Name: Semaphore Mobile
Address: 5960 W. Parker Road Suite 278 #134, Plano, United States, TX, 75093, US
Telephone: 9726797165
Price range: $50 - $99
Rating: 5.0

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:

Jonah Silverthorn

Director of Sales and Operations About the Team

Service Lines

Custom Software Development: 25%
Mobile App Development: 20%
Web Development: 20%
Ecommerce Marketing: 15%
E-Commerce Development: 10%
UX/UI Design: 10%

Select Focus Area

E-commerce Systems

Shopify: 100%

eCommerce Marketing Focus

Shopify Marketing: 100%

Mobile Focus

Productivity Mobile App Development: 20%
Field Operations Mobile App Development: 10%
Financial Mobile App Development: 10%
Health & Wellness Mobile App Development: 10%
Mobile Commerce: 10%
Sales Enablement & CRM Mobile App Development: 10%
Social App Development: 10%
Travel & Lifestyle Mobile App Development: 10%
Business Intelligence Mobile App Development: 5%
Publishing & Digital Content Mobile App Development: 5%

Mobile Platforms

Android App Development: 50%
iPhone iOS App Development: 50%

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%

Mobile App Development

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 project costs ranging from $7,000 to over $200,000. Clients appreciate their value for cost, effective communication, and project management. Overall, they deliver high-quality results and maintain strong relationships, often exceeding client expectations.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 15 reviews

< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Learn more about SEO pricing

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 5.0

Top Mentions

Review Highlights

High-Quality Deliverables

Semaphore Mobile consistently delivers high-quality products that meet or exceed client expectations. Their work is well-received across various industries, and clients report successful outcomes and improvements after project completion.
Genuine Interest in Client Success

Semaphore Mobile is recognized for their genuine interest in their clients' success. They actively engage with clients to understand their goals and provide valuable support and advice, enhancing the overall project experience.
Room for Improvement in Consultative Approach

While Semaphore Mobile excels in many areas, one client suggested that a more consultative, all-hands approach with regular meetings could enhance their service. This feedback suggests an opportunity for further engagement and collaboration.
Effective Problem Solving

Clients appreciate Semaphore Mobile's ability to solve complex software issues and provide innovative solutions. Their problem-solving skills are highlighted as a key strength, contributing to successful project outcomes.
Personalized Client Relationships

Semaphore Mobile is noted for building strong personal relationships with clients. They prioritize understanding client needs and maintaining open communication, which fosters trust and satisfaction. This approach makes clients feel valued and supported throughout the project.
Seamless Workflow and Communication

Semaphore Mobile maintains a seamless workflow through effective communication tools and practices. Clients report clear and consistent communication, which facilitates smooth project progression and collaboration.

Was this helpful?

Semaphore Mobile Reviews

Submit a Review

Verified

All Filters

0 selected

Sort by

Application Management & Support Custom Software Development Enterprise App Modernization Mobile App Development
Other app platform Android App Development iPhone iOS App Development
Confidential
Aug. 2022 - June 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"We were impressed with their ability to creatively solve our unique problems quickly."

Jun 29, 2023

Director, Athena Intelligence Group

Anonymous

Other industries
Washington, District of Columbia
11-50 Employees
Online Review

A business analytics company hired Semaphore Mobile to build a two-factor authentication app for iOS, Android, and web platforms.

Semaphore Mobile delivered the project on time and according to the client's specifications. The team's responsiveness and clear and consistent communication made them a reliable partner. Above all, they were incredibly creative and accommodating of the client's requests and needs.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Director of Athena Intelligence Group

Describe what your company does in a single sentence.

Our company specializes in providing Business Analytics for our clients.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Semaphore Mobile to accomplish?

We were looking for a two-factor authentication solution that provided expanded capabilities.

SOLUTION

How did you find Semaphore Mobile?

Referral

Why did you select Semaphore Mobile over others?

