
By Henry Williams on Growth Business – Your gateway to entrepreneurial success
VoIP (Voice over Internet Protocol) is more than just a cost-effective way to make calls. For scaling businesses, it provides seamless communication, enhanced collaboration, and the flexibility to grow without being tied to traditional phone systems. Whether you’re a startup aiming for rapid expansion or an established company scaling operations, the right VoIP provider can be a game-changer.
We’ve analysed the competition to bring you the six best VoIP providers that support business growth. These platforms offer scalability, advanced features, and seamless integrations to streamline operations and enhance customer interactions.
RingCentral: Best all-in-one scalable solution
Nextiva: Best for customer-centric operations
Vonage: Best for international expansion
Dialpad: Best for AI-driven efficiency
bOnline: Best for budget-conscious startups
Virtual Landline: Best for remote and hybrid teams
8×8: Best for AI-powered customer experience
1. RingCentral: The all-in-one scalable solution
Pricing:
Essentials: £12.99 per user/month
Standard: £19.99 per user/month
Premium: £24.99 per user/month
Ultimate: £29.99 per user/month
Why it’s great for growing businesses:
RingCentral is a top choice for growing businesses that need an all-in-one communication platform. With cloud-based PBX, high-quality voice and video calling, and unlimited messaging, it eliminates the need for costly hardware. Its extensive integrations with Microsoft 365, Google Workspace, and Slack make it ideal for teams expanding their workflows.
Key features:
24/7 customer support
Scalable call and messaging options
Video conferencing and SMS
On-demand call recording
2. Nextiva: For seamless customer experience at scale
Pricing:
Digital: £15.19 per user/month
Core: £22.79 per user/month
Engage: £30.39 per user/month
Power Suite: £45.58 per user/month
Why it’s great for growing businesses:
Nextiva combines VoIP with powerful customer relationship tools. It enables businesses to manage customer conversations across multiple channels in one place, making it perfect for companies prioritising customer experience as they grow.
Key features:
Unified team and customer communication
Unlimited voice and video calls
AI-powered call analytics
CRM and helpdesk integration
3. Vonage: Best for international expansion
Pricing:
Express: £10 per user/month
Core: £18 per user/month
Pro: £20 per user/month
Max: £25 per user/month
Why it’s great for growing businesses:
With coverage in over 40 countries and 96+ local numbers for inbound calling, Vonage is perfect for businesses looking to expand globally. Its virtual receptionist and call monitoring features keep customer interactions smooth across multiple locations.
Key features:
Global phone number support
Virtual receptionist and call monitoring
Video meetings and collaboration
Desktop and mobile app support
4. Dialpad: AI-powered communications for growing teams
Pricing:
Standard: £12 per user/month
Pro: £20 per user/month
Enterprise: Contact sales
Why it’s great for growing businesses:
Dialpad leverages AI to enhance communication, offering real-time voice intelligence and AI-powered transcription. This makes it ideal for businesses focusing on efficiency and data-driven decisions while scaling operations.
Key features:
AI-powered call transcriptions
HD video and audio meetings
Custom call routing and auto attendant
Integrations with Google Workspace, Microsoft 365, and Zendesk
5. bOnline: Budget-friendly VoIP for growing startups
Pricing:
Starter: £7 per user/month
Unlimited calling: £13.95 per user/month
Unlimited calling (with desk phone): £15.50 per user/month
Why it’s great for growing businesses:
bOnline offers enterprise-level VoIP at startup-friendly prices. With personalised voicemail greetings, call flows, and international calling from 1p per minute, it’s an affordable yet powerful solution for businesses looking to scale.
Key features:
Set business hours and call flows
Voice and video conferencing
Salesforce, HubSpot, and Google integrations
Flexible scalability as teams grow
6. Virtual Landline: Best for remote and hybrid workforces
Pricing:
Local phone numbers: From £4.50/month
0207 or 0208 London numbers: From £10/month
0800 numbers: From £11.95/month
Multi-user office numbers: From £6.95/month
Why it’s great for growing businesses:
For companies with remote teams or flexible work arrangements, Virtual Landline offers a fully mobile and scalable solution. It provides virtual office numbers and the ability to route calls to any device, making it a seamless option for businesses on the move.
Key features:
Call forwarding and virtual receptionist
Video conferencing for remote teams
Self-service management portal
UK-based customer support
7. 8×8: Best AI-integrated advanced customer experience
Pricing: Available on request.
Why it’s great for growing businesses:
8×8 is trusted by over 3 million business users and offers a unified communications platform that integrates AI-powered customer experience tools. It simplifies complex workflows and enhances operational efficiencies while maintaining secure and compliant communication.
Key features:
AI-driven contact centre solutions
Omnichannel customer interactions
High-volume messaging and voice services
Advanced analytics and workforce engagement management
Global coverage and Microsoft Teams integration
Choosing the Right VoIP Provider for Growth
The best VoIP provider for your business depends on your specific growth needs:
For an all-in-one scalable solution: RingCentral
For customer-centric operations: Nextiva
For international expansion: Vonage
For AI-driven efficiency: Dialpad
For budget-conscious startups: bOnline
For remote and hybrid teams: Virtual Landline
For AI-powered customer experience: 8×8
Each of these providers offers powerful features designed to scale alongside your business. By selecting the right VoIP service, you can enhance collaboration, improve customer interactions, and ensure seamless communication as your business grows.
See also: 5 of the best phone systems for your remote workers
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