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Contact Onecom

Onecom is the UK’s largest independent business telecoms provider, delivering an unparalleled service to its customers.

Customer Services

03300 888 999
Customer Care –  option 1
Upgrades –  option 2
Cancellations –  option 3Wait Time2 mins response time.

Email customer services Wait Time72 hrs response time.

Frequently Asked Questions

Sales

03300 536 863
Existing customers –  option 1
New customers –  option 2
Upgades –  option 2

Email our sales team

Live chat with Onecom

Live Chat

Start a Live ChatWait Time4 secs response time.

Speak to Onecom on WhatsApp

Whats App

07500 044 044Wait Time15 secs response time.

Get Support

System Support

Technical Support
03333 445 501

Mitel & Samsung System Support
systemsupport@onecom.co.uk

Fixed Line & Broadband

Technical Support
03333 445 501

Fixed Line, Data, WAN & Hosted Telephony Support
fixedlinefaults@onecom.co.uk

IT Support

Technical Support
03333 445 501

IT Support
servicedesk@onecom.co.uk

Onecom Locations

Central Office, Fareham

Onecom House
4400 Parkway
Solent Business Park
Fareham
Hampshire
PO15 7FJ

Shoeburyness

Evolution House
New Garrison Road
Shoeburyness
Essex
SS3 9BF

Leeds

Shires House
Shires Road
Guiseley
Leeds
LS20 8EU

Plymouth

19 Phoenix Street
Plymouth
PL1 3DN

Norwich

Ingram House
Meridian Business Park
Meridian Way
Norwich
NR7 0TA

Telford

Unit 6
Hollinswood Court
Stafford Park 1
Telford
TF3 3DE

Cardiff

Unit 1 Denvale Trade Park
Galdames Place
Cardiff
CF24 5AA

Brighton

Third Floor
93-94 Queens Road
Brighton
BN1 3XE

Belfast

Unit 22
Ormeau Business Park
8 Cromac Ave
Belfast
BT7 2JA