The communication platform for busy UK small businesses 🇬🇧

Business phone numbers in less than 3 minutes.

Get a real UK mobile, national or local phone number for your business. SMS, calls, and a shared team inbox — no hardware, no contracts.

Signed up and setup in less than 3 minutes.

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useline.io/inbox
Conversations4
SC
Sarah Chen+44 7700 900123
Call

Hi! I saw your ad for the photography package. Do you have availability this Saturday?

10:32 AM

Hi Sarah! Yes, we have a 2pm slot available on Saturday. It’s the 2-hour portrait session at £150. Shall I pencil you in?

10:34 AM
New

That sounds perfect. Are you dog friendly?

10:36 AM
AI suggested reply

Yes, we'd love to have your pet join us. Feel free to bring them along. I’ll book you in for 2pm Saturday and you'll get confirmation shortly.

Everything you need, nothing you don't

SMS, WhatsApp, email, and calls — every customer conversation in one shared inbox. Sets up in minutes and stays out of your way.

Business SMS
Send and receive text messages from your business number. Two-way conversations appear in a shared team inbox so nothing gets missed.
WhatsApp
Message customers on WhatsApp from your business number. The same threads land in the same inbox — meet people where they already chat.
Email
Bring email into the same shared inbox as your calls and texts. One thread per customer, across every channel they use.
Voice calls
Receive inbound calls and route them to any team member. Set business hours, voicemail greetings, and call forwarding rules.
Shared team inbox
Every conversation lives in one place. Assign threads, leave internal notes, and hand off context without forwarding screenshots.
Automations
Auto-reply to common questions, tag conversations by keyword, and trigger workflows in the tools you already use.
Real UK numbers
Get a genuine UK mobile, local, or national number. Customers see a real number, not a short code or landline.
AI receptionist
Meet Molly — she answers your business calls 24/7, takes messages, and routes callers to the right person. No missed calls, no voicemail black holes.

Support that actually supports you

Line is run by real people who pick up when you call, and answer when you need us.
We get you set up, and make sure you and your team get the real business value we know our product can deliver.

Reply within 4 hours, guaranteed

Business customers can message our UK team and get a real answer within 4 hours. Real people who know your account and are empowered to act.

Concierge account setup

We set up your number, inbox, and team for you. You're live and taking customer messages the same day — no manuals.

Simple, usage-linked pricing

Three plans, all pay-as-you-go for calls and texts. Every plan includes a UK number. AI agents are included with Pro and Business, and available as a paid Add-On with Starter. No contracts, no minimum periods, cancel anytime.

Starter

£1.90first month

£4/mo thereafter

Only pay for what you use. Perfect for getting started.

Get Started

Features

  • 1 user
  • Single mobile number included
  • SMS from 4 credits
  • Calls from 3 credits/min
  • Shared inbox
  • Voicemail
  • Call forwarding & business hours
  • Basic automations
  • AI agents — Add-On

1 credit = 1p. No contract. Cancel anytime.

MOST POPULAR

Pro

£19per month

per month

For growing teams that need collaboration and automation.

Start with Pro

Features

  • 3 users
  • Single mobile number included
  • SMS from 3.5 credits
  • Calls from 2.5 credits/min
  • Voicemail transcription
  • Assignments & notes
  • AI suggested replies
  • Basic integrations & analytics
  • Unlimited AI agents — usage-based

1 credit = 1p. No contract. Cancel anytime.

Business

£89per month

per month

Advanced controls and analytics for larger teams.

Start with Business

Features

  • 10 users
  • Single mobile number included
  • 2,000 credits included
  • SMS from 3 credits
  • Calls from 2 credits/min
  • Voicemail transcription
  • Built for You automations
  • Advanced integrations & analytics
  • AI suggested replies
  • Unlimited AI agents — usage-based

1 credit = 1p. No contract. Cancel anytime.

Prices exclude VAT. View full pricing details

Ready to get started? Explore features, learn more, or choose from thousands of numbers.

Choose a number, get a real UK number for your business

See how it works, explore the shared inbox and features

View pricing, simple usage-linked plans from £4/mo

Frequently asked questions

Everything you need to know before getting started.