If you’ve been considering a complete transformation of your space – from the first mood board sketch to the final touches of decor – the right interior design professionals can make all the difference.
A beautiful, functional home or commercial space isn’t just about furniture – it’s about flow, lighting, textures, and how a room makes you feel. That’s why we’ve compiled this guide to highlight the top interior design consulting firms in the GTA, along with our own team at Renovation RM because no renovation is truly complete without expert design direction.
These businesses are trusted for their creativity, expertise, and ability to turn visions into reality. Whether you’re reimagining your condo, redesigning an office, or refreshing your home, you’ll find the right partner here.
Why These Businesses Made the Cut
We looked for companies that consistently deliver:
- Thoughtful designs tailored to client lifestyle and needs.
- Clear, collaborative communication during every stage.
- A proven track record and strong client testimonials.
- Innovative approaches that balance beauty and function.
Each business on this list reflects the best of the GTA’s interior design consulting community – and we’re proud to showcase their work.
1) Toronto Interior Design Group (TIDG)
Address: 18 Twyford Rd, Etobicoke, ON M9A 1W1
Phone: (416) 927-8744
Website: tidg.ca
Toronto Interior Design Group is a full-service design studio specializing in high-end residential interiors. They guide clients from space planning to décor, offering turnkey solutions that make the design process stress-free.
Why We Love Them: Their reputation for luxury interiors paired with client-focused service makes TIDG an excellent choice for homeowners looking for elegance without sacrificing comfort.
2) In Tech House Design
Address: 2275 Lake Shore Blvd W #224, Etobicoke, ON M8V 3Y3
Phone: (647) 478-5055
Website: ithd.ca
In Tech House Design specializes in modern, functional interiors with a strong emphasis on technology integration. Their projects often blend contemporary aesthetics with smart-home solutions for convenience and efficiency.
Why We Love Them: Their ability to merge design with cutting-edge tech makes them stand out, especially for clients who want their space to be as smart as it is stylish.
3) LDesigns Interiors Inc.
Address: 4953 Dundas St W Suite 104, Etobicoke, ON M9A 1B6
Phone: (416) 825-2099
Website: ldesigns.ca
L|Designs offers interior design, decorating, and renovation consulting services tailored to both homes and small businesses. Their style ranges from modern minimalism to cozy transitional spaces.
Why We Love Them: Their versatility and client-focused process make them a reliable option for homeowners who want a design that feels both personal and polished.
4) Studio Forma Interior Design Inc.
Address: 1100 Gorham St Unit 18, Newmarket, ON L3Y 8Y8
Phone: (905) 252-0947
Website: studioforma.ca
Studio Forma is known for innovative design concepts, blending European influences with North American practicality. They provide complete consulting, from floor plans to furnishings.
Why We Love Them: Their creative approach and global design sensibility make them an ideal choice for clients seeking unique, high-impact interiors.
5) DesignAgency
Address: 845 Adelaide St W, Toronto, ON M6J 3X1
Phone: (416) 703-2022
Website: thedesignagency.ca
DesignAgency is an award-winning studio recognized internationally for their work in hospitality, commercial, and residential design. Their projects combine bold creativity with functional layouts, creating spaces that are both stylish and livable.
Why We Love Them: Their global experience and impressive portfolio make them an excellent choice for clients seeking innovative, boundary-pushing interiors.
6) Signature Spaces Staging & Re-Design
Address: 28 St Marks Rd, York, ON M6S 2H8
Phone: (416) 738-2880
Website: signaturespaces.ca
Signature Spaces specializes in home staging, re-design, and interior styling. They focus on maximizing a property’s appeal, whether for sale or for everyday living. Their services help transform spaces quickly and affordably.
Why We Love Them: Their expertise in staging and re-design makes them a go-to for homeowners preparing to sell or refresh their home on a budget.
7) CCS Design & Interiors
Address: 3465 Rebecca St #203, Oakville, ON L6L 5G8
Phone: (226) 499-2227
Website: everythingccs.com
CCS Design & Interiors provides full-service design, specializing in residential interiors that balance comfort and beauty. Their portfolio ranges from modern townhomes to luxury residences, always with an eye for detail.
Why We Love Them: Their approachable design style makes them a great fit for families who want inviting, functional spaces with a touch of sophistication.
8) SGL Planning & Design Inc.
Address: 1547 Bloor St W, Toronto, ON M6P 1A5
Phone: (416) 923-6630
Website: sglplanning.ca
SGL Planning & Design combines interior design with urban planning expertise. They work on both residential and commercial projects, often coordinating design with larger community and development goals.
Why We Love Them: Their dual expertise in planning and design makes them unique – perfect for projects where interiors must align with broader architectural or urban requirements.
9) Dexign Matter Studio
Address: 8787 Woodbine Ave Unit 239, Markham, ON L3R 5W9
Phone: (416) 455-5922
Website: dexignmatter.com
Dexign Matter Studio offers modern interior design solutions with a focus on innovative layouts and stylish finishes. Their projects range from contemporary residential spaces to commercial interiors with bold, eye-catching details.
