Hello! from Mumbai, India

Moving Human Experience Forward! We help you deliver growth-driven experiences to your users.

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We are the best UI UX design company in Mumbai, India that emotes and innovates user experience by incorporating research and user-centric innovations.

User Experiences (UX)

Experiences are planned and strategised. Creating an experience takes research in understanding user behaviour, competition, and mediums. Our process and methods help bring experience to a whole different level.

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User Interface (UI)

Interfaces are the face of all human interactions. At Yellow Slice, we strive towards making interactions, gestures, and experiences more usable. Visual language plays an important role to deliver human-centric designs.

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Corporate Innovation Lab

The purpose of building a Corporate Innovation Lab is not just to build a lab but to build a playground/space/hub for businesses to play around with their ideas and find solutions that can be prototyped at a low cost before the final implementation.

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Sprint Workshops

A design sprint workshop is a fun, collaborative and time-bound UI UX design pit stop that brings together all ideas, challenges and solutions to the table. From raw to refinement, we polish each gem of a solution in this collaborative brainstorming session. Add direction to your vision with a design sprint workshop.

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Product design

Designing a product from scratch or making different iterations, we help you craft excellence. From research to prototyping, we diligently pave the way to launch your product towards higher conversions and user satisfaction.

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UX Testing

Know the viability of your product before it hits the market with UX Testing. With thorough testing in every step of the process, eliminate risks and increase your odds for a flawless execution with minimal iterations.

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Our diversified experience has upscaled graphs of multiple businesses leveraging our broad spectrum of services by meeting quality benchmarks with timely deliveries.

Years in
Unicorn Clients

Let’s create a measurable impact on your business!

Our Process


“A journey of a thousand miles begins with a single step”

-Lao Tzu

Step 1


  • Project brief
  • Business current state blueprint
  • UX Research
  • Primary & Secondary research
  • Competitive Analysis
  • Stakeholder workshop
  • Stakeholder Maps

Step 2


  • UX UI vision
  • Personas
  • Empathy Maps
  • UX Strategy
  • Emotions Mapping & Journey
  • Use Case Scenarios
  • Task Flows
  • Site Map
  • Information Architecture
  • Rapid Prototype
  • Low Fidelity Wireframes

Step 3


  • Navigation Design
  • Wireframe Design
  • Design System
  • Screen Flows
  • Product Mockups
  • UI Design
  • Icons & Illustrations
  • UI Animations
  • Front end Development

Step 4


  • A/B testing
  • Heat Map Analysis
  • Product Adoption Analysis
  • Design Viability



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Customer Stories

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UI/UX Design Company FAQ's

If you have questions that are not listed here,
send them to us via email [email protected]

What are your areas of focus as a leading UI/UX Design company in India?

Being one of the top-notch UI/UX design companies in Mumbai, India, we tend to focus more on the research process in every particular industry for any given project with data-driven design decisions.

What separates Yellow Slice from other top UI/UX design agencies?

As a thought leader in the UI/UX industry, We are literal with the word UX design. U= USER X= EXPERIENCE DESIGN= PROBLEM-SOLVING. In a given project, we look at first knowing the user and really understanding them well to remove any biases. We identify the problem and work on innovating experiences which are intuitive for the user. Some of our focus areas are:

  • Data-Driven Decisions
  • Mapping User Emotions
  • Empathy
  • Affordance
  • UX Research
  • UX Audit
  • UX Testing

How to choose the right UI/UX design company for the startup? What are the things I should consider before finalizing it?

A definitive objective is to guarantee your website can furnish its users with the most conceivable flawless experience as could be expected. Thus, you anticipate your UI/UX Design agency to be similarly productive, cutting and client-focused. To get decent ROI in the digital sphere, you need a great product and design. To understand every bit in detail, refer to Why Startups Should Partner With UI/UX Companies.

Do Yellow Slice provide branding or should I hire a separate branding agency?

Yes! As a holistic and multifaceted UI/UX Design Studio, we also work on Brand Design and Print and publication Designs.

How do you define your specializations as a web design and UX agency?

We, as a UI UX design agency, thrive on 4 values: Result-oriented, Transparent, Freedom and Helping. We specialize in a variety of different design and development projects - from building new products to redesigning existing mobile apps, websites, or enterprise software. In other words, we've got you covered when it comes to everything you need to create a successful digital product. This includes user research, product strategy, UX testing, brand design and UX design, UX motion, sprint workshop, and digital illustration.

Is branding a part of your UI/UX design services in India?

Yes, we do branding as part of our UX UI design projects. We're a user experience agency, and that means branding is always an integral part of our UX/UI design projects. We work on brand design in different phases: Brand understanding and research, Defining brand design strategy, and brand positioning.

Yellow Slice is a top web and UX design firm, but do you have an R&D department?

