Overview

About Twin Sun

Twin Sun is a software development agency based in Nashville, TN. We build, rescue, and modernize software, specializing in custom web and mobile apps. Backed by 20 years in the industry, we've seen everything from BlackBerry to AI.

We move fast, with a 100% U.S.-only team, and our reputation is everything to us. We only take on projects we can deliver on and work we feel good about.

We don't just write code. We take time to understand your business, so the software we ship actually moves it forward- whether that's launching a new product, saving a project that's gone sideways, or dragging a legacy system into the modern era.

Why clients choose us:

  • A 100% U.S.-only team. No offshore handoffs, no timezone gaps
  • Fast delivery and transparent process
  • Fearless problem solving, especially on projects others couldn't finish
  • Dedicated developers who take ownership of your project
  • Direct access to the people doing the work, not a layer of account managers

What drives us:

Our team runs on four values, and you'll feel all four in how we work with you.

  • Ownership — When something lands on our plate, it's ours. The buck stops with us, even when the path isn't clear or the situation isn't fair. You'll always know where your project stands.
  • Do the right thing — We aim to be beyond reproach. We don't hide problems, and we don't optimize for ourselves at your expense. When there's tension between what's easy and what's right, we choose right.
  • Excellence — Our work makes people stop and pay attention. Excellence isn't perfectionism, it's judgment: we calibrate to what your project actually needs and always look for a better way.
  • Genuinely helpful — We don't pretend to have all the answers. When we don't know something, we say so, go figure it out, and come back with a solution. We tailor what we do to your actual goal, not just the task in front of us, and we're a genuinely good time to work with.

What clients say

Review Analytics of Twin Sun

Every review is verified through Goodfirms before it's published.

5.06 Verified Reviews
Quality5.0
Schedule & Timing5.0
Communication5.0
Overall5.0
Review Summary
Summarized from 6 verified reviews · Updated September 2026
Clients consistently praise Twin Sun for combining strong technical expertise with effective communication and collaborative project management. The team is noted for solving complex technical challenges, delivering high-quality web and mobile platforms, and adapting flexibly to client needs. Reviewers emphasize the company's genuine commitment to understanding business objectives and providing reliable ongoing support throughout projects.
✦ AI-generated summary. May not reflect every review.
Detailed Reviews of Twin Sun
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What reviewers mention most

Charles Roach, Founder & CEO at BiteSlice, Inc.Verified Review
Posted on Aug 27, 2026

Twin Sun has been an exceptional development partner, combining technical expertise, strong communication, and a genuine commitment to bringing our platform vision to life.

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Web DevelopmentApp Designing (UI/UX)

We partnered with Twin Sun to develop the web-based MVP for our content licensing platform. Their team has worked across several important components of the product, including social media API integrations, a user administration portal, ChatGPT integration, and a marketplace prototype. The team successfully delivered the MVP, which played an important role in helping us complete a fundraising round with angel investors. Their ability to translate our ideas into a functional product gave us a strong foundation for presenting the platform and demonstrating its potential. Project management has been one of the strongest aspects of the engagement. Twin Sun consistently delivers work on time, communicates effectively, and keeps us informed throughout the development process. Their team is passionate about the project and brings a strong work ethic and technical understanding to every stage. What impressed us most was the quality of the overall partnership. After more than 20 years working with startups, I consider Twin Sun one of the best teams I've worked with. Their personable approach, expertise, responsiveness, and genuine investment in our success have made the collaboration particularly valuable.

Jeff Wraley, Founder at GroundworkVerified Review
Posted on Aug 26, 2026

Twin Sun delivered a high-quality product through a lean and flexible development approach, making our transition from a low-code system seamless.

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
App Designing (UI/UX)

We partnered with Twin Sun to develop a fully functional product for our video-based sales system. Their team built key capabilities including video assets, texting, and a CRM-like dashboard, while also providing ongoing consultation to help us make informed product decisions throughout the engagement. A major success of the project was the seamless transition from our existing low-code system to the new product. Twin Sun demonstrated a strong understanding of how to build great products in a lean and practical way, avoiding unnecessary complexity while keeping the development focused on our core business needs. The team was highly flexible and responsive throughout the engagement. They provided quick code reviews, addressed our needs promptly, and adapted effectively as requirements evolved. Their collaborative approach made it easy to work together and maintain steady progress. Twin Sun also delivered reliably from a project management perspective. They completed the work on time and within budget while maintaining a high standard of quality. Their technical expertise, responsiveness, and practical approach made them a valuable product development partner.

Josh Moquin, VP of Operations at SnapshotVerified Review
Posted on Aug 26, 2026

Twin Sun made a complex website development process simple through responsive collaboration, technical expertise, and reliable delivery.

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Web Development

We partnered with Twin Sun to develop five websites on the HubSpot CMS for our marketing agency. Having worked with their team as a development partner for years, we knew we could rely on their technical expertise and ability to handle complex requirements. Twin Sun delivered fully functional websites with highly customizable backends, giving our team the flexibility needed to manage and update the sites effectively. Their technical capabilities allowed them to address challenging requirements without making the development process unnecessarily complicated. The team was consistently responsive and easy to work with throughout the engagement. Even with tight timelines, they remained focused on delivering quality work and kept the project moving forward efficiently. Their ability to adapt and find practical solutions helped us avoid unnecessary delays. What impressed us most was their approach when challenges arose. Rather than making difficult requirements feel complicated, the team consistently found ways to simplify the process and make things manageable for us. They exceeded our expectations and continued to demonstrate why they have been a valuable long-term development partner.

