Theta Technologies: Advanced NDT solutions for additive manufacturing, metals, and composites.

Welcome to Theta Technologies, the forefront innovators in non-destructive testing (NDT) tailored for additive manufacturing, conventional metals, and composite components for critical applications. As manufacturing evolves, and more intricate designs and complex geometries become increasingly common, traditional NDT methods struggle to keep up. That’s where we come in. 

Latest news and innovations

3D print platform displaying multiple additive manufactured metal bars.


Events | Formnext 2023

Revolutionising additive manufacturing part validation with NDT.

The world’s premier additive manufacturing event, Formnext, has come and gone for another year. Find out why Theta Technologies’ NDT solution, RD1-TT was the ideal addition to the list of exhibitors at this year’s event in Frankfurt.

3D print platform displaying multiple additive manufactured metal bars.

Feature | NDT for additive manufacturing

Theta Technologies and Plymouth Science Park: Pioneering flaw seeding for AM metals.

Learn more about a pioneering flaw-creation process that lays the much-needed foundations for validating non-destructive testing techniques for additive manufacturing.

Complex additively manufactured part produced using advanced techniques.

Feature | NDT for additive manufacturing

Theta Technologies’ RD1-TT brings innovations in additive manufacturing NDT.

The transformative power of additive manufacturing (AM) is undeniable. The imperative of ensuring the highest standards in part integrity has been a challenge for AM, but RD1-TT promises to change that.

Theta Technologies company representatives showcasing non-destructive testing products for aerospace at a recent exhibition

Feature | NDT for additive manufacture

Setting the standards for additive manufacturing non-destructive testing (NDT) solutions.

Theta Technologies’ revolutionary non-destructive testing technology solves the main challenges with AM quality assurance and allows manufacturers to understand their components like never before.

This has the potential to provide a rapid quality control tool to evaluate samples of complex geometries…

Enrico Gallino, Senior Engineer, Ricoh 3D

Introducing RD1-TT
Rapid non-destructive testing. Advanced flaw detection capabilities. Effortless operation. Empowering AM mass manufacture.

Our advantage

Our unique technology offers a number of key advantages over other non-destructive testing methods on the market.


The first NDT solution capable of performing a complete non-destructive test in under one minute.


Unlock the full potential of additive manufacturing with the ability to test metal and composite parts with complex geometry.


Our technology can detect even the smallest of flaws deep within manufactured parts that other NDT methods can’t.

Explore our case studies

NDT | Additive Manufacturing | Complex Parts

Unlocking the design potential of metal additive manufacturing with non-destructive testing (NDT).

The ability to create parts featuring increasingly complex geometries with additive manufacturing is an incredibly appealing factor, but existing non-destructive testing (NDT) techniques struggle to cope with the flexibility that 3D printing brings causing significant challenges for manufacturers of parts for safety-critical applications. Find out how Theta Technologies’ nonlinear resonance NDT technique can offer the solution for the additive manufacturing industry.

NDT | Turbine Blades | Creep

The rapid assessment of creep in nickel superalloy turbine blades with nonlinear resonance NDT.

Explore the significance of non-destructive testing (NDT) in safety-critical industries such as aerospace, automotive, and power generation. With even minor flaws compromising part integrity and posing risks, Theta Technologies’ nonlinear resonance NDT offers a rapid approach to flaw detection in turbine blades, potentially extending their lifespan and reducing maintenance costs. Dive into the potential of RD1-TT in ensuring component quality.

NDT | Additive Manufacturing | Star Artefacts

Nonlinear resonance NDT used to test additively manufactured star artefact samples.

Discover the challenges and solutions with non-destructive testing (NDT) for 3D-printed metal components. With traditional methods often proving inadequate for the testing of additive manufactured parts, Theta Technologies’ nonlinear resonance technology emerges as a beacon of hope. Discover how nonlinear resonance NDT, designed with additive manufacturing’s validation challenges in mind, can confidently test intricate 3D-printed components.



This game-changing non-destructive testing solution has been recognised at this year’s TCT Awards for offering an impressive portfolio of benefits for additive manufacturers during post-processing.

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Find out more about this revolutionary NDT technology from the team that built it.

Theta Technologies Limited


Theta Technologies Limited

3 Babbage Way

Exeter Science Park

Clyst Honiton



United Kingdom


Enquiries: +44(0)1392 247912



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