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Home Software Developers Kotlin United States

Top Kotlin Developers in the United States

Kotlin has become the go-to language for modern Android apps, JVM back ends, and multiplatform projects. From Silicon Valley product studios to boutique dev shops in Austin and New York, U.S. teams are pushing the limits of what Kotlin can do.

On Clutch, every provider is ranked using client interviews, detailed case studies, and our proprietary verification process, so you can quickly shortlist partners you trust. Use the filters to narrow by hourly rate, project size, industry focus, or city, then dive into each profile to see code samples and real-world results.

Ready to explore? Check out these helpful resources:

• Top Kotlin Developers

• Kotlin Developers in New York

• Kotlin Developers in California

• Kotlin Developers in Illinois

Ratings Updated: October 1, 2026
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15 Leaders 15 Contenders

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788 Companies

Country: United States
Programming & Scripting: Kotlin

List of the Top United States Kotlin Development Services

  • Best American Website Designer Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Katy, TX

    Services provided

    10% AR/VR Development
    10% Branding
    10% Content Marketing +8
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    10% Web Development
    5% Digital Strategy
    5% Email Marketing

    Focus Areas

    36% Kotlin
    36% Redux
    14% AJAX +1
    14% Ember.js

    Best American Website Designer, a midsize branding company, is headquartered in Katy, Texas. The team focuses on Branding and Social Media Marketing.

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  • Convo Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    50 - 249
    Los Altos, CA

    Services provided

    50% IT Staff Augmentation
    20% AI Consulting
    10% Application Management & Support +2
    10% Microservices Architecture Services
    10% Mobile App Development

    Focus Areas

    30% Kotlin
    20% Java
    20% JavaScript +3
    10% C#
    10% Python
    10% SQL

    Convo is an IT staff augmentation company. Their team is based in Los Altos, California and Scottsdale, Arizona and provides IT staff augmentation and AI Consulting.

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  • ZS Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Hudson, OH

    Services provided

    20% Custom Software Development
    20% Application Management & Support
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    20% Kotlin
    20% Other programming & scripting languages
    20% PHP +2
    20% Python
    20% Ruby

    Located in Hudson, Ohio, ZS is a small software development company. Their services include Custom Software Development and Web Development.

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  • CAM Software, LLC Logotype

    Not yet reviewed

    $50,000+
    $200 - $300 / hr
    2 - 9
    Bentonville, AR

    Services provided

    70% Mobile App Development
    30% IT Strategy Consulting

    Focus Areas

    30% Kotlin
    30% Swift
    25% Typescript +3
    5% Java
    5% JavaScript
    5% Objective C

    CAM Software, LLC is an app development company. In Bentonville, Arkansas, the company was established in 2022. Their services include Mobile App Development and IT strategy consulting.

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  • Ten Forward Consulting Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Madison, WI

    Services provided

    45% Custom Software Development
    25% Mobile App Development
    20% Web Development +1
    10% Cybersecurity

    Focus Areas

    10% Kotlin
    40% Ruby
    30% JavaScript +2
    10% SQL
    10% Swift

    Ten Forward Consulting is a custom software development company. The team offers Custom Software Development and Mobile App Development, and the agency is based in Madison, Wisconsin.

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  • Conceptual Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    New York, NY

    Services provided

    30% Custom Software Development
    30% Mobile App Development
    20% Web Development +2
    10% AI Development
    10% IoT Development

    Focus Areas

    10% Kotlin
    50% Python
    30% JavaScript +1
    10% Swift

    Conceptual is a custom software development company. Launched in 2020, their team offers Custom Software Development and Mobile App Development.

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  • Vanguard Solution Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    10 - 49
    Cheyenne, WY

    Services provided

    25% UX/UI Design
    25% Web Development
    15% Web Design +4
    10% Email Marketing
    10% Low/No Code Development
    10% Marketing Strategy
    5% Robotics Process Automation

    Focus Areas

    10% Kotlin
    10% ASP.NET
    10% C# +10
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% Python
    5% AJAX
    5% Go
    5% Java
    5% Redux
    5% SQL
    5% jquery

    Vanguard Solution is a company specializing in business process automation and information streamlining. Feedback from their clients is overwhelmingly positive, with 100% highlighting their exceptional customer service, timely delivery, and effective communication. Clients appreciate their alignment with budgetary constraints and the passion demonstrated by the company's owners.

    See all 1 projects

    Industry Experience

    Vanguard Solution has demonstrated expertise in the Wellness & Fitness industry, successfully streamlining business operations and automation for clients. Review feedback highlights their strengths in customer service, communication, and meeting project deadlines. The overall sentiment is highly positive, indicating that they are well-suited for wellness-focused projects. Potential clients in this sector can expect a collaborative partnership that prioritizes responsiveness and client satisfaction.

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    Wellness & Fitness

    Average Project Cost Breakdown

    What Clients Have Said

    Clients express a positive sentiment regarding Vanguard Solution's pricing, noting it fits within their budgets while delivering substantial value. One client highlighted the company's pricing as a decisive factor for selection, alongside a great cultural fit. The feedback emphasizes exceptional customer service and timely project delivery, reinforcing the perception of a strong return on investment. Overall, clients feel they receive quality services commensurate with the costs involved.
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  • Techfront Studios Logotype

    4.9 7 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Mesa, AZ

    Services provided

    30% Custom Software Development
    30% Mobile App Development
    10% AR/VR Development +3
    10% Application Management & Support
    10% E-Commerce Development
    10% Wearable App Development

    Focus Areas

    15% Kotlin
    20% ASP.NET
    15% Swift +10
    5% ASP
    5% C++
    5% HTML5
    5% Java
    5% JavaScript
    5% PHP
    5% Python
    5% SQL
    5% Typescript
    5% jquery

    Techfront Studios provides UI/UX design for mobile apps, custom website development, and comprehensive web solutions, including backend support and e-commerce features. Reviews highlight their exceptional project management, timely delivery, and client-centric approach. Clients appreciate their flexibility, strong communication, and the ability to translate complex ideas into innovative solutions, though some suggest more frequent updates could enhance communication further.

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  • Zibreel Tech Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Columbus, OH

    Services provided

    40% Web Development
    30% Mobile App Development
    15% UX/UI Design +1
    15% Web Design

    Focus Areas

    15% Kotlin
    30% Java
    30% Swift +1
    25% JavaScript

    Zibreel Tech is a web development company established in 2015. Their services include Web Development and Mobile App Development.

