Portsmouth Sign Co.
  • Services
    • Banners
    • Cabinet Signs
    • Channel Letters
    • Custom Carved Hand Painted Signs
    • Interior Signs
    • Pylon Signs
    • Vehicle Wraps and Decals
    • LED Signs
    • Design Services
    • Installation
  • About Us
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OUR INTEGRITY IS OUR COMPASS

about us

At Portsmouth Sign Company, we strive to be the premier full-service sign provider, offering an exceptional level of customer service, quality signage, and competitive prices. We make it our mission to work with you throughout the entire process—from initial idea to installed product—ensuring that your project meets all your expectations. Our experienced team takes pride in our commitment to our customers, and we look forward to helping you create the perfect sign for your business. Proudly servicing New England and other states at request.
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​Proud Member of the International Sign Association​

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Testimonials

Chinburg Properties has been working with Portsmouth Sign Company for many years. We consider the company to be a real business partner. They are responsive, dependable and always willing to work through creative solutions to our many property signage needs. It is a pleasure to work with each and every member of their team.
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Jennifer Chinburg
Chinburg Properties
I just wanted to thank you for the great job you and your staff did in fabricating and installing the signage in Horton. It looks great! I have gotten really good feedback and wanted to let you know that your work is being appreciated. I look forward to working with you again in the future.
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Barbara Heckler
Architectural Drafting Specialist, UNH Facilities Design & Construction
Just wanted to thank you all for the beautiful sign, it looks great we’re very pleased with it.

Sharon Muse
Northland Forest Products
The signs look great! The two installers were very nice and moving the existing sign up a story was a great idea. Thank you very much for your help with this project!

Lisa Carpenter
Office Manager, Wintergreen Solariums

This morning Portsmouth Sign Company installed the DHS frosted seal on our front entry door and frosted squares on the glass side panels. The seal looks great! The frosted look is definitely a nice addition to the entry.

Ralph Murphy
Resident Agent in Charge, New England Field Office
I am very excited to be writing you about our new sign! It looks phenomenal and is way better than we had expected. Our biggest thank you from everyone at Jackson’s.

Dave Lorandeau
Asst. Manager, Jackson's Hardware & Marine


On behalf of the Bauneg Beg Lake Association, I wish to express our sincere thanks to Portsmouth Sign Company for your very generous contribution of the large project identity/credits sign for our 'Roberts Street Project' that took place the last weekend in August. Your demonstration of concern for our environment and willingness to assist BBLA and the Town of Sanford is greatly appreciated.

Ray Smith
President, Bauneg Beg Lake Association

Our family of companies

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19 Nimble Hill Road, Newington, NH 03801  •  (603) 436-0047  •  Hours: M-F 8AM - 3PM
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  • Services
    • Banners
    • Cabinet Signs
    • Channel Letters
    • Custom Carved Hand Painted Signs
    • Interior Signs
    • Pylon Signs
    • Vehicle Wraps and Decals
    • LED Signs
    • Design Services
    • Installation
  • About Us
  • Contact
  • Pay
  • Get Quote