Looking for a top custom software developer?

Software developers own the process of transforming data into an organized structure for a product such as a mobile app or website. As you tackle complex development projects to grow your business, you'll need the right partner for your needs.

That's why we've created this list of the best software development companies for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business. (And, if you want personalized recommendations, tell us about your project.)

List of the Best Custom Software Developers

  • 211
    Undisclosed
    50 - 249 Employees
    New York NY

    Abto Software, founded in 2007, is a custom software engineering company headquartered in New York City, with an additional office in Lviv, Ukraine. The company’s team of 208 people specialize in AI, enterprise app modernization, and web development. Their clients are mid-market, small, and enterprise businesses. Most of the businesses they work with are in the IT, health care & medical, and retail industries. 

    Clients
    Medikit
    JustAnswer LLC
    Lime-Tec
    Industries
    Notable Project

    Abto Software did computer vision tech development for a logistics solutions company. The client needed a company that could do computer vision and optical character recognition (OCR). Abto Software built an Android app with the technologies the client needed using Git and Python. The client was satisfied with the product and the price, and they look forward to working with the company again. 

    “The product works great. We’ll definitely be working with Abto Software again in the future.” — Director of Product Management, Logistics Solutions Company
     

  • Tell us about your project

    NEED HELP SELECTING A COMPANY?

    Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

  • 212
    $25,000+
    10 - 49 Employees
    San Francisco CA

    Mayven is a San Francisco based software design and development company. They were founded in 2015 and have a team of 25 employees. They specialize in web, custom software, and eCommerce development for enterprise and midmarket clients.

    Clients
    Youtube
    Nike
    Indeed
    Notable Project

    Mayven rebuilt a web app for a hospitality startup. The client had been using a Wordpress based application to run their business, but as they grew, that app became to complex and slow and so Mayven migrated their app onto a Laravel platform, adding additional functionality and streamlining its operations to increase speed and usability. The client was very happy with the new web app and was extremely impressed with the quality of communication during the project, as well as the speed at which it was completed. 

    “The end product is extremely fast, flexible, and easily customizable for the future. We are very happy we took their advice.” – Co-Founders, Hospitality Startup
     

  • 213
    $25,000+
    250 - 999 Employees
    Palo Alto CA

    Cleverlance is an information services and technology firm that has offices in Redwood City, Calif., Prague, and Bratislava, Slovakia. Founded in 2000, Cleverlance's team of about 450 employees has nearly two decades of experience in web, software, and mobile app development. The firm primarily works with small business and mid-market clients – as well as a few larger enterprises – in the financial services industry, among others. 

    Clients
    ooREDoo
    Generale Group
    KBC Group
    02 Societe
    Industries
    Notable Project

    Cleverlance partnered with a telecommunications firm in order to work on app development and enhancement. The team at Cleverlance took the client's outdated voicemail app and relaunched after making major technical additions. The firm made the app compatible with both iOS and Android devices, designed it, and conducted QA and product testing. The client was impressed with Cleverlance's flexibility and creativity. 

    "They’re interested in trying new things and finding unique ways to sell more products or make them better, which is an invaluable asset in a partner." —HR Digital & Innovation Telecommunications Firm 

  • 214
    $5,000+
    250 - 999 Employees
    Gdańsk Poland

    Solwit SA is a custom software development firm based in Gdańsk, Poland. Founded in 201, their team of 500 serves clients in the IT, Financial services and utilities sectors. Services include NodeJS, AngularJS, and .NET development.

    Clients
    Acoustic Event Detection
    Nippon Seiki
    Voestalpine
    Industries
    Notable Project

    Solwit SA developed a learning management tool and an authoring tool for an e-publishing company. Their tool received high acclaim from their client and received positive publicity.

