Carlos Mello is the founder and head designer of MainGUILTY, a Portuguese design studio that sits at the intersection of product design and art. With a background deeply rooted in industrial craftsmanship, Mello focuses on transforming raw materials—particularly cork, wood, and metal—into functional collectibles. His creative process, often driven by his "UnderPressure" methodology, prioritizes experimental textures and organic forms. He frequently utilizes upcycling techniques to repurpose industrial byproducts, ensuring that his furniture and sculptural pieces maintain a distinct, tactile quality suitable for curated interiors.
Mello’s work has recently gained visibility through significant international and public projects. He was selected to represent Portuguese design at Expo 2025 Osaka with his "Wave of Connections" installation, a project emphasizing sustainable material use and cultural heritage. His portfolio also includes public sculpture, such as the commemorative piece commissioned for AEMinho in Ponte de Lima. An active participant in the European design circuit, Mello has exhibited at major trade shows like Decorex London and was recently recognized with the "Entrepreneurial Generation" award at the Mobis Gala.
Emerald Sideboard Handmade Sculptural Luxury Sideboard by MainGUILTY
By Carlos Mello
Located in Freamunde, PT
The Emerald Sideboard by MainGUILTY is a sculptural statement of contemporary luxury design, inspired by the emerald gemstone—an enduring symbol of prosperity, renewal, protection, a...
Copper
Vesuvio Sculptural Sideboard by MainGUILTY – Walnut & Gold Leaf Luxury Storage
By Carlos Mello
Located in Freamunde, PT
The Vesuvio Sideboard is a handcrafted luxury sculptural sideboard that merges powerful historical narrative with refined contemporary design. Inspired by the dramatic eruption of Mo...
Gold Leaf
Sculpture Venom Sideboard by MainGUILTY - Handcrafted w/ Premium Walnut Root
By Carlos Mello
Located in Freamunde, PT
This modern sideboard is entirely handcrafted by skilled artisans in Portugal, combining contemporary design, artisanal expertise, and high-quality manufacturing standards. The piece...
Copper
$6,100
H 23.63 in W 61.03 in D 15.56 in
Sideboard with Metal Top by Charlotte Perriand, 1970s, kitchen storage.
By Charlotte Perriand
Located in Tokyo, Tokyo
Sideboard in solid pine with brushed metal top, designed by Charlotte Perriand for her Les Arcs collection.
Metal
$30,230
H 31.5 in W 86.62 in D 21.66 in
Contemporary Sistelo Sideboard, Oak Root, Brass, Handmade Portugal by Greenapple
By Greenapple
Located in Lisboa, PT
Sistelo Contemporary Sideboard, Contemporary Collection, Handcrafted in Portugal - Europe by Greenapple. The Sistelo sideboard draws inspiration from the terraced landscapes of the ...
Brass, Stainless Steel
Sculptural 17th century ebonized Italian sideboard
Located in Jesteburg, DE
A sculptural 17th century Italian sideboard with a panelled central door flanked by pilasters and a large compartment with hinged door on the top. Tinted Pine wood, beautiful dark pa...
Softwood
$3,720Sale Price|20% Off
H 38.98 in W 66.93 in D 21.26 in
Art Deco Walnut Root Goatskin and Brass Italian Sideboard, 1940
Located in Roma, Lazio
Beautiful bar cabinet in characteristic Italian style by Paolo Buffa, Vittorio Dassi and Osvaldo Borsani. This bar cabinet has a very luxurious look, due to the use of uncommon mater...
Brass
$39,531
H 32.29 in W 88.98 in D 22.84 in
Stunning and Luxury Gilt Modern Contemporary Sideboard in Iron Wood & Gold Leaf
Located in Coimbra, PT
Materials and finishes: Base in iron, structure in wood finished in gold leaf, interior in blue satin fabric. Dimensions: Width 243 cm 96” Depth 50cm 20” Height 100 cm 39” Weight 23...
Iron, Gold Leaf
$26,160
H 33.86 in W 74.81 in D 19.69 in
Mid-Century Style Sunshine Sideboard, Black, Gold Leaf, Handmade by Greenapple
By Greenapple
Located in Lisboa, PT
Sunshine Sideboard, Contemporary Collection, Handcrafted in Portugal - Europe by Greenapple. The Sunshine modern sideboard explores the interplay o...
Brass, Gold Leaf, Stainless Steel
$14,533
H 36.23 in W 88.98 in D 18.9 in
Italian Art Deco Lacquer, Walnut and Gold Leaf Sideboard attr. Borsani, 1950s
By Osvaldo Borsani
Located in Meda, MB
Elegant Italian sideboard from the 1950s, attributed to Osvaldo Borsani. The structure is fully finished in glossy black lacquer, with fluted walnut doors that add rhythm and depth t...
Brass, Gold Leaf
$14,533
H 33.27 in W 98.63 in D 19.69 in
Sculptural Credenza-Sideboard by Giuseppe Scapinelli , Brazil 1950s
By Giuseppe Scapinelli, Jean Gillon, Sergio Rodrigues, Jorge Zalszupin
Located in Den Haag, NL
Sculptural Credenza-Sideboard by Giuseppe Scapinelli , Brazil, 1950s The elegant base and finish of detail are quality. The knobs on the doors are made of brass. It has four doors ...
Wood
$17,417 / item
H 31.7 in W 63 in D 18.31 in
Kaizen Storage Sideboard Cabinet with Metal by Artefatto Design Studio
By Scarlet Splendour, Artefatto Design Studio
Located in Kolkata, IN
Kaizen storage sideboard cabinet with metal by Artefatto Design Studio is a contemporary blue cabinet covered in high gloss metal with matt interiors. Its curved doors make it appeal...
Metal
$3,638Sale Price|20% Off
H 28.35 in W 82.29 in D 18.9 in
Luxury Sideboard Walnut Root Brass Aluminum Carlo Torriggiani for Did Dado 1970s
Located in Palermo, Sicily
Luxury Sideboard Walnut Root Brass Aluminum Carlo Torriggiani for Did Dado 1970s " Pergamo". Maxform Cydonia Italy. Sideboard of the highest performi...
Aluminum, Brass
$2,325
H 29.53 in W 42.13 in D 17.33 in
"Archimede" modular wooden storage unit / sideboard by Hirozi Fukuoh, 1962
By Gavina
Located in Argelato, BO
The Archimede sideboard is an icon of mid-century modern design, designed by Hirozi Fukuoh for Gavina in the 1960s. Crafted from solid rosewood and veneered with rosewood veneer, it ...
Brass
$27,904 / item
H 29.53 in W 88.59 in D 21.66 in
Contemporary Olival Stone Sideboard, Rose Gold, Handmade by Greenapple
By Greenapple
Located in Lisboa, PT
Contemporary Olival Stone Sideboard, Contemporary Collection, Handcrafted in Portugal - Europe by Greenapple. The Olival stone sideboard draws inspiration from the sacred symbolism of the ancient Greek olive tree, embodying its enduring significance. Featuring an exquisite stone top and elegant brass accents, this piece is a statement of refined artistry. Thoughtfully crafted with heirloom quality and timeless design in mind, the Olival stone sideboard is a work of art meant to become a cherished part of any home's history, passed down through generations. Designed by Rute Martins, Greenapple's Creative Director. The Olival TV cabinet is an award-winning design at the IDA Design Awards 2024. The Olival Sideboard...
Quartz, Travertine, Marble, Onyx, Stainless Steel, Brass, Copper