Top 50+ App Development companies
Find a App Development agency to get even the most complex work done fast.

Browse top agencies
Explore 50+ App Development Agencies on Upwork
iSkillers
iSkillers is a startup software and IT solution providing company in Pakistan. We use the best Software Engineering practices to ensure your needs are met, be they General Software solutions or particular Projects. We are a team of website developers, mobile application developers, graphic designers, eCommerce services providers, quality content writers, software developers, SEO services contributors, digital marketing services, and other information technology services facilitators. High attention to detail and being punctual are our specialties. We always focus on building long-term relationships with all my clients by providing the work as requested at a competitive price. Having more than 5 years of experience in the above-mentioned fields, We have worked with many individuals and companies.
Gosofttech Solutions
We work with 100% client satisfaction. Gosofttech Solutions provides a complete package that includes a website, server, and mobile app development pertaining to high-quality services for the clients all over the world. We have a team of experienced AWS certified developers, creative designers, and professionals. Our work is based on four main principles: 1. Quality - the highest quality of products is guaranteed including free support. 2. Time line - we provide our services in strong time deadlines. 3. Communication - we try to be always online and free for communications. 4. Security - All the information/transactions are highly secured. we are working for client satisfaction other than money. Our main focus is to build up long-term professional relations.
J Computer Solutions LLC
J Computer Solutions LLC is a full scale IT agency based in Louisville, KY. We specialize in application development, data science and devops. With a focus on high quality deliverables and thorough communication you cannot go wrong with choosing us to handle your IT needs.
Techtinium
Accelerate your product vision with Techtinium, a leading product engineering company dedicated to building high-performance, scalable tech solutions for ambitious startups, and established enterprises globally. With a team of 50+ tech experts, we specialize in advanced data engineering, scalable cloud services, custom software, web and mobile app development, and comprehensive digital transformation services. We differentiate ourselves as true technology partners, collaborating with our clients to solve complex challenges, and accelerate product delivery and digital transformation. We have a proven track record of success with clients across North America and Europe. Our notable projects include: ~ SETI x Unistellar Citizen Science Platform: Data pipeline migration, event detection modeling, crowdsourced portal, and mobile app for tracking celestial events ~ Rheo: AI-powered real-time critical event detection, real-time object detection, ML models, and LLM-based chatbots ~ MWM: New product development, system upgrades, modernization, and customer site implementations Proud to hold partnerships and memberships with: ✅ Google Cloud Partner ✅ Microsoft Cloud Solution Provider ✅ AWS Partner Network ✅ Eclipse Foundation & Developers Alliance ✅ Open Invention Network community member Our Services: - Data Engineering - AI & ML - Cloud & DevOps - Custom Software Development - Mobile and Web App Development Industries: We have deep experience in Manufacturing (supply chain visibility), eCommerce (sales boosting & modernization), Financial Services (fintech automation & security), Enterprise SaaS, and Logistics. How We Engage with our Clients: Managed Services: Providing ongoing maintenance, support, and optimization for your technology stack. Product Management: Guiding your product vision from conception to market and beyond. User Experience (UX) Strategy: Crafting intuitive and engaging user experiences through strategic design. IT Consulting and Advisory: Offering expert guidance and strategic insights to optimize your IT landscape Why Partner with Us: - Focus on delivering real, measurable business outcomes - Trusted by 50+ clients globally - Flexible engagement models tailored to your needs - Dedicated senior engineer oversight for your project - An ecosystem of support spanning strategy, design, development, testing, marketing, and the complete product lifecycle Tech Stack: Frontend: React, Angular, Vue.js, PHP Backend: Node.js, Python, Java, .NET, MongoDB, Ruby on Rails, Django Mobile: Flutter, Java, Kotlin, Swift Cloud & DevOps: AWS, Azure, GCP, Heroku, Kubernetes, Jenkins, Docker, Github, Maven Blockchain: Polygon, Amazon QLDB, Hyperledger, Solidity, Rust, Trust Wallet Databases: PostgreSQL, MySQL, Redis Other Tools: GraphQL, REST APIs, CI/CD, Serverless Architectures
Davencia
Davencia is a multinational company based in the USA, specialized in Digital Services. It offers multiple custom-made services such as Web development & Mobile development, Data Analytics, UI/UX, SEO, Branding, and Voip services. Devenica offers assertive knowledge and expertise in digital transformation solutions according to the client's needs depending on the emerging market demands. Our main objectives are to help our clients identify, plan for, and capitalize on digital opportunity, strengthen their businesses and improve their performances.
