About Castus Design

Castus is a close-knit, highly skilled team of professionals, delivering beautiful digital projects to global and local businesses from our Sheffield office in the UK. Everyone on their team is passionate about what we do, and learning the latest technologies, techniques, and marketplaces comes as second nature to them. They help you develop your online presence and increase your name by revolutionizing the process you run your business and employ your customers.

Last updated May 13, 2026

Services

Mobile App Development Web Development Mobile App Design App Marketing

Industries Served

Energy & Utilities Financial Services Information Technology Legal Services Media & Entertainment Pharmaceuticals & Biotechnology

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Company Info

Founded 2005
Employees 10 - 49
Hourly Rate $150 - $199

FAQs

Roughly how long does a project with Castus Design take start to finish?
It depends heavily on scope. A lean MVP might be a matter of weeks, while a full enterprise system or a larger digital transformation project can stretch into months once you factor in development, testing, and deployment. With a team of 10 - 49 professionals, Castus Design can scale resources based on project urgency.
What kind of software work does Castus Design take on?
Castus Design typically covers the standard range of software development work — mobile apps, web platforms, custom internal tools, UI/UX design, cloud infrastructure, AI integrations, and larger enterprise builds. Its core focus areas include Mobile App Design, App Marketing, Web Development and Mobile App Development.
Does Castus Design only work locally, or take on clients elsewhere too?
Castus Design isn't necessarily limited to one region and may take on clients across several countries, depending on market demand and business partnerships.
Is Castus Design more of an offshore setup or a local team?
That depends on where Castus Design is based and who they primarily serve — some firms like this operate fully offshore, some are local-first, and plenty run a hybrid model that mixes both. For context, its listed capabilities span Mobile App Design, App Marketing, Web Development and Mobile App Development, and its typical hourly rate is around $150 - $199.
Will Castus Design sign an NDA before we even discuss the project in detail?
Most professional shops, including Castus Design, expect to sign a Non-Disclosure Agreement before getting into specifics — it's a fairly standard ask and a reasonable one to make before sharing anything sensitive. For context, its listed capabilities span Mobile App Design, App Marketing, Web Development and Mobile App Development, and its average project cost is reported at $2500000+.
What happens with Castus Design after the project actually launches?
Like most established software teams, Castus Design typically sticks around post-launch for ongoing maintenance — bug fixes, performance tuning, security patching, new feature work, and general technical support. For context, its listed capabilities span Mobile App Design, App Marketing, Web Development and Mobile App Development, and its average project cost is reported at $2500000+.
Can I just hire developers from Castus Design to sit alongside my own team?
Usually, yes — a dedicated developer arrangement is a common option with firms like Castus Design, where you get engineers working exclusively on your project as an extension of your in-house team rather than as a separate outsourced unit. For context, its listed capabilities span Mobile App Design, App Marketing, Web Development and Mobile App Development, and its average project cost is reported at $2500000+.
What's actually in Castus Design's technical toolkit?
The exact stack shifts by project, but Castus Design commonly works across things like React, Angular, Vue.js, Node.js, Python, .NET, Java, PHP, Flutter, React Native, native iOS and Android, and cloud platforms like AWS and Azure. For context, its listed capabilities span Mobile App Design, App Marketing, Web Development and Mobile App Development, and it reports a team size of 10 - 49 professionals.
What's the easiest way to actually get in touch with Castus Design?
Most businesses reach Castus Design through its website, a direct email, or a contact form — any of which works for discussing what you need, booking an initial conversation, or asking for a rough estimate. For context, its listed capabilities span Mobile App Design, App Marketing, Web Development and Mobile App Development, and its typical hourly rate is around $150 - $199.