10 Mobile-First UX 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): 2:1

2. Process Maturity: High

3. AI Design Experience: High

4. Client Communication (Meetings + Daily Updates): PM-led updates + Slack access

5. App/Web Dev Support: Frontend + Webflow-ready handoffs

6. Office Culture: Remote-first, async-friendly

Emerge Interactive

Emerge is one of the most established mobile-first UX design agencies, with a strong track record in healthcare and B2C industries.

Their work emphasizes accessibility, responsive design patterns, and scalable component libraries that work seamlessly across iOS and Android ecosystems. Emerge uses data-informed audits and structured design sprints to ensure every mobile interaction is optimized for clarity and performance.

They excel in complex products where mobile experience is not just a companion but the primary touchpoint. From health dashboards to customer engagement apps, their expertise ensures intuitive navigation, readable content, and reliable accessibility standards.

For teams that want enterprise-level rigor combined with modern mobile sensibilities, Emerge is a solid choice.

1. Employees-to-Client Ratio (Bandwidth): 3:1

2. Process Maturity: High

3. AI Design Experience: Medium

4. Client Communication: Weekly stakeholder sync

5. App/Web Dev Support: Yes

6. Office Culture: Portland-based hybrid

Outcrowd

Outcrowd has become well-known among mobile-first UX design agencies for their ability to deliver bold, minimalistic app interfaces that stand out in crowded marketplaces.

They are especially good for early-stage startups that want to launch consumer-facing products with a strong visual identity and seamless onboarding flows. Outcrowd’s design style is edgy yet practical, incorporating animations, microinteractions, and smart transitions that feel natural on mobile devices.

Their strength lies in speed and creativity. Startups often rely on them to rapidly prototype new features, test UI concepts, and evolve designs quickly without bloated processes. While their focus is primarily on design and not engineering, their Figma outputs are developer-friendly.

If you need a mobile-first product with a distinctive style and smooth performance, Outcrowd is an excellent partner.

1. Employees-to-Client Ratio (Bandwidth): 2:1

2. Process Maturity: Medium

3. AI Design Experience: Medium

4. Client Communication: Async-first

5. App/Web Dev Support: No

6. Office Culture: Remote creative studio

Uptech

Uptech is one of the few mobile-first UX design agencies that balances product discovery, design, and engineering support for early-stage companies.

They specialize in creating MVPs and full-scale apps that work beautifully on mobile platforms, ensuring usability and performance are top priorities. Uptech follows a structured process that includes user research, journey mapping, and validation testing before handing off designs to development.

Their strength lies in SaaS, fintech, and marketplace apps where users expect smooth onboarding and quick time-to-value. They work in agile sprints, offering biweekly reviews that keep founders and product managers tightly aligned.

With a strong product-first culture, Uptech ensures that every mobile flow is logical, scalable, and ready to support growth.

1. Employees-to-Client Ratio (Bandwidth): 2:1

2. Process Maturity: High

3. AI Design Experience: Medium

4. Client Communication: Biweekly sprints

5. App/Web Dev Support: Yes

6. Office Culture: Product-focused remote team

Ramotion

Ramotion is widely recognized for their polished UI and brand-consistent design systems, making them a premium choice among mobile-first UX design agencies.

They have worked with multiple VC-backed startups, delivering mobile-first products that are both visually compelling and functionally reliable. Ramotion’s strength lies in aligning branding with usability, ensuring every mobile screen feels consistent and intuitive.

Their process is ideal for B2C and marketplace apps where first impressions drive user trust and adoption. Developers also appreciate their detailed Figma outputs, which include reusable components and pixel-perfect specifications.

For startups looking to create standout mobile apps that combine elegance with performance, Ramotion is one of the strongest partners available.

1. Employees-to-Client Ratio (Bandwidth): 3:1

2. Process Maturity: High

3. AI Design Experience: Low

4. Client Communication: Weekly syncs

5. App/Web Dev Support: Yes

6. Office Culture: San Francisco-based hybrid

Netguru

Netguru is a powerhouse in Europe, offering both design and development capabilities under one roof.

As one of the top mobile-first UX design agencies, they handle everything from discovery and research to design systems and engineering. Their scale allows them to support startups as well as enterprises, making them versatile across industries like fintech, eCommerce, and productivity tools.

Netguru’s design-to-code process ensures smooth delivery pipelines, reducing friction between design and dev teams.

Their motion design expertise also makes mobile products feel smooth and modern. For companies that need a reliable partner with global reach and a proven track record, Netguru delivers consistent excellence.

1. Employees-to-Client Ratio (Bandwidth): 4:1

2. Process Maturity: Very High

3. AI Design Experience: High

4. Client Communication: PM + Squad model

5. App/Web Dev Support: Full-stack

6. Office Culture: Hybrid (Europe-based)

Zajno

Zajno brings creativity and motion into every mobile-first project, making them one of the most unique mobile-first UX design agencies.

They focus on industries like media, entertainment, and fintech, where design must not only look great but also keep users engaged in dynamic contexts. Zajno’s style blends modern motion, bold typography, and user-friendly navigation tailored for small screens.

Their Figma handoffs are dev-ready, with thorough annotations that reduce engineering guesswork. For founders seeking apps that feel cinematic yet functional, Zajno is a strong design partner.

1. Employees-to-Client Ratio (Bandwidth): 2:1

2. Process Maturity: Medium

3. AI Design Experience: Low

4. Client Communication: Weekly design reviews

5. App/Web Dev Support: Yes

6. Office Culture: Creative hybrid

Wandr

Wandr positions itself as a lean partner for startups building mobile-first B2B products.

Unlike larger mobile-first UX design agencies, Wandr focuses heavily on UX architecture and MVP-grade flows rather than just flashy visuals. Their approach is systematic, ensuring that every feature supports business objectives and user needs.

They work closely with founders, often filling gaps in product management and guiding teams through the discovery-to-MVP cycle. Wandr’s work is particularly strong in SaaS and enterprise-lite tools, where efficiency and clarity are critical for user adoption.

For resource-constrained startups needing speed and strategy, Wandr provides the right mix of guidance and execution.

1. Employees-to-Client Ratio (Bandwidth): 2:1

2. Process Maturity: Medium

3. AI Design Experience: Medium

4. Client Communication: PM-led updates

5. App/Web Dev Support: No

6. Office Culture: Remote-first