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Bryan Davies


Our Chairman, he is a natural fit for our company with a trusted and growing global reputation. He has many years’ experience within the international speciality chemicals industry.  Commercial Director at Thomas Swan and Chairman of Trustees at Catalyst Science Discovery Centre. 

Honoured with a Lifetime Achievement Award from the Chemical Industries Association and international trade adviser for almost a decade. Bryan is a passionate rugby fan and is Honorary President of Cheshire RFU.

Alan McCann


Alan is one of the key Directors at Castle, he has many years of experience in global logistics and business. He has been involved with the chemical industry for over 20 years.

He enjoys mountaineering, hill walking, golf and scuba diving as well as being a family man and strong Liverpool FC supporter.

Jeffrey Muff


 Jeff’s experience and background in the chemical industry was instrumental in the launch of Castle Chemicals. 20 years or so in, he is fundamental to the success of this global company as it is today.

He’s a strong family man who also loves golf and a keen supporter of Manchester United FC. He is the driving force and passionate about involving everyone in the team.

Mark Allan

Sales Director​

With 30 years in the chemical industry, including Yorkshire Chemicals and Clariant. Specialising in textile processing and in the last 10 years, a diverse range of industries.

Mark follows Leeds Rugby League and Leeds Utd FC. Enjoys travelling, spicy meals and walking their dog on the Yorkshire Moors.

Colleen Motion

Customer Care Team Leader​

An enthusiastic, who loves Castle Chemicals because it has a relaxed, friendly atmosphere.

From Scotland, Dundee, she has 30 years on customer services including 3 with us. Colleen enjoys life, is a sociable person who loves Italian food and Champagne!

Jennifer Villada Martinez

Customer Care Coordinator​

Jennifer loves travelling and played table tennis with Spanish National Team, winning many championships.

We welcome Jen from Spain who worked for a US company in a senior administrative and logistical role – Imports/Exports. Enjoyed the experience of being involved with the organization for the Fifa World Cup in South Africa – 2010.

Esperanza Saez

Customer Care Coordinator​

Esperanza left Spain 20 years ago, has International business experience in IT/Computers/Customer Care/Logistics and orders.

Is in the process of refurbishing an old Victorian property and loving the style, with her multi lingual family and 2 daughters.

Bruna Galvao

Logistical Analyst & Coordinator​

Imports/Exports experience since 2006 in Brazil, moved to London 2017 and into the North West a year ago, enjoying discovering Manchester and the North. Yoga and Reading are her thing and enjoying a healthy lifestyle.

She has experience in manufacturing, automotive turbo’s and excellent interpersonal skills.

Sonia Armstrong

Financial Controller​

Looking forward to welcoming her 1st grandchild soon.

Loves yoga, theatre, dining and holidays. Looks after all things financial and previously worked for the BBC with the BBC Philharmonic Orchestra.

Nichola Ginty

Financial Assistant​

Nichola is meticulous in her work and has an eye for detail.

Started with Castle in 2016 with previous experience in purchasing and has recently been promoted to Financial Assistant and is looking forward to this new role.

Kate Fox

Design & Marketing​

Kate has been involved for many years with the design and more recently the marketing. Has strong attention to detail and is part of the Castle family.

Loves all things creative and art galleries. In a former life, she worked as a senior operations manager in 4 star hotels. Has training and recruitment experience and loves sailing.