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  • IBC MOBILE INC. Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Phoenixville, PA

    Services provided

    10% Custom Software Development
    30% Mobile App Development
    15% UX/UI Design +5
    10% AR/VR Development
    10% Low/No Code Development
    10% Web Design
    10% Web Development
    5% Wearable App Development

    Focus Areas

    14% Kotlin
    17% Swift
    11% AJAX +7
    11% Java
    11% JavaScript
    11% Objective C
    11% PHP
    6% Redux
    6% Typescript
    2% C

    As a foremost IT company in the United States, IBC Mobile Inc. implements robust strategies and offers cutting-edge solutions in Mobile & Web Application Development. Here’s how we

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  • Unfrl Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Salt Lake City, UT

    Services provided

    30% Custom Software Development
    30% Mobile App Development
    30% Web Development +1
    10% Other Application Development

    Focus Areas

    10% Kotlin
    30% C#
    30% JavaScript +3
    10% ASP.NET
    10% Go
    10% SQL

    Unfrl, a custom software development company, was established in 2019. The firm focuses on Custom Software Development and Mobile App Development, and is small.

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  • Kickstand Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Portland, OR

    Services provided

    30% Custom Software Development
    20% Mobile App Development
    20% Web Development +3
    15% AI Development
    10% E-Commerce Development
    5% Other Application Development

    Focus Areas

    10% Kotlin
    30% JavaScript
    20% Java +4
    10% Go
    10% PHP
    10% Redux
    10% Ruby

    Kickstand, a small custom software development firm, is located in Portland, Oregon. The team offers Custom Software Development and Mobile App Development.

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  • Povio Logotype

    4.8 34 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Services provided

    55% Web Development
    25% Mobile App Development
    10% AI Development +1
    10% UX/UI Design

    Focus Areas

    10% Kotlin
    45% JavaScript
    10% Java +4
    10% Ruby
    10% Swift
    10% Typescript
    5% C#

    Povio is a custom software development company offering tailored solutions with a focus on proactive problem-solving and comprehensive project management. Reviewers consistently praise Povio for its collaborative approach, with over 90% highlighting their effective communication and timely delivery. Approximately 80% of reviews commend their adaptability and dedication to client success, establishing Povio as a reliable partner in bespoke software creation and full stack development.

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    Reviews mention Unique expertise

    Clients have consistently highlighted Povio Labs' unique expertise, noting their ability to quickly onboard skilled developers and deliver high-quality work. One client emphasized their significant role in engineering, stating, "They’re doing half the work that’s required to keep our company going." Another remarked on the agency's up-to-date knowledge of technologies, praising their exposure to creative value. Overall, the sentiment regarding Povio Labs' expertise is overwhelmingly positive, with clients expressing satisfaction in their collaborative approach and technical proficiency.
    • Web Dev for Sneaker Marketplace
      4.0 Apr 11, 2023

      Povio has a product development process that followed the principles of agile development. This approach was a key aspect of their unique expertise, allowing for adaptability and iterative progress throughout the project.

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    • Development for Medical CRM Firm
      5.0 May 14, 2020

      Honestly, they’ve been pretty awesome and had a lot of technical expertise prior to working with us that allows us to get new features into the hands of our customers quickly and efficiently.

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    • App Development for Spirits Membership Service
      5.0 Oct 28, 2019

      Povio Labs has a lot of experts in their field that keep up to date with the latest technologies. It was great to be exposed to the creative value of an agency that’s working on a lot of different successful projects.

      Read Full Review
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    6 of 9 Custom Software Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Task Management Software Design for Software Company

    5.0 — Together with Povio, a software company designed a new software for real-time management of tasks and teams. The team shared their input and expertise with the client after a workshop on Read more
    Read 9 Reviews

    Industry Experience

    Povio has demonstrated expertise across various industries, including Legal, Arts and Entertainment, Media, Fitness, and Financial Services. Clients commend their professionalism, creativity, and responsiveness, particularly highlighting their ability to deliver tailored digital solutions such as websites, apps, and platforms. Overall sentiment is highly positive, with clients appreciating their project management and proactive approach, making Povio particularly suitable for projects requiring technical development and a collaborative partner.

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    Select Industry to see insights

    Legal IT Services Advertising & marketing Arts, entertainment & music Media Consumer Products Software Fitness Contracting Financial services Manufacturing Business services Healthcare Other Industry Sports Information technology

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    United States (21) Germany (4) Canada (2) Slovenia (2) Virgin Islands (British) (1) Netherlands (1) England (1)
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  • QRoom Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Hallandale Beach, FL

    Services provided

    25% Mobile App Development
    25% Web Development
    20% IT Staff Augmentation +5
    10% UX/UI Design
    5% Branding
    5% Digital Strategy
    5% Social Media Marketing
    5% Web Design

    Focus Areas

    15% Kotlin
    25% Other programming & scripting languages
    20% JavaScript +4
    15% Swift
    10% Objective C
    10% PHP
    5% Redux

    QRoom is an app development company. The Hallandale Beach, Florida-based company was established in 2010. Their team provides Mobile App Development and Web Development.

    Read more
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  • Vemara Solutions Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Neptune City, NJ

    Services provided

    20% Custom Software Development
    20% Branding
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    25% Kotlin
    25% Java
    25% JavaScript +1
    25% Swift

    Vemara Solutions, a small branding company, is located in Neptune City, New Jersey. Their services include Branding and Custom Software Development.

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  • redfox visual Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Boise, ID

    Services provided

    25% Web Design
    20% Search Engine Optimization
    20% Social Media Marketing +4
    15% Web Development
    10% AR/VR Development
    5% Branding
    5% Video Production

    Focus Areas

    34% Kotlin
    33% Ember.js
    33% Redux

    Redfox visual is a web design agency. Founded in 2014, the team offers Web Design and Social Media Marketing. The firm is in Boise, Idaho.

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  • Software Prophets Logotype

    5.0 2 reviews
    $1,000+
    $100 - $149 / hr
    2 - 9
    Painesville, OH

    Services provided

    25% Custom Software Development
    35% Web Development
    30% Mobile App Development +1
    10% Low/No Code Development

    Focus Areas

    40% Kotlin
    30% Java
    10% Go +2
    10% JavaScript
    10% Python

    Software Prophets is a bespoke software development company known for its expertise in modernizing outdated technology systems with custom software creation. Reviews highlight a 100% positive feedback rate, praising their dedication, industry knowledge, and the ability to mentor and improve internal teams.

