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Theorem Solutions is now part of Tech Soft 3D’s SpinFire portfolio of ready-to-use enterprise applications, helping engineering and manufacturing organizations remove CAD data access bottlenecks and improve 3D data flow across teams, suppliers, and PLM systems. Following its acquisition by Tech Soft 3D in 2024, Theorem Solutions’ products have been rebranded under the SpinFire name, bringing together CAD translation, 3D PDF publishing, and XR visualization technologies into a unified portfolio. These capabilities now continue as: – SpinFire Convert: Multi-CAD translation and lightweight visualization for PLM-ready and 3D PDF outputs (formerly CAD Translate, also known as CADverter; and CAD Publish, also known as Publish 3D) – SpinFire XR: Immersive visualization and collaboration in AR, VR, and MR (formerly TheoremXR), including XR data preparation and optimization capabilities, formerly known as the Theorem Visualization Pipeline (TVP) For over 30 years, Theorem Solutions supported engineering and manufacturing organizations with CAD data exchange, 3D PDF publishing, and immersive XR experiences. These capabilities were delivered in close collaboration with leading PLM vendors, including Dassault Systèmes, Siemens, and PTC. While the Theorem Solutions brand is no longer active as a standalone product brand, these capabilities, along with the technology, expertise, and support behind them, continue to evolve as part of Tech Soft 3D’s SpinFire portfolio. Explore the full SpinFire portfolio to learn more: https://www.techsoft3d.com/enterprise/

Website https://www.theorem.com
Revenue $510.1 million
Employees 31 (18 on RocketReach)
Founded 1989
Phone +44 1827 305350
Technologies
Industry Software, Software Development, Software General, 3D Technology, CAD/CAM/CAE, Hardware, CAD, CAM, CAE, Translation, Automation, Data-Exchange, Migration, Visualization, STEP, PLM, Interoperability, Collaboration, Consultancy, Services, Autodesk, Spatial, Dassault, ICEM, JTOpen, PDES, ProSTEP, PTC, SolidWorks, Siemens
Web Rank 4 Million
Keywords Engineering Software, Manufacturing Software, 3d Modeling Software, Product Lifecycle Management, Digital Twin Technology, Technical Documentation Software, Cad Data Management, Computer Aided Design, 3d Visualization Software, Design Data Management, Data Interoperability, Software Development Tools, Engineering Productivity, Manufacturing Automation
Competitors Upwork, Fiverr, Freelancer.com, Toptal, 99designs, Nexient, Guru.com, Toggl, We Work Remotely, Vettery +39 more (view full list)
SIC SIC Code 73 Companies, SIC Code 737 Companies
NAICS NAICS Code 54151 Companies, NAICS Code 541 Companies, NAICS Code 541511 Companies, NAICS Code 5311 Companies, NAICS Code 53 Companies, NAICS Code 54 Companies, NAICS Code 531 Companies, NAICS Code 5415 Companies

Theorem Solutions Questions

The Theorem Solutions annual revenue was $510.1 million in 2026.

18 people are employed at Theorem Solutions.

The NAICS codes for Theorem Solutions are [54151, 541, 541511, 5311, 53, 54, 531, 5415].

The SIC codes for Theorem Solutions are [73, 737].

Top Theorem Solutions Employees

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