/Companies

graphenest.com

Techstars '18

Sever do Vouga, PT · Founded 2015 · 11 employees on LinkedIn · 1 known investors

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knows the team · via Universidade de Aveiro

Graphenest develops graphene-based electromagnetic shielding solutions for electric vehicle suppliers and next-generation electronics manufacturers. The company produces graphene coatings and enhanced composite materials that reduce weight, manufacturing time, and environmental impact while meeting EU sustainability and zero-emissions regulations.

Also known as Graphenest SA · Graphenest, S.A.

Founders & leadership

graphenest.com was founded in 2015 by Vítor Abrantes, Bruno Figueiredo, and Rui Silva.

VAVítor Abrantes
Vítor AbrantesCEO & FounderVítor Abrantes holds degrees in Materials Engineering and Mechanical Engineering from Universidade de Aveiro and is a Level I CFA exam candidate. He is CEO and founder of Graphenest, which develops graphene-based electromagnetic shielding solutions for electric vehicles and advanced electronics.
BFBruno Figueiredo
Bruno FigueiredoCo-CEO & FounderBruno Figueiredo holds a PhD in Chemical Engineering from the University of Aveiro and has worked on graphene research and applications since 2014. He is co-founder and co-CEO of Graphenest, which develops graphene-based electromagnetic shielding solutions for electric vehicles and electronics manufacturers.
RSRui Silva
Rui SilvaCTO & Founder

Investors · 1

Techstarslisted by TechstarsBoulder · $220K

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Company profile

researched Sep 2026

Graphenest, S.A. is a Portuguese nano-cleantech company that develops graphene-based materials and shielding technology for electromagnetic interference, electromagnetic compatibility and RF applications. The company describes a proprietary, scalable and low-energy graphene production process that underpins its product lines of sustainable, high-performance shielding materials.

The company's stated technical advantages include requiring up to 50% less material than alternatives for equivalent shielding performance, weight reduction of up to 75% versus metal-based alternatives, design flexibility for complex components, compatibility with additive manufacturing and 3D printing including repairability, and added thermal cooling and electrical conductivity properties.

Graphenest operates as a public limited liability company (S.A.) with registered office at Lugar da Estação, Edifício VougaPark, Paradela do Vouga, Sever do Vouga, Portugal. It holds share capital of €119,553.60 and tax identification number 513542850, registered at the Commercial Registry of Lisbon.

Business model

Graphenest develops and supplies graphene-based materials and shielding solutions, positioning its proprietary graphene production process as the basis for products sold to manufacturers requiring electromagnetic interference shielding. Commercial contact is organized around a dedicated sales channel on the company website.

▸Full profile — market position, technology, go-to-market, geography

Market position

Graphenest is characterized as a Portuguese nano-cleantech company in the advanced materials and EMI shielding space, working across nanotechnology, conductive coatings and electromagnetic compatibility applications.

Graphenest frames its differentiation around efficiency (up to 50% less material for the same shielding performance), lightweight construction (up to 75% weight reduction versus metal-based alternatives), design flexibility on complex components, compatibility with additive manufacturing and 3D printing with easy repairability, and add-on thermal and electrical conductivity properties.

Technology

The company's technology centers on a proprietary, scalable and low-energy graphene production process, which supplies graphene-based shielding materials and conductive coatings. The resulting materials are positioned for use in complex geometries, additive manufacturing and 3D printing, and provide thermal cooling and electrical conductivity in addition to shielding.

Go-to-market

Manufacturers of components and products requiring electromagnetic interference, electromagnetic compatibility and RF shielding, including applications involving complex or 3D-printed components.

Geography

Headquartered in Portugal, with registered office at Lugar da Estação, Edifício VougaPark, 3740-070 Paradela do Vouga, Sever do Vouga, and registration at the Commercial Registry of Lisbon.

Compiled by commissioned research from 4 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
HeadcountAug 202611
Share capitalJan 2024$119.6K

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

▸Research sources · 4

primary sources listed

4 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does graphenest.com do?
Portuguese nano-cleantech company making graphene-based materials for electromagnetic interference (EMI/EMC/RF) shielding.
Who founded graphenest.com?
graphenest.com was founded by Vítor Abrantes, Bruno Figueiredo, Rui Silva in 2015.
Who are graphenest.com's investors?
graphenest.com's investors include Techstars.
Where is graphenest.com headquartered?
graphenest.com is headquartered in Sever do Vouga, PT.