    “The authoring tool that we use, and that was developed by Solwit, has been included in the Top 20 Authoring Tools list, held by Training Industry, for three consecutive years.” – International Marketing Manager, E-Publishing Company

  • 215
    $5,000+
    10 - 49 Employees
    Warszawa Poland

    Da Vinci Studio is a computer software development company that was founded in 2009. They employ 16 industry professionals in two offices in Warsaw and Bielsko-Biała, Poland. The multifaceted team focuses on development services for mobile and web apps, branding films, knowledge management systems, e-commerce, and internal R&D. They work with small businesses, midmarket companies and global enterprises.

    Clients
    SparkSoftware
    Orange
    Ford Maspex
    Quotiss
    Notable Project

    Da Vinci Studio developed an enrollment website for a sports training program, including software for individual coaches and soccer clubs. They also created mobile apps and tools for evaluating player skill levels. Da Vinci Studio’s software receives great reviews from its users.

    “Overall, the collaboration with Da Vinci Studio has been positive and we’re happy about how our products look. Right now, everyone using our software appreciates it and we haven’t received any bug reports.” – Project Manager, Soccer Training Program

  • 216
    $10,000+
    50 - 249 Employees
    Tallinn Estonia

    Opus Online is a leading web design and development firm with headquarters in London and development centers around the world. The firm employs a staff of 50, of which 35 are full-stack developers. Since it was founded in 2009, Opus Online has acquired a reputation for creating high-quality, engaging sites and mobile apps with a customer-oriented approach. Most of Opus' clients are established global brands seeking interactive, well-designed consumer-facing websites. In addition to end-to-end development, Opus has a dedicated design team providing visual expertise and mock-ups.  

    Clients
    Rovio
    IBM
    Telia
    Nasdaq
    Industries
    Notable Project

    A prominent mobile game developer partnered with Opus Online to design and develop their flagship consumer-facing website. Opus had originally provided content management solutions through subcontracting. When the client needed a new website, they decided to hire them directly. The team delivered a highly customized content management system that prioritized straightforward navigation and interactive content. The client was pleased both with the quality of the work and communication processes, noting their flexibility for both in-person meetings and Skype calls. This partnership has helped both companies grow considerably.

    "I would not even talk to a vendor that didn't provide the level of quality found in Opus Online. I'm very picky in terms of companies that I work with. They met my expectations in this sense." - IT Manager, Mobile Game Developer

  • 217
    $25,000+
    50 - 249 Employees
    Kraków Poland

    Railwaymen is a software development company based in Krakow, Poland with another office in San Francisco. Founded in 2009, the team of about 125 provides web development, mobile app development, and custom software development.

    Clients
    ProTenders
    MySoberRoommate
    Safe Driving
    BookWhiz
    Industries
    Notable Project

    Railwaymen worked with an e-learning sports video website to create new features for its website. The team mainly used Ruby on Rails, but also used Java, HTML, and React Native. Their work resulted in a better onboarding experience for users.

    “Our site was advanced when they joined us. They understood it, made changes, and added features within a week.” — Founder, E-Learning Sports Video Website

  • 218
    $50,000+
    250 - 999 Employees
    Kraków Poland

    Codete is a Berlin based IT consulting and software development company. They were founded in 2010 and have a team of 104 employees who specialize in AI, big data consulting, and mobile app development. They mainly work with mid-market and enterprise clients in the financial services, automotive, and eCommerce industries. 

    Clients
    Wells Fargo
    Gelato Group
    BMW
    Industries
    Notable Project

    Codete upgraded the website of a study abroad company. They took over development of the client’s site, including a custom CRM and a content management system for schools. The client reports that, after the upgrade, the site loaded 60% faster and their traffic had doubled.

    “The quality of the people that they put on our project was really good, which leads to good communication, high productivity and high output.” – Co-Founder, Study Abroad Company
     

  • 220
    $100,000+
    10 - 49 Employees
    Chicago IL

    Tandem (formerly DevMynd) is a strategy, design, and technology company headquartered in Chicago. The company was founded in 2010 and has 37 employees. They work with both mid-market and enterprise businesses. The businesses they work with represent a variety of industries including health care and medical, education, and energy and natural resources. 
     

