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The Best Business
Telecoms Provider in the UK

Reliable and flexible business telecoms solutions connecting SMEs with phone systems, VoIP, broadband, and managed services.

10k+

UK businesses served

99.9%

Network uptime SLA

2hr

Average response time

5*

Average customer rating

20+

Years in UK telecoms

10K+

UK businesses served

99.9%

Network uptime SLA

2hr

Average response time

5*

Average customer rating

20+

Years in UK telecoms

Your Business Matters Here,
Not Just Your Budget

Unlike the telecoms giants, Alfonica keeps your business setup
simple and cost-effective, putting your business needs first.

  Independent Advice
We’re not tied to any single network or manufacturer. We recommend what’s genuinely best for your business, not what earns us the highest margin.

  Same Day Setup Available
Many of our cloud phone systems and VoIP solutions can be live within hours with no waiting weeks for an engineer visit.

  Transparent & Competitive Pricing
No hidden charges or surprise bills. We offer clear monthly pricing that scales with you.

  24/7 Technical Support
When you call us, a real telecoms expert picks up. No offshore call centres, no automated menus with helpful support.

  Solutions That Grow With You
We scale effortlessly. If you’re a team of 2 or an office of 200, you can add line, advanced features, and locations anytime, with no downtime.

Everything Your Business Needs to Communicate

A complete suite of business telecoms solutions, all from one trusted independent provider.

Cloud VoIP Phone Systems

Replace your traditional phone system with a feature-rich, cloud-based VoIP system with calls over the internet. No hardware required.

Broadband & Leased Lines

Superfast fibre broadband and dedicated leased lines for offices that can't afford downtime. Guaranteed SLAs and speeds.

Hosted PBX & SIP Trunking

Hosted PBX keeps your team connected wherever they work. SIP trunking gives your PBX system a modern, cost effective upgrade.

PSTN/ISDN Migration

Migrate old copper lines and broadband to IP-based communications. We handle the technical migration from end-to-end with guaranteed zero downtime.

Unified Communications

Bring voice, video, messaging,
and collaboration tools into
one unified platform.
Perfect for hybrid and
remote teams.

Business Mobile & Data

Competitive business mobile
tariffs with data, international
roaming, and SIM-only plans to keep
your team connected
on the go.

Cloud VoIP Phone Systems

Replace your traditional phone system with a feature-rich, cloudbased VoIP system with calls over the internet. No hardware required.

Broadband & Leased Lines

Superfast fibre broadband and dedicated leased lines for offices that can't afford downtime. Guaranteed SLAs and speeds.

Hosted PBX & SIP Trunking

Hosted PBX keeps your team connected wherever they work. SIP trunking gives your PBX system a modern, cost effective upgrade.

PSTN/ISDN Migration

Migrate old copper lines and broadband to IP-based communications. We handle the technical migration from end-to-end with guaranteed zero downtime.

Unified Communications

Bring voice, video, messaging, and collaboration tools into one unified platform. Perfect for hybrid and remote teams.

Business Mobile & Data

Competitive business mobile. tariffs with data, international. roaming, and SIM-only plans to keep your team connected on the go.

Traditional Phone Lines Are Ending Soon.
Switch Now.

BT Openreach is shutting down the UK’s PSTN and ISDN networks in 2027. Thousands of businesses have already been affected. Don’t wait until you lose your number.

  We manage the whole migration process for you.

  We guarantee your services will stay live during the switch.

  You will keep all your existing phone numbers.

  You will start saving immediately compared to legacy line rental.

What UK Businesses Say About Alfonica

Jack Jones
Jack Jones
We’ve been using Alfonica for our business VoIP, internet, and phone services for over 4 years, and they have been nothing short of outstanding. Their reliability, speed, and customer support set them apart from other providers we’ve worked with
Management Universal
Management Universal
We recently switched our business mobile phone service to Alfonica, and I couldn't be happier with the experience. From the initial quote to the final porting of my numbers, the process was smooth and efficient.
Daniel Sassen
Daniel Sassen
We now have a long standing relationship with Alfonica having converted all of our 6 buildings to use their cloud telephone service. With some bespoke solutions required for our sound studios and over 700 staff and clients working with the phones daily.....
Mollie Lloyd-Lyon
Mollie Lloyd-Lyon
Alfonica are a fantastic service provider! Working with Phil Perkins is just a delight, he's extremely helpful and knowledgable and his response time is fab! A great asset to Alfonica and co!
Navcar LTD
Navcar LTD
We made contact with Alfonica to quote for a leased internet line with installation ASAP. I was given a quote promptly and advised it takes at least 3 months for a leased line to be installed and become live (industry standard). We are now less than 2 months...
 Tony Cox (Commsmaster)
Tony Cox (Commsmaster)
A pleasure to work with Alfonica, professional and attentive and always go the extra mile, what more could you want? I’d be happy to recommend them to all my clients.

Everything you need to know

Not necessarily. Alfonica can work with your existing broadband connection in many cases, or we can bundle connectivity and VoIP into one cost-effective package. We’ll advise based on your specific setup.

You keep it. Number porting is a standard part of every Alfonica migration. We handle the technical process, so your existing business numbers carry over with zero interruption to your service.

Cloud VoIP systems from Alfonica start from as little as £10–£15 per user per month, often cheaper than what you’re paying in line rental alone. We offer a free cost comparison as part of every consultation.

Absolutely. Many of our clients come to us as new businesses and grow with us over years. We offer flexible monthly agreements, no huge upfront costs, and systems that scale up as you hire.

Independent providers like Alfonica offer more flexibility, better pricing, and dedicated account management compared to large carriers. We recommend comparing on contract length, support SLAs, and total cost of ownership, not just headline price.

Get Started

Have a question or need assistance? Fill out the contact form or reach out to us on 0330 135 5000. We’re here to help.