High ratings
Pricing fit our budget
Great culture fit
Referred to me

How many teammates from Semaphore Mobile were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

We were looking for a 2-factor authentication solution that provided expanded capabilities, and Semaphore Mobile provided an enhanced 2 factor authentication app for use on iOS, Android and Web platforms.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

A successfully launched 2 factor authentication app for use on iOS, Android and Web platforms.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Semaphore Mobile's timely delivery of our requests and immediacy in communication made them incredibly reliable to work with. They happily delivered on whatever need our company had, whenever we asked.

What was your primary form of communication with Semaphore Mobile?

Virtual Meeting

What did you find most impressive or unique about this company?

We were impressed with their ability to creatively solve our unique problems quickly and efficiently.

Are there any areas for improvement or something Semaphore Mobile could have done differently?

No.

RATINGS

5.0

Custom Software Development
$50,000 to $199,999
Jan. 2021 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"I love the laid-back yet professional way the staff interacts with us. They are a joy to work with."

Feb 15, 2022

Technology Manager, SaaS Company

Anonymous

Other industries
West Monroe, Louisiana
1-10 Employees
Online Review
Verified

Semaphore Mobile was hired by a SaaS company to help resolve complex issues within their software. The team has delegated two developers to provide software development support for the client.

Semaphore Mobile has successfully addressed and resolved the issues, allowing for a successful partnership. They excellently handle their tasks and deliver work on time. They are professional, personable, and easy to work with.

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

I am the technology manager for our company.

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire Semaphore Mobile, and what were your goals?

We needed help solving some complex issues with our software.

SOLUTION

How did you select this vendor and what were the deciding factors?

Semaphore Mobile had the people with the right skills to take care of our software development needs.

Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.

We had issues that we had struggled with in-house but Semaphore Mobile was able to nail them down.

How many people from the vendor's team worked with you, and what were their positions?

We worked with two people.

RESULTS & FEEDBACK

Can you share any measurable outcomes of the project or general feedback about the deliverables?

Our project was a massive success.

Describe their project management style, including communication tools and timeliness.

They were very professional yet personable and easy to work with. They always met deadlines and were we had no issues with them.

What did you find most impressive or unique about this company?

I love the laid-back yet professional way the staff interacts with us. They are a joy to work with.

Are there any areas for improvement or something they could have done differently?

No, I do not see anything they need to improve.

RATINGS

5.0

Showing 21-22 of 22 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 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 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 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.

Quick Facts

24 years in business

Team Breakdown

Q/A (7)

Project Management (6)

Mobile Development (10)

Backend Development (6)

Tools and Technology

Slack

Google Workspace

Jira

Loom

GitHub

Google Cloud Platform

HubSpot

Figma

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

Learn More

Verified Client Reviews: 19

Overall Review Rating: 5

Source: Clutch

Last Updated: July 12, 2026

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 Plano, TX, United States 75093

10 - 15

Contact Semaphore Mobile

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Get connected to see updates from Semaphore Mobile like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.

ExploreMore

(1)

CJ Cottey

Gadre Infotech Pvt. Ltd.

(1)

Shalaka Teli

Additional Connections

(7)

Semaphore Mobile

Mobile, Web, and AI Development

Overview by:

1 Language that we service

1 Locations

Services

Focus

Industries

Clients

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Reviews

Semaphore Mobile Review Insights

Overall Review Rating

Top Mentions

Review Highlights

High-Quality Deliverables

Genuine Interest in Client Success

Room for Improvement in Consultative Approach

Effective Problem Solving

Personalized Client Relationships

Seamless Workflow and Communication

Reviews mentioning:

Semaphore Mobile Reviews

Web & Mobile App Development for Business Analytics Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Custom Software Development for SaaS Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

About the Team

Our Story

Meet the Team

Eric SilverthornCEO

Jeff OwensDirector of Technology

Jonah SilverthornDirector of Sales and Operations

What Sets Us Apart

Quick Facts

Team Breakdown

Tools and Technology

Verification

Business Entity

Credit Report Results

Location

Locations (1)

Contact

Connect with Semaphore Mobile on Social

Connections

ExploreMore

Gadre Infotech Pvt. Ltd.

Additional Connections