A leader in advanced composite solutions – from concept to finished product
Full-service partner
Marstrom Composite is a full-service partner in advanced composite manufacturing, meeting the highest standards of precision, performance, and delivery reliability. With five production sites in Sweden, in-house tooling, and specialized manufacturing in prepreg carbon fiber, we supply components to some of the most demanding industries – from defence to marine systems, industrial applications, and aerospace.
High precision and maximum flexibility
This gives us full control, high precision and maximum flexibility – whether it is a customized prototype or large-scale series production.
Our cross-functional team brings together cutting-edge expertise from multiple industries and ensures that every project meets the highest standards of performance, quality and delivery reliability.
Defence applications
Composites for ground, marine and airborne systems where performance, function and durability meet tactical requirements.
Civilian applications
Lightweight, durable solutions for marine, industry and aerospace – from spars and loading systems to sound cabinets and robotic arms.
You are in good company
Our specialist operations
– part of the whole
At Marstrom Composite, several specialist operations are brought together to enable our complete offering
– from mould to finished product. Our operations also include:
JPC Composite
Delivers technologically advanced composites for a broad portfolio of customers in marine, industrial, aerospace and defence – with a focus on quality, flexibility and scalability.
Composite Design
Specializing in the development and production of composite components for both civil and defense-related applications – in marine, industry, aerospace and defence.
ID Modeller
Manufactures advanced moulds and tools using 3- and 5-axis machines for all types of applications – with round-the-clock production and the highest precision.

Carbonia Composites
Delivers technologically advanced composites using Resin Transfer Molding (RTM) for a rational and cost-effective serial production of high-performance composite components.






















