Recognised by Mimaki, Hewlett Packard, Graphtec, Summa Graphics and many more manufacturers as experts in sign and display printing systems. With technical installations, training and ongoing support across the U.K.

Inks & Media

Rapid delivery and highly competitive prices on Mimaki, HP, Roland, Mutoh and compatible inks. Also media and consumables for a wide variety of pigment, solvent, U.V. and latex technologies.

Used Equipment

Granthams offer a wide range of pre-used equipment on behalf of the existing owners. Click to view our current range details.


Granthams offer a range of finance options including 3rd party leasing and short term extended credit according to the customers requirements and subject to credit status.

Over 100 years experience in the graphics business

and over 30 years supplying leading brands of sign printing and production systems including Mimaki, Hewlett Packard Latex printers, Graphtec, Summa Graphics and Flexisign software. Granthams are ideally positioned to advise, deliver, train and support the display graphic industries across the U.K.

Wealth of knowledge

Originally a sign writing business founded in 1890, Granthams experienced the evolution of the industry from brush and paint through to becoming the first Apple Macintosh sign making systems provider in the U.K. in the 1980’s.

The rest is history!


HP Partner First Silver

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Sign and Display Graphic Applications

Our wide range of sign printing and production equipment offers a wide spectrum of applications and market sectors including conventional signage, textiles and soft signage, vehicle graphics, banners and building wraps, promotional and gift printing and wall murals and decor. The list is extensive and the possibilities wide ranging. Speak to us for further information on any application or media enquiries.

Nationwide Installation and Support.

Hand holding from demonstration through to installation and over the lifetime of your large format printing systems.

Mac and PC

Granthams offers different levels of computer support ranging from full onsite warranty to telephone support options with a much reduced callout charge if the problem needs an onsite visit.

Server and Backup

We know how important your data is, we can implement Windows or Mac server systems and recommend and install suitable backup solutions. Be it physical on-site or cloud backup.

RIPs and Profiling

We have expert knowledge of software RIP systems such as Onyx, ColorGATE, Flexi, SignLab and Rasterlink Pro and are able to offer additional training and telephone support options.

Roland / HP Printer Service

Reliable technical support, plotter servicing and plotter repair for HP Designjet plotters in the North West of England along with Qualified engineers offering on-site solutions for Roland large format printers.

Warranty Services

We can offer after market warranties on a huge range of printers and plotters, so you can always be safe in the knowledge there is someone to hand should the worst happen.


Granthams are able to offer a wide range of training both on-site and at our Preston showrooms. Training is on a 'one to one' basis and can be adapted for all levels of knowledge.