The future is not predicted. It is created.

SignumStileembodiestheessenceofItalianexcellence,wheredesign,cultureandinnovationconvergetocreatetimelessicons.Wecraftbespokeproducts,experiencesandvisionsthatelevatelifestyle,luxuryandmobility.RootedinItalianheritageyetdrivenbyglobalambition,wepushboundarieswithelegance,creativityandprecision.Collaborationisourart:people,passionandideasfueleverycreation.Wedonotjustdesignobjectsweshapeemotions,storiesandlegaciesthattranscendgenerations.
SignumStileembodiestheessenceofItalianexcellence,wheredesign,cultureandinnovationconvergetocreatetimelessicons.Wecraftbespokeproducts,experiencesandvisionsthatelevatelifestyle,luxuryandmobility.RootedinItalianheritageyetdrivenbyglobalambition,wepushboundarieswithelegance,creativityandprecision.Collaborationisourart:people,passionandideasfueleverycreation.Wedonotjustdesignobjectsweshapeemotions,storiesandlegaciesthattranscendgenerations.

Our services

At SIGNUM STILE, our services span four domains—but our philosophy remains the same: to shape meaning through form, and create objects that speak before words do. Each discipline is a lens through which we explore movement, identity, and timeless design.

01

Transportation design

Functionality and design come together for the mobility of tomorrow. We combine emotions, values and technology to create products that follow the changes in society and the people who create it.

Analysis

Research

Analysis

Design concept

Styling

Sketches
Photo-realistic renderings

CMF

Trend research and analysis
Color and material concepts
Material development
Support to finished product

3D design

A-Class Surface Modelling
Concept Modelling
VR

visualisation

CGI

02

Yacht design

In collaboration with our partner GLOSS Design, we bring our philosophy of identity and emotion to the water. Each yacht becomes more than a vessel—it is a statement of lifestyle, elegance, and innovation, crafted to merge performance with timeless beauty.

Analysis

Research

Analysis

Design concept

Styling

Sketches
Photo-realistic renderings

CMF

Trend research and analysis
Color and material concepts
Material development
Support to finished product

3D design

A-Class Surface Modelling
Concept Modelling
VR

visualisation

CGI

Yacht design

03

Architecture & Interior

In collaboration with our partner Stifani Machmouchi, we extend our philosophy of identity and emotion into architecture and interior spaces. Each project is conceived as an experience of harmony, character, and refined detail—where form, material, and light come together to create timeless environments that reflect a true sense of place.

Analysis

Research

Analysis

Design concept

Styling

Sketches
Photo-realistic renderings

CMF

Trend research and analysis
Color and material concepts
Material development
Support to finished product

3D design

3D models (polygon or CAS)

CAD surface development
Class A surfaces up to the final tool production

visualisation

Photo-realistic renderings

Architecture & Interior

04

Product design

Developing the design of a product means thinking not only about aesthetics but also about its functionality. Design is also how it works.

Analysis

Research

Analysis

Design concept

Styling

Sketches
Photo-realistic renderings

CMF

Trend research and analysis
Color and material concepts
Material development
Support to finished product

3D design

3D models (polygon or CAS)

CAD surface development
Class A surfaces up to the final tool production

visualisation

Photo-realistic renderings

Product design

05

Motorsport design

Where design meets the track. Character lines and compelling design solutions create a unique style reflecting your passion on and off the track.

Livery design

Design and execution
Wrapping

Visualisation

Photo-realistic renderings
CGI

COMMUNICATION

Branding
Advertisment
Social media
Shooting
ART & Prints

Merchandising

Fashion
Product Design Memorabilia
Awards

Motorsport design

01

Transportation design

Functionality and design come together for the mobility of tomorrow. We combine emotions, values and technology to create products that follow the changes in society and the people who create it.

Analysis

Research

Analysis

Design concept

Styling

Sketches
Photo-realistic renderings

CMF

Trend research and analysis
Color and material concepts
Material development
Support to finished product

3D design

A-Class Surface Modelling
Concept Modelling
VR

visualisation

CGI

02

Yacht design

03

Architecture & Interior

04

Product design

05

Motorsport design

Our alliances

Signum Stile, Gloss Design, and Stifani Machmouchi join forces to create an exclusive network in the world of design and luxury. An alliance that integrates automotive, yachting, architecture, and interior design into one creative powerhouse, offering complete and extraordinary solutions.


