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Where your ideas turn into code and interfaces

We create business value, not just another piece of software!

We are a transparent, proactive, and business-focused team with deep expertise in AI/ML, Generative AI, LLM integration, and complex custom software development. 

Our proven track record includes 58+ 5-star Clutch reviews and over 10 years on the market.

WE FOCUS ON:

  • Min project size
    Undisclosed
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    San Francisco, CA
  • Year founded
    Founded 2015

Overview by:

Reviewer avatar
Mitya Smusin

2 Locations

  • San Francisco , CA
  • Warszawa , Poland

No have been added yet...

    Pricing Snapshot

    Min. project size Undisclosed
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 5 /5

    What Clients Have Said

    Yellow provides competitive pricing with clients reporting investments ranging from $10,000 to over $1.8 million. Clients consistently cite good value for cost, timely delivery, and effective project management, showcasing their commitment to quality and responsiveness.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 52 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    Yellow Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 5.0
    • Cost 5.0
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Room for Improvement in Design Aesthetics

      While Yellow's technical skills are highly regarded, some clients noted differences in design aesthetics. This suggests an area for potential improvement in aligning design outputs with specific client preferences.

    • Successful Handling of Complex Projects

      Yellow has successfully managed and delivered complex projects, such as web and mobile app development, with intricate functionalities and integrations. Clients appreciate their ability to handle challenging requirements effectively.

    • Impressive Technical Expertise and Problem-Solving

      Yellow's technical prowess, particularly in Node.js, React, and mobile development, has been highlighted by clients. They are adept at tackling complex projects and providing innovative solutions that align with client objectives.

    • Effective Collaboration and Team Integration

      Yellow integrates seamlessly with client teams, providing support and expertise that complement internal resources. Their ability to work collaboratively and adapt to different team dynamics is highly valued by clients.

    • Responsive and Adaptable to Client Needs

      Yellow is recognized for their responsiveness and adaptability, adjusting to client needs and project changes efficiently. They are proactive in addressing challenges and ensuring client satisfaction.

    • Positive Client Feedback and Recommendations

      Clients frequently recommend Yellow for their technical expertise, project management skills, and commitment to client success. Their ability to deliver quality work on time and within budget is highly valued.

    Yellow Reviews

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    Services
    Project cost

    Web App Development for Client Management Platform

    • Web Development
    • $50,000 to $199,999
    • May 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Yellow is by far the best at helping us make decisions to push our company forward.”

    Mar 12, 2018
    Co-Founder, SmartCenter
    William Hamilton
    Verified
    • Information technology
    • Irvine, California
    • 1-10 Employees
    • Phone Interview
    • Verified

    Having finished development of a Rails app, Yellow now continues to implement new features. With several third-party integrations and a customer portal, the app boasts strict IRS-compliant security components.

    iOS & Android Dev for Family Messaging App

    • Mobile App Development
    • $200,000 to $999,999
    • Oct. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Yellow elevated our product's outline and vision."

    Mar 9, 2018
    Founder, Famlicious Inc.
    Jim Barkow
    Verified
    • Other industries
    • San Francisco, California
    • 1-10 Employees
    • Online Review
    • Verified

    Providing additional development resources and expertise, Yellow collaborated on a dual-platform messaging app that integrates multiple third-party systems and is slated for public launch in one month.

    Ruby Web Dev & UI/UX for Auto Market Platform

    • Web Development
    • Less than $10,000
    • Feb. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their ability to develop single-page mockups into full websites has been incredibly valuable to our team." 

    Mar 8, 2018
    Product Manager, Speed Digital
    Eric Morgan
    Verified
    • Other industries
    • Charlotte, North Carolina
    • 11-50 Employees
    • Online Review
    • Verified

    Yellow provides supplementary development and UI/UX resources to increase product output and manage backlogs. In addition to frontend and wireframe design, the team contributes backend expertise with Ruby.

    AI Dev for Development Company

    • AI Development
    • $10,000 to $49,999
    • Jan. - Apr. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were proactive, transparent, and responsive."