Quanson Technology Consulting, LLC
We're a team of Software Engineers whose expertise is in custom software web & application development, with custom integrations. eCommerce: - Magento - Shopify - WooCommerce - UltraCart - BigCommerce - Shipping & Payment Integrations (Stripe) - Inventory & Sales Custom Full-Stack Web & App (iOS & Android) Development: - React - PHP - Python - Flutter - Postgres - MongoDB - MySQL - AWS - Azure - Google Cloud CRM: - CRM & ERP Integrations - Zoho CRM, Creator, Desk, Books, Projects, Inventory - Salesforce - Shipstation - HelloSign - QuickBooks Data: - Data Migrations - Sync (ETL) - Analytics & Visualizations - KPI Web Services: - SOAP - REST - RESTful Custom Alternatives: - Wordpress - Wix
Maple Leap Groups
Renowned for making e-power affordable for businesses, Maple Leap is a well-established multinational web development and digital marketing company. We encompass a wide range of online web solutions like - Customized designs, unique and creative idea flowing through the pages, E-commerce, Web-based applications, Online marketing, content management system, SEO, and every little thing that builds up to a perfect and one of a kind website. We have technologies, methodologies, and our highly experienced team of professional consultants, skilled writers, accomplished editors, and master designers with us to develop the perfect website you always wanted to have.
Codersarts
We're Codersarts, your bridge to digital success. We empower businesses, big and small, with custom software and AI solutions across web, mobile, data, and AI Our Expertise: Web & Mobile Dev, AI & ML, Chatbots & Agents, AI Consulting, Prototyping & MVPs, Programming & Support
Totem Studio
We are an experienced team of Full Stack and Mobile developers, Graphic and UX/UI Designers. We love to work together to deliver the best quality to our clients in all our projects. We have deep and extensive experience in developing pixel-perfect interfaces, with a great UX experience and adapted to all types of devices with cross-compatibility between browsers. We can also take care of your design, brand identity, or motion graphics. Or maybe your project is bigger? Maybe you want an app? Or maybe you want a marketplace? Online shop? Or maybe you want your own personal blog where you can upload all those memes with cats that you love so much? Whatever is your digital need, we are here to help you! 🎖How will our work look like once finished?🎖 ✅ The work we deliver is original and tailored for your needs. ✅ We deliver clean, maintainable code that is expandable and easy to read. ✅ We deliver outstanding designs, with a strong brand identity and clean design. ✅ The technical projects are optimized and roughly tested to ensure lightning-fast responsiveness. ✅ 100% satisfaction. Our work only ends when our client and we are satisfied with the result. ✅ Great availability and communication. We have the flexibility to adapt to your times and schedules. 🏆 We have developed & design top-notch projects. We can present a robust portfolio of projects. 🤝 We are eager to work with you, to provide reliable, consistent, and high-level solutions to design/develop changes. Please contact us to discuss how we can work together to fully meet your business needs. Best Regards, The Totem team.