    Clients
    Major League Baseball
    IBM
    The University of Chicago
    Department of Defense
    Industries
    Notable Project

    Tandem provided design research and application development for a telecom company. The client’s technical competencies did not match their customers’ requirements, so Tandem helped the client find a customer-based solution. The company is working with the client to deliver, design and develop the product. The client has been satisfied with the company’s services and processes.

    “They’ve proven themselves with their methodologies that fill gaps by finding repeated patterns.” — Manager, Telecom Company
     

  • 221
    $5,000+
    50 - 249 Employees
    Poznań Poland

    Setapp is an AR/VR development firm founded in 2009. Based in Poznan, Poland, the team of 64 specializes in web development, mobile app development, and AR/VR development. They serve all levels of clientele in the education, media, and gaming industries. 

    Clients
    Exruptive
    Overflight
    Neverout
    Camelot
    Industries
    Notable Project

    Setapp worked remotely with the in-house team of a large publishing house to create a custom-built CMS. They provided both front- and back-end resources. They handled ongoing feature development and maintenance. The team filled a gap that local resources couldn’t cover, thus boosting internal efforts.

    "Overall, they’re a committed team that quickly became a valuable part of our internal processes. It was clear that they wanted to help us succeed." – Former CTO, Large Publishing House

  • 222
    $25,000+
    250 - 999 Employees
    Coventry United Kingdom

    Objectivity Ltd. is an IT company headquartered in Coventry, United Kingdom, that provides custom software and web development, as well as web design functions. Founded in 1991, the company has over 600 employees. The businesses they serve represent multiple industries including the business services, financial services, and real estate industries.
     

    Clients
    Edrington
    Suez UK
    Industries
    Notable Project

    Objectivity Ltd. provided staff augmentation services for a retail solutions company. The client needed Objectivity Ltd. to augment their development team. The team was working on headless commerce solutions, and the company provided teams to help the client with development, business analysis, and test functions. The company’s services have helped the client work more efficiently. 

    “We've seen a positive impact, and they increase our capabilities and capacity to deliver. They bring in a high level of technical expertise.” – Head of Software Development, Software Company 
     

  • 223
    $10,000+
    50 - 249 Employees
    Kharkiv Ukraine

    Founded in 2016, IdeaSoft.io is a software development firm that offers custom software development, blockchain, and web development services to their clients in the IT, business services, and education industries. Their 250 employees are based out of offices in New York, NY and Kharkov, Ukraine. .

    Clients
    Porsche
    Bittrex
    Bittrex, Securitize
    Industries
    Notable Project

    IdeaSoft.io recently worked on web development for a broker company. They implemented a ranking system through a database they developed for that client.

    “The database is available to specific customers, and it’s going quite well.” — CEO, Broker Company

     

  • 224
    $5,000+
    250 - 999 Employees
    London United Kingdom

    Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries. 

    Clients
    Purify Digital
    Triple Jump Technologies
    LabWorm
    Doppio
    Industries
    Notable Project

    Flat Rock Technology created an e-commerce website for a travel bicycle retailer. They continue to maintain the website with various updates. The client prides the team on their professionalism. 

    "There is a high degree of professionalism in the team, and they always go the extra mile to complete a task. By opening up new channels, we have increased our sales revenue opportunities exponentially." – Head of Digital Technology, Travel Bicycle Retailer

  • 225
    $5,000+
    50 - 249 Employees
    Amsterdam Netherlands
    WeAreBrain is a midsize software development company launched in 2015. Their team specializes in custom software development, Artificial Intelligence, and mobile app development. The company is located in Kyiv, Ukraine; Amsterdam, Netherlands and Kramatorsk, Ukraine.
    Industries
    Notable Project

    WeAreBrain was hired to develop a community portal for a business education organization. Their aim is to provide an appropriate space for members to congregate.

    "They are highly professional and always exhibit a cooperative spirit."