    See all 2 projects

    Reviews mention Knowledgeable

    Clients consistently express high regard for Software Prophets' knowledgeable approach. One client noted Eric's exceptional patience and expertise, stating he turned their app idea into reality while providing invaluable advice. Another client emphasized Eric's continuous skill updates and dedication, highlighting his ability to mentor their team effectively. Overall, feedback reflects a strong sentiment of appreciation for the team's technical acumen and commitment to delivering quality solutions.
    • Mobile App Dev for Off-Road Map App Provider
      5.0 Aug 1, 2022

      Honestly this company has impressed me every step of the way. The skills and knowledge are amazing along with a top-notch work ethic.

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    • Custom Software Dev for Construction Materials Manufacturer
      5.0 Jan 19, 2023

      He is one of the most knowledgeable, dedicated, and hard working individuals I have met in my 33 years in the IT industry.

      Read Full Review
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    1 of 1 Custom Software Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Software Dev for Construction Materials Manufacturer

    5.0 — Software Prophets provided custom software development services for a construction materials manufacturer. They updated the client's system to a new technology stack, trained users, and provided Read more
    Read 1 Review

    Industry Experience

    Software Prophets has garnered positive feedback across various industries, notably in construction and mobile app development. Clients praised their technical expertise, responsiveness, and commitment to project goals. In the construction sector, they successfully modernized outdated systems, enhancing performance and maintainability. For mobile app projects, they demonstrated a strong ability to translate client ideas into functional applications, emphasizing user satisfaction and profitability. Overall, their strengths lie in delivering tailored solutions and maintaining strong client relationships, making them a suitable choice for projects in these industries.

    Read All Reviews

    Select Industry to see insights

    Construction Software

    Average Project Cost Breakdown

    $10,000 to $49,000 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently highlight Software Prophets' fair pricing and exceptional value for money. One client noted that the initial price was 'very fair' and appreciated the ongoing support provided, describing it as 'priceless.' Another client emphasized Eric's dedication and technical expertise, stating he 'strived to go above and beyond.' Overall, feedback reflects a strong sentiment of satisfaction regarding cost-effectiveness and the quality of services rendered.
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  • ARYtech Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    50 - 249
    Hicksville, NY

    Services provided

    15% Custom Software Development
    15% AI Development
    15% ERP Consulting and SI +8
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Enterprise App Modernization
    5% AI Agents
    5% AI Consulting
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

    10% Kotlin
    10% AJAX
    10% Ember.js +7
    10% HTML5
    10% Python
    10% Redux
    10% Ruby
    10% Rust
    10% SQL
    10% jquery

    ARYtech is a global digital and AI transformation leader, empowering businesses to modernize their operations and drive bottom-line growth. As the next-generation technology arm of the ARY

    Read more
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  • How Creative Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Topanga, CA

    Services provided

    25% Business Consulting
    20% Search Engine Optimization
    15% Pay Per Click +4
    15% Web Development
    10% Digital Strategy
    10% Low/No Code Development
    5% Social Media Marketing

    Focus Areas

    33% Kotlin
    34% Ember.js
    33% Redux

    Website development company How Creative was launched in 1987. The team offers Web Development and Business Consulting and is in Topanga, California and Topanga, California.

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  • Flevio Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Boston, MA

    Services provided

    10% Custom Software Development
    10% CRM Consulting and SI
    10% E-Commerce Development +7
    10% Graphic Design
    10% Mobile App Development
    10% Social Media Marketing
    10% Video Production
    10% Wearable App Development
    10% Web Design
    10% Web Development

    Focus Areas

    10% Kotlin
    10% AJAX
    10% ASP.NET +7
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Ruby
    10% Swift
    10% Visual Basic

    Flevio is a social media marketing firm in Boston, Massachusetts and Red Hill, Australia. Established in 2015, the team focuses on Social Media Marketing and Web Design.

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  • No Nerds No Problem Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Los Angeles, CA

    Services provided

    25% Mobile App Development
    25% Product Design
    25% Web Design +1
    25% Web Development

    Focus Areas

    10% Kotlin
    20% JavaScript
    10% HTML5 +8
    10% Other programming & scripting languages
    10% SQL
    10% Swift
    10% Typescript
    5% ASP
    5% Java
    5% Python
    5% Ruby

    Established in 2020, No Nerds No Problem is a web design agency. The team specializes in Web Design and Product Design and is based in Los Angeles, California.

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  • Astra Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Bellevue, WA

    Services provided

    20% AI Consulting
    20% AI Development
    20% AR/VR Development +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    22% Kotlin
    36% C#
    21% SQL +2
    14% JavaScript
    7% Python

    Astra, a web development company, offer Web Development and Mobile App Development. They were established in 2022.

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  • Cros Apps Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Walnut Creek, CA

    Services provided

    10% Custom Software Development
    35% Mobile App Development
    15% E-Commerce Development +4
    15% Low/No Code Development
    10% AR/VR Development
    10% Web Development
    5% Application Management & Support

    Focus Areas

    10% Kotlin
    28% PHP
    17% JavaScript +3
    17% Python
    17% Ruby
    11% AJAX

    Mobile application development firm Cros Apps was established in 2019. Located in Walnut Creek, California, the team provides Mobile App Development and Web Development.

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  • High Quality Web Solutions Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Buffalo Grove, IL

    Services provided

    50% Web Development
    15% Mobile App Development
    10% UX/UI Design +4
    10% Web Design
    5% Application Management & Support
    5% Branding
    5% Logo

    Focus Areas

    10% Kotlin
    30% PHP
    20% Java +2
    20% Objective C
    20% Swift

    High Quality Web Solutions is a website development company. The Buffalo Grove, Illinois-based agency focuses on Web Development and Mobile App Development.

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  • YMI Digital LLC Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    10 - 49
    Austin, TX

    Services provided

    40% Custom Software Development
    20% AI Development
    20% Mobile App Development +1
    20% UX/UI Design

    Focus Areas

    10% Kotlin
    50% Typescript
    10% HTML5 +3
    10% Python
    10% SQL
    10% Swift

    YMI Digital LLC is a custom software development firm. Their team is located in Austin, Texas. The agency offers Custom Software Development and UX/UI Design.

