Business Details
50+ Years
experience
Bespoke Signage & Graphics Experts
Granthams Signs is a family-owned signage and graphics company with over a century of experience in designing, manufacturing, and installing bespoke signage solutions. Our expertise spans from small-scale vinyl lettering to large illuminated signs for national landmarks, combining traditional craftsmanship with modern technology. We prioritise quality materials and engineering excellence to maximise brand visibility while maintaining a reputation for reliability and customer satisfaction.Our installation crews hold PASMA, First Aid, and Site Person in Charge certifications, ensuring safe and efficient on-site execution. As part of the Zell-Em Group, we offer a one-stop-shop for signage, promotional print, and corporate workwear, serving diverse industries across the North West and beyond. Our commitment to innovation and client collaboration has sustained growth and loyalty among businesses requiring tailored visual communication solutions.
Services
Signage Design
Sign Manufacturing
Sign Installation
Corporate Workwear
Promotional Print
Details
- Year established: 1925
Highlights and features
- We have over 100 years of experience in bespoke signage design and installation.
- Our installation crews hold industry-recognised safety and technical certifications.
- We use premium materials to ensure long-lasting, high-impact signage solutions.
- We collaborate closely with clients to align signage with brand identity goals.
- We offer integrated services including signage, print, and corporate workwear.
Associations and certifications
- PASMA
- First Aid
- Site Person in Charge
What people say
Exceptional quality
Professional installations
Reliable service
Creative designs
Durable materials
Services
Signage Design
Our signage design service creates visually striking concepts tailored to brand identity and location requirements. Using advanced software, we produce 3D visualisations and technical drawings to ensure compliance with local regulations and structural integrity. Clients receive customised proposals that balance aesthetics with practical installation considerations.
Sign Manufacturing
We manufacture signs using premium materials including ACM panels, acrylics, and LED components. Our facility employs CNC routers, UV flatbed printers, and laser cutters to produce durable, high-resolution signage. Quality control checks ensure dimensional accuracy and material resilience against environmental factors.
Sign Installation
Professional installation services cover small business signs to large-scale illuminated displays. Certified crews use MEWPs and safety harnesses for elevated work, adhering to PASMA guidelines. We coordinate logistics and site access to minimise disruption during commercial installations.
Corporate Workwear
We provide embroidered and printed workwear solutions for businesses requiring professional uniforms. Options include safety wear, corporate polos, and promotional apparel. Digital embroidery machines ensure precise logo reproduction while maintaining fabric integrity for long-term use.
Promotional Print
Our print services produce banners, vehicle graphics, and exhibition displays using UV-resistant inks and durable substrates. Large-format printers handle materials up to 3.2m wide for impactful outdoor advertising. Clients receive colour-matched proofs to guarantee brand consistency.
Questions
What types of signage do you manufacture?
We produce illuminated signs, ACM panel facias, vinyl graphics, 3D lettering, vehicle wraps, and exhibition displays using UV printing and CNC routing technologies.
Do you offer nationwide installation services?
While based in Lancashire, we provide installation services across the UK through our network of certified technicians and project managers.
Can you match existing brand colours in signage?
Yes, we use Pantone colour matching systems to ensure precise colour reproduction in both printed and painted sign components.
What safety certifications do your installers hold?
Our installation teams hold PASMA, IPAF, and First Aid certifications, with additional training in working at height and confined spaces.
How long does a typical signage project take?
Project timelines vary by complexity but average 2-4 weeks from design approval to installation completion for standard commercial signage.
Do you provide maintenance services for existing signs?
Yes, we offer inspection, cleaning, and repair services for both our own and third-party signage systems to ensure longevity and compliance.
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