Blaine Andrews, CEO & Founder at Criticless Inc.Verified Review
Posted on Aug 26, 2026

Twin Sun delivered a high-quality web and mobile platform while providing smooth project management, flexibility, and reliable ongoing support.

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Mobile App DevelopmentWeb DevelopmentApp Designing (UI/UX)

We partnered with Twin Sun to design and develop our social media platform across both web and mobile. Their team took our vision and translated it into a functional product while incorporating the features needed to create a strong experience for our users. Twin Sun promptly delivered a quality website and mobile application, which helped us increase our user base. Their team also continued to maintain and improve the platform as our users' needs evolved, demonstrating flexibility and a strong understanding of the product. Project management was one of the strongest aspects of the engagement. The project was managed smoothly and without significant issues, with the team remaining responsive and adaptable throughout development and maintenance. They also proactively addressed challenges whenever they arose rather than waiting for issues to escalate. Overall, Twin Sun proved to be a dependable development partner. Their ability to adapt to changing requirements, maintain the platform effectively, and consistently focus on delivering a quality product contributed significantly to the success of the engagement.

Stephen Hill, CEO at Recycle NOWVerified Review
Posted on Aug 26, 2026

Twin Sun stabilized our application, solved critical technical challenges, and delivered meaningful improvements while genuinely caring about our business needs.

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Software DevelopmentApp Designing (UI/UX)

We partnered with Twin Sun to stabilize our application across multiple platforms, improve performance, and introduce new features. Their team quickly understood the technical challenges we were facing and worked systematically to improve the application's reliability and overall user experience. The results were significant. Website pages loaded faster, our team members experienced more consistent login functionality, and our AWS costs decreased substantially following their optimization work. These improvements made the application more reliable while also helping us operate more efficiently. Project management was well organized throughout the engagement. The team used Jira to manage tasks and communicated effectively through email, calls, and Google Meet. They remained responsive to our questions and kept the work moving forward without unnecessary delays. What impressed me most was how invested the team was in actually solving our problems. They did not simply complete the assigned tasks; they took the time to understand our challenges and find practical solutions. Their genuine care, technical expertise, and commitment made the engagement a success.

Charles Roach, Founder & CEO at BiteSlice, Inc.Verified Review
Posted on Aug 26, 2026

Twin Sun has been an exceptional development partner, combining technical expertise, strong communication, and a genuine commitment to bringing our platform vision to life.

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Web DevelopmentApp Designing (UI/UX)

We partnered with Twin Sun to develop the web-based MVP for our content licensing platform. Their team has worked across several important components of the product, including social media API integrations, a user administration portal, ChatGPT integration, and a marketplace prototype. The team successfully delivered the MVP, which played an important role in helping us complete a fundraising round with angel investors. Their ability to translate our ideas into a functional product gave us a strong foundation for presenting the platform and demonstrating its potential. Project management has been one of the strongest aspects of the engagement. Twin Sun consistently delivers work on time, communicates effectively, and keeps us informed throughout the development process. Their team is passionate about the project and brings a strong work ethic and technical understanding to every stage. What impressed us most was the quality of the overall partnership. After more than 20 years working with startups, I consider Twin Sun one of the best teams I've worked with. Their personable approach, expertise, responsiveness, and genuine investment in our success have made the collaboration particularly valuable.

Focus

Service Focus of Twin Sun

How the team's effort is distributed across services.

30%30%20%20%

Industries Focus

10%10%10%10%10%10%10%10%10%10%

Client Focus

Small Business20%
Medium Business80%

The Positioning

AI Tools & Purpose

The stack the team uses to move faster.

Claude
Development Support
Selected Work

Client Portfolio of Twin Sun

Where their work concentrates - by industry, budget, and timeline.

Project Industry

Healthcare33%
Social33%
Productivity33%
Major industry focus
Healthcare

Project Cost

$100001 to $50000067%
Not Disclosed33%
Common project cost
$100001 to $500000

Project Timeline

Ongoing33%
51 to 100 Weeks67%
Typical timeline
51 to 100 Weeks

Clients: 4

Artful AgendaObjective ZeroRent OneNashville Biosciences

Portfolios: 3

Trust & Safety

Verified business

Goodfirms confirmed Twin Sun's legal identity, ownership and registration before verifying the profile.

Business verified by Goodfirms
Verified on Aug 26, 2026 · Goodfirms Trust & Safety

Registered entity

Legal nameTwin Sun
Entity typeLLC
Incorporated2017 · 9 yrs
LocationNashville, Tennessee, United States
CountryUnited States

What Goodfirms verified

Twin Sun
Company registration confirmed against public records
Registered business address
Address verified with supporting documents
Beneficial ownership
Ownership disclosed and reviewed
Authorized representative
Representative's identity confirmed
Supporting documents
Incorporation and ID documents checked

Ownership and identity documents were reviewed privately by Goodfirms and are not published. Personal details of owners and representatives are kept confidential.

Where we are

Locations (2)

Offices where Twin Sun operates.

Headquarter
United States

United States

1300 Division St. Suite 201
Nashville, Tennessee 37203
6158730035
United States

United States

1300 Division Street Ste 201
Nashville, Tennessee 37203
(615) 873-0035