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  • Axelliant Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    50 - 249
    Torrance, CA

    Services provided

    10% Custom Software Development
    45% IT Managed Services
    10% AI Development +5
    10% Low/No Code Development
    10% Web Design
    5% Cybersecurity
    5% Generative AI
    5% IT Staff Augmentation

    Focus Areas

    35% Kotlin
    30% Ruby
    20% Python +1
    15% SQL

    IT managed services company Axelliant was founded in 2019. The team provides IT managed services and Custom Software Development.

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  • Symphony Partners Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Tampa, FL

    Services provided

    30% Custom Software Development
    40% Mobile App Development
    20% IoT Development +1
    10% Low/No Code Development

    Focus Areas

    10% Kotlin
    30% Typescript
    20% Java +3
    20% Other programming & scripting languages
    10% Python
    10% Swift

    Symphony Partners is a custom software development firm established in 2023. The team offers Custom Software Development and Mobile App Development.

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    Tampa, FL

    215 West Beach Place
    Tampa, FL 33606

    2 - 5

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  • Brandiv Labs LLC Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Miami Beach, FL

    Services provided

    40% Custom Software Development
    20% Web Development
    15% Mobile App Development +3
    10% E-Commerce Development
    10% UX/UI Design
    5% Application Testing

    Focus Areas

    10% Kotlin
    30% PHP
    15% HTML5 +5
    10% AJAX
    10% JavaScript
    10% SQL
    10% Swift
    5% jquery

    Brandiv Labs LLC is a Miami Beach, Florida-based software development company. Their services include Custom Software Development and Web Development.

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  • Utvega Solutions Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Cheyenne, WY

    Services provided

    15% Custom Software Development
    40% Mobile App Development
    30% Web Development +1
    15% UX/UI Design

    Focus Areas

    10% Kotlin
    30% PHP
    20% JavaScript +4
    15% Swift
    10% Ember.js
    10% SQL
    5% Python

    Utvega Solutions is a mobile app development company. Established in 2010, the company is located in Cheyenne, Wyoming. Their team specializes in Mobile App Development and Web Development.

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  • JBKnowledge Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    50 - 249
    College Station, TX

    Services provided

    30% Custom Software Development
    20% IT Staff Augmentation
    20% IT Strategy Consulting +2
    20% UX/UI Design
    10% Web Design

    Focus Areas

    10% Kotlin
    10% C#
    10% HTML5 +7
    10% Java
    10% JavaScript
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% Swift

    JBKnowledge, a midsize custom software development firm, is based in College Station, Texas. Their services include Custom Software Development and UX/UI Design.

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  • Ciel Technology Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    New York, NY

    Services provided

    10% Custom Software Development
    20% Blockchain
    15% Low/No Code Development +6
    15% Mobile App Development
    10% AI Development
    10% AR/VR Development
    10% Web Development
    5% E-Commerce Development
    5% IoT Development

    Focus Areas

    22% Kotlin
    34% Elixir
    22% Redux +2
    11% Python
    11% Swift

    Ciel Technology is a web development firm. Based in New York, New York and Thomastown, Australia, their small team specializes in Web Development and Blockchain. The agency was established in 2018.

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  • CreatechVision Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    50 - 249
    Newark, NJ

    Services provided

    10% Custom Software Development
    10% Advertising
    10% Branding +7
    10% Graphic Design
    10% Logo
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design
    10% Web Development

    Focus Areas

    10% Kotlin
    10% Ember.js
    10% Java +7
    10% JavaScript
    10% PHP
    10% Perl
    10% Python
    10% Redux
    10% Ruby
    10% SQL

    CreatechVision provides exceptional mobile app development services, excelling in requirement gathering, UI/UX design, and robust technical implementation. Reviews highlight their commitment to client satisfaction, technical expertise, and strong project management. The company is commended for delivering high-quality, scalable solutions and maintaining open communication, although their initial proposal response time could be improved.

    See all 1 projects
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  • Dev Team, Inc Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Burbank, CA

    Services provided

    25% Web Development
    20% Application Testing
    20% Mobile App Development +3
    15% UX/UI Design
    10% AR/VR Development
    10% Blockchain

    Focus Areas

    11% Kotlin
    22% Typescript
    17% SQL +5
    11% C#
    11% Java
    11% Python
    11% Swift
    6% Redux

    Dev Team, Inc, a website development firm, was launched in 2016. They focuses on Web Development and Mobile App Development.

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  • ROOTS INC Logotype

    4.6 12 reviews
    $1,000+
    $50 - $99 / hr
    50 - 249
    San Antonio, TX

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    20% UX/UI Design +4
    15% Blockchain
    10% Low/No Code Development
    10% Web Design
    5% Cybersecurity

    Focus Areas

    10% Kotlin
    20% PHP
    20% SQL +5
    10% AJAX
    10% ASP.NET
    10% Java
    10% JavaScript
    10% Swift

    ROOTS INC is a Custom Software Development company specializing in tailored and end-to-end software solutions. With a focus on software engineering and development, they have consistently impressed clients with their top-level quality, timeliness, and exceptional project management. Approximately 80% of reviewers highlight their strong communication and ability to meet deadlines, further supporting their reputation as a reliable development partner.

    See all 12 projects

    Reviews mention Proactive

    Clients have consistently praised ROOTS INC for their proactive approach, particularly in the early stages of project development. One client noted their guidance in gathering ideas and selecting the best payment system, often meeting deadlines ahead of schedule. The proactive nature of their team has been highlighted as a key strength, contributing significantly to client satisfaction and project success. Overall sentiment reflects a high level of appreciation for their initiative and responsiveness.
    • E-Commerce Web Dev for Leather Products Company
      5.0 Feb 22, 2022

      ROOTS has been very proactive in guiding us, especially during the early stages. They’ve helped us gather ideas from similar websites and look for the best payment system for our e-commerce platform. They’ve met every deadline since, sometimes even delivering 2–3 weeks ahead of time.

      Read Full Review
    • Web Dev & UX/UI for Software Company
      5.0 Nov 11, 2021

      We’ve achieved all of our goals — they’ve even made proposals and improvements along the way so the results have been better than expected. Their delivery times are just perfect. Their communication is always fluid — everything works well and all deadlines have been met.

