Explore leading mobile app development companies in Portland, Maine, that can turn your vision into reality. DesignRush features agencies trusted by major brands like IBM and Deloitte, ensuring you connect with the best in the business. With over 100,000 client-agency matches made monthly and 40,000+ vetted agencies, our platform is designed to help you find the perfect fit for your needs. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Portland Mobile App Developers

7 Companies - Rankings updated: May 19, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

United States × Maine × Portland ×
  • Together we build software that changes lives.

    Portland Webworks is a software development firm with the consulting, design and implementation expertise necessary to deliver business results.  [... view Portland Webworks profile ]

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    Location
    Portland, Maine
    Number of Employees
    Under 49
    Average Hourly Rate
    $135/hr

    Portland Webworks Services

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Graphic Design
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sappi
    • Maine Health
    • NAI
    • Lucas Tree Experts
    Data sourced from the agency's DesignRush profile

    Portland Webworks Reviews & Testimonials

    • Gabe Ewing del Rio
      Gabe Ewing del Rio Review from Google
      2.0

      Gabe Ewing del Rio's Review Sourced from Google

      We brought them a $25k starter project and they wouldn’t even give us a proposal. They only want large government contracts that should probably be done with some other company who will do so more efficiently, and save all of our tax dollars. The representative was nonresponsive and offputting. Snobby.

      Show more
    Reviews verified by DesignRush and sourced from the agency's profile
  • Your Vision, Our Expertise. It's Time To Transform the Way You Do Business.

    Big Room Studios is a software development services company located in Portland, Maine.  [... view Big Room Technologies profile ]

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    Location
    Portland, Maine
    Number of Employees
    Under 49
    Average Hourly Rate
    $135/hr
    Minimal Budget
    $50,000 & Up

    Big Room Technologies Services

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Architalx
    • Artsystems
    • CUR8
    Data sourced from the agency's DesignRush profile
  • Transform your technology challenges into business advantages.

    Founded in 2009, Freeport Metrics has served start-ups and enterprises across a diverse range of industries and in some of the most challenging domains.  [... view Freeport Metrics profile ]

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    Location
    Portland, Maine
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr

    Freeport Metrics Services

    • IT Services
    • Mobile App Development
    • Software Development
    • Web Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bend
    • Forage
    • Community Health Options
    Data sourced from the agency's DesignRush profile

    Freeport Metrics Reviews & Testimonials

    • Jacob Conrad
      Jacob Conrad Review from Google
      5.0

      Jacob Conrad's Review Sourced from Google

      I did masonry work inside the building. They managed to stay professional while we disrupted their lobby with a big tent to control the dust and our noisy grinders.

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    • Christopher Folmar
      Christopher Folmar Review from Google
      5.0

      Christopher Folmar's Review Sourced from Google

      Freeport Metrics offers amazing quality with incredible customer service, these are the types of people you want to work with.

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    Reviews verified by DesignRush and sourced from the agency's profile
  • You bring the idea, we make it real

    Theory and Principle is a product design and development shop focused exclusively on the legal industry.  [... view Theory And Principle profile ]

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    Location
    Portland, Maine
    Number of Employees
    Under 49

    Theory and Principle Services

    • Software Development
    • Mobile App Development
    • IT Services
    • Software Testing
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • regUP
    • Map Engine
    • Colorado Resource Network
    Data sourced from the agency's DesignRush profile
  • Powerful, proven, guaranteed.

    Since 1985. For millions of users.Nexus Software Systems software development company helps businesses grow by providing effective custom software to achieve their business objectives. From complete Enterprise Resource Planning (ERP), Customer Relationship Systems Management (CRM), and Ecommerce systems  [... see all Nexus Software Systems reviews ]

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    Location
    Portland, Maine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Nexus Software Systems Services

    • Web Development
    • Web Design
    • eCommerce Development
    • Mobile App Development
    • AI Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Visa
    • Ebay
    • Authorize.net
    • Microsoft
    • Intel
    • World Travel Holdings
    • UPS
    • True Value Hardware
    • Intuit
    Data sourced from the agency's DesignRush profile

    Nexus Software Systems Reviews & Testimonials

    • Cathy Meyer
      Cathy Meyer Director of Support & Services at hotComm/Conferdence.com
      5.0

      Web Development Review from Cathy Meyer

      Nexus Software Systems is THE most competent & accessible/responsive developers I've come across in a decade. Richard who is the business owner & computer scientist comes up with solutions that will SAVE your company so much in output costs that simply consulting with him for a few minutes is value all on its' own. He works diligently to make sure you stay operational & has VAST knowledge of all the newest tech & implements it where he can PLUS helps maintain legacy code where needed. Hire him!

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    Reviews verified by DesignRush and sourced from the agency's profile
  • Creating exceptional commerce experiences with passion

    SNOW.DOG is a digital studio specializing in commerce and mobile solutions, with a team of certified Magento experts, passionate creatives, and talented individuals. We prioritize accessibility and value innovation and time-to-market. Our exceptional commerce experiences come from our genuine passion for our  [... view Snowdog profile ]

    Top Services:

    • Mobile App Development
    • IT Services
    • UI/UX Design
    Location
    Portland, Maine
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000

    Snowdog Services

    • Mobile App Development
    • IoT
    • VR/AR
    • eCommerce Development
    • UI/UX Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Adobe
    • Indigo Nails
    • Sunstar
    • MARS
    • Sanpol
    Data sourced from the agency's DesignRush profile
  • Custom Software That Works in the Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in.  [... view Soft Does profile ]
    Location
    Portland, Maine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    Soft Does Services

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Cloud Consulting
    • Blockchain
    • Software Testing
    • Digital Strategy
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Custom Finance Platform for Healthcare Practice
      Software Development Project for Health Care Company Custom Finance Platform for Healthcare Practice
    Comprehensive analysis done by DesignRush Agency Experts.
    • Altera
    • Brizacorp
    • Color and Harmony
    • FMY Orthodontics
    Data sourced from the agency's DesignRush profile

About The Author and Expert Reviewer

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.