Best Mobile App UI/UX Design Companies in the USA

At LenGreo, we position ourselves as both a marketing and tech partner, working closely with B2B companies across a wide range of industries. We don’t rely on pre-set packages – instead, we focus on tailoring strategies based on each client’s goals. From the first consultation to ongoing delivery, we prioritize transparency and active collaboration, integrating with internal teams and taking ownership of key marketing activities.

We’ve supported clients in fields such as software development, architecture, biotech, and cybersecurity. Our work includes SEO campaigns that have delivered tens of thousands of daily clicks, outreach that’s led to hundreds of B2B opportunities, and paid ad strategies that reduce lead costs while improving quality. These results reflect the hands-on approach we bring to each engagement, always focused on measurable impact.

Our team operates out of Amsterdam and Kyiv and has strong operational ties to the United States, offering the flexibility to meet in person within Central Europe. We stay proactive, frequently aligning with clients through regular updates and optimization cycles. Whether it’s SEO, content, lead generation, or digital strategy, we aim to build long-term, value-driven relationships that support scalable growth.

النقاط الرئيسية:

• Offices in Amsterdam and Kyiv with operational presence in the United States
• Project work spans biotech, sports tech, cybersecurity, and software
• SEO campaigns focused on sustained, large-scale traffic growth
• Paid strategies optimized for lead quality and reduced acquisition costs
• Available for in-person meetings across Central Europe
• Emphasis on team integration and results-oriented delivery

Services:

• B2B Digital Marketing Strategy & Consulting
• SEO (including Local SEO, Link Building, White Label SEO)
• تطوير وتصميم المواقع
• Paid Advertising (Google, Meta, LinkedIn)
• Lead Generation & Appointment Setting
• جيل الطلب
• وسائل التواصل الاجتماعي والتسويق بالمحتوى

Contacts:

• موقع إلكتروني: لينغريو
• Email: hi@lengreo.com
• رقم الهاتف: +31 686 147 566
• ينكدين: لينغريو
• انستقرام: @lengreo
• تويتر: @لينجريو

Our cases

SEO for BIM & VDC Services Provider

PPC For Adult Content Platform

Biological Age Blood Testing Kit

Momentum Design Lab delivers human-centered design solutions grounded in data-driven AI. The company partners with a wide range of clients – from early-stage startups to large global enterprises – to improve user experiences and foster meaningful interactions between businesses and their customers. Its design thinking approach allows for flexibility in addressing specific business needs, whether developing a quick proof of concept or crafting a full-scale product strategy.

The team at Momentum Design Lab combines designers, strategists, and technologists to bring a balanced perspective to each project, merging creativity with technical precision. With offices located in Silicon Valley, New York City, and London, the company works with international clients to design digital products and services that are aligned with user expectations and long-term business objectives. Momentum Design Lab also integrates AI and other emerging technologies to help organizations stay ahead in a constantly evolving digital landscape.

النقاط الرئيسية:

• Offices in Silicon Valley, New York City, and London
• Combines design thinking with AI and emerging technologies
• Works across industries with a human-centered approach
• Offers both rapid prototypes and large-scale transformation programs

Services:

• Innovation Strategy
• تصميم الخبرة
• Strategy & Architecture
• Product Engineering
• Emerging Technologies (AI, ML, IoT, Blockchain, AR/VR, Edge Computing)

Contacts:

• Website: www.momentumdesignlab.com
• E-mail: hello@Momentumio.com
• Facebook: www.facebook.com/momentumdesignlab
• Twitter: x.com/momentumdl
• LinkedIn: www.linkedin.com/company/momentumdesignlab
• Instagram: www.instagram.com/momentumdl
• Address: 125 W 25th St New York, NY 10001
• Phone: +1 650 753 8157

Dreamten is a results-focused design studio that partners with ambitious companies to craft high-quality digital products – including apps, websites, and brand identities. With experience serving both startups and enterprise-level clients across a variety of industries, Dreamten’s team is known for their collaborative approach, exceptional design execution, and ability to deliver measurable business results. Their projects include work for a premium restaurant club, a leading retirement plan provider, and G2’s top-ranked conversation intelligence platform. They also played a key role in overhauling the design for a major sales data platform.