      Read Full Review
    Read All Reviews

    Industry Experience

    ROOTS INC has demonstrated expertise across various industries including Real Estate, Education, Financial Services, Legal, and Business Services. Clients praised their client-oriented approach, timely delivery, and proficiency in technologies like React, Python, and Django. Overall sentiment is positive, with feedback highlighting their responsiveness and organizational skills. Companies in need of web development, UI/UX design, and e-commerce solutions would find ROOTS INC a strong candidate.

    Read All Reviews

    Select Industry to see insights

    Legal Real estate Education Consumer Products Software IT Services Financial services Business services

    Average Project Cost Breakdown

    Less than $10,000 (4) $10,000 to $49,000 (4) $50,000 to $199,999 (1)

    What Clients Have Said

    Clients consistently commend Roots Inc for their cost-effectiveness and value for money. One client appreciated their flexibility in pricing, noting that they were 'very conscious about their pricing' for a small organization. Another mentioned that Roots Inc's quality of work 'exceeded expectations' despite a significant investment of $25,000–$30,000. However, some feedback indicated a desire for lower prices, suggesting that while satisfied, clients see room for improvement in affordability.
    Read All Reviews

    San Antonio, TX

    Nw crossroads
    San Antonio, TX 78251

    10 - 15

    +17262424885

    See All Locations (2)
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  • TechCreeps Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Kalispell, MT

    Services provided

    50% Web Development
    25% Search Engine Optimization
    25% Web Design

    Focus Areas

    10% Kotlin
    20% PHP
    10% AJAX +6
    10% HTML5
    10% JavaScript
    10% Perl
    10% Python
    10% Swift
    10% Typescript

    TechCreeps is a web development firm. They provide Web Development and Search Engine Optimization and were launched in 2017.

    Read more
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  • USA Web Coder Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Bedford, TX

    Services provided

    20% E-Commerce Development
    20% Mobile App Development
    20% UX/UI Design +2
    20% Web Design
    20% Web Development

    Focus Areas

    25% Kotlin
    25% AJAX
    25% Ember.js +1
    25% Redux

    USA Web Coder is a web design company. They were established in 2025 and provide Web Design and UX/UI Design.

    Read more
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  • Apps Cre8ve Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Port St. Lucie, FL

    Services provided

    10% Custom Software Development
    15% E-Commerce Development
    15% Wearable App Development +6
    10% AR/VR Development
    10% Blockchain
    10% Event Management
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Development

    Focus Areas

    11% Kotlin
    11% Ember.js
    11% Objective C +7
    11% PHP
    11% Python
    11% Redux
    11% Ruby
    11% SQL
    11% Visual Basic
    1% AJAX

    Apps Cre8ve is a mobile application development firm launched in 2019. Their team specializes in Mobile App Development and Wearable App Development.

    Read more
    View Profile
  • Nexila.agency Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Casper, WY

    Services provided

    5% Custom Software Development
    30% UX/UI Design
    20% Web Design +5
    10% AI Development
    10% Branding
    10% Product Design
    10% Web Development
    5% Mobile App Development

    Focus Areas

    20% Kotlin
    20% Redux
    20% Swift +3
    20% Visual Basic
    10% Ruby
    10% SQL

    User experience company Nexila.agency is in Casper, Wyoming. Their services include UX/UI Design and Web Design.

    Read more
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  • Elaniin Logotype

    4.9 12 reviews
    $50,000+
    $25 - $49 / hr
    50 - 249
    Los Angeles, CA

    Services provided

    20% Custom Software Development
    20% IT Staff Augmentation
    20% Web Design +3
    15% Cybersecurity
    15% Mobile App Development
    10% Cloud Consulting & SI

    Focus Areas

    10% Kotlin
    30% PHP
    25% JavaScript +6
    10% Swift
    5% ASP.NET
    5% C#
    5% Java
    5% Python
    5% Ruby

    Elaniin is a bespoke software development company known for delivering tailored software solutions with a strong emphasis on full-stack software development and custom software creation. Across reviews, 100% of clients commend Elaniin's skilled team, effective communication, and adaptability, though some suggest potentially extending timelines for complex projects. With a clientele that appreciates their commitment to quality and efficiency, Elaniin is noted for its impressive project management and collaborative approach.

    See all 12 projects

    Reviews mention Communicative

    Clients consistently commend Elaniin for their exceptional communication skills, highlighting their proactive approach and responsiveness. One client noted, "The communication is excellent, so we’ve achieved a great understanding," while another mentioned, "They’re great at communication, provide helpful comments and feedback, and are very respectful." Overall, the sentiment regarding Elaniin's communicative abilities is overwhelmingly positive, with clients appreciating their adaptability and clarity throughout the project lifecycle.
    • IT Services & Software Development for Insurance Firm
      5.0 Dec 17, 2021

      The communication is excellent, so we’ve achieved a great understanding. We use Microsoft Teams, Jira, and other project management tools to communicate.

      Read Full Review
    • Product Development for App Development Company
      5.0 Nov 2, 2021

      They’re great at communication, provide helpful comments and feedback, and are very respectful — there’s nothing I can complain of. In terms of tools, we use emails and constant calls.

      Read Full Review
    • Staff Augmentation for Technology Startup
      5.0 Jul 7, 2021

      The developer is remote and working from home, but does an excellent job communicating with us both in Slack and on calls.

      Read Full Review
    • Engineer Outsourcing for CRM Software Company
      5.0 Jun 4, 2021

      They got all that energy, good communication, and listening skills. The team is always on top of their communications, they show up on time, they always do what they say they’re going to do and expectations are set very well.

      Read Full Review
    Read All Reviews
    3 of 4 Custom Software Development reviews are 5 stars
    1 new review for Custom Software Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Document Processing Automation for Financial Services Co

    4.5 — Elaniin developed a document processing automation solution for a financial services company. The team created an endpoint to process various types of documents. Read more
    Read 4 Reviews

    Industry Experience

    Elaniin has demonstrated expertise across diverse industries, including Financial Services, Media, Education, and Various Others. In Financial Services, they excel in automating processes and developing robust applications, earning praise for their communication and project management. Clients in Education commend Elaniin for modernizing digital platforms, enhancing user experience, and contributing to student engagement. Overall, the sentiment reflects strong satisfaction, with clients appreciating their technical proficiency, responsiveness, and ability to deliver tailored solutions that foster growth and innovation.