    Oct 21, 2025
    Marketing Manager, Pynest LTD
    Anastasiya Chyrko
    • Other industries
    • Cyprus
    • 51-200 Employees
    • Online Review

    Yellow developed an AI-powered image classification system in Python for a development company’s enterprise client, with a focus on computer vision and model deployment.

    AI System Development for Software Development Company

    • AI Consulting AI Development
    • $200,000 to $999,999
    • Feb. - July 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "Their project management was exceptional."
    Aug 15, 2024
    CEO, SumatoSoft
    Yury Shamrei
    Verified
    • Information technology
    • Northeast - USA
    • 51-200 Employees
    • Online Review
    • Verified

    Yellow developed an AI-driven customer support system for a custom software development company. The goal was to enhance customer experience, reduce response times, and improve solution accuracy.

    Chatbot Dev for Global Healthcare Nonprofit

    • AI Development Mobile App Development Web Development
    • Confidential
    • Jan. - Mar. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team from Yellow finished the project on time, always responding to our needs."

    Jun 24, 2024
    Social Media Officer, Doctors Without Border Southern Africa
    Gcobisa Ndzimande
    Verified
    • Non-profit
    • South Africa
    • 51-200 Employees
    • Online Review
    • Verified

    Yellow developed a Facebook chatbot for a global healthcare nonprofit organization. The team also created a database to store information about various diseases and provided QA and deployment support.

    Mobile App & Web Design & Dev for Tech Startup

    • Mobile App Development Web Design Web Development
    • $50,000 to $199,999
    • Apr. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Yellow has done everything we expected and asked them to do.”

    May 23, 2024
    CEO, Preesh
    Matthew Bernier
    • Information technology
    • New York, United States
    • 1-10 Employees
    • Phone Interview

    A tech startup has hired Yellow to build a money transfer API from scratch. The team has worked on mobile app and website design and development.

    Web & Mobile App Development for E-Commerce Company

    • Custom Software Development Mobile App Development Web Development
    • Confidential
    • Sep. - Dec. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "They are talented, nice people."
    Dec 15, 2023
    President, E-Commerce Company
    Samuel
    • Consumer products & services
    • South - USA
    • 1-10 Employees
    • Online Review

    An e-commerce company hired Yellow for web and mobile app development. The team took the client's e-commerce idea to create the site and application for it.

    Mobile App Development for Electrical Engineering Company

    • Mobile App Development Web Development
    • Confidential
    • June 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "They were able to pickup an extremely complicated project with a very complex data model."
    Dec 14, 2023
    Co-Founder & CTO, Electrical Engineering Company
    Anonymous
    Verified
    • Other industries
    • Montreal, Quebec
    • 1-10 Employees
    • Online Review
    • Verified

    Yellow has developed a mobile app for an electrical engineering company. The team has integrated the client's existing API and IDP, created a CRUD interface, fixed bugs, and implemented various migrations.

    App Dev & UI/UX Design for SaaS Company

    • AI Development Mobile App Development Web Development
    • Confidential
    • Jan. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Yellow did an excellent job designing a beautiful UI for our low code Web app that was intuitive and sleek."

    Jun 22, 2023
    Executive, Kubiy.ai
    Anonymous
    Verified
    • Other industries
    • Palo Alto, California
    • 11-50 Employees
    • Online Review
    • Verified

    Yellow has provided app development and UI/UX design services for a SaaS company. They have designed the UI for the client's low-code web app.

    Showing 41-50 of 60 Reviews

    Our Story

    We firmly believe that our success is intricately tied to the success of our clients. As a result, we strive to create a mutually beneficial relationship that goes far beyond the typical business-client dynamic. We understand that our clients' success is what ultimately drives our own, and we're committed to doing everything in our power to help them achieve their goals. This is why we have a 5.0 rating on Clutch and such a high NPS score. Every second client has recommended us to their busine

    Meet the Team

    Mitya Smusin

    Mitya SmusinCEO

    A serial entrepreneur and technology visionary passionate about making AI feel more human.

    Locations (2)

    415 Mission Street San FranciscoCA, United States 94105

    10 - 15

    Contact Yellow

    If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

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    Pynest

    (1)
    Pynest Logotype

    Anastasiya Chyrko

    Additional Connections

    (1)