Yojji LTD
🔥Who Are We? We are a team of professionals who offers tailored solutions for every business size. We use cutting-edge technologies in development and design to provide the most effective solutions for mobile applications, web platforms, payment, e-learning, healthcare systems, and much more. 🔥Why Us? ☑ Customer-focused approach. We offer clients the opportunity to unilaterally terminate the contract within the first month after the start of cooperation with Yojji in case of providing low-quality services. ☑ Extensive experience in delivering effective fintech, e-learning, and healthcare solutions. Considering all the features of these focused areas, we can create a product that optimizes your business opportunities. ☑ Transparency at all stages of the project, strict adherence to deadlines, and project development following clearly defined requirements. ☑ Flexible work schedule. We work in different time zones. We offer different communication channels, create the most convenient work schedule, and offer a wide range of management tools. ☑ Video resumes. We believe that effective collaboration primarily depends on people. Therefore, we offer a video resume of each employee, which will help you get to know the team better and learn more about the principles of the company. ☑ We deliver additional manpower supply if necessary. We guarantee that we will find an accomplished specialist for any position within two weeks. Our team includes: ○ Professional front-end, back-end, and full-stack developers, as well as mobile developers. ○ Highly skilled user interface (UI) and user experience (UX) designers. ○ QA developers oversee every stage of the development process and ensure that the software meets the highest standards. ○ Project managers organize project tasks and manage teamwork. ○ Account Managers and professional interpreters ensure smooth communication between the company and customers and help build long-term relationships with clients. 🔥What is our main focus? → Startups and MVPs; → FinTech, Health&Care, and E-learning business solutions; → Progressive web and mobile apps; → E-commerce solutions (custom website, web application); → API integration. We offer full-cycle web and mobile development to create high-performance IT solutions. Also, a professional team of UI/UX designers, QA developers, and IT consultants provides expert support throughout the entire product development phase - from idea development to product launch. 🔥UI/UX Design tools: → Sketch → Figma → Adobe Illustrator We integrate modern technologies into business projects of various kinds, including the most relevant at the moment in the world (Health&Care, E-learning, FinTech). Whatever service you need, Yojji is the right place to bring your project to.
Neteazy LLC.
SOLUTION ARCHITECT RSAD (Eclipse), FIGMA, UML TECHNICAL SKILLS NodeJs, Angular, REACT, .Net Core, .Net (C#, Asp, VB.NET, VB6), Amazon AWS , Google Cloud, Azure, Team Services, Sitefinity, DotnetNuke, MS SQL Server, Mysql, AWS RDS (Aurora etc.). Firebase, MangoDb 15+ years EDUCATION/CERTIFICATIONS MS in Computer Science, Rochester Institute of Technology (2001) Microsoft Certified Professional (MCP), 2008 BS in Information & Decision Sciences, University of Illinois at Chicago (1999) CSS, HTML, Web Forms, Java Script, JQuery, HTML5, CSS3, Angular, REACT, NodeJs, Telerik Controls, Kendo (UI, OpenAccess etc.), RESTFul WebServices (WebAPI) CMS: DotNetNuke, Sitefinity 14yrs JSON, XML, XSD, XSLT, SOAP, WSDL, DTD 8.0 UML Rational Rose 98 & 2000, Visio, Together UML for .NET 10.0 Perl Script, Python, CGI, DHTML, Korn Shell Scripting, PHP 5.0 SQL SERVER, MySQL, Aurora, Firebase, MangoDB, AWS RDS ORACLE (6, 7, 8.1i, 9i,11i), SYBASE 10,11 5.5 INFORMIX RDBMS, INFORMIX 4GL 2.0 JDBC, ODBC, ADO.NET, ADO, RDO, DAO, OLE DB 10.0 Visual Code, Visual Studio (C#, ASP.NET, Win Forms, C++, Sitefinity Thunder) Eclipse, Net Beans, Spring