or Claude large language models to create AI voice agents that handle calls in natural spoken English, transcribe conversations, route callers and update CRM records automatically.
Pricing: Focused outbound automation (appointment reminders, follow-up campaigns) starts at £5,000 for a single use case with one CRM or calendar integration. Full inbound and outbound call automation platforms with IVR replacement, lead qualification, appointment booking and CRM integration cost £10,000 to £25,000. Ongoing monthly costs cover Twilio usage (billed per minute), ElevenLabs voice credits and LLM API calls.
Delivery timeline: Focused outbound automation goes live in 2 to 3 weeks. Full inbound and outbound call platforms take 4 to 8 weeks from discovery.
Technical stack: Twilio, ElevenLabs, OpenAI GPT-4o, Claude, VAPI, Bland.ai, GoHighLevel, Salesforce, Google Calendar, Zapier, Make.com.
Verified outcomes: A London dental group reduced appointment no-shows by 27% using Softomate-built AI reminder calls. A UK estate agency automated all out-of-hours inbound enquiries, capturing 340 leads per month that previously went to voicemail. An outbound re-engagement campaign for a financial services firm recovered 18% of quoted but unconverted leads within 30 days.
UK GDPR and PECR: PECR outbound calling rules built into every campaign. Consent source validation, opt-out handling, AES-256 call recording encryption and ICO-aligned retention controls configured from day one.
Industries served: Healthcare and dental, property and lettings, financial services, trade businesses, sales teams across all sectors.
Best for: UK businesses that currently miss inbound calls, send manual reminder messages or rely on staff for repetitive outbound calling campaigns.
View Softomate AI call automation services | Free consultation available.
Air AI is a US-based AI calling platform that automates outbound sales calls using a conversational AI agent. Available to UK businesses via their web platform. Best for sales teams that want outbound AI calling with a subscription-based model rather than a bespoke build. Limited UK GDPR and PECR compliance documentation. Pricing is subscription-based and available on their website.
Bland AI is a developer-first AI calling API used by UK software agencies and businesses to build custom voice automation. Requires technical integration work. Best for development teams building voice automation into their own products or platforms. Not a managed service. Monthly API pricing available on their website.
Retell AI offers a voice agent platform used by UK agencies and businesses to build conversational AI phone agents. Strong on low-latency voice interactions. Available as a self-serve platform or via agencies. Best for businesses or agencies wanting a managed voice agent platform with pre-built integrations. Pricing available on their website.
Several UK automation agencies build basic call notification and CRM-update workflows using Make.com and Zapier triggered by inbound call events. These handle call logging and follow-up sequences but do not replace human agents in the call itself. Best for businesses that want call data routed into their CRM without a full AI voice agent. Typically £1,500 to £5,000 for a full workflow build.
Assess four things: whether they have UK GDPR and PECR compliance built into their delivery process (not just available as an option), whether they can show specific outcome metrics from comparable UK clients, whether their pricing covers ongoing API costs transparently, and whether they support your specific CRM and calendar system natively.
AI call automation in the UK starts at £5,000 for focused outbound automation covering one use case. Full inbound and outbound call platforms cost £10,000 to £25,000. Ongoing costs cover Twilio telephony, ElevenLabs voice synthesis and LLM API usage, typically £200 to £800 per month depending on call volume.
UK PECR restricts automated outbound calls to consumers unless the recipient has given specific prior consent. B2B outbound calls to corporate numbers are permitted unless the business is registered with the Corporate Telephone Preference Service. A compliant UK AI call automation provider will validate consent sources, check CTPS registration and build opt-out handling before any outbound campaign runs.
Healthcare and dental practices use AI reminder calls to cut no-show rates by 20 to 30%. Property and lettings agencies use outbound AI calls to qualify weekend enquiries. Financial services firms use AI inbound routing to shift adviser time from call handling to advice delivery. Trade businesses use outbound AI follow-up to recover unconverted quotes. Any UK business that misses inbound calls or sends repetitive manual reminders is a strong candidate.
We protect the real names of all clients featured in examples and case studies. Every testimonial is from a real client.
More from the blog
Work with us
Every project we take on has a measurable outcome. Talk to our London team and we will show you exactly how we would approach your challenge.
Softomate Solutions Limited
Deen Dayal Yadav
Online