The company is praised by clients for its responsiveness, creativity, and leadership. Testimonials on their site highlight Dreamten’s consistent delivery of projects on time and within budget, while also exceeding expectations in design quality, conversion performance, and strategic insight. Clients such as Fathom, RepVue, and PetScreening cite Dreamten as instrumental to their growth and product evolution. With a team that blends speed, innovation, and deep product thinking, Dreamten positions itself as a world-class studio that values both aesthetics and business outcomes.

النقاط الرئيسية:

• Established in 2006 with a focus on user experience design.
• Headquartered in Raleigh, North Carolina, serving clients both locally and internationally.
• Recognized by Clutch as a top UX design agency in multiple years.
• Client portfolio includes companies such as AARP, Apple, Microsoft, and PetScreening.

Services:

• Strategize: Design workshops, user research, persona development, competitor analysis, UX audits, and roadmapping.
• Visualize: UX/UI design, website design, illustration and iconography, animation and video, branding and logos, marketing collateral.
• Systemize: Design systems, UI kit development, Tailwind CSS integration, developer documentation.
• Maximize: Conversion rate optimization, growth strategy, search engine optimization, data and analytics.

Contacts:

• Website: www.dreamten.com
• Twitter: x.com/dreamteninc
• LinkedIn: www.linkedin.com/company/dreamten
• Instagram: www.instagram.com/dreamteninc
• Address: 1 Glenwood Ave, 4th Floor Raleigh, NC 27603

IDEO is a global design and innovation company that has worked with organizations for over four decades to address complex challenges through design. Their work focuses on shaping products, services, and systems that reflect a deep understanding of human behavior and future needs. IDEO collaborates across industries, bringing together multidisciplinary teams to explore possibilities and build tangible outcomes that align with long-term goals.

The company’s practice spans three key areas: Breakthrough Products, Strategic Futures, and Creative Capabilities. From reimagining retail experiences to shaping climate-focused innovation strategies, IDEO combines vision-driven thinking with practical application. Their projects include work with organizations like Boom Supersonic, Omada Health, QVC, and Conservation International, emphasizing a commitment to future-oriented and inclusive design.

النقاط الرئيسية:

• Projects span industries such as healthcare, education, retail, climate, and aviation.
• Developed initiatives for clients including Boom Supersonic, QVC, NYU, and The Earthshot Prize.
• Hosts IDEO U, an online learning platform focused on design thinking and strategic innovation.
• Engaged in sustainability and social impact efforts through collaborations with organizations like Conservation International and Closed Loop Partners.

Services:

• Breakthrough Products: Design of products, brands, services, and experiences across sectors.
• Strategic Futures: Development of long-term strategic visions through tangible prototypes and future-oriented planning.
• Creative Capabilities: Building skills and tools within organizations to support innovation, transformation, and resilience.
• IDEO U: Courses and workshops on topics like strategy design, AI in design, and organizational change.

Contacts:

• Website: www.ideo.com
• Facebook: www.facebook.com/IDEOprofile
• Twitter: x.com/ideo
• LinkedIn: www.linkedin.com/company/ideo
• Instagram: www.instagram.com/ideo

UX Studio is a design agency focused on creating user-centered digital products and experiences. Based in Budapest, Hungary, the company specializes in UI/UX design and research. Their portfolio includes projects for diverse sectors such as health and wellbeing, education, finance, and software solutions. UX Studio emphasizes collaboration with clients to develop impactful solutions that simplify user journeys and improve engagement.

