Delivering Confidence
For Your Cleanroom



For environmental monitoring and process validation in pharmaceutical and associated industries

Environmental Monitoring


Looking for advice or guidance on environmental monitoring?

Learn how to combine products, services and accessories to ensure your aseptic areas comply with industry standards

Read More



Need some help deciding which prepared media you should use?

Learn about different industrial applications for settle plates, contact plates, bottled media and broths

Read More


Our focus is always the customer


Bespoke Solutions

What do you need? We work with QC microbiologists and technicians to deliver specific solutions.


We deliver to order

Whatever size or frequency of consignment, we can deliver, what you need, when you need it.


Highest standards

Our Redipor® manufacturing facility has been ISO 9001 registered since 1997. All products quality certified.


Take a tour

We love showing people round for audits or simply to get to know us. Call any time to book a tour.


Delivering confidence

100% inspection processes, gamma irradiation, special packaging, and a huge range of quality-assured products.


Services and extras

Ensure your equipment is calibrated to the highest standards and your EM programs are perfect for you.


A few societies and associations we are members and sponsors of


Delivering confidence and quality to your cleanroom

QA & Testing

Every batch of media is quality tested to the strictest standards and comes with full certification


Ensuring your environmental monitoring equipment is calibrated regularly for optimum results


Settle plate stands, contact plate carriers, surface samplers and more. Bespoke options available on request

What our customers say

Will Brearley, Administrator

Helvic Laboratories

"Alex in sales is fantastic, Hamish has been super helpful too and I've never had a bad experience. Big thanks to Shareen for completing an NC in about 3 hours today too! Saved us a huge headache down the line and we can't thank you all enough. Easily the best supplier we have - there's a reason we rely on you for our most critical media."

Sarah Stewart, Senior Microbiologist

Pharmaceutical CMO

"Super service - when we had an issue with our existing supplier of Contact Plates - you've stepped in and now we're going with you for this product."

Quality Assurance and Cleanroom Specialist

Manufacturer and Supplier of Biocidal and Cleaning Products for Cleanrooms

"Customer service is excellent and I always receive a swift response from one of the team. Should I request a price - I am then provided with information regarding any costs and an estimated delivery date. Once an order is placed, it is always on time. Any queries are quickly resolved. It is a pleasure doing business with Cherwell - it really feels like you care about the customer."

Julie Willis, Senior Assistant Technical Officer

NHS Blood and Transplant

"I am always pleased with the efficiency and quick turnaround time when I send our Air Samplers off to Cherwell for their service."

Kieran Broadbridge, Senior Project Leader


"Hassle free. Quality product. Minimal QC issues with good communication when they do occur."

Thomas Mullen, Quality Operations Specialist (QA)

MedPharm Ltd

"I met with representatives from Cherwell at the Cleanroom Technology Conference recently, and found them to be not only approachable and friendly, but also highly knowledgeable and able to help with a query I had on microbial monitoring of compressed air."

Quality Manager

BioDivide Ltd

"Great customer service and always keeping our company informed of changes particularly concerning regulatory matters that could impact us. Helpful, friendly, efficient."

Microbiology Team Leader

Industrial Pharmaceutical Company

"Staff are always quick to respond and try to help as much as possible within the scope of their own knowledge/ability. If they are unable to help, they will always forward the query onto someone who can."

QA Pharmacist


"I contacted Cherwell in relation to getting an empty vial with a flip top lid for a planned process validation. The person dealing with my request could not have been more helpful and really went the extra mile in helping me to get the product I needed."

Technical and Regulatory Affairs Manager

Cleaning Products Supplier

"Thank you! Once again – great service! Goods received within 2 days of ordering and all packaging intact, CoAs received same day."


Industrial Pharmaceutical Company

"Service from Cherwell is outstanding. The equipment is extremely reliable. That's what we ask for."

National Blood Service


"Your service has always been very good, as well as your documentation. Quite a lot of companies you have to chase these days for deliveries and certificates. You always send them promptly."

Julie Bowden, QA Releasing Officer

Pharmacy Manufacturing Unit, Portsmouth

"Friendly, helpful, efficient. Always get a prompt reply to any query. Always feel like a valued customer. Definitely feel like the company cares about it's customers and respects the industry we work in."

Simon Phillips, Head of Sterile Manufacturing

Nova Laboratories Ltd

"We urgently needed TSB in bottles with a septum, overwrapped and terminally sterilised and in large quantities. Working closely with Cherwell, who provided excellent communication throughout, we were able to meet the time frames for our media fill validation."

Assistant Pharmacy Purchasing Manager


"Cherwell provide prompt notifications regarding products and closures i.e. Bank holidays etc. Up to date information is always forwarded on to the customer."

Tracey Roberts, Quality Assurance Technician

Wrexham Maelor Hospital

"Cherwell have always provided a great service, with innovative ideas and products. Great customer service too."

Gerald Prout

Kennet Bioservices Limited

"All my contacts with Cherwell have been resolved satisfactorily with 24-48 hours."

Karen Salisbury, Healthcare Scientist

Wrexham Maelor Hospital

"Cherwell provide very efficient service, communication and good product choice."

Microbiology Technician

Industrial Pharmaceutical Company

"The service from Cherwell is excellent, they will always try to provide help where possible."

Jane Maffei, Lead Technician in Aseptic Services

Worcestershire Royal Hospital

"Cherwell are reliable, adaptable, and nothing is to much trouble, excellent customer services. Friendly and helpful."

Head Microbiologist

North Tees and Hartlepool NHS Trust

"Thanks Emma – and all for your help. This does serve to back up the reason we have had such good relations with Cherwell for so many years. Proactive holistic bigger picture thinking."

Louisa Blake, Senior Pharmacy Technician QA/QC

Salisbury District Hospital

"You provide us with an amazing flexible service.  Although you are a growing firm you still have the customer service of a dedicated provider! Thanks."

Facilities Coordinator

Roslin Cell Therapies Limited

"Cherwell provide a quick response, very good cooperation and availability, with precise service, high quality reports and overall performance."



NEW! Revised Environmental Monitoring Process and Validation Guide

How are you going to meet the challenge of the new EU GMP Annex 1?

Our revised and updated guide helps highlight decisions and actions to ensure you remain compliant.


Download Guide