One Number.
One PBX.
Anywhere Your Business Goes.

Transform any mobile into a full PBX extension. Call recording, IVR, voicemail, routing and analytics included.

99% Connectivity
20+ Features
£8.50 Per Month
tisa® Pocket Office FMC 8944 12XX XXXX XXXX 7890
Why Pocket Office

Your Office Phone System in a SIM Card

Fixed Mobile Convergence brings your PBX and mobile together. No desk phones, no hardware, no installation. A complete business phone system in your pocket.

Professional Image

Business landline on every outgoing call. Personal number stays private.

Never Miss a Call

Auto route to any device or colleague. No missed opportunities.

Replace Your PBX

Full phone system from a SIM card. No hardware, from £8.99/mo.

Connect Your Team

Extensions, transfers, conferencing. One system for every worker.

Features

Everything Included, No Add Ons

Every Pocket Office SIM comes with the full feature set as standard.

5G Up to 250 Mbps

Ultra fast data on the UK's best networks

Office Caller ID

Display your business number on every call

Portal, Mobile and Desktop App

Manage calls from any device, anywhere

EU Roaming Included

Use your allowance across Europe free

Unlimited UK Calls and Texts

No caps, no fair usage limits

180+ International Destinations

Lowest business rates in the UK

28 PBX Features Included on Every Plan

IVR Menus

Interactive voice menus to route callers to departments

Digital Receptionist

Automated attendant greets and directs every caller

Call Recording

Record calls with 90 day cloud storage

Voicemail to Email

Voicemails delivered as audio files to your inbox

Voicemail

Personal voicemail per extension with custom greetings

Ring Groups

Ring multiple extensions at once or in sequence

Call Forward

Forward to any number, mobile or extension

Time Based Routing

Route calls by time of day, weekday or holiday

Caller ID Control

Choose how your business number appears to callers

Call Queues

Queue callers with hold music until an agent is free

Active Encryption

Enterprise grade encryption on every call

Custom Prompts

Upload greetings, hold music and menu prompts

View Plans
How It Works

Up and Running in Minutes

No engineers, no installation, no complicated setup. Just insert and go.

Step 01

Choose Your Plan

Pick the data tier that suits your business. Every plan includes the full PBX feature set.

Step 02

Receive Your SIM

SIM delivered in 2 to 3 working days. Pop it into any unlocked phone.

Step 03

Activate and Go

Your PBX extension is live. Make and receive calls with your business number instantly.

Pricing

Simple Pricing, Maximum Value

No hidden charges.

Monthly (excl. VAT)
Data
Monthly
No Data
£10.10/mo
1 GB
£12.80/mo
3 GB
£13.80/mo
10 GB
£16.50/mo
30 GB
£20.80/mo
100 GB
£26.70/mo
All prices excl. VAT.
Our prices are reviewed once a year on 1 April, based on the UK inflation rate (CPI) plus 3.9%,
totalling 6.9% for 2026, and unlike our competitors, we never increase your price mid contract.
Dedicated Account ManagerA named contact for your business
UK Based TeamMilton Keynes. Phone, email or WhatsApp
No Setup FeesZero activation charges, zero hidden costs

Ready to Switch?

Tell us what your business needs and we will tailor the perfect package for you.

or reach us directly