The company combines design expertise with research to address real user needs, often redesigning digital platforms to enhance usability and accessibility. Their work includes partnerships with organizations like the United Nations, Samsung, Netflix, and Telekom, illustrating a broad scope of applications. UX Studio also offers training and consulting services aimed at helping clients build internal UX capabilities and optimize product strategies.

النقاط الرئيسية:

• Work spans health, education, finance, and software sectors.
• Clients include Samsung, United Nations, Netflix, Telekom, and Crowdstrike.
• Focus on simplifying user journeys and improving conversions.
• Offers UX training and consulting to support organizational growth.

Services:

• UI/UX Design and Redesign
• Visual Identity Design
• UX Design & Research for AI
• UX Research and UX Audit
• Expert Review and Discovery
• UX Consulting and Design System Refinement
• UX Training and Workshops

Contacts:

• Website: www.uxstudioteam.com
• E-mail: hello@uxstudioteam.com
• LinkedIn: www.linkedin.com/company/uxstudio
• Instagram: www.instagram.com/uxstudioteam

Goji Labs is a product development company specializing in building software solutions that help businesses scale and innovate. The company works with startups and established brands alike, offering a collaborative approach that integrates design, engineering, and product strategy. Their focus is on creating digital products that meet user needs and adapt to changing markets.

The team at Goji Labs combines technical expertise with user-centered design practices to deliver products efficiently while maintaining quality. They support clients throughout the entire product lifecycle, from initial concept and design to development and ongoing improvement. Their experience spans various industries, emphasizing flexibility and responsiveness to client goals.

النقاط الرئيسية:

• Expertise in product design and software engineering.
• Collaborative process combining design, engineering, and strategy.
• Experience working with startups and established companies.
• Focus on user-centered product development.
• Support through the full product lifecycle.
• Emphasis on adaptability and scalable solutions.

Services:

• Product Design and Prototyping
• تطوير البرمجيات
• Product Strategy and Consulting
• تصميم تجربة المستخدم/واجهة المستخدم
• Technical Architecture and Engineering
• Ongoing Product Support and Optimization

Contacts:

• Website: gojilabs.com
• E-mail: hello@gojilabs.com
• Twitter: x.com/gojilabs
• LinkedIn: www.linkedin.com/company/goji-labs
• Instagram: www.instagram.com/goji_labs
• Phone: +1 (213) 787-7640

Kanda Software is a technology company focused on custom software development, cloud engineering, QA, DevOps, and data analytics. They work on a range of projects that require scalable and secure solutions, often supporting clients in industries such as healthcare, life sciences, fintech, and real estate. Kanda emphasizes close collaboration with clients, integrating agile development processes and protecting intellectual property throughout the software lifecycle. Their teams adapt resource allocation dynamically to meet evolving project demands.

The company’s expertise includes delivering solutions involving AI and machine learning, mobile app development, and digital transformation initiatives. Kanda has a history of partnering with clients on complex software projects, including HIPAA-compliant healthcare applications and precision medicine platforms. Their engineering teams help clients modernize legacy systems and move toward cloud-native environments while ensuring operational efficiency and security.

النقاط الرئيسية:

• US-based delivery managers collaborate closely with client product owners to ensure timely and quality product delivery
• Expertise in AI/ML, DevOps, cloud migration, and scalable application development
• Proven experience in healthcare software development with HIPAA compliance
• Recognition by industry bodies including Microsoft Gold Partner and AWS Advanced Consulting Partner
• Long-term client relationships with companies like Trapelo and Lookout
• Flexible team scaling to optimize cost, timing, and skills mix during development lifecycles

Services:

• تطوير البرمجيات المخصصة
• Mobile Application Development (iOS, Android, cross-platform)
• UX/UI Design focused on user engagement and functionality
• Digital Transformation and cloud modernization
• Cloud Engineering across private, public, and hybrid environments
• DevOps services for continuous integration and delivery
• Quality Assurance and Testing integrated with development
• Data Analytics and Big Data consulting
• AI and Machine Learning application development
• Maintenance and Support for ongoing software operations

