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Tech Partner for App Founders Through Exit

Vermillion is a technical partner for consumer app founders, combining strategic CTO-level thinking with hands-on mobile development execution. We specialize in React Native apps with deep expertise in subscription monetization, paywall optimization, and preparing companies for acquisition.
 
 
 **Our Approach:** We become your technical advisor, helping you make the right architecture decisions, avoid costly mistakes, and build technology that scales and attracts acquirers. Our partnerships last years, not months. We have worked with founders from MVP through growth, and one relationship spanning 4 years culminated in a successful acquisition.
 
 **What We Do:**
 - React Native mobile app development
 - Subscription monetization strategy (RevenueCat, Superwall)
 - Technical due diligence preparation
 - Architecture design and code reviews
 - Fractional CTO advisory services
 
 **Who We Work With:**
 - Post-accelerator founders (YC, Techstars graduates)
 - Consumer subscription app companies
 - Marketplace startups
 - Founders preparing for acquisition
 
**Our Difference:** We have seen 50+ subscription apps and know what converts. We have been through technical due diligence and know what acquirers look for. We stay for years, not months.

  • Min project size
    $25,000+
  • Hourly rate
    $150 - $199 / hr
  • Employees
    2 - 9
  • Locations
    Fort Lauderdale, FL
  • Year founded
    Founded 2014

1 Locations

  • Fort Lauderdale , FL

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $150 - $199 /hr
    Rating for cost 5 /5

    What Clients Have Said

    Vermillion offers good value for cost, with projects ranging from $25,000 to $200,000. Clients appreciate their responsiveness and project management, often highlighting budget-friendly pricing and alignment with company values as key reasons for selection.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 5 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    Vermillion Review Insights

    Overall Review Rating

    4.8
    • Quality 4.9
    • Schedule 4.9
    • Cost 5.0
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Trustworthiness and Reliability

      Clients describe Vermillion as trustworthy and reliable, with a team that is willing to go the extra mile. Their commitment to client success and ability to deliver on promises are appreciated.

    • Flexibility and Adaptability

      Vermillion's flexibility and adaptability in project management allow them to handle changing client needs and timelines effectively. This capability is a significant advantage in dynamic projects.

    • Cultural and Value Alignment

      Clients often choose Vermillion for their cultural fit and alignment in values, which fosters a positive working relationship and trust. This alignment is a key factor in client satisfaction.

    • Innovation and Industry Understanding

      Vermillion is recognized for their innovative use of technology and deep understanding of various industries, such as behavioral health and fashion. This expertise adds value to their solutions.

    • Room for Improvement in Documentation

      While Vermillion is agile and responsive, some clients noted that better documentation could enhance their processes. However, they wouldn't trade agility for documentation, highlighting a potential area for balance.

    • Strong Project Management Skills

      Clients praise Vermillion's project management, noting timely deliveries and effective communication through various tools. Their responsiveness and ability to recover from missed deadlines are highlighted as strengths.

    Vermillion Reviews

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    Mobile App & Web Development for Pickleball Software Company

    • Custom Software Development Mobile App Development Web Development
    • Confidential
    • June 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I appreciate that Ken is always willing to stay in close communication and is available."

    Jun 13, 2025
    Founder & GM, PicklePlay
    Blake Renaud
    Verified
    • Sports
    • Cedar Falls, Iowa
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion has developed a mobile app and web portal for a pickleball software company. The platforms are built using React Native and React with various functionalities for iOS and Android.

    App Revamp for Tattoo Artists Marketplace

    • Application Management & Support Application Testing Mobile App Development
    • Confidential
    • Jan. - June 2022
    4.5
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I felt super close with the Vermillion Sky team and they truly felt like an extension of the company."

    Jul 22, 2024
    Founder & CEO, Tattoo Artists Marketplace
    Anonymous
    Verified
    • Consumer products & services
    • New York City, New York
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion Sky revamped an app for a tattoo artists marketplace. The team developed and redesigned the MVP, ensuring it was scale-ready by addressing code issues, rebuilding components, and adding new features.

    Mobile & Web App Dev & UX/UI Design for Mental Healthcare Co

    • Mobile App Development UX/UI Design Web Development
    • Confidential
    • Sep. 2023 - Jan. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Vermillion Sky did a great job."

