Optical Test and Calibration Ltd

Optical Test and Calibration Ltd OTC is an independent calibration laboratory based in the city of Bradford, founded in 1989.

We offer accredited calibration services for fibre optic, photometric, and electrical equipment, alongside traceable calibration for a wide-variety of kit. Introduction
Optical Test and Calibration Limited is an independent calibration laboratory based in the city of Bradford in West Yorkshire, UK. Owned by its' directors and staffed by quality professionals, the company aims to provide an unrival

led level of support for test equipment calibration, service and sales. Background
OTC was originally founded in 1989 as the only independent UK calibration house specialising in the field of infrared light measurements for fibre optic test equipment. OTC was one of the first UK companies to gain accreditation from UKAS for fibre optics. We have continued to invest in existing and new fields of activity, with the addition of UKAS accreditation for electrical and electronic instrumentation and for illuminance measurements as part of the expansion of our radiometric calibration facility to include photometric test equipment. Company Size
Employing 29 people, OTC has a turnover in excess of £2M per year and operates from 6000 sq. ft of modern premises in a high technology development adjacent to the University of Bradford.

We will be closing today at 2:00PM and will re-open on Friday 2nd January. From all of us here at OTC, we wish you a Hap...
31/12/2025

We will be closing today at 2:00PM and will re-open on Friday 2nd January.

From all of us here at OTC, we wish you a Happy New Year - May it bring great fortune and good health for all!

24/12/2025

As we wrap up the year, we want to thank you for being an important part of our journey.
Thank you for your trust, loyalty, and support this year.
Wishing you a joyful Christmas and a New Year and look forward to working with you in the year ahead.
From everyone at OTC 🎄☃️🎄

Address

19-23 Campus Road, Listerhills Science Park
Bradford
BD71HR

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 4pm

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