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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.

Les Leavitt

Financial Director

Les has joined the team as Financial Director bringing with him over 25 years of experience in guiding businesses like ours through current success, and helping to deliver our potential for all of our stakeholders.

Les is a keen skier and off-road motorcyclist, a dedicated father, and strongly believes in supporting charitable causes.

Michael Start

Sales & Marketing Director

Mike has Over 25 years’ experience in Speciality Chemical, ranging from Base Chemicals, Plastics, Inks, Polymers, Surface Coatings and Adhesives. He demonstrates extensive international experience of sales and marketing management and has strong leadership experience with leading remote teams in Europe, USA, Asia and China.

Latterly he has also developed his general management and people skills running a large chemicals sales and distribution centre. In his spare time, he enjoys cycling, rugby and is also a keen musician.

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.

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!

Amanda Girdlestone

Logistical Analyst & Coordinator​

Amanda is a very passionate family person with 2 gorgeous girls, who has recently joined the team. She is a self professed specialist at organisation, processes and procedures, this is what makes her tick.

Walks, bike riding and socialising with the family are her pleasures.

Danielle Alder

Customer Care & Logistics Coordinator

Danielle has had extensive experience in logistics and customer service + accounts in imports/exports.

Enjoying close family, walking, cooking + red wine. Her passion is interior design and has a creative flare, when it comes to old properties and renovations, with a homely feel. During lockdown, she has discovered gardening and 6 foot tall wild flowers.

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.

Samantha Savage

Customer Care Coordinator​

Samantha is a dedicated person at work who feels customer care is important to your international business, and enjoys finding imports and exports challenges.

Horse riding, show jumping, rowing and walking are her thing, topped with exploring unusual countries to learn and appreciate different languages and cultures.