    Jul 17, 2024
    CEO, The Group Home App
    Eric Chatmon
    Verified
    • Other industries
    • Cleveland, Ohio
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion Sky developed a web and mobile app for a mental healthcare company. The team designed the apps' UX/UI, built administrative features, and established an affiliate marketing program.

    Mobile App for Sports Healthcare Platform

    • Mobile App Development
    • $50,000 to $199,999
    • Dec. 2019 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    4.5

    "We found their ability to be flexible the most impressive and unique."

    Jan 13, 2021
    COO, SirenMD
    Andrew Willert
    Verified
    • Other industries
    • Miami, Florida
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion Sky developed a mobile app for a sports healthcare platform. The app is intended to streamline communication between athletes and healthcare providers using real-time case updates and notifications.

    Web Development for Fashion Company

    • Web Development
    • $50,000 to $199,999
    • Mar. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I love the energy of the team. They were very understanding of my needs and what we wanted to accomplish."

    Jan 7, 2021
    Founder, Kat's Castings
    Katherin Jennings
    Verified
    • Other industries
    • New York City, New York
    • 1-10 Employees
    • Online Review
    • Verified

    A fashion company tasked Vermillion Sky to do web development and branding updates for their website. Key tasks involve upgrading the site design and arranging the features and sections for better user access.

    iOS Development for Beauty Application

    • Mobile App Development
    • $10,000 to $49,999
    • June 2014 - Aug. 2016
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We worked collaboratively and their feedback was very beneficial."

    May 14, 2018
    Founder, Shopping App
    Anonymous
    Verified
    • Other industries
    • New York City, New York
    • 1-10 Employees
    • Phone Interview
    • Verified

    Vermillion Sky developed an iOS shopping app, implementing a third-party shopping cart and APIs. The app allows customers to create a multistep photo/video tutorial and follow other users.

    Application Dev for Food Delivery Platform

    • Web Development
    • $50,000 to $199,999
    • Aug. 2016 - Ongoing
    4.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Vermillion Sky helped us build an app that as it grows brand presence will work even better in the future than it does now."

    May 11, 2018
    CEO & Founder, Foodeaze
    Alexander Fattel
    Verified
    • Other industries
    • New Jersey, United States
    • 1-10 Employees
    • Phone Interview
    • Verified

    Based on existing wireframes and mockups, Vermillion Sky designed and developed a food online ordering app, focusing on UI and UX. They built multiple integrations such as an internal review system, a future and catering ordering option, and couponing system to name a few using tools such as PHP and react.JS in order to accomplish these tasks.

    Custom Software Dev for IT Co

    • Custom Software Development Product Design
    • Confidential
    • Jan. - May 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were thoughtful, enthusiastic, and creative during the entire process."

    Jul 2, 2025
    CEO, IT Co
    Anonymous
    Verified
    • Information technology
    • New York City, New York
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion developed an MVP for an IT company. The team worked on the wireframe and the clickable prototype.

    Mobile App Dev for Marketing Agency

    • AI Development API Development Mobile App Development
    • Confidential
    • Feb. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We're impressed by the team's ability to take development tasks and align them with business needs."

    Jul 17, 2024
    CEO, Marketing Agency
    Anonymous
    Verified
    • Advertising & marketing
    • Naples, Florida
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion Sky has built a mobile app for a marketing agency. The tasks include designing and implementing mobile and AI technologies into a suite of apps.

    Mobile App Development for Digital & Marketing Agency

    • Mobile App Development
    • $10,000 to $49,999
    • Jan. 2017 - Jan. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team was very organized and they explained everything comprehensively."

    Jan 7, 2021
    CEO, Digital & Marketing Media
    Anonymous
    Verified
    • Advertising & marketing
    • Portland, Oregon
    • 1-10 Employees
    • Online Review
    • Verified

    Vermillion Sky developed a mobile app for a digital and marketing agency. The team built an app that helps end users save money.

    Showing 1-10 of 10 Reviews

    Locations (1)

    701 N Andrews Ave Fort LauderdaleFL, United States 33311

    10 - 15

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