We work on our Corporate Innovation Lab where we build spaces for corporations that encourage design thinking and innovation. We aim to design a lab that is tailored to the needs of each company and its diverse group of employees. Another interesting thing we do at our organization is conducting #yellowdays -where we reserve every Friday for learning a new skill and unleashing creativity. At the end of the day, what really matters is the quality of our UX design work and the craftsmanship that goes into it. The digital products and user interfaces we create are easy to use, look great, and represent your brand in the best way possible.

What are the differences between mobile app UX design and web UX design?

Mobile app UX design differs from web UX design in several ways. These include smaller screen sizes, touch-based interactions, performance optimization, contextual factors, offline capabilities, and navigation patterns. While some principles and best practices apply to both, designers need to consider these differences when creating a user experience.

How can I keep up with the latest trends and innovations in mobile app UX design?

To stay ahead with the latest developments in mobile app UX design , you can: read industry publications and blogs, attend conferences and events, join online communities, follow thought leaders on social media, and experiment with new tools and techniques. By staying up-to-date, you can create innovative and effective user experiences.

What are the common mistakes to avoid in mobile app UX design?

There are several common mistakes that designers and developers should avoid in mobile app UX design. These include overcomplicating the design, neglecting usability testing, ignoring platform guidelines, poor navigation, and slow load times. To avoid these mistakes, prioritize simplicity, usability testing, following platform guidelines, clear navigation, and optimizing app performance. By avoiding these mistakes, designers and developers can create mobile app user experiences that are engaging, intuitive, and effective.

What is the role of user research in mobile app UX design?

User research is a crucial aspect of mobile app UX design, as it helps designers and developers better understand users' needs and behaviors. This understanding can be gained through various research methods, such as surveys, interviews, and usability testing, and used to create engaging and effective mobile app experiences.
User research can also identify areas for improvement in existing apps, leading to a more user-friendly experience that attracts and retains users. Overall, user research should be conducted throughout the design and development process to ensure the final product meets the target audience's needs and expectations.

What tools and software do I need to design a mobile app UX?

To design a mobile app UX, there are several commonly used tools and software options, including Sketch, Adobe XD, Figma, InVision, and Marvel. Other options include Axure, Balsamiq, and UXPin. The specific tools and software chosen depend on individual design needs, preferences, and budgets.

How can a UI/UX design studio benefit any business or brand?

A UI/UX design studio can greatly benefit any business or brand by creating a positive user experience for their digital products. A well-designed user interface can improve customer engagement and retention, while a good user experience can help to build brand loyalty and increase conversions. By understanding user needs and behaviors, a UI/UX design studio can create interfaces that are intuitive and easy to use, leading to increased user satisfaction and decreased user frustration.
Ultimately, investing in a UI/UX design studio can help businesses and brands stand out in an increasingly competitive digital landscape.

What makes a UI/UX design studio different from a traditional design agency?

A UI/UX design studio is a specialized agency that focuses solely on creating intuitive, user-friendly interfaces and experiences for digital products. Unlike a traditional design agency that may offer a range of creative services, a UI/UX design studio has a dedicated team of experts in user research, information architecture, and interaction design. They employ a user-centered design approach to ensure that the end product is not only visually appealing but also easy to use and meets the needs of its target audience.

What should I look for when choosing a UI/UX design studio for my project?

Choosing the right UI/UX design studio for your project involves a few important considerations. Start by reviewing the studio's portfolio and expertise, making sure they align with your project goals and industry. Look for a team with diverse skills and experience, that communicates clearly and keeps you informed throughout the process. It's also important to consider the studio's design process and whether it aligns with your project timeline and goals. Finally, look for transparency in pricing and a willingness to work with your budget. By taking the time to consider these factors, you can ensure you choose the right partner for your project.

How can I optimize my mobile app UX design for better conversion rates?

To optimize mobile app UX design for better conversion rates, keep it simple, ensure fast load times, use clear and recognizable icons, make it easy to navigate, use colors effectively, test and iterate, and provide a seamless checkout process. By following these tips and continually refining your design, you can optimize your mobile app UX design and improve your conversion rates.

What are some of the emerging trends in mobile app UX design?

Some of the emerging trends in mobile app UX design include:

  • Dark mode:Dark mode is becoming increasingly popular as it reduces eye strain, improves battery life, and provides a sleek, modern look.
  • Gesture-based interfaces:Gestures are replacing traditional buttons and menus, allowing users to interact with apps more naturally.
  • Personalization:Personalized content and experiences are becoming more common, with apps using data and AI to offer tailored recommendations and suggestions.
  • Voice interaction: Voice assistants and voice commands are becoming more prevalent, allowing users to navigate apps and perform tasks without having to type.
  • Augmented reality (AR): AR is being used in mobile apps to provide immersive experiences, such as virtual try-ons for clothing or furniture.

These trends are likely to continue shaping the future of mobile app UX design.

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