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Connect with our industry / location specific experts. Contact the team that best aligns with your needs

Pure gold can be mixed/alloyed with many other metals. The purer the gold content, the more expensive the cost. In the UK, gold fineness is officially tested at one of the assay offices and given a valid mark of fineness. 18 carat gold is hallmarked 750, which means there are 750 parts of pure gold per 1000. This mark will appear alongside the maker’s mark and the hallmarking office’s official stamp. A number mark alone does not guarantee fPure gold can be mixed/alloyed with many other metals. The purer the gold content, the more expensive the cost. In the UK, gold fineness is officially tested at one of the assay offices and given a valid mark of fineness. 18 carat gold is hallmarked 750, which means there are 750 parts of pure gold per 1000. This mark will appear alongside the maker’s mark and the hallmarking office’s official stamp. A number mark alone does not guarantee fineness.ineness.

Jewellery Scrap

General Scrap Enquiries 
+44 20 7400 3485
Scrap Price Line 
+44 207 404 0903
scrap@mastermeltgroup.com

close-up-hands-jeweller-goldsmiths-making-golden-ring-with-gemstone-using-professional-tools

Jewellery Workshop

General Workshop Enquiries
+44 207 400 3400
info@mastermeltgroup.com

Meet the jewellery team

Mastermelt Industrial Team

Adam Sullivan
Sales Manager
AdamSullivan@mastermeltgroup.com
+44 7648 752 497
Pharmaceutical / Fine Chemical / Agrochemical

Meet Adam, our dedicated Sales Manager who joined Mastermelt in 2019. Adam specialises in managing Pharmaceutical, Chemical and F&F industrial waste streams across Europe. Prior to joining our team, he honed his expertise during his tenure at Johnson Matthey, where he developed extensive knowledge in precious metal catalysis spanning various industries.

Toby Wildman
Senior Sales Manager
TobyWildman@mastermeltgroup.com
+44 7825 195 137
Hydrogen Technologies          

Toby’s career started in the laboratories of Inco/Vale assaying precious metals.  He joined Mastermelt in 2019 as Sales Manager for the industrial sector where his chemistry background set him in good stead for the complex precious metal material he encountered.  Dubbed the Fuel Cell guru his expertise in the green hydrogen sector is well known and developing the customer relationships in this emerging technology area is where Toby thrives.

Eleonora Rubini
Sales Manager
EleonoraRubini@mastermeltgroup.com
+49 172 4555 220
🇫🇷France 🇮🇹 Italy 🇨🇭Switzerland 

Eleonora, our dynamic Sales Manager based in Germany. Eleonora started working in the precious metal industry in 2019 at Heraeus, where she focused on the recovery of metals from the petrochemical catalysts. With a passion for the intricacies of precious metals and their applications, Eleonora is dedicated to driving sustainable solutions in the industry. She thrives on face-to-face interactions and looks forward to meeting you to discuss the forefront of industry trends and innovations.

Michael Zendel
General Manager- MM GmbH
MichaelZendel@mastermeltgroup.com
+49 170 8215 590
🇩🇪 Germany

Michael Zendel, the General Manager of our German facility, brings a wealth of expertise to his role. With a background spanning both commercial and production management, Michael has earned merits in the Automotive Industry before dedicating the last 16 years to the precious metals sector. He is deeply passionate about serving our customers in the chemical, green H2 and other industrial sectors, utilizing his knowledge to drive success across various industries.
Michael’s unwavering commitment to excellence, paired with his extensive industry knowledge, positions him as an invaluable asset to our team. Let’s connect and explore how Michael can contribute to your success!

Lluis Delgado
Industrial Sales Manager
ldelgado@mastermeltgroup.com
+34 669 483 796 
🇪🇸 Spain

Lluis Delgado, a Technical Engineer in Industrial Chemistry, brings over 30 years of experience in the environmental sector, with expertise in municipal and industrial waste management. After holding key roles in leading environmental companies, he founded his own business in 2008, offering nationwide waste management solutions and expanding into Latin America through collaborations with the Inter-American Development Bank (IDB).

Since 2014, Lluis has partnered with Mastermelt, introducing their precious metal recovery services to the Spanish market. His deep understanding of waste management and his extensive network in industries such as pharmaceuticals, chemicals, green hydrogen, and healthcare enable him to offer Mastermelt’s clients tailored, value-driven solutions. Lluis’s focus on efficient, trustworthy service fosters strong, long-term relationships, positioning Mastermelt as a trusted partner in Spain.

Steve Gaylor Mastermelt

Steve Gaylor
Sales Director
Stevegaylor@mastermeltgroup.com
+44 7788 728 688
Partnerships

Steve began his career in precious metal refining at Johnson Matthey before joining Mastermelt in the mid 1990’s as a sales representative.  With over 40 years of experience working with customers across the entire spectrum of precious metal containing materials Steve is our go to expert.  As Sales Director Steve steers the sales team and has great passion for business development and ultimately is driven by optimising metal returns for his customers.

Gabriele Aksomaityte
Business Development Director
Gabrieleaksomaityte@mastermeltgroup.com
+44 7385 115 291
New Business Development

Gabi has over 13 years of experience in the precious metals industry. Her journey began with an MSc in Environmental Science, followed by a deep dive into Chemistry with a PhD. This academic foundation laid the groundwork for her career at Johnson Matthey, where she held various roles in R&D and sales. Gabi has extensive experience in the precious metal market and carried out business in numerous market sectors providing precious metal management solutions. Gabi’s comprehensive understanding allows her to effectively guide customers in optimising their metal recycling and supply chain operations, ensuring maximum efficiency, and value.

Headquarters

MASTERMELT LTD
56 Hatton Garden,
London, EC1N 8HP

Tel: +44 (0)20 7400 3400
Email: info@mastermeltgroup.com

MASTERMELT REFINING
SERVICES LTD
Ashbourne Road Buxton,
Derbyshire, SK17 9RZ

Tel: +44 (0)1298 766 900

MASTERMELT TECHNICAL CENTRE
Campus, 6 Caxton Way,
Stevenage SG1 2XD, UK

Tel: +44 (0) 1438 587777

PRESMAN BULLION
56 Hatton Garden,
London, EC1N 8HP

Tel: +44 (0)20 7400 3485
Price Line: +44 (0)20 7404 0903
Email: scrap@mastermeltgroup.com

MASTERMELT AMERICA LLC
319 Industrial Park Road, Sweetwater, Tennesse,
TN3784, USA

Tel: +1 423 337 3993
Email: info@mmametals.com

MASTERMELT AERO
250 Apache Trail, Terrell,
TX 75160, United States

Tel: +1 972 551 5980
Email: rfq@mmaaero

MASTERMELT GMBH
Bollenwaldstrasse 117
63743 Aschaffenburg, Deutschland

Tel: +49 6028 977 770
Email: gmbh@mastermeltgroup.com

ECO-MASTERMELT PTE LTD 
21 Tuas View Circuit,
Singapore, 637358

Tel: +(65) 6863 0201
Email: ecomm@mastermeltgroup.com

MASTERMELT HOMCAT RECYCLING CENTRE OF EXCELLENCE
Wilton Centre,
Wilton
Redcar
North Yorkshire
TS10 4RF