  • 226
    $50,000+
    50 - 249 Employees
    Miami FL

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

    Clients
    Eurostar
    Harley Davidson
    Jaguar
    Universal Pictures
    Industries
    Notable Project

    Intellectsoft created an e-commerce app with matching backend infrastructure, then integrated it into the client’s blockchain technology. Transforming the given creative demands into a satisfactory product under a strenuous deadline was deemed impressive, as were their communication skills and determination.

    “We've given them a challenge, and they've met it, which is why Intellectsoft has become our leading service provider for technology development.” – Program Manager, Holding Company

  • 227
    $10,000+
    250 - 999 Employees
    Kherson Ukraine

    WEZOM Studio is a development agency that has offices in Chicago and Kyiv, Ukraine. Founded in 1999, their team of about 250 focuses on clients in the transportation industry. They specialize in SEO, web design, and mobile app, development.  

    Clients
    Pavian Moto
    NEKO Lighting
    Frost
    WELD
    Industries
    Notable Project

    WEZOM developed a website that focuses on visual elements and e-commerce for the Spanish installation of the website.

     

  • 228
    $10,000+
    10 - 49 Employees
    Kraków Poland

    Codest is a software development company that was founded in 2009 and has offices in Krakow and Warsaw, Poland. They have 40 employees specialized in the end-to-end building of custom products, primarily for companies in e-commerce, marketplace, adtech, fintech, proptech and SaaS. Services include backend, frontend and product design.

    Clients
    Gazeta Wyborcza
    Helpling
    Kesko Senukai Digital
    Yogobe
    Industries
    Notable Project

    Codest developed the frontend and backend of a web-based tool for booking targeted online ads for a media company. The client found value in their nuanced understanding of industry needs, fluid communication, and high reliability. They enhanced the product using Ruby on Rails and JavaScript, and it has dramatically increased revenue and contributed to business growth.

    “Codest’s work has had a positive effect on our income. The platform makes it easier for our team to sell ads, which has resulted in increased business. It’s also being used by external customers, making it one of our most important products.” – Head of Development, Media Company

  • 229
    $25,000+
    50 - 249 Employees
    Wrocław Poland

    RST Software Masters is a custom software development house founded in 1998. They have offices in Wroclaw and Swidnica, Poland, where they employ 144 staff specializing in digital solutions and consulting, UX and product design, e-commerce, and custom software creation. RST Software Masters works with international enterprises, as well as small and midmarket companies. 

    Clients
    ING
    LG
    Electrolux
    Industries
    Notable Project

    RST Software Masters created a dashboard that displays measurements in real time for consumer goods company. RST Software Masters collaborated efficiently to produce deliverables on time. Their software development was integral to daily factory operations and enhanced the quality of internal stakeholders’ work.

    “Already in the first month after implementation we observed an improvement of the quality. Results are visible from the visual presentation of data and internal KPIs. The software contributed to the plans to introduce similar solutions in other departments.” – Specialist of Meteorology, Consumer Goods Company

  • 230
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Eastern Peak is an international software development company based in Kharkiv, Ukraine, with offices in Herzliya, Israel; Birmingham, U.K.; Manchester, U.K.; Geneva, Switzerland; London, and New York. Founded in 2010, Eastern Peak employs a team of over 100 who provide custom software development, IoT development, and mobile app development services for primarily mid-market businesses.

    Clients
    DPD UK
    Gett
    Western Union
    Cobra
    Industries
    Notable Project

    A SaaS enterprise provider engaged Eastern Peak to develop software development kits [SDK] that allowed users to connect to PHP and .NET components. Because users worked from various technologies, Eastern Peak's plug-ins allowed them to integrate with the client's Java platform. Users have implemented the plug-ins extensively.

    "Eastern Peak delivered 27 projects since we’ve started working together. Those connectors have been used by 461 of our customers." – CTO, SaaS Enterprise Provider

  • 231
    $25,000+
    50 - 249 Employees
    Northbrook IL

    A software development company, Velvetech is located just north of Chicago in Northbrook, IL. It was founded in 2004 and employs a team of around 50 development experts who specialize in custom software development, mobile app development, CRM and sales intelligence consulting, and web development for midmarket clients across a variety of industries.