Just like the world’s greatest brands unite to redefine markets, this team represents cross-sector excellence—driving iconic projects where innovation meets elegance.

Rooted in the world of automotive and motorsport, Signum Stile brings precision, innovation, and elegance into every project. From speed to functionality, its strength lies in transforming lines and proportions into pure emotion and performance.

Signum Stile

Transportation, motorsport & product design

Rooted in the world of automotive and motorsport, Signum Stile brings precision, innovation, and elegance into every project. From speed to functionality, its strength lies in transforming lines and proportions into pure emotion and performance.

Signum Stile

Transportation, motorsport & product design

A specialist in yacht design, Gloss Design embodies the fusion of engineering and timeless beauty. Each project is a journey into luxury at sea, where comfort and cutting-edge solutions meet to create unique masterpieces afloat.

Gloss Design

Yacht design

A specialist in yacht design, Gloss Design embodies the fusion of engineering and timeless beauty. Each project is a journey into luxury at sea, where comfort and cutting-edge solutions meet to create unique masterpieces afloat.

Gloss Design

Yacht design

An atelier of architecture and interior design that shapes spaces into aesthetic and functional experiences. From form to material, every project becomes an icon of style, expressing refinement and contemporary luxury.

Stifani Machmouchi

Architecture & interior design

An atelier of architecture and interior design that shapes spaces into aesthetic and functional experiences. From form to material, every project becomes an icon of style, expressing refinement and contemporary luxury.

Stifani Machmouchi

Architecture & interior design

Our Team

At SIGNUM Stile, our team brings together curious minds and skilled hands from across design and engineering. We share a genuine passion for creating thoughtful, lasting work — from first ideas to finished products — combining creativity and precision at every stage. Meet the people who make it all happen.

Portrait of Michele Leonello, Chief design officer & partner

With more than 20 years of experience in Automotive Design spent in the design centers of the most renowned Italian brands. Former professor of Master’s in Automotive Design at SPD Milan, he had the responsibility to educate and transfer all his know-how and experience to the next generation of car designers. Today he is one of the leading experts in automotive and mobility design. Offering his consulting services to many manufacturers and exclusive clients.

Michele Leonello

Chief Design Officer & Founder

Portrait of Michele Leonello, Chief design officer & partner

With more than 20 years of experience in Automotive Design spent in the design centers of the most renowned Italian brands. Former professor of Master’s in Automotive Design at SPD Milan, he had the responsibility to educate and transfer all his know-how and experience to the next generation of car designers. Today he is one of the leading experts in automotive and mobility design. Offering his consulting services to many manufacturers and exclusive clients.

Michele Leonello

Chief Design Officer & Founder

Portrait of Pau H Brañas, Senior design manager & partner

Graduated in Product Design at Llotja University in Barcelona with a master’s in Automotive Modelling at Elisava, Pau earned his master’s degree in Automotive Design at SPD Milan. Since then, he has worked with many manufacturers and major design studios across the globe. Pau is a designer per excellence, in love with his work and has always had a dream since childhood: to design cars.

Pau H Brañas

Senior Design Manager & Founder

Portrait of Pau H Brañas, Senior design manager & partner

Graduated in Product Design at Llotja University in Barcelona with a master’s in Automotive Modelling at Elisava, Pau earned his master’s degree in Automotive Design at SPD Milan. Since then, he has worked with many manufacturers and major design studios across the globe. Pau is a designer per excellence, in love with his work and has always had a dream since childhood: to design cars.

Pau H Brañas

Senior Design Manager & Founder

Portrait of Marco Renna, Lead aerodynamic engineer & partner

Marco, a Motorsport Engineer graduate from De Montfort University, UK, brings extensive experience in racing car engineering, spanning from prototypes to single-seaters. As a keen aerodynamicist and design engineer, he leads car development, optimising performance and aerodynamics of each component.

Marco Renna

Lead Aerodynamic Engineer & Founder

Portrait of Marco Renna, Lead aerodynamic engineer & partner

Marco, a Motorsport Engineer graduate from De Montfort University, UK, brings extensive experience in racing car engineering, spanning from prototypes to single-seaters. As a keen aerodynamicist and design engineer, he leads car development, optimising performance and aerodynamics of each component.

Marco Renna

Lead Aerodynamic Engineer & Founder

Portrait of Masha Suprunova, automotive designer

With over a decade of experience, Stifany leads innovation and creativity at her design-build studio STIFANI MACHMOUCHI, specializing in transformative architectural design and visionary urban planning. Located in Abidjan, Ivory Coast, her company is known for providing a wide range of services, including architecture, interior design, and construction project management.

