Precious metal refinery and processor: semi-finished products, electroplating, recycling, 3D printing and investment products in gold, silver and platinum

Heimerle + Meule GmbH
Pforzheim (Dennigstraße 16, 75179) · Vienna (Perfektastraße 45, 1230)New on Amplifa
About Heimerle + Meule
Heimerle + Meule is a gold and silver refinery founded in 1845 in Pforzheim and today one of the leading providers of precious metal processing. The product and service portfolio covers precious metal recycling and refining, precious metal trading, semi-finished products (strips, wires, tubes) for the jewellery and watch industry as well as engineering, ring blanks, dental products, investment products such as bars and coins, and electroplating chemicals and equipment. In-house production and contract services include decorative and technical electroplating (rack and strip plating), PVD coating, titanium colouring by anodic oxidation, and 3D printing in precious metals using DMLS on the PRECIOUS M 080 machine. Materials include gold, silver, sterling silver, platinum, dental gold, contact alloys and precious metal powders. Customers come from the jewellery and watch industry, dental/medical technology, electrical engineering/electronics, automotive supply, chemicals, the glass industry and coin minting. The quality management system is certified to DIN EN ISO 9001; the company belongs to the Possehl Group and, since 2024, to the HM Precious Metals Group with more than 1500 employees in nine countries.
- Site
- Pforzheim
- Processes
- Direct 3D printing in precious metals (DMLS / Direct Metal Laser Sintering), Decorative electroplating (decorative contract plating), Technical electroplating (technical contract plating, rack plating, continuous plating), PVD coating, Enrichment / refining of precious metals (recycling, recovery through heat or chemistry), Production of precious metal semi-finished products (strips, wires, tubes by continuous casting), Hand casting processes for dental gold and jewellery alloys, Analytics / materials testing (analytical-chemical laboratory, materials development and testing)
- Materials
- Gold, Silver, Platinum, Sterling silver, Dental gold, Jewellery alloys (containing gold, silver and platinum), Contact alloys (continuous casting using the Outokumpu process), Silver solders
- Certificates
- DIN EN ISO 9001, Responsible Gold Guidance (RGG), LBMA Good Delivery List (Gold), Code of Practice, RJC Code of Practice
- Founded
- 1845
- Employees
- approx. 320 (Heimerl
- Industries
- Jewellery and watch industry, Dental/Medical technology, Electrical engineering/Electronics, Automotive supply, Chemical industry, Glass industry
- 01
Precious metal trading
- 02
Refining/recycling of precious-metal-containing materials
- 03
Casting of semi-finished products and bars
- 04
Manufacture of ring blanks and discs
- 05
Contract electroplating, decorative and technical (rack/strip plating)
- 06
PVD coating
- 07
3D printing in precious metals (DMLS)
- 08
Analytics and materials testing
Materials and Processes
Gold
Fine gold and gold alloys for semi-finished products, bars, coins and DMLS printing.
Silver
Fine silver and sterling silver for semi-finished products, investment products and recycling.
Platinum
Platinum and platinum powder for semi-finished products and 3D printing.
Dental gold and dental alloys
Precious metal and non-precious metal alloys, dental solders for dental technology.
Contact alloys
Continuous casting using the Outokumpu process for technical semi-finished products.
Titanium
Anodic oxidation for colour finishing of titanium surfaces.
Precious metal powders (DMLS)
Fine gold, silver and platinum powders for the laser-additive 3D printing process.
