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 produce 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 sub contractors, no time zone gaps.
- Goal-driven delivery and transparent process.
- Proven problem solvers. We fix underlying problems instead of pitching re-writes.
- Dedicated teams 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.