Manufacture of custom folding cartons made from solid board with custom printing at the Isernhagen site near Hanover.

Ernst Boldt GmbH Faltschachtelwerk

Isernhagen near HanoverNew on Amplifa

1909Founded

35Employees

approx. 100 millionFolding cartons per year

5th generationFamily-owned

About Ernst Boldt

Ernst Boldt GmbH is a family business founded in Hanover in 1909, specializing in the development and manufacture of individual folding cartons made from solid board and cardboard. The portfolio includes made-to-measure packaging solutions including design, consulting, custom printing and special effects. The print shop uses processless printing plates, mineral oil-free inks and a reduced-alcohol printing process. At the Isernhagen site near Hanover, around 35 employees produce approximately 100 million folding cartons annually, originally among others for customers such as Bahlsen and Pelikan. Now in its fifth generation, the company focuses on sustainable production with its own photovoltaic system, battery storage, solar thermal energy and heat recovery.

Site: Isernhagen
Processes: Folding carton production (packaging made from solid board), Printing processes (processless printing plates, mineral oil-free inks, reduced-alcohol, Individual made-to-measure packaging solutions, Printing (custom printing, special effects), Development/design of folding cartons, Consulting
Materials: Solid board, Cardboard
Certificates: Certifications
Founded: 1909
Industries: Packaging industry, Printing, Food, Stationery

01
Consulting and development
02
Folding carton design
03
Printing
04
Converting/die-cutting
05
Folding and shipping

Materials

Solid board

Main material for high-quality folding cartons with a stable wall.

Cardboard

Material for printed cardboard packaging made to measure.

Site

Isernhagen

Production and headquarters

Materials: Solid board, cardboard

100-kWp photovoltaic system with battery storage
Solar thermal energy
Heat recovery

Products

**Folding carton made of solid board**Printing and die-cutting · Packaging industry

**Printed folding carton**Printing process · Consumer goods

Inside the production

Industries

Packaging industryPrintingFoodStationery

Processes & technical limits

Processes	Tolerance	Max. part	Weight	Lot size	Materials
Folding carton production (packaging made from solid board)Plastics	–	–	–	–	Solid board, Cardboard
Printing processes (processless printing plates, mineral oil-free inks, reduced-alcoholSurface	–	–	–	–	Paperboard/cardboard

Additional services

Individual made-to-measure packaging solutionsPrinting (custom printing, special effects)Development/design of folding cartonsConsulting

Reference customers

Bahlsen biscuit factoryPelikan stationery

Quality

Production follows established processes with processless printing plates, mineral oil-free inks and reduced-alcohol printing. Certifications are not publicly documented.

Evidence	Isernhagen
Certifications

History

1909
Founded in Hanover, supported by Bahlsen biscuit factory and Pelikan stationery; 200 employees produced hand-made boxes for fountain pens and chocolates.
1940er
Complete destruction of the factory in the Second World War; reconstruction by the Boldt/Butzmann family and specialization in folding carton production.
Heute
Production in Isernhagen with around 100 million folding cartons annually; the fifth generation works in the company.