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App Development Company

CRT Group

South African agency in George building websites, e-commerce stores, apps and custom software, plus digital marketing

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About CRT Group

CRT Group, trading as CRT Digital, is a web and software agency founded in 2013 by brothers Neall and Ryan Siems in George, South Africa. Its team builds websites, online shops, mobile apps and web-based business software for companies across the country, and also handles design, marketing and hosting.

What CRT Group offers

  • Web and software development — custom websites, e-commerce stores, API integrations and web-based tools that support internal operations.
  • Mobile app development — apps built for clients, such as a learning app.
  • Xero integrations — as a certified Xero developer, it links online stores and other cloud systems to Xero to sync quotes, invoices and customer records.
  • UX, branding and graphic design — logos, brand identity, interface design, packaging and print material.
  • Digital marketing — SEO, social media management and email newsletters.
  • Hosting — website, email and server hosting, from simple sites to dedicated servers.

Who it works with

South African businesses of varied sizes; earlier material also mentions an office in Cape Town.

Key facts

  • Based in: George, South Africa
  • Founded: 2013
  • Founders: Neall and Ryan Siems
  • Certification: Xero certified developer

Profile written by TrustList from the business's own published information, Sep 2026.

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Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

What the business tells TrustList

Founded
2013 (13 years) evidence sent

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