Contacts:

• Website: www.kandasoft.com
• E-mail: contact@kandasoft.com
• Twitter: x.com/kandasoftware
• LinkedIn: www.linkedin.com/company/kanda-software
• Address: 115 W 18th St., 2nd Floor New York, NY 10011
• Phone: 617-340-3850

Lounge Lizard is a full-service web design and digital marketing agency established in 1998, with offices across the United States including New York City, Long Island, Washington D.C., Nashville, Los Angeles, Miami, Charleston, Richmond, Las Vegas, and Austin. The agency specializes in creating custom websites that blend innovative design, user-centric UI/UX, and brand storytelling to drive high conversions and business growth. Their services include responsive website design and development, eCommerce solutions, SEO, content strategy, and digital marketing campaigns focused on lead generation and customer acquisition.

Renowned for their collaborative and client-centered process, Lounge Lizard combines creative strategy with technical expertise to deliver measurable results. Their portfolio includes successful projects for clients such as Blue Owl, AVA Colorado, and Winspire, often driving significant increases in organic traffic, sales leads, and user engagement. Clients praise the agency for professionalism, timely delivery, proactive communication, and a deep understanding of business goals, positioning Lounge Lizard as a trusted partner for web design and marketing needs.

النقاط الرئيسية:

• Focus on user-centered web design and development
• Offers integrated digital marketing solutions
• Works with a diverse range of industries and business sizes
• Combines creativity with technical know-how
• Provides ongoing support and optimization

Services:

• تصميم وتطوير الموقع
• Branding and identity creation
• تحسين محركات البحث (SEO)
• تسويق وسائل الاعلام الاجتماعية
• Digital advertising campaigns
• استراتيجية المحتوى وإنشاءه

Contacts:

• Website: www.loungelizard.com
• E-mail: sales@loungelizard.com
• الفيسبوك: www.facebook.com/pages/Lounge-Lizard-Worldwide-Inc/43528043595
• Twitter: x.com/LoungeLizardWW
• لينكد إن: www.linkedin.com/company/lounge-lizard-worldwide-inc.
• انستقرام: www.instagram.com/loungelizardww
• Address: 112 West 34th Street 18th Floor New York, NY 10120
• Phone: 1-888-444-0110

Ramotion is a design agency focused on bridging product development and brand building for companies with significant technology components. The agency works with digital products and brands at various stages – from startups to established businesses – helping them create consistent and impactful experiences across multiple touchpoints. Their approach centers on combining product and brand expertise to support growth and user engagement.

Ramotion offers a broad range of design and development services that align product strategy with brand identity. They collaborate with clients across industries and sizes, delivering solutions that integrate design systems, user interface and experience design, web and app development, and marketing strategies tailored to each client’s needs.

النقاط الرئيسية:

• Works with a wide range of clients, from startups to established firms
• Specializes in technology-driven products and brands
• Emphasizes consistent experiences across all customer touchpoints
• Collaborates with well-known clients such as Netflix, Stripe, Adobe, and Salesforce

Services:

• Brand strategy and branding
• UI/UX design for web and mobile applications
• Web design and web app development
• Design systems creation and implementation
• Packaging and printing design
• Video production and PR campaigns
• Go-to-market strategy and social media marketing (SMM)
• Product writing and data science integration

Contacts:

• Website: www.ramotion.com
• E-mail: newbusiness@ramotion.com
• Twitter: x.com/ramotion
• LinkedIn: www.linkedin.com/company/ramotion
• Instagram: www.instagram.com/ramotion
• Address: 475 7th Ave, San Francisco, CA, 94118, United States
• Phone: +1 415 831 7880

Suffescom Solutions is a software and app development company that focuses on delivering digital products tailored to diverse business needs. The company works with clients ranging from startups to mid-sized enterprises and government organizations, offering services that include mobile and web app development, blockchain platforms, and AI-powered solutions. Their approach emphasizes creating scalable, user-friendly applications that align with the specific goals and operational requirements of their clients.

