NDT MainCal Company Profile

NDT MainCal Limited was established in 1991 as a specialist calibration house for the Non Destructive Test industry. Its founders brought more than 100 years of NDT experience to the company.

Over the years our customer base has grown to include a diverse range of customers ranging from self-employed NDT technicians to blue chip companies located worldwide.

Read More on our Company Profile Page



Updated Privacy Notice

As you may know, a new European-wide date protection law will apply from Friday 25th May 2018. As part of NDT Maincal Ltd.’s commitment to protecting the privacy of our customers, we have updated our Privacy Notice to meet the requirements of the new law. The Privacy Notice explains how we use your personal data, and what your rights and choices are.

Please take the time to read our updated Privacy Notice.






ISO/IEC 17025 Accreditation for NDT MainCal Ltd!

Following our recent audit by UKAS we’re pleased to announce that our facility in Derbyshire is now 17025 accredited.

Since 1991 we have offered an unrivalled service for the calibration and repair of NDT equipment, our new accreditation will extend our scope to cover the ever changing and demanding requirements of the aerospace industry.

Our initial scope of approval includes MPI Bench units both at our facility and onsite, however procedures are in place to extend this to cover many more pieces of equipment covered under our ISO 9001 approval.

Please email for details of how we can support your calibration requirements  



NDT Awarded Major Contracts For Custom Design Equipment

NDT Maincal is pleased to announce they have recently been awarded the following major contracts for the supply of custom designed equipment:-

An international PLC specialising in the manufacture and supply of magnesium alloys have commissioned NDT MainCal to design and supply a 4.5m long ultrasonic immersion testing tank, the unit has been designed to integrate with the company’s existing ultrasonic flaw detection equipment, providing the facility to output defect position information. The project from design to commissioning will take 24 weeks

A major aerospace subcontract company have awarded NDT MainCal the contract to design and supply a complete fluorescent dye penetrant process line for processing aerospace components up to a weight of 100Kg. The project from design to commissioning will take 12 weeks.

NDT Equipment Calibrations

All our calibrations are carried out under our ISO 9001:2008 registered quality system.

Radiography enclosures & Cabinets

Our services range from design consultancy to custom turnkey packages and refurbishment of existing enclosures & cabinets.

RPA Services

We offer RPA Services and training to Industrial, commercial and public sectors.

NDT bespoke equipment offered

MainCal offer customers professional consultation and bespoke equipment development.

PDF document downloads

We offer a selection of PDF documents on line covering a range of certificates, services and product information in our downloads section.

Partners of NDT Maincal

We work with our sister companies to provide services to the aerospace, aviation and other industries.

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