Stifani Machmouchi

Architect, interior designer & partner

Portrait of Masha Suprunova, automotive designer

With over a decade of experience, Stifany leads innovation and creativity at her design-build studio STIFANI MACHMOUCHI, specializing in transformative architectural design and visionary urban planning. Located in Abidjan, Ivory Coast, her company is known for providing a wide range of services, including architecture, interior design, and construction project management.

Stifani Machmouchi

Architect, interior designer & partner

Portrait of Masha Suprunova, automotive designer

Stefano Carugno, founder of Gloss Design, is an Italian architect and designer renowned for his work in yacht and marine design, including luxury yachts, high-performance sports boats, and workboats such as patrol boats and ferries. Drawing on experience at Pininfarina and IDeA Institute, he brings deep expertise in automotive, product, and industrial design. Through Gloss Design, Carugno leads a network of partners delivering complete turnkey design solutions—from concept and styling to production—for clients worldwide.

Stefano Carugno

Architect, yacht designer & partner

Portrait of Masha Suprunova, automotive designer

Stefano Carugno, founder of Gloss Design, is an Italian architect and designer renowned for his work in yacht and marine design, including luxury yachts, high-performance sports boats, and workboats such as patrol boats and ferries. Drawing on experience at Pininfarina and IDeA Institute, he brings deep expertise in automotive, product, and industrial design. Through Gloss Design, Carugno leads a network of partners delivering complete turnkey design solutions—from concept and styling to production—for clients worldwide.

Stefano Carugno

Architect, yacht designer & partner

Portrait of Masha Suprunova, automotive designer

Luigi combines over 20 years of corporate and fiscal expertise with hands-on experience in motorsport and automotive operations. His established network with leading brands and institutions strengthens SIGNUM’s reach and strategic collaborations.

Luigi Carro

CFO & HR

Portrait of Masha Suprunova, automotive designer

Luigi combines over 20 years of corporate and fiscal expertise with hands-on experience in motorsport and automotive operations. His established network with leading brands and institutions strengthens SIGNUM’s reach and strategic collaborations.

Luigi Carro

CFO & HR

Portrait of Masha Suprunova, automotive designer

Martina brings over four years of automotive experience, now driving business development and growth at SIGNUM. With strong organizational and relational skills, she supports our mission to expand and strengthen client partnerships.

Martina Giardini

Client Relationship Manager

Portrait of Masha Suprunova, automotive designer

Martina brings over four years of automotive experience, now driving business development and growth at SIGNUM. With strong organizational and relational skills, she supports our mission to expand and strengthen client partnerships.

Martina Giardini

Client Relationship Manager

Portrait of Polina Sukhenko, automotive and motorsport designer

Polina Sukhenko

Automotive & Motorsport Designer

Portrait of Polina Sukhenko, automotive and motorsport designer

Polina Sukhenko

Automotive & Motorsport Designer

Portrait of Masha Suprunova, automotive designer

Masha Suprunova

Automotive Designer

Portrait of Masha Suprunova, automotive designer

Masha Suprunova

Automotive Designer

Selected
works

Celebrating the partnerships behind distinctive forms and timeless style.

The future is not predicted. It is created.

The future is not predicted. It is created.

SignumStileembodiestheessenceofItalianexcellence,wheredesign,cultureandinnovationconvergetocreatetimelessicons.Wecraftbespokeproducts,experiencesandvisionsthatelevatelifestyle,luxuryandmobility.RootedinItalianheritageyetdrivenbyglobalambition,wepushboundarieswithelegance,creativityandprecision.Collaborationisourart:people,passionandideasfueleverycreation.Wedonotjustdesignobjectsweshapeemotions,storiesandlegaciesthattranscendgenerations.

Our services

At SIGNUM STILE, our services span four domains—but our philosophy remains the same: to shape meaning through form, and create objects that speak before words do. Each discipline is a lens through which we explore movement, identity, and timeless design.

01

Transportation design

Functionality and design come together for the mobility of tomorrow. We combine emotions, values and technology to create products that follow the changes in society and the people who create it.