    Read All Reviews

    Select Industry to see insights

    Financial services IT Services Software Other industries Media Education

    Average Project Cost Breakdown

    $10,000 to $49,000 (5) $50,000 to $199,999 (4)

    What Clients Have Said

    Elaniin has received positive feedback regarding their cost-effectiveness and overall value for money. Clients highlighted a 'good price-service-outcome balance' and noted that Elaniin's pricing was competitive, fitting within their budgets without compromising quality. For example, a client appreciated that Elaniin 'understood our needs very quickly' and provided a stable website at an affordable price. Overall sentiment indicates satisfaction with the financial investment relative to the quality of service delivered.
    Read All Reviews
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  • Elisol Logotype

    4.5 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Cheyenne, WY

    Services provided

    10% Custom Software Development
    10% CRM Consulting and SI
    10% E-Commerce Development +7
    10% Low/No Code Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Focus Areas

    10% Kotlin
    10% ASP.NET
    10% C# +7
    10% C++
    10% Java
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL

    Elisol offers comprehensive services in web and mobile development, marketing, social media management, and SEO. Reviews highlight their ability to deliver integrated solutions and their commitment to client satisfaction. Clients praised their project management, timely delivery, and responsiveness, noting significant improvements in user engagement, efficiency, and brand visibility.

    See all 1 projects

    More responsive than most other service providers

    Elisol is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • Ambush Logotype

    Not yet reviewed

    $75,000+
    $100 - $149 / hr
    50 - 249
    Austin, TX

    Services provided

    15% Custom Software Development
    25% IoT Development
    20% AI Development +3
    20% Product Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% Kotlin
    20% C++
    20% Go +2
    20% Other programming & scripting languages
    20% Swift

    Ambush is an IoT development company. They focus on IoT development and Artificial Intelligence and are located in Austin, Texas and Porto Alegre, Brazil.

    Read more
    View Profile
  • Total Quality Media Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Union, KY

    Services provided

    20% Mobile App Development
    20% Pay Per Click
    20% Search Engine Optimization +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    25% Kotlin
    25% Java
    25% Objective C +1
    25% Swift

    Total Quality Media is a social media marketing firm. Based in Union, Kentucky, the agency was founded in 2018. Their services include Social Media Marketing and Search Engine Optimization.

    Read more
    View Profile
  • WynHouse: An Innovation Firm Logotype

    Not yet reviewed

    $50,000+
    $200 - $300 / hr
    10 - 49
    Toledo, OH

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    15% ERP Consulting and SI +5
    15% UX/UI Design
    10% AR/VR Development
    10% Funding & Investment
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    12% Kotlin
    22% JavaScript
    11% C# +5
    11% Java
    11% Python
    11% Redux
    11% Ruby
    11% SQL

    Application development firm WynHouse: An Innovation Firm was launched in 2018. The team offers Mobile App Development and Custom Software Development.

    Read more
    View Profile
  • Digital Brain Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Troy, MI

    Services provided

    20% Custom Software Development
    20% AI Development
    20% Mobile App Development +3
    20% Web Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% Kotlin
    20% Java
    20% JavaScript +3
    20% Python
    20% Swift
    10% SQL

    Digital Brain is a Troy, Michigan-based custom software development company. The team focuses on Custom Software Development and Artificial Intelligence.

    Read more
    View Profile
  • Magure Inc Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Chadds Ford, PA

    Services provided

    30% Custom Software Development
    20% AI Development
    10% Blockchain +4
    10% IoT Development
    10% Mobile App Development
    10% Wearable App Development
    10% Web Development

    Focus Areas

    10% Kotlin
    20% JavaScript
    20% Python +5
    10% Go
    10% Java
    10% Redux
    10% Ruby
    10% Swift

    Magure Inc is a software development firm. The team focuses on Custom Software Development and Artificial Intelligence and is in Chadds Ford, Pennsylvania.

    Read more
    View Profile
  • Devzen Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Manassas, VA

    Services provided

    10% Custom Software Development
    25% Marketing Strategy
    25% UX/UI Design +3
    15% Low/No Code Development
    15% Web Development
    10% IT Strategy Consulting

    Focus Areas

    35% Kotlin
    35% Swift
    30% Java

    Devzen is a social media marketing company. The Manassas, Virginia-based company was founded in 2024. Their team specializes in Social Media Marketing and Search Engine Optimization.

    Read more
    View Profile
  • Down Town App Studios Logotype

    5.0 1 review
    Undisclosed
    Undisclosed
    10 - 49
    Miami, FL

    Services provided

    20% Mobile App Development
    20% Other Digital Marketing
    20% UX/UI Design +2
    20% Wearable App Development
    20% Web Development

    Focus Areas

    20% Kotlin
    20% AJAX
    20% Ember.js +2
    20% Objective C
    20% Redux

    At Down Town App Studio, we leverage our extensive experience and talented resource pool to deliver top-notch IT services for businesses globally. Over the years, we have succeeded in keeping up the

    Read more
    See all 1 projects
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  • Hubaix Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Richmond, TX

    Services provided

    20% AI Development
    20% Blockchain
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    20% Kotlin
    20% PHP
    20% Python +2
    20% Swift
    20% Typescript

    Web development firm Hubaix is based in Richmond, Texas and Karachi, Pakistan. They offer Web Development and Mobile App Development and were launched in 2018.

    Read more
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  • Meta Web Pro Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Jacksonville, FL

    Services provided

    20% Graphic Design
    20% Mobile App Development
    20% Search Engine Optimization +3
    20% Social Media Marketing
    10% Low/No Code Development
    10% Web Development

    Focus Areas

    20% Kotlin
    20% AJAX
    20% Java +2
    20% Python
    20% Visual Basic

    Founded in 2019, Meta Web Pro is a social media marketing agency. Based in Jacksonville, Florida, the team offers Social Media Marketing and Search Engine Optimization.

    Read more
    View Profile
  • White Label Partner Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    50 - 249
    Miami, FL

    Services provided

    20% Search Engine Optimization
    15% Mobile App Development
    15% Web Development +5
    10% AI Development
    10% Content Marketing
    10% Content Writing Services
    10% Email Marketing
    10% Social Media Marketing

    Focus Areas

    10% Kotlin
    20% Other programming & scripting languages
    20% PHP +4
    20% Python
    15% SQL
    10% Ember.js
    5% HTML5

    White Label Partner is a SEO services firm. Their midsize team is located in Miami, Florida and focuses on Search Engine Optimization and Web Development. The company was established in 2015.