    Clients
    Apache Corporation
    TradingBlock
    Insureon
    Tradespoon
    Industries
    Notable Project

    A healthcare software company hired Velvetech to supplement its internal team's work on 2 large projects. Velvetech used a .NET stack to build out a healthcare coordination app and patient-facing app that are both available on iOS and Android.

    "They were quick, bright, and nice to work with. Even though they weren’t familiar with some of the concepts in healthcare, they learned quickly. They were also polite and communicated well." – Senior VP of IT, Healthcare Software Company

  • 232
    $5,000+
    50 - 249 Employees
    Hrodna Belarus

    Exposit is a software development company based in Grodno, Belarus, and founded in 2012. Their team of 102 employees specializes in mobile app, web, and eCommerce development. They mainly work with clients  in the IT, financial services, and retail industries. 

    Clients
    Apollon
    Achivion
    Codiscope
    Industries
    Notable Project

    Exposit assisted an ad tech startup to create a web app. They developed front and backend software for a HTML5 cross platform media player that could stream a number of different sound and video file types. The client was happy with their service and their dedication to the project.

    “Their frontend specialists exceeded our expectations by going the extra mile when it mattered most. They always delivered their work on time and on budget.” – CTO, Ad Tech Startup
     

  • 233
    $75,000+
    50 - 249 Employees
    Amesbury MA

    Imarc is a full-service digital agency founded in 1997 and headquartered in Amesbury, Mass. Their team of around 40 employees includes engineers, designers, and marketing experts. They specialize in web design, web development, and custom software development.

    Clients
    JetBlue
    Texas Instruments
    Everbridge
    Notable Project

    Imarc did a custom redesign of a site for a healthcare nonprofit. They worked with the client to develop a model for the site and built it using CraftCMS to meet the client’s security requirements. The clients were pleased with the new site. 

    “The changes were instantaneous and received positive feedback from clients, sponsors, and our hospital colleagues. The site is professional and makes our branding more cohesive.” – Biz. Dev. and Com. Manager, Healthcare Nonprofit

  • 234
    $5,000+
    50 - 249 Employees
    Dallas TX

    ARKA Softwares is a software development company in India that was established in 2010. Their team of 46 employees offers custom software development, mobile app development, and web development services.

    Clients
    Infosys
    AXA
    Daimler
    Bacardi
    Industries
    Notable Project

    ARKA Softwares developed a customized e-commerce website for a limo service. Their team coded the front- and backend using ASPX and JavaScript and fixed any bugs. The site’s improved reliability has increased the number of quality leads. 

    "As a result of improved functionality, we’ve seen a significant increase in quality leads from the mobile site."–Managing Director, Limo Service

  • 235
    $50,000+
    10 - 49 Employees
    Cary NC

    Arkenea is a 10+ web and mobile app developer who specializes in e-commerce and IoT. Based in Pune, India with offices in San Jose, CA and Carrollton, TX, this team helps entrepreneurs find success with digital products.

    Clients
    Canvasly
    Carekeepr
    iBolt
    Martech Advisor
    Industries
    Notable Project

    Arkenea developed a consumer app for a leading self-help author and the client’s publisher. The team’s results, reliability, and responsiveness secured them a long-term partnership.

    “They are keen to please my company and always fix all problems right away. I would give them a full five for every metric.” – Author, Self-Help Guides

  • 236
    $1,000+
    250 - 999 Employees
    Warszawa Poland

    Britenet is a software outsourcing and IT services provider based in Warsaw, Poland. Since their founding in 2006, their team of 700 service providers has delivered custom software development, IT managed services, and IT staff augmentation to their clients.

    Clients
    First Data
    Generali
    IGT
    Hewlett Packard
    Industries
    Notable Project

    Britenet delivered software development support to a private investment firm, helping to write PHP for SalesForce environments managing everything from the backend of the website to API integrations to download and analyze market data.