Analysis

Research

Analysis

Design concept

Styling

Sketches
Photo-realistic renderings

CMF

Trend research and analysis
Color and material concepts
Material development
Support to finished product

3D design

A-Class Surface Modelling
Concept Modelling
VR

visualisation

CGI

02

Yacht design

03

Architecture & Interior

04

Product design

05

Motorsport design

Our alliances

Signum Stile, Gloss Design, and Stifani Machmouchi join forces to create an exclusive network in the world of design and luxury. An alliance that integrates automotive, yachting, architecture, and interior design into one creative powerhouse, offering complete and extraordinary solutions.


Just like the world’s greatest brands unite to redefine markets, this team represents cross-sector excellence—driving iconic projects where innovation meets elegance.

Rooted in the world of automotive and motorsport, Signum Stile brings precision, innovation, and elegance into every project. From speed to functionality, its strength lies in transforming lines and proportions into pure emotion and performance.

Signum Stile

Transportation, motorsport & product design

A specialist in yacht design, Gloss Design embodies the fusion of engineering and timeless beauty. Each project is a journey into luxury at sea, where comfort and cutting-edge solutions meet to create unique masterpieces afloat.

Gloss Design

Yacht design

An atelier of architecture and interior design that shapes spaces into aesthetic and functional experiences. From form to material, every project becomes an icon of style, expressing refinement and contemporary luxury.

Stifani Machmouchi

Architecture & interior design

Our Team

At SIGNUM Stile, our team brings together curious minds and skilled hands from across design and engineering. We share a genuine passion for creating thoughtful, lasting work — from first ideas to finished products — combining creativity and precision at every stage. Meet the people who make it all happen.

Portrait of Michele Leonello, Chief design officer & partner

With more than 20 years of experience in Automotive Design spent in the design centers of the most renowned Italian brands. Former professor of Master’s in Automotive Design at SPD Milan, he had the responsibility to educate and transfer all his know-how and experience to the next generation of car designers. Today he is one of the leading experts in automotive and mobility design. Offering his consulting services to many manufacturers and exclusive clients.

Michele Leonello

Chief Design Officer & Founder

Portrait of Pau H Brañas, Senior design manager & partner

Graduated in Product Design at Llotja University in Barcelona with a master’s in Automotive Modelling at Elisava, Pau earned his master’s degree in Automotive Design at SPD Milan. Since then, he has worked with many manufacturers and major design studios across the globe. Pau is a designer per excellence, in love with his work and has always had a dream since childhood: to design cars.

Pau H Brañas

Senior Design Manager & Founder

Portrait of Marco Renna, Lead aerodynamic engineer & partner

Marco, a Motorsport Engineer graduate from De Montfort University, UK, brings extensive experience in racing car engineering, spanning from prototypes to single-seaters. As a keen aerodynamicist and design engineer, he leads car development, optimising performance and aerodynamics of each component.

Marco Renna

Lead Aerodynamic Engineer & Founder

Portrait of Masha Suprunova, automotive designer

With over a decade of experience, Stifany leads innovation and creativity at her design-build studio STIFANI MACHMOUCHI, specializing in transformative architectural design and visionary urban planning. Located in Abidjan, Ivory Coast, her company is known for providing a wide range of services, including architecture, interior design, and construction project management.

Stifani Machmouchi

Architect, interior designer & partner

Portrait of Masha Suprunova, automotive designer

Stefano Carugno, founder of Gloss Design, is an Italian architect and designer renowned for his work in yacht and marine design, including luxury yachts, high-performance sports boats, and workboats such as patrol boats and ferries. Drawing on experience at Pininfarina and IDeA Institute, he brings deep expertise in automotive, product, and industrial design. Through Gloss Design, Carugno leads a network of partners delivering complete turnkey design solutions—from concept and styling to production—for clients worldwide.

Stefano Carugno

Architect, yacht designer & partner

Portrait of Masha Suprunova, automotive designer

Luigi combines over 20 years of corporate and fiscal expertise with hands-on experience in motorsport and automotive operations. His established network with leading brands and institutions strengthens SIGNUM’s reach and strategic collaborations.

Luigi Carro

CFO & HR

Portrait of Masha Suprunova, automotive designer

Martina brings over four years of automotive experience, now driving business development and growth at SIGNUM. With strong organizational and relational skills, she supports our mission to expand and strengthen client partnerships.

Martina Giardini

Client Relationship Manager

Portrait of Polina Sukhenko, automotive and motorsport designer

Polina Sukhenko

Automotive & Motorsport Designer

Portrait of Masha Suprunova, automotive designer

Masha Suprunova

Automotive Designer

Selected
works

Celebrating the partnerships behind distinctive forms and timeless style.