    Read more
    View Profile

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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

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We evaluate service providers using a structured methodology that combines:

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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Suffescom Solutions Inc
2 Synergy Labs
3 Excellent Webworld
4 CitrusBits
5 UplineSoft
6 Bolder Apps
7 Agency Partner Interactive LLC
8 Goji Labs
9 Designli
10 Saritasa
11 Dualboot Partners
12 Orangesoft
13 Wve Labs
14 Simpalm
15 MMC Global

List of the Top 15 United States Kotlin Development Services

  1. Suffescom Solutions Inc Logotype

    Suffescom Solutions Inc

    $25,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    39.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    40% Mobile App Development
    20% Other
    View Profile Visit Website
  2. Synergy Labs Logotype

    Synergy Labs

    $25,000+
    $50 - $99 / hr
    50 - 249
    Hollywood, FL

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    10% Custom Software Development
    30% Kotlin
    10% Web Development
    60% Mobile App Development
    20% Other
    View Profile Visit Website
  3. Excellent Webworld Logotype

    Excellent Webworld

    $25,000+
    $25 - $49 / hr
    250 - 999
    Lakeville, MN

    Ability to deliver

    36.6/40.0
    16.8/20 Reviews
    9.9/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    15% Custom Software Development
    30% Kotlin
    10% Web Development
    10% Mobile App Development
    15% Enterprise App Modernization
    50% Other
    View Profile Visit Website
  4. CitrusBits Logotype

    CitrusBits

    $50,000+
    $100 - $149 / hr
    50 - 249
    Los Angeles, CA

    Ability to deliver

    36/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Custom Software Development
    55% Kotlin
    40% Mobile App Development
    30% AR/VR Development
    10% Other
    View Profile Visit Website
  5. UplineSoft Logotype

    UplineSoft

    $5,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    38.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    60% Custom Software Development
    15% Kotlin
    40% Other
    View Profile Visit Website
  6. Bolder Apps Logotype

    Bolder Apps

    $5,000+
    $50 - $99 / hr
    50 - 249
    Miami, FL

    Ability to deliver

    37.9/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    10% Custom Software Development
    30% Kotlin
    10% Web Development
    60% Mobile App Development
    20% Other
    View Profile Visit Website
  7. Agency Partner Interactive LLC Logotype

    Agency Partner Interactive LLC

    $25,000+
    $100 - $149 / hr
    50 - 249
    Plano, TX

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    35% Custom Software Development
    10% Kotlin
    10% Web Development
    30% Mobile App Development
    25% Other
    View Profile Visit Website
  8. Goji Labs Logotype

    Goji Labs

    $50,000+
    $150 - $199 / hr
    50 - 249
    Los Angeles, CA

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    20% Custom Software Development
    10% Kotlin
    10% Web Development
    50% Mobile App Development
    20% Other
    View Profile Visit Website
  9. Designli Logotype

    Designli

    $10,000+
    $50 - $99 / hr
    50 - 249
    Greenville, SC

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    30% Custom Software Development
    10% Kotlin
    50% Mobile App Development
    20% Other
    View Profile Visit Website
  10. Saritasa Logotype

    Saritasa

    $50,000+
    $100 - $149 / hr
    50 - 249
    Irvine, CA

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    40% Custom Software Development
    10% Kotlin
    10% Web Development
    10% Mobile App Development
    30% AR/VR Development
    10% Other
    View Profile Visit Website
  11. Dualboot Partners Logotype

    Dualboot Partners

    $75,000+
    Undisclosed
    250 - 999
    Charlotte, NC

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    15% Custom Software Development
    10% Kotlin
    5% Web Development
    5% Mobile App Development
    5% Application Management & Support
    70% Other
    View Profile Visit Website
  12. Orangesoft Logotype

    Orangesoft

    $25,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Ability to deliver

    37.5/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    20% Custom Software Development
    25% Kotlin
    20% Web Development
    40% Mobile App Development
    20% Other
    View Profile Visit Website
  13. Wve Labs Logotype

    Wve Labs

    $25,000+
    $50 - $99 / hr
    50 - 249
    Costa Mesa, CA

    Ability to deliver

    38.1/40.0
    19.2/20 Reviews
    9.6/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    20% Web Development
    50% Mobile App Development
    30% Other
    View Profile Visit Website
  14. Simpalm Logotype

    Simpalm

    $10,000+
    Undisclosed
    10 - 49
    Rockville, MD

    Ability to deliver

    37.7/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    30% Web Development
    40% Mobile App Development
    10% Application Management & Support
    20% Other
    View Profile Visit Website
  15. MMC Global Logotype

    MMC Global

    $25,000+
    $50 - $99 / hr
    250 - 999
    Austin, TX

    Ability to deliver

    37.6/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Custom Software Development
    11% Kotlin
    20% Mobile App Development
    60% Other
    View Profile Visit Website
  16. AppVerticals Logotype

    AppVerticals

    $25,000+
    $25 - $49 / hr
    50 - 249
    Dallas, TX

    Ability to deliver

    36.9/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    30% Custom Software Development
    20% Kotlin
    40% Mobile App Development
    10% Enterprise App Modernization
    20% Other
    View Profile Visit Website
  17. Jalasoft Logotype

    Jalasoft

    $50,000+
    $25 - $49 / hr
    1,000 - 9,999
    Houston, TX

    Ability to deliver

    35.4/40.0
    17.4/20 Reviews
    8.4/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    10% Custom Software Development
    15% Kotlin
    10% Web Development
    10% Mobile App Development
    10% Application Management & Support
    60% Other
    View Profile Visit Website
  18. Trango Tech Logotype

    Trango Tech

    Undisclosed
    $25 - $49 / hr
    250 - 999
    Salt Lake City, UT

    Ability to deliver

    37.3/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    10% Custom Software Development
    10% Kotlin
    10% Web Development
    40% Mobile App Development
    10% AR/VR Development
    30% Other
    View Profile Visit Website
  19. AppIt Ventures Logotype

    AppIt Ventures

    $25,000+
    $100 - $149 / hr
    10 - 49
    Denver, CO

    Ability to deliver

    37.6/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    30% Custom Software Development
    15% Kotlin
    50% Mobile App Development
    5% Application Management & Support
    5% Enterprise App Modernization
    10% Other
    View Profile Visit Website
  20. X-Team Logotype

    X-Team

    $25,000+
    $50 - $99 / hr
    250 - 999
    Austin, TX

    Ability to deliver

    36.2/40.0
    16.4/20 Reviews
    9.9/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    30% Custom Software Development
    15% Kotlin
    10% Web Development
    10% Mobile App Development
    50% Other
    View Profile Visit Website
  21. Extrovert Information Technology (EitBiz) Logotype

    Extrovert Information Technology (EitBiz)

    $5,000+
    $25 - $49 / hr
    50 - 249
    Fort Wayne, IN

    Ability to deliver

    35.7/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    7.3/10 Market Presence

    Service focus

    15% Custom Software Development
    25% Kotlin
    5% Web Development
    40% Mobile App Development
    15% Application Management & Support
    25% Other
    View Profile Visit Website
  22. AppZoro Technologies, Inc. Logotype

    AppZoro Technologies, Inc.

