Julianne’s passion is working with women of influence and empowering them to use style as a way to reach their goals and show the world what they are capable of achieving. Her long list of inspirational clients in industries such as Law, Medicine, Tech, Finance, Sports and Lifestyle, to name a few, have led to collaborations with major fashion brands across Canada.

Julianne believes in accentuating your natural beauty in every aspect of your life to create a signature style that represents exactly who you are. Her long blonde curls, crisp red manicure and timeless heirloom accessories have created her signature style, which she credits as being part of her success as a woman, stylist and CEO.


Julianne Costigan


Based in Toronto, Canada, Julianne is a fashion stylist known for her effortless ability to combine the quality and aesthetic of luxury brands with the ease and accessibility of mainstream fashion. Julianne’s sophisticated approach to style is known throughout the industry, as she focuses her work on personal and celebrity styling as well as advertising and editorial projects. 

Julianne’s approach to styling allows every client she works with to achieve an aesthetic that is both meaningful and effortless, while reflecting their individuality. With clients such as Brittni Donaldson, Jessica Mulroney, Bianca Andreescu and Meghan Patrick as well as corporate clients including Mercedes-Benz, Hudson’s Bay, Cleo and Shoppers Drug Mart, Julianne has achieved a reputation as one of Canada’s top stylists. Her secret?


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"It's red lipstick bold, classic to the core, romantic at heart, and effortless, button-down-shirt sexy."

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We forge trustworthy, female-empowering relationships with risk-taking, rule-breaking, glass-ceiling-shattering clients, and bring their values, stories, skills and goals to life through style. 



  • Quality
  • Connection
  • Trust
  • Elegance
  • Authenticity

our values


To empower women and brands to embrace their unique assets and offerings by fusing quality, style and price point. We want to help clients celebrate their natural beauty and essence through style, leaving them with an effortless yet chic image that allows their authentic selves and capabilities to shine through. 

our vision


Based in Toronto but originally from the small town of Beeton, Adrienne offers a welcoming and high-spirited approach to the JC Team. With her Bachelor of Design from the Fashion Communications program at Toronto Metropolitan University (Formerly Ryerson), Adrienne is an integral part of the JC team. Using her skills in graphic design, strategic ideation, creative and content strategy, copywriting, styling, photography and videography, Adrienne carefully curates and leads the JC Team's marketing and visual direction. Adrienne fosters strong relationships with brands and clients that lead to flourishing partnerships and always brings her inspiring energy to every shoot, meeting and creative project. You can typically find Adrienne behind her camera, sparking up a lively conversation or spending time with her friends and family!

lindsay gilmore

Born and raised in Guelph, Lindsay earned her Aesthetics Degree and opened up and operated her own aesthetics business for over a decade. After having two beautiful children, Lindsay decided to close her business and explore other passions. Her career broadened as she assisted in photography for Cleo—a national clothing company—before moving into their marketing department. In this role, she gained expertise in organizing and managing photoshoots, assisting in marketing campaigns and coordinating while putting her detail-oriented nature and exceptional customer care skills to use. Presently on the JC team, Lindsay handles accounts, invoices and on-site event coordination while always providing support (and delicious baked goods) to the team. Lindsay finds joy in quality moments with her husband and their two children, and she treasures every opportunity to embrace the outdoors.

Based in the GTA, Brianna has worked and studied throughout Toronto and New York City graduating with a Diploma in Fashion Management and Merchandising. With her extensive experience in the industry, Brianna brings a keen sense of style and a sophisticated eye to all styling, creative and marketing projects. As Style Operations Associate, Brianna spearheads and specializes in broadcast and designer communications, trend forecasting and PR on the JC Team. With her passion for media, Brianna is our one-stop shop for all breaking news and always has the insider scoop on new and upcoming brands, people and products on the market or in the industry. She is our team's very own version of Who What Wear! Outside of work, Brianna loves spending time with her two pups Bentley and Chanel along with friends, and family.



accounts & events coordinator


style operations associate




Katrina grew up in a small town just outside of Barrie Ontario and took the first steps in her career in fashion at Ryerson University. Katrina’s greatest passion lies in helping people cultivate positive change in their life and career through style. As a Senior Style Coordinator in the personal styling department at Julianne Costigan Inc, Katrina works directly alongside Julianne to help every client identify their style and empower them to forge and foster continued universal success in every aspect of their life by using style as a tool rather than a barrier to success. Outside of fashion, Katrina also has a passion for gardening, photography and a good dessert!

Senior style coordinator & senior stylist

- Kim Newport Mimran

"Great style never goes out of fashion."

our motto:

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