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Mobile, Web, and AI Development

Semaphore Mobile is a Dallas-based software development firm specializing in custom web, mobile, AI, and IoT solutions. Since 2002, we’ve helped companies design and build scalable digital products that solve real business problems, from consumer-facing mobile apps to complex internal platforms and connected device ecosystems.

  • Min project size
    $5,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Plano, TX
  • Year founded
    Founded 2002
  • Languages

Overview by:

Reviewer avatar
Jonah Silverthorn
Director of Sales and Operations About the Team

1 Language that we service

  • English

1 Locations

  • Plano , TX

Industries
Business services
20%
Consumer products & services
15%
Energy & natural resources
10%
Financial services
10%
Medical
10%
eCommerce
10%
Advertising & marketing
5%
GPS, Navigation & GIS
5%
Information technology
5%
Manufacturing
5%
Media
5%
Clients
Midmarket ($10M - $1B)
50%
Small Business (<$10M)
40%
Enterprise (>$1B)
10%

Pricing Snapshot

Min. project size $5,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.9 /5

What Clients Have Said

Semaphore Mobile offers competitive pricing with projects ranging from $7,000 to $100,000. Clients appreciate their value for cost, effective communication, and project management, often citing excellent results and timely delivery.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 13 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Semaphore Mobile Review Insights

Overall Review Rating

5.0
  • Quality 5.0
  • Schedule 4.9
  • Cost 4.9
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • Adaptability and Problem-Solving

    Semaphore Mobile is noted for their ability to adapt to changing project needs and solve complex issues efficiently. They provide innovative solutions and handle technical challenges adeptly.

  • Areas for Improvement: More Consultative Meetings

    While overall feedback is positive, one client suggested that more frequent consultative meetings could enhance the project experience, allowing for better alignment and idea exchange.

  • Timely and Efficient Delivery

    Semaphore Mobile is known for delivering projects on time and within budget, efficiently managing resources and timelines to meet client expectations.

  • Client-Centric Approach

    The company is recognized for genuinely caring about client success, taking an interest in client ideas, and being more than just order-takers. Clients feel valued and supported.

  • Technical Expertise

    Clients commend Semaphore Mobile for their deep technical knowledge and expertise across various platforms, including mobile app development and backend systems.

  • Handling Complex Integrations

    The team has successfully managed complex integrations, such as cross-platform systems and app migrations, showcasing their technical prowess and collaborative ability with other vendors.

Semaphore Mobile Reviews

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Platform Overhaul & Dev for Social Media NFT App Company

  • Mobile App Development
  • $10,000 to $49,999
  • Apr. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We felt like we had a business partner rather than an order-taker."

Nov 8, 2022
CEO, Mintage Inc
Joshua Ramsey
Verified
  • Other industries
  • Salt Lake City, Utah
  • 1-10 Employees
  • Online Review
  • Verified

Semaphore Mobile has overhauled the platform code of a social media NFT app company. This involves front- and backend development, crypto wallet integrations, and feature and functionality development. 

Mobile App Dev for Public Health Agency

  • Mobile App Development
  • $10,000 to $49,999
  • Aug. 2021 - May 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They did an amazing job on the app, and we are pleased with the results. It was exactly what we envisioned and more."

Jul 7, 2022
Program Coordinator & CHW, Public Health Agency
Rhonda Brown
Verified
  • Other industries
  • Paris, Texas
  • 11-50 Employees
  • Online Review
  • Verified

A public health agency tapped Semaphore Mobile to develop a mobile app to highlight and promote the available activities along a local trail. They had several discovery meetings to discuss the client's needs.

Mobile App Dev for Biometric Identification Software

  • Custom Software Development
  • $10,000 to $49,999
  • Feb. - Apr. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were impressive in every measurable way."

Apr 25, 2022
Chief Tech Architect, Biometric Identification Software
Chad Steen
Verified
  • Other industries
  • Dallas, Texas
  • 11-50 Employees
  • Online Review
  • Verified

A biometric identification software company hired Semaphore Mobile to develop native mobile apps for iOS and Android. Five members of project managers, designers, and developers worked on the project.

Mobile App Development for Funeral Home Investment Company

  • Mobile App Development
  • $50,000 to $199,999
  • Sep. 2021 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.0
Willing to Refer
4.0

“Semaphore has delivered 100% of what we want.”

Jan 15, 2022
App Development Director, Angel Homes Funeral Investment Grp
Brandon Adams
Verified
  • Other industries
  • Dallas, Texas
  • 1-10 Employees
  • Phone Interview
  • Verified

Semaphore Mobile has developed an Android and iOS mobile app for a funeral investment group. The team has also designed the client’s website and logo. 