With experience across various industries such as healthcare, fintech, education, supply chain, and marketing, Suffescom Solutions integrates modern technologies to support business growth and innovation. They hold certifications like ISO 9001 and ISO 27001, indicating a commitment to quality and security standards.

النقاط الرئيسية:

• ISO 9001 & ISO 27001 certified
• Experience with startups, mid-scale enterprises, government bodies, and NGOs
• Industry expertise includes healthcare, fintech, education, supply chain, marketing, and more
• Recognized by multiple industry awards over the past decade

Services:

• Mobile app development (iOS, Android, cross-platform)
• Web application design and development
• AI application development
• Blockchain and decentralized platform development
• Metaverse and VR game development
• Chatbot creation for enhanced customer interaction
• Digital product consulting and strategy
• Web3 and crypto-related solutions

Contacts:

• موقع الكتروني: www.suffescom.com
• E-mail: idea@suffescom.co
• الفيسبوك: www.facebook.com/SuffescomSolutions
• Twitter: x.com/suffescom
• LinkedIn: www.linkedin.com/company/suffescom
• انستقرام: www.instagram.com/suffescom_solutions
• Address: 600 N Broad Street Suite 5 #3858 Middletown, DE 19709
• Phone: 1-844-899-0003 

Stfalcon is a software development company, specializing in building custom web services and mobile applications. The company follows the ISO 9001:2015 management system standard, which supports its structured approach to quality and project management. Stfalcon’s team includes more specialists working on a variety of projects, ranging from marketplaces and CRM systems to fitness and delivery apps.

The company has contributed to notable projects across multiple industries, such as transport, logistics, healthcare, and fitness. Examples include collaboration on mobile apps for Ecolines, Nova Poshta, and the Air Alert missile warning app developed in partnership with the Ministry of Digital Transformation of Ukraine. Their work emphasizes creating user-friendly and scalable solutions using modern technologies in backend, frontend, and mobile development.

النقاط الرئيسية:

• Operates under ISO 9001:2015 management system
• Notable projects include Air Alert, Nova Poshta dashboard, and STRONGMom fitness app
• Technology stack includes PHP, Symfony, JavaScript, React, Flutter, Kotlin, and more

Services:

• Web Development (marketplaces, CRM, TMS, ERP)
• Mobile Development (iOS, Android, cross-platform)
• Magento Development (custom services)
• تصميم واجهة المستخدم/تجربة المستخدم
• DevOps (infrastructure and scalability)
• IoT Application Development

Contacts:

• Website: stfalcon.com
• E-mail: hello@stfalcon.com
• Facebook: www.facebook.com/stfalconcom
• Twitter: x.com/stfalconcom
• LinkedIn: www.linkedin.com/company/stfalconcom
• Instagram: www.instagram.com/stfalconcom
• Address: Ukraine, Khmelnytskyi, Shevchenka St. Estonia, Tallinn, Sakala St.
• Phone: +1 205 383 11 29

Arounda is a UI/UX design agency that focuses on creating digital products by combining user needs with business goals. Their approach centers on human-centered design, aiming to improve user retention, satisfaction, and conversion rates. The company has completed many projects across various industries, earning positive client reviews and notable recognition on platforms such as Clutch, Dribbble, and GoodFirms. Their design process integrates both business-driven and user-centered strategies to deliver solutions that align with their clients’ objectives.

The agency has worked with a range of clients, including startups and established companies, providing services that contribute to improved engagement, brand perception, and reduced churn rates. Projects such as those WordPress, Player’s Health, and MojoCX illustrate their ability to enhance digital products by elevating user experience and supporting business growth through design.