Why We Love Them: Their creative approach and attention to detail make them a standout choice for clients who want unique spaces that balance functionality with aesthetic impact.
10) S&A Decor – Interior Decorator in Toronto
Address: 16 Tower Dr, Scarborough, ON M1R 3N9
Phone: (416) 948-0709
Website: sainteriordesignstoronto.com
S&A Décor specializes in personalized interior decorating services, with a strong focus on residential homes. They help homeowners choose colors, furnishings, and layouts that reflect their personality and lifestyle.
Why We Love Them: Their personalized approach makes every project feel unique, ensuring homeowners enjoy a space that feels truly their own.
11) Ted Design International
Address: 7481 Woodbine Ave Unit 201, Markham, ON L3R 2W1
Phone: (905) 475-7388
Website: teddesign.com
Ted Design International blends architecture and interior design, offering a complete suite of services for both residential and commercial projects. Their focus is on sleek, functional designs that stand the test of time.
Why We Love Them: Their integration of architectural expertise with interior styling makes them a strong option for complex renovations and large-scale projects.
12) BiglarKinyan Design Planning Inc. (BKDP)
Address: 204 King St E, Toronto, ON M5A 1J7
Phone: (416) 850-9911
Website: bkdp.ca
BKDP is an award-winning firm specializing in luxury residential interiors and design-build projects. Their work is known for creative layouts, high-end finishes, and a seamless project management process.
Why We Love Them: Their ability to manage projects from concept to completion with exceptional design flair makes them a top choice for luxury homeowners.
13) Align Interiors
Address: 91 Skyway Ave Suite 207, Etobicoke, ON M9W 6R5
Phone: (647) 278-5373
Website: aligninteriors.ca
Align Interiors provides full-service design consulting with a focus on clean, functional layouts. Their portfolio showcases modern residential spaces that balance comfort with contemporary style.
Why We Love Them: Their ability to create calm, cohesive interiors makes them a reliable choice for clients who want a timeless design they’ll enjoy for years.
14) Design TWG
Address: 2660 Meadowvale Blvd Unit 2, Mississauga, ON L5N 6M6
Phone: (905) 696-7612
Website: designtwg.com
Design TWG specializes in interior architecture, space planning, and consulting for both residential and commercial projects. Their work blends creativity with technical knowledge, ensuring each design is practical and stunning.
Why We Love Them: Their ability to bridge architectural design with décor ensures clients receive thoughtful spaces that work beautifully in real life.
15) Interior Solutions
Address: 2895 Argentia Rd Unit 6, Mississauga, ON L5N 8G6
Phone: (905) 814-7800
Website: interiorsolutions.ca
Interior Solutions offers professional consulting and design services tailored to both corporate and residential environments. Their strength lies in maximizing space efficiency while creating visually striking results.
Why We Love Them: Their expertise in corporate interiors makes them especially valuable for businesses that want branded, functional spaces that inspire productivity.
16) Imperial Interior Design Solutions
Address: 2273 Dundas St W, Mississauga, ON L5K 2L8
Phone: (647) 241-9757
Website: iidesignsolutions.com
Imperial Interior Design Solutions blends luxury styling with practical renovations. They handle everything from space planning and décor consulting to turnkey design projects.
Why We Love Them: Their ability to deliver premium finishes and elegant layouts makes them a favorite for clients seeking upscale interiors with a professional touch.
17) DGN Interiors Inc.
Address: Baywood Rd, Etobicoke, ON M9V 3Y8
Phone: (647) 406-0800
Website: dgninteriorsinc.ca
DGN Interiors Inc. provides design and renovation consulting services with a strong focus on personalization. Their team works closely with clients to create functional, modern interiors.
Why We Love Them: Their collaborative approach ensures clients feel supported throughout the process, making them a trusted partner for both small updates and full redesigns.
Renovation RM (Our Team)
Address: Toronto & GTA, Canada
Website: renovationrm.ca
At Renovation RM, we specialize in delivering interior design-informed renovations that merge aesthetics with practicality. From concept sketches to the final build, our team ensures every project reflects the client’s vision while staying efficient, functional, and timeless.
Why We Love What We Do: Every project is an opportunity to transform spaces into places people truly love to live and work in. Our consulting approach integrates design with execution – making the renovation journey smooth and rewarding.
Related Services from Renovation RM
Beyond interior design consulting, we provide a full suite of renovation and build services across the GTA:
- Commercial Renovations
- Custom Home Build Services
- Condominium Renovation Services
- Home Additions
- Kitchen Renovations
- Bathroom Renovations
Final Thoughts
Interior design consulting is more than just picking colors or furniture – it’s about creating spaces that reflect personality, improve functionality, and inspire comfort. The firms highlighted in this guide showcase the very best in the GTA, offering expertise that can transform any home or business.
And when it comes to combining design vision with hands-on renovation expertise, Renovation RM is here to guide you every step of the way. With a wide range of residential and commercial services, we turn ideas into reality – delivering interiors that are both beautiful and built to last.