Source, Jenkins (Hudson), ANT, MAVEN 12.0 7.0 , MYSQL Management, SQL Server Enterprise Manager, SQL Advantage, SQL XML 12.0 SQL Navigator, PLSQL, TOAD, SQL*Plus, Golden, PL/Edit 5.0 Express, NodeJS, Internet Information Services (IIS) 4.0, 5.0, 5.1, 6.0, Visual Interdev 14.0 Github, Bitbucket, Mercurial, SVN, CVS, Rational ClearCase, VSS 10.0 Crystal Reports 6, 7, 9, 10 (Crystal Decisions) 10.0 XML Spy, XML Writer, Visual Studio .NET XML Designer 10.0 NetBeans 3.0 4.1, Eclipse 3.0 8.0 Sharepoint Portal Server 2003 9.0 Installshield, Windows Installer, WISE Inst Windows, Windows Servers, Mac, Linux, R EXPERIENCE Upworks Projects: Since 2017 - Current Frontier Inc., Rochester, NY Senior/Lead Analyst/.Net Software Engineer (C#, VB.Net, SQL Server, RESTful WebServices, HTML5, CSS3, Angular JS, Telerik-Kendo UI/OpenAccess, Sybase, Sitefinity 8.0, DNN(Open Source DotnetNuke), D1IM (Dell's Identity Management System) , ADFS, SharePoint) June 5th, 2015 – Present Applications: 1. Sitefinity - This C#.net module based Portal will provide a common platform for different Frontier's internal departments. This portal integrates ADFS authentication and role based access to areas/routes to the backend API. I setup development and test environments to install out of the box DNN software. I integrated ADFS authentication and developed ~20 modules using C#, Angular JS, Telerik/Kendo, WebAPI. Gorbel Inc., Fishers, NY Senior/Lead Software Engineer (C#, VB.Net, SQL Server, Sitefinity7.0, Syteline5-8, Auto CAD, SolidWorks) July11th, 2012 – May, 2015 Redesign Gorbel.com & Integrate Sitefinity (CMS): This is a complete redo of the existing Gorbel’s public website and dealer’s web portal. The goal is to provide as much as Content Management Control to the marketing as possible by using industries latest and greatest CMS i.e. Sitefinity 7.0. This project is developed in C# (.Net 4.5) and SQL SERVER 2014. Infor’s Syteline 8 (SL8) Integration: This is a design and development of a new backend process to submit online orders taken via dealer’s portal (dealers.gorbel.com) into SL8. Gorbel started migrating Syteline 5 to Syteline 8 in 2012 and needed to write a process against the new Syteline using SQL Server 2012 rather than old databases i.e. Progress Live. This backend process was developed in VB.net Senior Software Test Engineer (Oracle, PLSQL, Java6, Eclipse) Feb 21st, 2012 – June 1st, 2012 Xerox Rochester, NY Rochester, NY (6 months contract) Project Lead/Principal Software Engineer (C# .Net Visual Studio 2008/2010, TFSS, SQL Server) July 2010-Jan 30th, 2011 Applications: Xerox Mobile Print Solutions (XMPS): XMPS is a web service based application that is developed using Extensible Integrated Platform (EIP) to provide the custom service for the printers to register, receive, preview, print and manage documents that can be submitted using any mobile device. I worked in the lead role of the team with 6 developers and 2 testers. I worked closely with Business Requirements, System Engineers, Core and QA teams to plan, work and execute ongoing development on a Sprint (1-2weeks) basis. Global Crossing Inc. Rochester, NY Rochester, NY (Contract Long-term) Software Engineer (C# .Net/Java/J2EE) 2003-June 30th, 2010 Applications: EON (End to End Optronics Network): EON is the Global Order Management and Inventory application to provision/track circuit utilization of Global Crossing. EON is an internally developed application that runs on a Sun Solaris server with a Sybase database backend and a JBoss web server front end. I was mainly involved in design, development and maintenance of
TpISENT
ICT CONSULTANCY, SYSTEMS INTEGRATIONS, AND SYSTEMS OPERATIONS. TpISENT is a leading professional services company providing ICT consultancy, management consultancy, technology platforms, software development, User Experience Design in Sierra Leone with over 50 years of combined experience.