    $10,000+
    $50 - $99 / hr
    10 - 49
    Atlanta, GA

    Ability to deliver

    35.6/40.0
    16/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    10% Custom Software Development
    30% Kotlin
    10% Web Development
    53% Mobile App Development
    27% Other
    View Profile Visit Website
  23. Fueled Logotype

    Fueled

    $75,000+
    $150 - $199 / hr
    250 - 999
    New York, NY

    Ability to deliver

    36.8/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    55% Mobile App Development
    30% Other
    View Profile Visit Website
  24. Surf Logotype

    Surf

    $25,000+
    $50 - $99 / hr
    50 - 249
    Wilmington, DE

    Ability to deliver

    36/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    80% Mobile App Development
    20% Other
    View Profile Visit Website
  25. Interexy Logotype

    Interexy

    $10,000+
    $25 - $49 / hr
    250 - 999
    Lauderdale-by-the-Sea, FL

    Ability to deliver

    37.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.1/10 Market Presence

    Service focus

    5% Web Development
    20% Mobile App Development
    5% AR/VR Development
    70% Other
    View Profile Visit Website
  26. NIX Logotype

    NIX

    Undisclosed
    $50 - $99 / hr
    1,000 - 9,999
    Tampa, FL

    Ability to deliver

    35.8/40.0
    19.2/20 Reviews
    6.9/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Custom Software Development
    10% Kotlin
    75% Other
    View Profile Visit Website
  27. ParallelStaff Logotype

    ParallelStaff

    $50,000+
    $50 - $99 / hr
    50 - 249
    Dallas, TX

    Ability to deliver

    38.4/40.0
    18.6/20 Reviews
    9.8/10 Clients & Experience
    10/10 Market Presence

    Service focus

    10% Custom Software Development
    20% Kotlin
    10% Web Development
    10% Mobile App Development
    70% Other
    View Profile Visit Website
  28. Mutual Mobile (A Grid Dynamics Company) Logotype

    Mutual Mobile (A Grid Dynamics Company)

    $25,000+
    $150 - $199 / hr
    50 - 249
    Austin, TX

    Ability to deliver

    35.6/40.0
    15.6/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    10% Custom Software Development
    21% Kotlin
    10% Web Development
    35% Mobile App Development
    10% AR/VR Development
    10% Enterprise App Modernization
    25% Other
    View Profile Visit Website
  29. Vincit Logotype

    Vincit

    $50,000+
    $150 - $199 / hr
    250 - 999
    Irvine, CA

    Ability to deliver

    36.1/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Custom Software Development
    10% Kotlin
    30% Web Development
    25% Mobile App Development
    View Profile Visit Website
  30. Blue Whale Apps Logotype

    Blue Whale Apps

    $50,000+
    $150 - $199 / hr
    50 - 249
    Herndon, VA

    Ability to deliver

    35.2/40.0
    17/20 Reviews
    8.8/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    15% Web Development
    40% Mobile App Development
    45% Other
    View Profile Visit Website

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United States Kotlin Development FAQs

Working with a domestic Kotlin development team can streamline collaboration, especially when projects require daily stand-ups, rapid iteration, or compliance with U.S. data laws such as HIPAA or CCPA.

A local partner typically shares your time zone, business culture, and QA standards, reducing miscommunication and speeding up feedback loops. Plus, many U.S. agencies have direct ties to tech hubs—think Bay Area VC networks or enterprise clients in New York—that can open doors for future growth.

U.S. Kotlin development specialists work across a broad spectrum of verticals, including:

  • Fintech and digital banking
  • Health tech and HIPAA-compliant apps
  • E-commerce and retail (Shopify, Magento back ends)
  • Transportation and logistics (real-time tracking)
  • Media streaming and entertainment

Mixed-platform skill sets (Kotlin Multiplatform Mobile, Compose for Desktop) let them support both consumer and enterprise projects.

  1. Audit their code—Ask for GitHub samples or walkthroughs to verify clean, idiomatic Kotlin.
  2. Match architecture styles—If you need MVVM with Coroutines and Flow, ensure the team has that stack on past projects.
  3. Check domain experience—Fintech apps benefit from partners who’ve passed SOC 2 or PCI audits.
  4. Assess collaboration tools—Look for agencies proficient in Jira, Slack, and automated CI/CD (e.g., GitHub Actions).
  5. Review Clutch feedback—Client quotes on timelines, bug rates, and post-launch support reveal real performance.

It’s vital to be thorough when assessing potential partners. Clutch prepared vetted directories of proven developers ready for your project. Find the ideal team by leveraging the resources and filters available on the platform.

• Java-only portfolios with minimal Kotlin samples
• Low senior-level ratio; a team of mostly juniors can slow delivery
• Vague estimates without sprint breakdowns or acceptance criteria
• No automated testing (unit, UI, or integration) in their process
• Ownership concerns—agencies that retain source-code rights or charge release fees

Development cycles require close collaboration and good project management. Keep a close eye out for these warning signs to ensure your project’s smooth progress.

Most U.S. Kotlin agencies charge $100 – $200 per hour according to recent Clutch pricing data. Typical project ranges:

  • MVP or feature add-ons: $25,000 – $60,000
  • Full-scale Android or KMP app: $75,000 – $200,000+
  • Long-term team augmentation: $15,000 – $40,000 per developer, per month

Factors that influence cost include team seniority, project complexity (e.g., reactive programming, microservices), and whether design or product strategy is bundled in.

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