Alternatives to HighLevel Voice AI – What UK Businesses Should Know

The top Voice AI platforms compared for UK pricing, pros, cons, and reviews

Voice AI has become one of the most effective automation tools for small and medium-sized UK businesses. It answers inbound calls, handles bookings, and supports customers automatically.

If you have been exploring HighLevel Voice AI, you might wonder what else is available, how other tools compare, and what each one costs.

This article breaks down the best HighLevel Voice AI alternatives, what they do well, where they fall short, and how much you can expect to pay.

1. Synthflow

Overview
Synthflow is a cloud-based voice automation platform that lets you build custom phone agents without coding. It’s one of the most popular HighLevel alternatives for smaller UK companies starting with Voice AI.

Pricing

• From US$29 per month (about £23 per month) for a starter plan

• Higher tiers can reach US$450+ per month for larger call volumes

Pros

• Simple no-code flow builder – ideal for non-technical users

• Multilingual support and pre-built conversation templates

• Visual dashboard with call analytics

Cons

• Prices scale quickly as usage grows

• Fewer UK-specific compliance tools (GDPR, call recording notices)

• Occasional issues with accent recognition

UK Review Summary
Synthflow is a cost-effective entry point for small businesses that want to automate calls quickly. It works best for limited call volumes or after-hours call handling.

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2. Newoaks AI

Overview
Newoaks AI positions itself as a premium conversational AI platform, offering stronger natural-language processing and UK voice customisation.

Pricing

• Custom pricing depending on call volume and integration needs

• Common UK users report monthly costs between £300 and £700

Pros

• Excellent voice quality and tone control (supports UK accents)

• Deep integration with CRM systems such as HubSpot and Salesforce

• Suitable for high-end customer service teams

Cons

• Requires more setup and training time

• No published minute-based pricing, so total cost can vary

• Limited UK-specific documentation

UK Review Summary
A strong fit for professional services, call centres, and agencies that want natural-sounding voice automation and custom branding. It’s powerful but needs careful setup.

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3. Lindy

Overview
Lindy is a lightweight AI assistant platform that includes voice capabilities at a lower price point. It’s not as advanced as HighLevel Voice AI but offers an accessible starting point.

Pricing

• Starts from US$5 per month (around £4 per month)

• Additional costs for API calls and call minutes

Pros

• Extremely affordable and easy to trial

• Simple interface for basic AI call features

• Works well for solo business owners or startups testing automation

Cons

• Not built for full inbound call routing or appointment scheduling

• Requires integrations for advanced workflows

• Limited UK compliance or phone support

UK Review Summary
Lindy is a good low-cost tool to test AI phone systems but lacks the power of full call management tools like HighLevel or Synthflow.

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4. HighLevel Voice AI (for comparison)

Overview
HighLevel Voice AI remains one of the most complete solutions for integrated CRM, automation, and AI phone handling. It’s widely used by UK agencies and service-based businesses.

Pricing via MarketerM8

• £97 per month for the software licence

• Voice AI usage: $0.195 per minute (around £0.15) pay-as-you-go

Pros

• Seamless integration with CRM, pipelines, SMS, and workflows

• Reliable UK number routing and call recording

• Backed by AI-M8 management support for full optimisation

Cons

• Requires setup and tuning for best performance

• Some businesses prefer more flexible minute pricing

UK Review Summary
HighLevel Voice AI offers excellent value for established UK businesses that already use HighLevel CRM or want an all-in-one automation system.

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5. Feature and Price Comparison

6. How to Choose the Right Voice AI

When selecting a Voice AI platform for UK business, consider:

• Call volume: Low volume favours Synthflow or Lindy; higher volume suits HighLevel or Newoaks.

• Integration needs: If you already use HighLevel CRM, its Voice AI fits naturally.

• Compliance: Make sure your provider supports UK GDPR and telecom rules.

• Support: Choose platforms with UK-friendly onboarding or management, such as AI-M8.

7. Final Thoughts

There are now several capable alternatives to HighLevel Voice AI, each offering a balance between price, control, and sophistication.

For most UK businesses:

• Synthflow is best for early automation.

• Newoaks AI suits premium call experiences.

• Lindy is the cheapest for trials.

• HighLevel (via MarketerM8) remains the most balanced option, offering proven infrastructure and UK-based support through AI-M8.

If you would like help comparing these tools or setting up a Voice AI system for your business, contact AI-M8 today.

Book your free pre-audit call here
or call +44 789 7031750 to speak with our own AI system in real time.

Written by Atticus Mills – Marketing Consultant at MarketerM8 and AI Implementation Specialist at AI-M8.