    "I’ve been most impressed by how perfectly they combine the seriousness with which they take their work, the youth and enthusiasm that they bring to it as well, and the technical skill that they have in almost any area we bring to them. They have taken a keen interest in our business model and I think it helps them to see us as a partner rather than just a number or another client." - CEO, Private Investment Firm

  • 237
    Undisclosed
    250 - 999 Employees
    Seattle WA

    Velocity Partners is a software development agency based in Seattle, with offices in Capital Federal, Argentina, Montevideo, Uruguay, and Medellin, Colombia. Since 2000, their team of around 400 employees has been specializing in web, custom software, and e-commerce development for mid-market and enterprise clients. They're known to partner with clients in a variety of industries including financial services, IT, and healthcare.  

    Clients
    MTV
    Amazon
    Comcast
    Bloomberg
    Industries
    Notable Project

    Velocity Partners put together several versions of a website for an entertainment company targeting kids and families. They also set out to improve coding and transition the site to Amazon Web Services. The client saw an increase in web traffic as a result of the partnership. 

    "They’ve helped us increase our traffic by improving the site’s loading time. Also, the automation that they utilized in the coding process helped us save a lot of money and time when building new components." —Project Manager, Entertainment Company

  • 238
    $10,000+
    50 - 249 Employees
    Highland Heights OH

    Cabot Technology Solutions is a product engineering company headquartered in Kochi, India with satellite offices in Dubai and Highland Heights, OH. Founded in 2006, the team currently includes more than130 employees. Cabot Technology Solutions develops mobile apps, custom software, and websites for small businesses, midmarket, and enterprise companies alike.

    Clients
    SAP
    Cypress Semiconductors
    Dubai Police
    Emera
    Industries
    Notable Project

    Cabot Technology Solutions worked with a corporate wellness company to design, develop, and test an app for iOS and Android. The app features integrated educational tools, videos, and articles. Cabot Technology Solutions delivered a product with connective capabilities for wearable tech to monitor employees' fitness. Positive feedback reports indicate a strong response to the app so far.

     "The app looks very professional and well-done, like a product delivered by a big company that has been around for a while." – Owner, Corporate Wellness Company

  • 239
    $50,000+
    50 - 249 Employees
    London United Kingdom

    Inviqa is a global IT services firm headquartered in London, U.K., that was established in 2012. Their team of 134 employees provides web development, custom software development, staff augmentation, enterprise software integration, strategic consulting services.

    Clients
    BBC
    Warner Music International
    Virgin
    Lush Cosmetics
    Industries
    Notable Project

    Inviqa provided full-cycle web development for a holding company. They created over 50 flagship sites for different products using Magento, WordPress, and Drupal. The websites were responsive, e-commerce ready, and consistent with the products' respective brands.

    "We've gone from having a skeletal technical architecture that supported one or two brands to delivering 10 to 12 brands, and more than 60 websites over the course of these three years. It's a big feat that they've managed to deliver." – Head of Digital Solutions, Global Holding Company

  • 240
    $25,000+
    50 - 249 Employees
    Falls Church VA

    Digital agency Viget has a team of more than 70 employees, spread across 3 offices in the U.S. – Falls Church, Va., Durham, N.C., and Boulder, Colo. Founded in 1999, Viget provides web development, digital strategy, and web, UI/UX, and print design services business clients of all sizes and across industries.

    Clients
    ESPN
    Dick's Sporting Goods
    Chronicle of Higher Education
    World Wildlife Fund
    Industries
    Notable Project

    Viget created an e-commerce platform using Ruby on Rails for an identification company. Along with managing the project, Viget contributed to the user experience design, wireframing, and front- and back-end development of the platform. The client was impressed that Viget completed the product in 9-months.

    "Viget is very good at putting the right team together for their client. Their project managers were able to work with us to determine exactly what we wanted to build because we hadn’t defined everything on our end [when the project started]." – Former VP of Product Development, Identification Company

Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT