10 Best Smart Device Interface Design Agencies That Drive Results
10 Best Smart Device Interface Design Agencies That Drive Results
10 Best Smart Device Interface Design Agencies That Drive Results
Looking to improve IoT use? Explore the top 10 best smart device interface design agencies creating seamless device control.
Looking to improve IoT use? Explore the top 10 best smart device interface design agencies creating seamless device control.
Looking to improve IoT use? Explore the top 10 best smart device interface design agencies creating seamless device control.
4 minutes
4 minutes
4 minutes
Introduction
Over the last few months, we spoke to over 57 design agencies globally, ran actual sales calls, and made one of the most comprehensive agency comparisons ever done.
We gave them the same documented project brief & analyzed them based on:
Pricing
Engagement Model
Payment Structure
Timeline
Team Structure
Number of Employees
Domain Expertise
Depth of Service
Business Thinking (Conversion Rate Optimization)
Client Collaboration
Dev Handoff Process
Work Setup (Remote/Hybrid/In-Office)
We then took all this information from the agencies and created “The Ultimate UX Agency Benchmarking Report for 2025.”
Based on our global benchmarks, we then handpicked a selected list of the best smart device interface design agencies.
By the end, you’ll know exactly which agency matches your goals & how they can help.
Introduction
Over the last few months, we spoke to over 57 design agencies globally, ran actual sales calls, and made one of the most comprehensive agency comparisons ever done.
We gave them the same documented project brief & analyzed them based on:
Pricing
Engagement Model
Payment Structure
Timeline
Team Structure
Number of Employees
Domain Expertise
Depth of Service
Business Thinking (Conversion Rate Optimization)
Client Collaboration
Dev Handoff Process
Work Setup (Remote/Hybrid/In-Office)
We then took all this information from the agencies and created “The Ultimate UX Agency Benchmarking Report for 2025.”
Based on our global benchmarks, we then handpicked a selected list of the best smart device interface design agencies.
By the end, you’ll know exactly which agency matches your goals & how they can help.
Introduction
Over the last few months, we spoke to over 57 design agencies globally, ran actual sales calls, and made one of the most comprehensive agency comparisons ever done.
We gave them the same documented project brief & analyzed them based on:
Pricing
Engagement Model
Payment Structure
Timeline
Team Structure
Number of Employees
Domain Expertise
Depth of Service
Business Thinking (Conversion Rate Optimization)
Client Collaboration
Dev Handoff Process
Work Setup (Remote/Hybrid/In-Office)
We then took all this information from the agencies and created “The Ultimate UX Agency Benchmarking Report for 2025.”
Based on our global benchmarks, we then handpicked a selected list of the best smart device interface design agencies.
By the end, you’ll know exactly which agency matches your goals & how they can help.
How To Evaluate Your Agency?
During our benchmarking, we identified three key issues with how most smart device interface design agencies operate:
Device ecosystems are often fragmented, leading to inconsistent user experiences.
Many agencies overlook accessibility and usability across multiple screen types.
Integration with hardware and IoT systems is often poorly executed, causing adoption issues.
How To Evaluate Your Agency?
During our benchmarking, we identified three key issues with how most smart device interface design agencies operate:
Device ecosystems are often fragmented, leading to inconsistent user experiences.
Many agencies overlook accessibility and usability across multiple screen types.
Integration with hardware and IoT systems is often poorly executed, causing adoption issues.
How To Evaluate Your Agency?
During our benchmarking, we identified three key issues with how most smart device interface design agencies operate:
Device ecosystems are often fragmented, leading to inconsistent user experiences.
Many agencies overlook accessibility and usability across multiple screen types.
Integration with hardware and IoT systems is often poorly executed, causing adoption issues.
We at Bricx exclusively work with B2B & AI SaaS to create unforgettable user experiences. Our team of UX experts design high-converting websites and products, using our deep understanding of SaaS & design.
We have a running list of 25+ UX case studies where we have successfully completed website & product design projects for our clients.
Our clients include B2B SaaS & AI companies like Writesonic, Sybill, Manyreach, and other reputed names.
If location isn’t a huge factor, schedule a call with us to discuss your goals & we’ll let you know how we can help.
We at Bricx exclusively work with B2B & AI SaaS to create unforgettable user experiences. Our team of UX experts design high-converting websites and products, using our deep understanding of SaaS & design.
We have a running list of 25+ UX case studies where we have successfully completed website & product design projects for our clients.
Our clients include B2B SaaS & AI companies like Writesonic, Sybill, Manyreach, and other reputed names.
If location isn’t a huge factor, schedule a call with us to discuss your goals & we’ll let you know how we can help.
We at Bricx exclusively work with B2B & AI SaaS to create unforgettable user experiences. Our team of UX experts design high-converting websites and products, using our deep understanding of SaaS & design.
We have a running list of 25+ UX case studies where we have successfully completed website & product design projects for our clients.
Our clients include B2B SaaS & AI companies like Writesonic, Sybill, Manyreach, and other reputed names.
If location isn’t a huge factor, schedule a call with us to discuss your goals & we’ll let you know how we can help.
Best Smart Device Interface Design Agencies: [Comparison]
Bricx
Bricx is a founder-led UX design agency exclusively working with B2B & AI SaaS startups to get more signups, increase conversions, and reduce user churn.
We have a running list of 25+ UX case studies of successfully completed website & product design projects for our clients.
Our clients vouch for our impeccable visual design taste along with deep product knowledge resulting in standout products with a delightful user experience.
Bricx is a trusted design partner of fast-growing SaaS backed by Y Combinator, Accel, Sequoia, Riverside Ventures, Techstars, Greyloft, Blume Ventures, and other reputed venture firms.
We’re a niche group of SaaS UX specialists who enjoy working with startups who like to move fast, test new ideas, and iterate even faster.
If that’s you — feel free to book a call with one of our founders, and they’ll be able to guide you through how we can collaborate.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Slack & weekly reviews
5. App/Web Dev Support: Yes
6. Office Culture: Remote-first
Fantasy
Fantasy ranks among the best smart device interface design agencies for crafting futuristic and immersive UI.
They design for mobile-first ecosystems, connected devices, and in-car experiences with equal finesse.
By blending storytelling with cutting-edge tech, Fantasy ensures smart devices feel intuitive and aspirational.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly syncs
5. App/Web Dev Support: Yes
6. Office Culture: Innovation-driven
Clay
Clay is one of the best smart device interface design agencies for companies looking for visually polished and technically scalable UI.
Their designs simplify how users interact with connected devices while ensuring brand identity is preserved across ecosystems.
Clay’s work often leads to shorter learning curves and better adoption rates for complex device systems.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly reviews
5. App/Web Dev Support: Yes
6. Office Culture: Collaborative, detail-oriented
Ustwo
Ustwo makes the list of best smart device interface design agencies thanks to its focus on human-centered design.
They design interfaces for wearables, AR/VR devices, and connected products that balance creativity with usability.
Their work often explores new interaction models like gestures and voice to improve device experiences.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Workshops + weekly syncs
5. App/Web Dev Support: Partial
6. Office Culture: Creative, informal
IDEO
IDEO is globally known as one of the best smart device interface design agencies due to its research-first approach.
They create device experiences that prioritize inclusivity, accessibility, and real-world usability.
With decades of innovation expertise, IDEO integrates physical products and digital interfaces into unified ecosystems.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Global syncs
5. App/Web Dev Support: Limited
6. Office Culture: Innovation-first
Frog Design
Frog stands out as one of the best smart device interface design agencies with work spanning automotive, healthcare, and IoT.
They specialize in designing for critical systems where reliability and accessibility matter most.
Their approach ensures connected devices are intuitive, secure, and easy to maintain.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Structured reviews
5. App/Web Dev Support: Yes
6. Office Culture: Research-driven, global
Work & Co
Work & Co has become one of the best smart device interface design agencies for enterprise-grade connected ecosystems.
They design UIs that work seamlessly across platforms and devices, enabling companies to scale globally.
Their emphasis on design systems ensures consistency across every device touchpoint.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly syncs
5. App/Web Dev Support: Yes
6. Office Culture: Enterprise-oriented
Huge
Huge is widely recognized as one of the best smart device interface design agencies for creating cohesive ecosystems.
They design interfaces for mobile apps, wearables, and connected products that feel unified and intuitive.
Their approach combines speed, scalability, and a strong understanding of consumer behavior.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly structured syncs
5. App/Web Dev Support: Yes
6. Office Culture: Fast-paced, global
Best Smart Device Interface Design Agencies: [Comparison]
Bricx
Bricx is a founder-led UX design agency exclusively working with B2B & AI SaaS startups to get more signups, increase conversions, and reduce user churn.
We have a running list of 25+ UX case studies of successfully completed website & product design projects for our clients.
Our clients vouch for our impeccable visual design taste along with deep product knowledge resulting in standout products with a delightful user experience.
Bricx is a trusted design partner of fast-growing SaaS backed by Y Combinator, Accel, Sequoia, Riverside Ventures, Techstars, Greyloft, Blume Ventures, and other reputed venture firms.
We’re a niche group of SaaS UX specialists who enjoy working with startups who like to move fast, test new ideas, and iterate even faster.
If that’s you — feel free to book a call with one of our founders, and they’ll be able to guide you through how we can collaborate.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Slack & weekly reviews
5. App/Web Dev Support: Yes
6. Office Culture: Remote-first
Fantasy
Fantasy ranks among the best smart device interface design agencies for crafting futuristic and immersive UI.
They design for mobile-first ecosystems, connected devices, and in-car experiences with equal finesse.
By blending storytelling with cutting-edge tech, Fantasy ensures smart devices feel intuitive and aspirational.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly syncs
5. App/Web Dev Support: Yes
6. Office Culture: Innovation-driven
Clay
Clay is one of the best smart device interface design agencies for companies looking for visually polished and technically scalable UI.
Their designs simplify how users interact with connected devices while ensuring brand identity is preserved across ecosystems.
Clay’s work often leads to shorter learning curves and better adoption rates for complex device systems.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly reviews
5. App/Web Dev Support: Yes
6. Office Culture: Collaborative, detail-oriented
Ustwo
Ustwo makes the list of best smart device interface design agencies thanks to its focus on human-centered design.
They design interfaces for wearables, AR/VR devices, and connected products that balance creativity with usability.
Their work often explores new interaction models like gestures and voice to improve device experiences.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Workshops + weekly syncs
5. App/Web Dev Support: Partial
6. Office Culture: Creative, informal
IDEO
IDEO is globally known as one of the best smart device interface design agencies due to its research-first approach.
They create device experiences that prioritize inclusivity, accessibility, and real-world usability.
With decades of innovation expertise, IDEO integrates physical products and digital interfaces into unified ecosystems.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Global syncs
5. App/Web Dev Support: Limited
6. Office Culture: Innovation-first
Frog Design
Frog stands out as one of the best smart device interface design agencies with work spanning automotive, healthcare, and IoT.
They specialize in designing for critical systems where reliability and accessibility matter most.
Their approach ensures connected devices are intuitive, secure, and easy to maintain.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Structured reviews
5. App/Web Dev Support: Yes
6. Office Culture: Research-driven, global
Work & Co
Work & Co has become one of the best smart device interface design agencies for enterprise-grade connected ecosystems.
They design UIs that work seamlessly across platforms and devices, enabling companies to scale globally.
Their emphasis on design systems ensures consistency across every device touchpoint.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly syncs
5. App/Web Dev Support: Yes
6. Office Culture: Enterprise-oriented
Huge
Huge is widely recognized as one of the best smart device interface design agencies for creating cohesive ecosystems.
They design interfaces for mobile apps, wearables, and connected products that feel unified and intuitive.
Their approach combines speed, scalability, and a strong understanding of consumer behavior.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly structured syncs
5. App/Web Dev Support: Yes
6. Office Culture: Fast-paced, global
Best Smart Device Interface Design Agencies: [Comparison]
Bricx
Bricx is a founder-led UX design agency exclusively working with B2B & AI SaaS startups to get more signups, increase conversions, and reduce user churn.
We have a running list of 25+ UX case studies of successfully completed website & product design projects for our clients.
Our clients vouch for our impeccable visual design taste along with deep product knowledge resulting in standout products with a delightful user experience.
Bricx is a trusted design partner of fast-growing SaaS backed by Y Combinator, Accel, Sequoia, Riverside Ventures, Techstars, Greyloft, Blume Ventures, and other reputed venture firms.
We’re a niche group of SaaS UX specialists who enjoy working with startups who like to move fast, test new ideas, and iterate even faster.
If that’s you — feel free to book a call with one of our founders, and they’ll be able to guide you through how we can collaborate.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Slack & weekly reviews
5. App/Web Dev Support: Yes
6. Office Culture: Remote-first
Fantasy
Fantasy ranks among the best smart device interface design agencies for crafting futuristic and immersive UI.
They design for mobile-first ecosystems, connected devices, and in-car experiences with equal finesse.
By blending storytelling with cutting-edge tech, Fantasy ensures smart devices feel intuitive and aspirational.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly syncs
5. App/Web Dev Support: Yes
6. Office Culture: Innovation-driven
Clay
Clay is one of the best smart device interface design agencies for companies looking for visually polished and technically scalable UI.
Their designs simplify how users interact with connected devices while ensuring brand identity is preserved across ecosystems.
Clay’s work often leads to shorter learning curves and better adoption rates for complex device systems.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly reviews
5. App/Web Dev Support: Yes
6. Office Culture: Collaborative, detail-oriented
Ustwo
Ustwo makes the list of best smart device interface design agencies thanks to its focus on human-centered design.
They design interfaces for wearables, AR/VR devices, and connected products that balance creativity with usability.
Their work often explores new interaction models like gestures and voice to improve device experiences.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Workshops + weekly syncs
5. App/Web Dev Support: Partial
6. Office Culture: Creative, informal
IDEO
IDEO is globally known as one of the best smart device interface design agencies due to its research-first approach.
They create device experiences that prioritize inclusivity, accessibility, and real-world usability.
With decades of innovation expertise, IDEO integrates physical products and digital interfaces into unified ecosystems.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Global syncs
5. App/Web Dev Support: Limited
6. Office Culture: Innovation-first
Frog Design
Frog stands out as one of the best smart device interface design agencies with work spanning automotive, healthcare, and IoT.
They specialize in designing for critical systems where reliability and accessibility matter most.
Their approach ensures connected devices are intuitive, secure, and easy to maintain.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Structured reviews
5. App/Web Dev Support: Yes
6. Office Culture: Research-driven, global
Work & Co
Work & Co has become one of the best smart device interface design agencies for enterprise-grade connected ecosystems.
They design UIs that work seamlessly across platforms and devices, enabling companies to scale globally.
Their emphasis on design systems ensures consistency across every device touchpoint.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly syncs
5. App/Web Dev Support: Yes
6. Office Culture: Enterprise-oriented
Huge
Huge is widely recognized as one of the best smart device interface design agencies for creating cohesive ecosystems.
They design interfaces for mobile apps, wearables, and connected products that feel unified and intuitive.
Their approach combines speed, scalability, and a strong understanding of consumer behavior.
1. Employees-to-Client Ratio (Bandwidth): 1:1
2. Process Maturity: Very High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly structured syncs
5. App/Web Dev Support: Yes
6. Office Culture: Fast-paced, global
Pentagram
Pentagram brings a brand-focused approach to being one of the best smart device interface design agencies.