Mobile App Dev for Creative Agency

  • Custom Software Development
  • $10,000 to $49,999
  • Apr. - Dec. 2021
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They streamlined the project and helped us get across the finish line."

Jan 7, 2022
Founder, Counsel Creative
Kenny Morgan
Verified
  • Advertising & marketing
  • Chattanooga, Tennessee
  • 1-10 Employees
  • Phone Interview
  • Verified

Semaphore Mobile developed a mobile app for a creative agency’s customer. They used the client’s design in building the app.

Mobile App Development for Oil Wastewater Disposal Company

  • Mobile App Development
  • Less than $10,000
  • July - Aug. 2021
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We were glad we found them. It was easy to get things off the ground and get moving with Semaphore."

Sep 1, 2021
GIS Analyst, East Texas Salt Water Disposal
Jarrett Roland
Verified
  • Other industries
  • Kilgore, Texas
  • 11-50 Employees
  • Phone Interview
  • Verified

Semaphore Mobile migrated the Android mobile application for a wastewater disposal company. They worked with another IT company to integrate the app with the website and fixed bugs from the previous developer.

Mobile App Development for Social Media Platform

  • Mobile App Development
  • $50,000 to $199,999
  • Aug. 2020 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"I definitely plan to keep them on after I launch as I don't really trust another company to do this good of a job."

Jul 15, 2021
Founder, Social Networking Platform
Derrick Anene
Verified
  • Other industries
  • Dallas, Texas
  • 1-10 Employees
  • Online Review
  • Verified

Picking up from a previous vendor, Semaphore Mobile is developing a mobile app for a social networking platform. The app's features include commenting and point systems, profile pages, a ranking page, and more.

Mobile App Dev for Aviation Training Company

  • Mobile App Development
  • $50,000 to $199,999
  • May 2018 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

“Our system isn’t like anything on the market, and they were able to turn that complex idea into an excellent product.”

Apr 20, 2021
President, AT Systems, LLC
Tyler Phillips
Verified
  • Automotive
  • Tulsa, Oklahoma
  • 1-10 Employees
  • Phone Interview
  • Verified

Semaphore Mobile developed and designed a mobile app for an aviation training company. The team continues to provide system improvements and enhancements.

Mobile App Planning & Budget for Business Services Company

  • Mobile App Development
  • $10,000 to $49,999
  • Aug. - Nov. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Our client is very happy with their work product."

Mar 8, 2021
Director of Engineering and Operations, Business Services
Larry Defauw
Verified
  • Other industries
  • Falls Church, Virginia
  • 1-10 Employees
  • Online Review
  • Verified

A business services company tapped Semaphore Mobile to provide an estimate on a mobile app and backend development project for one of their clients.

Showing 1-10 of 17 Reviews

Our Story

Founded in 2002, Semaphore Mobile was the first mobile development firm in Texas, beginning in telecommunications and building systems for Nokia and BlackBerry. In 2007, ahead of the App Store launch, we built and launched Craigslist’s mobile app. Since then, our team has contributed to projects for GasBuddy, ACE Cash Express, Transamerica, Google, and more. Today, we continue to evolve with our clients, providing expert mobile, web, IoT, backend, QA, and design services.

Meet the Team

Eric Silverthorn

Eric SilverthornCEO

Eric brings deep technical leadership and decades of experience building software systems across mobile, web, IoT, and backend platforms. Since Semaphore Mobile’s early days, he has helped guide the company through major shifts in technology, from ea

Jeff Owens

Jeff OwensDirector of Technology

Jeff plays a key role in leading client strategy, project planning, and delivery at Semaphore Mobile. With a strong understanding of both business goals and technical execution, he helps clients clarify requirements, prioritize features, and move pro

Jonah Silverthorn

Jonah SilverthornDirector of Sales and Operations

Jonah helps lead client relationships, sales, and project discovery for Semaphore Mobile. He works closely with clients to understand their goals, define project scope, and connect them with the right technical resources across mobile, web, IoT, back

What Sets Us Apart

20+ years of development experience

We are not just developers. We are product partners with 20+ years of experience turning complex ideas into real software. From early mobile systems to apps used by millions, we know how to guide strategy, design, development, QA, and launch with clarity and accountability.

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
15
Overall Review Rating
5
Source
Clutch
Last Updated
September 9, 2025

Business Entity

Business Entity Name Semaphore Mobile, LLC
Source Texas Comptroller of Public Accounts
Jurisdiction of Formation Texas
Date of Formation February 13, 2008
Status Active
Last Updated December 15, 2022
ID 0800937352

Credit Report Results

International Credit Risk Assessment Low Risk
Source Creditsafe
Last Updated December 15, 2022
Learn More About The Clutch Verification Process

Locations (1)

5960 W. Parker Road Suite 278 #134 PlanoTX, United States 75093

10 - 15

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