النقاط الرئيسية:

• Recognized on platforms such as Clutch, Dribbble, and GoodFirms
• Experience working across a wide variety of industries
• Webflow Professional Partner with a focus on modern design tools
• Emphasis on transparent project management with regular updates and tracked progress

Services:

• تصميم واجهة المستخدم/تجربة المستخدم
• تصميم الويب
• Mobile Design
• هوية العلامة التجارية
• التصميم الجرافيكي
• Product Discovery
• Proof of Concept
• UX Audit
• UI Concept Development
• Pitch Deck Creation
• تطوير تدفق الويب
• تطوير الصفحة المقصودة
• تطوير الشبكة
• تطوير المحمول
• DevOps
• MVP Design
• Product Redesign
• Team Extension

Contacts:

• Website: arounda.agency
• E-mail: info@arounda.agency
• Facebook: www.facebook.com/arounda.agency
• Twitter: x.com/arounda_agency
• LinkedIn: www.linkedin.com/company/arounda/mycompany
• Instagram: www.instagram.com/arounda.agency
• Address: FL, United States 4th Street North

Lollypop Design Studio USA specializes in UI/UX design services focused on digital products for B2B SaaS and enterprise clients. The company emphasizes understanding user behavior and current digital trends to create intuitive and visually appealing designs. Their process includes discovery workshops, prototyping with real user feedback, and final product development to deliver scalable and adaptable digital solutions. They work with a broad range of clients from startups to large enterprises, supporting projects through every stage from concept to launch.

The studio also offers a range of research methods, including heuristic analysis, usability testing, and ethnographic research, to inform their design strategies. Their expertise covers various digital design areas such as digital branding, interaction design, motion graphics, and product design consulting. With multiple offices across the USA and international locations, Lollypop integrates creative design with development capabilities to provide comprehensive digital product solutions.

النقاط الرئيسية:

• Focus on UI/UX design for B2B SaaS and enterprise products
• Structured three-step process: discovery workshop, design & test, build & launch
• Works with startups through Fortune 500 companies
• Employs user research methods including usability testing and heuristic analysis
• Multiple global offices including San Jose, Dallas, and Salt Lake City
• Recipient of various design awards such as A’Design Award and DNA Paris Design Award

Services:

• UX research (heuristic analysis, usability testing, ethnographic research)
• User interface and user experience design
• Digital branding and interaction design
• Digital prototyping and motion graphics
• Web and mobile app design and development
• Front-end development and custom application development
• SaaS implementation and product design consulting

Contacts:

• Website: lollypop.design
• Facebook: www.facebook.com/lollypop.india
• Twitter: x.com/lollypop_studio
• LinkedIn: www.linkedin.com/company/lollypop-studio
• Instagram: www.instagram.com/lollypop.design

Eleken is a design agency focused on creating user interface and user experience solutions for digital products. The company specializes in collaborating with startups and established businesses to craft websites, web applications, and mobile app designs that aim to improve user engagement and clarity. Their approach combines research, usability testing, and iterative design to align the product’s interface with the needs of its target audience.

The team at Eleken works through a structured design process, starting from understanding the client’s business goals and user expectations to delivering prototypes and finalized designs. Their workflow often includes close cooperation with product managers and developers to ensure that the design solutions are practical and implementable. The agency’s portfolio includes projects across various industries, reflecting adaptability and focus on user-centered design.

النقاط الرئيسية:

• Specializes in UI/UX design for startups and businesses
• Focuses on user research and usability testing
• Offers iterative design with prototypes and final deliverables
• Collaborates closely with product teams and developers
• Experience across diverse industries

Services:

• User Interface (UI) Design
• تصميم تجربة المستخدم (UX).
• تصميم الويب
• Mobile App Design
• Usability Testing and User Research

Contacts:

• Website: www.eleken.co
• Facebook: www.facebook.com/eleken.agency
• LinkedIn: www.linkedin.com/company/eleken/mycompany
• Instagram: www.instagram.com/elekenagency
• Address: Eleken Design Ltd 920-736 Granville ST Vancouver BC V6Z 1G3 Canada