Locations
Pforzheim
DEHeadquarters and gold and silver refinery
- Materials
- Gold, silver, platinum, dental alloys, precious metal powders
- DMLS machine PRECIOUS M 080 (EOS/Cooksongold)
- Electroplating systems PGG 30/30/S4/50/S4
- Compact electroplating units PGG 10 flex, Junior 500 multiplate
- Titanium colouring system TFA 120/10-30
- Hydraulic chip press 2.0
- Welding lasers EVO X, EVO white
- Drying centrifuge HT II
- Water circulation system KWA 5
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Direct 3D printing in precious metals (DMLS / Direct Metal Laser Sintering)Additive | – | – | – | – | Precious metal powders (gold, silver, platinum), Platinum |
| Decorative electroplating (decorative contract plating)Surface | – | – | – | – | – |
| Technical electroplating (technical contract plating, rack plating, continuous plating)Surface | – | – | – | – | – |
| PVD coatingSurface | – | – | – | – | – |
| Enrichment / refining of precious metals (recycling, recovery through heat or chemistry)Engineering | – | – | – | – | Precious metals (gold, silver, platinum) |
| Production of precious metal semi-finished products (strips, wires, tubes by continuous casting)Casting | – | – | – | – | Sterling silver, Contact alloys |
| Hand casting processes for dental gold and jewellery alloysCasting | – | – | – | – | Dental gold, Jewellery alloys |
| Analytics / materials testing (analytical-chemical laboratory, materials development and testing)Testing | – | – | – | – | Precious metals |
| Manufacture of investment products (cast bars, minted bars, coins, blanks)Forming | – | – | – | – | Fine gold, Fine silver, Platinum |
| Manufacture of dental products (alloys, dental solders, ceramic systems)Engineering | – | – | – | – | Precious metal alloys, Non-precious metal alloys, Dental solders |
| Titanium colouring systems (anodising/colouring of titanium)Surface | – | – | – | – | Titanium |
| Colour finishing of precious metal surfaces with COLORIT®Surface | – | – | – | – | – |
13 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| DMLS machine (Direct Metal Laser Sintering) | EOS / Cooksongold PRECIOUS M 080 | 1 | – | – | Pforzheim |
| Hydraulic chip press | Heimerle + Meule 2.0 | – | – | – | – |
| Welding laser | Heimerle + Meule EVO X | – | – | – | – |
| Welding laser | Heimerle + Meule EVO white | – | – | – | – |
| Compact electroplating unit | Heimerle + Meule PGG 10 flex | – | 1.5 l and 3 l | – | – |
| Electroplating system | Heimerle + Meule PGG 30 and PGG 30/S4 | – | – | – | – |
| Electroplating system | Heimerle + Meule PGG 50/S4 | – | – | – | – |
| Pen electroplating unit | Heimerle + Meule Junior 120 | – | – | – | – |
| Compact electroplating unit | Heimerle + Meule Junior 500 multiplate | – | – | – | – |
| Water circulation system | Heimerle + Meule KWA 5 | – | – | – | – |
| Titanium colouring system | Heimerle + Meule TFA 120/10-30 | – | – | – | – |
| Filter and extraction systems | Heimerle + Meule | – | – | – | – |
| Drying centrifuge | Heimerle + Meule HT II | – | – | – | – |
Additional services
Quality and Certification
All products are tested in the company's own analytical-chemical laboratory and in materials testing using the most modern methods. The quality management system is certified to DIN EN ISO 9001; certification under Responsible Gold Guidance (RGG), inclusion on the LBMA Good Delivery List (Gold) and the RJC Code of Practice certification confirm conflict-free provenance and verified quality.
| Evidence | Pforzheim |
|---|---|
| DIN EN ISO 9001 | |
| Responsible Gold Guidance (RGG) | |
| LBMA Good Delivery List (Gold) | |
| RJC Code of Practice |
Company History
- 1845
Founded as a refinery by Julius Dittler in Pforzheim
- 1877
Taken over by Carl Sebastian Heimerle and Friedrich Meule; branch office in Schwäbisch Gmünd
- 1923
Established as a public limited company Heimerle + Meule
- 1935
Converted into a limited partnership
- 1944
Destruction of the production facilities in an air raid
- 1947
Resumption of operations in Pforzheim
- 1951
Part of the Possehl Group (capital participation from 1952)
- 1953
Move into the new plant on Durlacher Straße, Pforzheim
- 1960
Possehl becomes principal shareholder; conversion into a GmbH
- 1977
Move into the new production buildings on Dennigstraße
- 1994
Establishment of the ring blanks division for the wedding ring industry
- 1997
Peter Dorner becomes Managing Director
- 2001
Possehl becomes sole shareholder; acquisition of Heraeus Edelmetall Halbzeug GmbH
- 2008
Establishment of the Austrian branch in Vienna
- 2011
Establishment of the new investment products division
- 2013
Formation of the Heimerle + Meule Group through the acquisition of the Cookson Precious Metals Division
- 2018
Acquisition of Weston Beamor Holdings Ltd.
- 2022
The Commonwealth Mint becomes part of the Group
- 2024
Reischauer GmbH (Idar-Oberstein) becomes part of the Group; the Group is named HM Precious Metals