They align product interfaces with company identity while ensuring usability across connected devices.
Their designs make device experiences memorable while supporting business goals.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly reviews
5. App/Web Dev Support: Partial
6. Office Culture: Creative, collaborative
R/GA
R/GA is a global leader among the best smart device interface design agencies, excelling in large-scale ecosystems.
They create AR/VR-enabled interfaces, wearables, and connected systems for enterprises worldwide.
R/GA’s work ensures seamless integration between software and hardware, driving adoption and engagement.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly structured syncs
5. App/Web Dev Support: Yes
6. Office Culture: Global, agency-driven
Conclusion
Choosing the best smart device interface design agencies isn’t just about stylish screens. It’s about designing consistent, reliable, and scalable experiences across phones, wearables, and connected devices.
Pentagram
Pentagram brings a brand-focused approach to being one of the best smart device interface design agencies.
They align product interfaces with company identity while ensuring usability across connected devices.
Their designs make device experiences memorable while supporting business goals.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly reviews
5. App/Web Dev Support: Partial
6. Office Culture: Creative, collaborative
R/GA
R/GA is a global leader among the best smart device interface design agencies, excelling in large-scale ecosystems.
They create AR/VR-enabled interfaces, wearables, and connected systems for enterprises worldwide.
R/GA’s work ensures seamless integration between software and hardware, driving adoption and engagement.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly structured syncs
5. App/Web Dev Support: Yes
6. Office Culture: Global, agency-driven
Conclusion
Choosing the best smart device interface design agencies isn’t just about stylish screens. It’s about designing consistent, reliable, and scalable experiences across phones, wearables, and connected devices.
Pentagram
Pentagram brings a brand-focused approach to being one of the best smart device interface design agencies.
They align product interfaces with company identity while ensuring usability across connected devices.
Their designs make device experiences memorable while supporting business goals.
1. Employees-to-Client Ratio (Bandwidth): Medium
2. Process Maturity: High
3. AI Design Experience: Limited
4. Client Communication (Meetings + Daily Updates): Weekly reviews
5. App/Web Dev Support: Partial
6. Office Culture: Creative, collaborative
R/GA
R/GA is a global leader among the best smart device interface design agencies, excelling in large-scale ecosystems.
They create AR/VR-enabled interfaces, wearables, and connected systems for enterprises worldwide.
R/GA’s work ensures seamless integration between software and hardware, driving adoption and engagement.
1. Employees-to-Client Ratio (Bandwidth): 2:1
2. Process Maturity: High
3. AI Design Experience: Yes
4. Client Communication (Meetings + Daily Updates): Weekly structured syncs
5. App/Web Dev Support: Yes
6. Office Culture: Global, agency-driven
Conclusion
Choosing the best smart device interface design agencies isn’t just about stylish screens. It’s about designing consistent, reliable, and scalable experiences across phones, wearables, and connected devices.
As a remote-first team of UX specialists, we work exclusively with B2B & AI SaaS companies to design unforgettable user experiences at Bricx.
If you’re a B2B or AI SaaS looking to give your users an unforgettable experience, book a call with us now!
As a remote-first team of UX specialists, we work exclusively with B2B & AI SaaS companies to design unforgettable user experiences at Bricx.
If you’re a B2B or AI SaaS looking to give your users an unforgettable experience, book a call with us now!
As a remote-first team of UX specialists, we work exclusively with B2B & AI SaaS companies to design unforgettable user experiences at Bricx.
If you’re a B2B or AI SaaS looking to give your users an unforgettable experience, book a call with us now!
Author:
Unforgettable Website & UX Design For SaaS
We design high-converting websites and products for B2B AI startups.
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Bricx
Bookings Open for Jun’25
© Bricxlabs 2024. All Rights Reserved
Bricx
Bookings Open for Jun’25
© Bricxlabs 2024. All Rights Reserved
Bricx
Bookings Open for Jun’25
© Bricxlabs 2024. All Rights Reserved
