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About Us
Expert, impartial support
20+
years in business made possible by our engineering specialists
10k+
calibrations completed each year with additional capacity to see this figure grow
15+
years UKAS accredited, boasting some of the best temperature uncertainties in the UK
Who are we?
We are your temperature and humidity specialists
Withnell Sensors is an international organisation providing reliable temperature and humidity products and services. Founded in 2006, we serve various businesses with a one-stop approach. Our founder has 30+ years of experience in pharmaceutical and biotech compliance. Our team uses this expertise to serve industries like food, aerospace, manufacturing, healthcare, and more, partnering with market-leading brands to expand our offerings.
Our Expertise
Pharmaceutical Manufacturing
The quality, efficacy and safety of our medical portfolio, including vaccines, therapeutics and medications, is dependant on accurate temperature and humidity storage and testing.
Advanced Manufacturing
Technical markets outside of the scientific sector are often as stringently regulated for temperature and humidity control, including advanced engineering and manufacturing.
Laboratory Environments
The environmental conditions of biological samples, tissues and specimens are paramount to their stability in R&D, biotechnology, diagnostics, veterinary, pharmacy and other settings.
Food & Beverage
The food and beverage sector deploys process manufacturing which can often mean raw materials and final products require extended storage prior to transportation.
We work with industry leaders:
Our history
Since our official opening in 2006, Withnell Sensors has been committed to offering expert support and product solutions for your temperature and humidity measurement requirements. Our passion is to provide top-level technology and innovative solutions to various target markets.
Withnell Sensors was founded
In 2006, Withnell Sensors was founded by Philip & Lynne de Freitas. Philip had worked for over 30 years for Kaye, leaders in thermal validation in the Pharmaceutical Manufacturing Industry. We offered a range of temperature and humidity data loggers to the market under the Veriteq brand, this brand was later purchased by Vaisala. Withnell Sensors still represents Vaisala today.
Expansion
In 2010, we moved into larger, dedicated premises to allow us to establish a high-precision temperature calibration laboratory in the heart of Lancashire.
Ukas ISO 17025 accreditation
Throughout 2011 we successfully implemented our Quality Management System and achieved UKAS ISO 17025 accreditation for our temperature calibration laboratory.
Exclusive partnership with Kambic Instruments
We became exclusive distributors of Kambic products, offering a range of climatic chambers and metrology products in the UK and Ireland.
Distributors of SenseAnywhere
In 2016, we started distributing SenseAnywhere data loggers in the UK and Ireland, an innovative cloud-based system that can be used for continuous monitoring or thermal validation.
Partnership with KAYE
2020 was the year we reconfirmed our long standing history with Kaye by officially becoming a global partner for the UK. Enabling us to sell the Kaye products and support our customers with UK based Kaye service.
Expanding our portfolio with FARRAR
Withnell Sensors looks across the Atlantic. We partnered with FARRAR, powered by global climate innovator, Trane Technologies. Focused on meeting the rapidly growing demand for low and ultra-low temperature processes involved in the manufacturing, freezing and storage of medicines, vaccines, and other life-science products.
International expansion
Through out 2023, we were proud to open our North American office based in Toronto, Canada.
Partnership with Haier
In 2024, Haier Biomedical became one of our trusted partners enabling us to sell Haier products and support our customers with UK based Haier support.
Celebrating 20 Years at Withnell
In 2026, WSL celebrates 20 years of success and relocates to a larger facility, supporting future growth and enhanced customer services.
The Withnell Way
Our Customer Care Promise
A fundamental part of our business ethos involves offering an end-to-end supportive buying journey. That means we’ll help you during every stage leading up to the purchase of the right product or service and continue to guide you after the sale.
We actively incorporate all feedback we gather to ensure that we deliver even better results in the future. Our customer surveys, live chats, phone lines and site visits are all in place to ensure we consistently offer the highest levels of service. When you purchase through Withnell Sensors, you become a part of the family.
These efforts transcend our industry network as we also maintain strong relationships with brands that offer the most stringent regulatory-compliant instruments, systems and products to continue serving pharmaceutical and biotechnology applications.
This journey has helped us achieve our specialist status as each and every team member offers sector-specific advice and guidance to customers across the globe. It also aids us in delivering the highest standard of expertise to identify temperature and humidity solutions that will implement quality assurance.
How can we help?
We deliver expert and impartial advice to help you choose the right solution.
Alternatively, please get in touch and one of our specialist team will assist with your enquiry
Sales enquiries:
Service enquiries:
Call us:
+44 (0) 1254 831 375
Hear From Our Customers
See how our customers are achieving success with our solutions. Explore real-world case studies that highlight improved efficiency, reliability, and performance across a range of industries.
Impartial expert advice