Core2Plus
Hi! If you're looking for a team that can help you with data-driven web design, web & eCommerce development, conversion-boosting best practices, and quite a lot of experience, you're in the right place! 10+ yrs working with WordPress and WooCommerce for e-commerce. We love to help companies and entrepreneurs to digitize their business and pump-up their sales! Top-quality execution is everytihing. What makes for a great website? And what you can expect from me: - Great copywriting that sells! - Customer-centric design (Intuitive UX) - Excellent aesthetics - Fast loading (Under 3 secs) - Google-optimized (SEO) - Fully responsive (+50% of your visits will come from a mobile device) - Security: anti-hack for you and safe payment process for your customers - Google Analytics integration (Data is the oil of this century, and what is not measured can't be improved!) ... and other best-practices that will optimize your conversion rates. There's no second chance for a first good impression! And that's the way I approach my projects. We're used to working with entrepreneurs, individuals, or companies. Our top priority is to make sure you're entirely satisfied with the deliverable. To make this happen, we'll foster fluent communication and a complete understanding of your needs and expectations. We're both fully fluent in English and Spanish, and I speak a little bit of Portuguese. Something else about us? Our team is made up of ex-googlers, and product managers in top companies like ABInBev. Looking forward to work together!
BMB Studio
Development studio, we’ve been creating innovative web and mobile applications since 2015, with the focus in Web services and Mobile products focused on security and encryption services. We can cover the full development cycle - from usability analysis to delivery to the markets, so you can concentrate on your business growth! Why work with us? - Expertise in Web development - Expertise in Mobile development and backend integration - Expertise in Security and security framework integration (OpenSSL, etc.) - Expertise in IoT and BLE devices for SmartHome - Expertise in Socket and XMPP for Chat Development - Expertise in WebRTC and PJSIP for Video and Audio calls development Technologies we use: - Node.js - PHP - Swift/Kotlin
Saubhagyam Web Pvt. Ltd.
WE DELIVER YOUR DREAM IN THE WORLD OF INTERNET!!! SAUBHAGYAM is a rapidly growing web design and development company with 25+ highly skilled IT experts in PHP & MySql Development, HTML/HTML5, CSS/CSS3, BootStrap, Responsive/Mobile-tablet friendly layout design, PSD Design, Wordpress, Woocommerce, Prestashop, Magento, iPhone, Android, SEO etc. We follow agile methodology throughout the project’s lifecycle, use project management tools and send the work report on daily basis thereby making sure that our client’s are always on same page with us. TECHNOLOGY EXPERIENCE: -------------------------------------- Open Source Technologies: PHP Frameworks: MVC, CakePHP, Zend Framework, Yii, Symfony, CodeIgniter Mobile Technologies: Java, Kotlin, Objective-C, Swift, React Native, Dart (Flutter) Database: MySQL, MS SQL, PostgreSQL, NoSQL, MongoDB CMS & amp; eCommerce: WordPress, Joomla, Drupal, Magento, Prestashop, Drupal Commerce, WooCommerce, UI/UX design: Adobe Photoshop,HTML, XHTML, HTML 5, Dreamweaver, Twitter Bootstrap, AJAX, JavaScript, jQuery, jQuery Mobile, Responsive/Fluid Designs Digital Marketing: Search Engine Optimization (SEO), Search Engine Marketing (SEM), Social Media Optimization (SMO), Link Building, Email Marketing, Blog Writing, Articles Writing. We always looking for a LONG TERM relationship with my esteemed clients! Let's work together!
wavetech
Do you need development services or design? We are providing services for custom Mobile and Web solutions for your business. The high quality of code is the utmost reason why you want to hire us. We are an agile team. We follow the Scrum methodology. We organize the work into Sprints. We plan at the beginning of every Sprint and keep our customers up-to-date informed. We use JetBrains YouTrack or Atlassian JIRA to organize our backlog. We do retrospective meetings to learn from the previous Sprint and do better. ✅ More than 6 years in web and mobile development and design ✅ Backend: Node.js (any frameworks) ✅ Mobile app: Ionic 5, React Native ✅ Database: MongoDB, Redis, ElasticSearch, MySQL, PostgreSQL ✅ Frontend experience: Angular 10, React, AngularJS, jQuery, Bootstrap, Material ✅ Version Control: GIT (GitHub, BitBucket, GitLab) Contact me if you are looking for hiring a part-time developer for a smaller web development project or ongoing maintenance and support services, or looking for hiring a full-time developer for ongoing development for a large project, or looking to hire a group of developers for enterprise-level application development and support. But our biggest strength is quality. We don’t settle with good enough, we pursue excellence and we do our best to keep our clients happy. Our goal is to grow with our clients as we believe their success is our success.
Benda Engineering, Inc.
A Design and Engineering Firm with Full-Stack IoT development capabilities. Our team has great diversity between Mixed-Signal Electronics development, embedded systems, several communication methods, cloud database, and user interface via Apps and Custom Web Software. Our experience in Bluetooth makes us a great fit for your low-power battery-operated consumer and industrial applications. We have experience in longer-range IoT services as well, including GSM/LTE, NB-IoT, LoRa and even WiFi. We can recommend a solution that is robust, fault-tolerant and meets your design specification, as well as regulatory compliance. We are comfortable in many software platforms, includes Javascript, PostGres, SQL, GraphQL, NodeJS, C/C++/C#, .Net, Python, React/React Native. Applications can be tailored for Android, IoS, Web, desktop and Custom Hardware. Contact us to discuss your detailed needs.
GIG Development
Let GIG Development be your next agency to help bring your ideas to life. We specialize in building technology to fit your needs and desires while meeting or beating your wait times. Our go-to-market strategies will help accelerate your business ideas into production.
Digital Heave
We are a team of top-notch Mobile App and Web App developers that consider customer service a core part of the business. We also provide QA services and Custom Software Development. We provide efficient support services including continuous integration and delivery support and cloud infrastructure deployment and support. Our team consists of highly educated and creative people who want their passion and technological prowess to be reflected in every project they work on. Our foremost aim is to provide complete client satisfaction. We are a highly efficient Web Development team with expertise in the areas of Internet Strategy, Web Designing, Branding, Search Engine Optimization, and cutting edge Web Technologies, which empowers clients to achieve their goals effectively.
Wel Infoweb Pvt Ltd
We are a full-service digital consultancy, we are adept at imparts custom-made services and solutions for Google Analytics, Web, and Mobile development delivering solutions to companies to stay agile and innovation-oriented. Our solutions designed to achieve high ROI with reduced costs and built-in security to take your business to the next level. We are the one-stop solution for all the digital services you require to elevate your business. Give power to your project with all the aspects of digital marketing services. We are a boutique digital transformation consultancy with the experience and capacity to build an intelligently designed digital future. We proffer you a wide range of services that help you find the right solution for you. Our team is an amalgamation of talent, skill, creativity, innovation. It is well versed with the latest trends of the IT industry, and we work in four stages of defining the vision, analyzing the current stage and identifying the voids, ideating the process, and architecture the process design in a cost-effective manner. Bring to the table win-win survival strategies to ensure proactive domination. At the end of the day, going forward, a new normal that has evolved from generation.
How to hire App Development agencies on Upwork
Choose your category
Whatever you need, help is at hand
Browse the agencies
There are thousands to pick from
Invite an agency
Read the profiles and approach your favorite
Start a conversation
Explain your goals and get started
Frequently asked questions
Which company is best for app development?
Who are the biggest app developers?
What is the difference between app development and app creation?
What is a mobile app developer?
- Work with business owners to plan and visualize apps
- Create apps with a focus on UX design and user experience
- Develop an intuitive and inviting user interface
- Refine apps to maximize functionality
- Test, evaluate, and troubleshoot apps
- Create top-notch deliverables and digital solutions for businesses