Before a customer talks to your team, reads your website, or tries your product, they see your signage. A sign tells people you are open, professional, and worth walking toward. It also helps them find the front door, the restroom, or the right floor, and it keeps your business compliant with accessibility rules.
But "signage" covers a lot of ground. Choosing the wrong type can mean a sign that is invisible at night, out of place in your lobby, or not up to code. Here are seven types of business signs every company should know, and when each one makes sense.
1. Dimensional Letter Signs
Dimensional letters are individual cut-out letters and logos mounted directly to a wall or backer. Because they have real depth, they cast shadows and catch light, giving your brand a polished, three-dimensional presence.
They come in two main styles. Non-illuminated dimensional letters, made from materials like metal, acrylic, or wood, suit reception walls, lobbies, and storefronts where ambient light is enough. LED dimensional letters are lit from within (front-lit) or behind (halo-lit, or backlit), creating a glow that stands out after dark. Halo-lit letters in particular have a premium, architectural feel that many corporate offices and boutique retailers favor.
Best for: Corporate headquarters, office lobbies, retail storefronts, and any brand that wants a refined, lasting first impression.
2. Illuminated Blade Signs
A blade sign projects out from your building, perpendicular to the wall, so it can be seen by people walking or driving along the street, not just those standing directly in front of your shop. When it is illuminated, it keeps working long after the sun goes down.
If your business sits in a dense downtown, a shopping strip, or a busy pedestrian corridor, a blade sign can be one of the most effective ways to catch attention from a distance. It is a simple way to turn a narrow storefront into something people can spot from half a block away.
Best for: Restaurants, cafes, boutiques, salons, and any street-level business that relies on foot traffic.
3. Exterior Hanging Signs
Hanging signs are suspended from a bracket or bar and project over the sidewalk or entrance. They share the visibility advantage of blade signs but often carry a more traditional, handcrafted personality. A well-designed hanging sign can signal warmth and character, which is why they are popular with neighborhood businesses and historic districts.
Materials and shapes are flexible: square, round, or custom-cut, in wood, metal, or high-grade composites. Pair one with your main storefront sign, and you give both pedestrians and drivers a second chance to notice you.
Best for: Cafes, shops, galleries, professional offices, and businesses in walkable commercial districts.
4. Faux Neon (LED Neon) Signs
Classic neon has an unmistakable glow, but glass tubing is fragile, expensive to maintain, and energy hungry. Faux neon, also called LED neon, delivers the same bright, colorful look using flexible LED tubing set into a clear or colored backer.
The result is durable, energy efficient, and easy to install, with a wide range of colors and shapes available. It works especially well for logos, slogans, and playful brand moments, such as a "Open" sign in the window or a statement piece behind your counter.
Best for: Restaurants, bars, retail shops, salons, studios, and any space that wants personality and an inviting after-hours glow.
5. Interior Signs and Directories
Exterior signs get people through the door. Interior signs keep them oriented once they are inside. This category includes reception logo walls, suite and room identification, office directories, and general wayfinding.
Good interior signage reduces confusion, saves your staff from answering the same "Where is...?" question all day, and reinforces your brand at every turn. In multi-tenant buildings and larger offices, a clear directory is not a luxury; it is essential. Consistent materials, fonts, and colors across all interior signs make the whole space feel intentional.
Best for: Offices, medical and educational facilities, co-working spaces, hotels, and multi-tenant commercial buildings.
6. ADA-Compliant Signs
This is the category that is easiest to overlook and most expensive to get wrong. Under the Americans with Disabilities Act, permanent room and space identification signs, including restrooms, must meet specific requirements. These cover features like raised tactile characters, Grade 2 Braille, high contrast between text and background, non-glare finishes, and correct mounting height and location.
ADA signs protect your visitors and employees, and they protect your business from compliance issues and costly retrofits. Requirements can also vary by location and building type, so it is worth working with a sign company that understands the standards and can advise on placement before you order.
Best for: Every business with a physical space open to the public or employees, including offices, restaurants, retail stores, schools, and healthcare facilities.
7. Banners, Window Graphics, and Freestanding Signs
Not every sign needs to be permanent. Banners, window graphics, and freestanding signs give you flexibility, and they are often the fastest, most affordable way to get your message out.
- Banners (vinyl or mesh) are ideal for grand openings, sales, events, and seasonal promotions.
- Window graphics and films can display your hours, logo, or promotions, and privacy film adds discretion for conference rooms and offices while still letting in light.
- Freestanding signs such as sidewalk signs, retractable banners, and trade show displays move where you need them, from a trade show floor to the front of your shop.
They are also useful for testing a message before committing to permanent signage.
Best for: Promotions, temporary announcements, events, trade shows, and businesses that change their messaging often.
How to Choose the Right Mix
Most businesses do not need just one type of sign. They need a combination that works together. A simple way to think about it:
- Be seen: Use exterior signs, such as dimensional letters, blade signs, or hanging signs, to attract attention from the street.
- Be found: Use interior signs and directories to guide people once they arrive.
- Be compliant: Use ADA signs wherever the law requires them.
- Be flexible: Use banners, window graphics, and freestanding signs for promotions and short-term needs.
Before you decide, consider your location, local sign regulations and permit requirements, your budget, and how people will actually approach your business: on foot, by car, or both. Your brand should look consistent across every sign, so customers recognize you everywhere they encounter you.
Work With a Team That Handles It All
Signs look simple, but behind every good one are decisions about design, materials, permitting, fabrication, and installation. Working with a single partner who manages the whole process, from concept to installation, makes it far easier to get the right result without surprises.
At Martin Sign Company, we create custom business signs and LED signage for storefronts, offices, restaurants, retail stores, and commercial buildings. From dimensional letters and illuminated blade signs to ADA signage, faux neon, and banners, our team helps you choose and build the signage your business actually needs.
Ready to start? Request a quote or call us at 415-525-3632, and let's make your signage simple.
