
At Callender Howorth, our expertise lies in crafting bespoke interior designs, architectural marvels, and meticulous renovations tailored specifically for Monaco & Monte Carlo clients.
Our team of expert luxury interior designers is experienced in high-level interior transformations with complete discretion requirements for Ultra High Net Worth (UNHWI) clients and private family offices.
Mark Howorth is an award-winning interior designer, renowned for creating bespoke interiors that evoke timeless elegance with modern sophistication. Celebrated as one of London’s foremost luxury interior designers, Mark brings his refined design vision and expertise to projects in Monaco and the French Riviera.
Starting his career in Los Angeles, Mark designed exclusive residences across Southern California before expanding internationally. Today, his portfolio spans the UK, Monaco, the Côte d’Azur, Paris, Manhattan, the Hamptons, and his Californian roots in Laguna Beach and Ojai.
As Founder of Callender Howorth, Mark leads a team of award-winning interior designers, architects, stylists, and project managers committed to delivering fully tailored luxury interior design, renovation, and project management services. The studio works closely with discerning clients, ensuring a seamless journey from concept to completion.
In Monaco and the surrounding Riviera region, Mark and his trusted English-speaking build team have earned a reputation for crafting interiors that reflect each client’s unique personality while maintaining the highest standards of craftsmanship and luxury.
With a recent expansion to New York, Callender Howorth continues to offer a truly global perspective on luxury living under Mark’s expert guidance.
Monaco is a rare fusion of heritage, glamour, and contemporary living — a place where architecture and lifestyle converge in perfect harmony. At Callender Howorth, our luxury interior design services are tailored exclusively for Monaco’s discerning clientele, blending refined elegance with modern innovation.
Our team specialises in designing and renovating villas, apartments, penthouses, and commercial spaces throughout Monaco and Monte Carlo. Every detail is curated to reflect the unique rhythm of life in the Principality — from the timeless sophistication of Belle Époque buildings to the sleek lines of modern high-rise residences.
With a deep understanding of local architectural regulations and a trusted English-speaking build team, we deliver a seamless experience from concept to completion. Whether creating a sophisticated pied-à-terre or reimagining a sea-view penthouse, we balance beauty, function, and exclusivity in every project.
Our approach at Callender Howorth centres on delivering customised design solutions for Monaco’s discerning clientele. We take immense pride in blending innovation with functionality, curating spaces that exude sophistication and luxury. Our team specialises in redefining residential interiors and commercial spaces, infusing bespoke designs that resonate with an international flair while staying true to individual preferences.
Monaco’s architectural landscape showcases a rich blend of history and modern vibrancy. From the opulence of the Monte Carlo Casino to the timeless elegance of Palais du Prince, Monaco’s skyline narrates tales of historical opulence and contemporary vision. The iconic Odeon Tower stands tall, symbolising Monaco’s upward ascent, while architectural marvels like the Monaco Cathedral weave stories of heritage and tradition. The region’s architectural diversity serves as an inspirational palette, infusing each design by our Monaco-based interior architects with a unique narrative that seamlessly merges heritage with innovation.
Monaco’s cosmopolitan nature ensures a vibrant social and cultural calendar, offering an array of entertainment options. The Grand Prix de Monaco, Formula One’s highly anticipated event, transforms Monte Carlo’s streets into a spectacle every May. Beyond the adrenaline of Formula One and yachting, picturesque locales like the iconic Monte-Carlo Country Club host the Rolex Masters Tennis Championships every spring, attracting sports enthusiasts worldwide.
Monaco’s culinary prowess shines through establishments like Le Louis XV at Hotel de Paris, crafted by renowned chef Alain Ducasse. An epitome of elegance and sophistication, the restaurant’s high ceilings and opulent chandeliers echo the grandeur of Versailles. From its exquisite decor to a meticulously curated menu of Mediterranean haute cuisine and an impressive selection of rare vintage wines, every facet at Le Louis XV is a celebration of perfection.
With an illustrious portfolio spanning the French Riviera, Callender Howorth has overseen myriad projects. From sea-view residences to opulent luxury apartments, our Cote d’Azur-based team brings 25 years of expertise in building and renovation. Our specialised understanding of local building permits, regulations, and architectural nuances ensures a seamless process. We specialise in full-scale renovations, interior and architectural design, and bespoke interior styling, guaranteeing that each project mirrors elegance and functionality.
Monaco’s design legacy transcends mere aesthetics; it intertwines opulence with purpose. From the timeless allure of the Monte Carlo Casino’s intricate interiors to the modern architectural wonders dotting the landscape, Monaco’s design narrative captivates the world. Callender Howorth, in its pursuit of excellence, embraces this legacy, infusing each project with a narrative that pays homage to Monaco’s rich cultural heritage while embracing contemporary elegance. Our team meticulously crafts interiors that not only reflect a distinctive style but also serve as a seamless extension of our clients’ individuality and aspirations.
At Callender Howorth, we understand that every space has its story waiting to be told. Our commitment to perfection drives us to delve into the intricate details, ensuring that each design element aligns flawlessly with your vision. Whether it’s a sophisticated penthouse, a quaint apartment, or a commercial space exuding panache, our interior architects in Monaco meticulously curate bespoke solutions that transcend boundaries and redefine luxury living.
Reach out to our esteemed team of interior designers in Monaco today to discuss your project and witness the transformation of your vision into a breathtaking reality.