Supplying leading brands of sign printing and production systems including Mimaki, Roland, HP Latex, Graphtec, Summa, Easymount and Rollover, alongside a wide range of sign making software and large-format consumables.

About Granthams GT 

Granthams GT is based in Preston. We are authorised suppliers of hardware, software and consumables across numerous brands relating to the sign making industry. Some of these brands include Mimaki, Graphtec, HP and Summa including many others. Our parent company Granthams Ltd. has been established 126 years and was founded in Blackpool in 1890 as a sign making business by William Grantham.

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Mimaki Authorised Reseller

Authorised Reseller

Granthams are a reseller of wide- format inkjet printers, cutting plotters and RIP software from Mimaki.

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Graphtec Resellers

Authorised Reseller

Granthams are resellers of Graphtec vinyl cutters and accessories to sign makers across the U.K..

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HP Large format printers

Authorised Reseller

UK Resellers of HP (Hewlett Packard) large format printers including latex printers into he UK sign making industry.

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Summa Vinyl Cutters

Authorised Reseller

Resellers of Summa vinyl cutters to the U.K. sign industry. Summa S Class 2 cutters are famously reliable.

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Mimaki Authorised Reseller

Authorised Reseller

Granthams are an authorised reseller of Roland large format printers, integrated printer/cutters and genuine Roland Inks.

Easymount laminators

Authorised Reseller

Granthams are resellers of large format laminators from renown manufacturers, Easymount, Mimaki and Wid.


UV Flatbed Printers

If you are looking for a flatbed printer, you might want to consider a flatbed UV printer. We offer different sized option from small to large like the Mimaki JFX range which are designed for maximum production output - big jobs on big sheets printed quickly, efficiently and accurately. These machines can churn out board after board and keel going for as long as you fill the bed with stock. 

Vinyl Cutter/Printers

A printer cutter or vinyl printer cutter is an all-in-one package that can cut as well as print your artwork. If you are looking for something smaller, a desktop print and cut machine might be the ideal solution, not taking up too much room these machines can used for the manufacture of many types of personalised accessories, clothing, signage and decals.We offer vinyl printer cutters from trusted sign industry brands, Mimaki, & Roland.

Sign Making Software

Granthams supply a great range of sign making software including, Onyx Go Lite, Onyx Go Plus, Onyx V21, Graphtec Pro. Studio, SignLAB V10 and SAi Flexi V19.

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Hardware Specialists


Consumables Specialists