Get the Best Software Development Company from the List of World’s Top Custom Software Development Companies & Software Developers 2021:
21. Emergent Software: 
https://www.emergentsoftware.net
Emergent Software is a technology solution provider that offers a full set of software-based services from custom software development to ongoing system maintenance & support serving clients from all industries in the Twin Cities metro, greater Minnesota and throughout the country. We are a Certified Microsoft Development Partner with a talented team of full-stack developers, SQL Server DBA’s, Graphic & UI Designers, and Project Managers. We also have a dedicated team of Microsoft Office experts ready to implement powerful tools such as SharePoint, PowerBI, Teams, and Power Apps. In addition to software consulting, we also develop commercial software products like Innovative Mentoring Software, a full-featured CRM solution tailored to the needs of youth mentoring organizations. Our unique blend of software consulting, systems maintenance, and product development experience positions our team to produce much more than just functioning software. We deliver complete technology solutions for all our customers. Services Provided by Emergent Software: Custom Software Development Services, Custom Business Applications, API & System Integrations, Business Process Automation, Cloud-Native Development & Cloud-Enablement, SaaS Product Development, Cross-Platform Mobile App Development, Custom Database Design, Website Development Services, Website Content Management Systems (CMS), Mobile Friendly Web Design, eCommerce Website Development, Website Accessibility Services, Website Security Audit & Remediation, Search Engine Optimization (SEO) Assessments, SQL Server Consulting: Administration & Development, Remote DBA Managed Services, Health Check & Security Audit, Database Backup & Disaster Recovery, High Availability Cluster Setup, Performance Tuning, SQL Server Best Practices Configuration, Business Intelligence & Reporting, Data Warehousing & ETL Development, Database Modeling & Design, SQL Server Cloud Migration, SharePoint Services, SharePoint Consulting & Development, SharePoint 365 Administrator Services Key Clients: The Tile Shop, Kalahari Resorts, Legrand AV, Toro, The City of Minneapolis, Frandsen Financial, Summit Orthopedics, Ames Construction, Interest for Others
22. Carmatec:
https://www.carmatec.com
Carmatec has been working with enterprises of all sizes around the world since 2003. With the launch of Carmatec INC we intent to be closer to our customers for better communication and to foster a strong relationship. Our team consists of expert consultants, who have years of experience understanding and solving business problems, infrastructure engineers, software programmers, project managers, and not but the least business experts who understand how business is done efficiently to create value. Our group of companies delivers 24×7 management services to mission-critical IT infrastructure running hundreds of thousands of websites and we monitor and manage more than ten thousand servers at any given point in time. We also work extensively in the cloud computing domain creating cloud applications for cloud service providers, setting up cloud infrastructure, and managing them.
Services Provided by Carmatec:
We are in IT Services, Mobile App Development, Software Development, Website Development, Web designing, PHP, HTML5, Ruby on Rails, Internet of things, eCommerce, iPhone, Quality Testing, Android, Mobile Computing, Reactjs, NodeJS, AngularJS.
Key Clients: DohaSooq, Inmateaid, Interserver, QIC, QOL Labs, Netrouting, Yapsody, Errorkart,Iasbaba, Qoyod, Jaguar PC, HealthPro, TheCollective
23. Rocketech:
https://www.rocketech.it
Rocketech is a software development company that specializes in analytics-driven web and mobile development. Our team has released 100+ products for 70+ startups and enterprises as IT consults. Our solutions are recognized The Apps Of The Day on App Store, receive recognition from Grammy awards and are highly acclaimed in their niches. We work with complex industries and narrow niches, delving into deep details.
Services Provided by Rocketech:
IT Consult, Development Analytics, Web and Mobile Development, UX/UI Design, Software Testing, Maintenance and Support
Key Clients: Galamart, Walmart, McKinsey, IQ Option, Vodafone, Sberbank, Unilever, TinkoffBank, Mail.ru, HAYS
24. ACESnWS:
https://www.acesnws.in
We are a IT Development Company based in Thane. We are into Software Development, Web Development, Mobile Apps Development, Ecommerce Development and many more services. Our expertise is creating innovative, effective, simple and easy to use softwares and web sites. Our services will ensure that you have the most effective and customer focused and user friendly softwares. We help you achieve great success in your business.
Services Provided by ACESnWS:
Software Development, Web Development, Mobile Apps Development, Ecommerce Development
Key Clients: Indian Navy, Bombay Gymkhana, Jaffer Bhai Delhi Darbar
25. CloudLogic Technologies:
http://www.cloudlogic.tech
CloudLogic Technologies private limited is a global software development company. We primarily focus on Cloud Solutions AWS and Microsoft Azure, Google Cloud Custom Software development, Mobile Application, Web application, ERP and CRM development.
We are Amazon web services registered partner for Microsoft Azure Clouds technology and development partner. Cloudlogic Technologies taps into the power of Mobile, Web, Analytics, IoT, Social & Cloud technologies to develop custom software applications and products for industry domains such as Retail, Transportation & Supply Chain, Healthcare and Financial Services.
Our customers include some of the world’s largest corporations as well as some of the fastest growing early stage companies.
Services Provided by Cloudlogic Technologies:
Cloudlogic Technologies provide reliable web and mobile applications (Native and Hybrid mobile apps), Analytics, PHP, AngularJS, NodeJS, ReactJS, DotNet, IoT, Custom software development, UI/UX Design-s, E-Commerce Solutions, Database Programming, CMS Development, Native Mobile Apps Development, Cross-Platform Mobile App Development, Enterprise Mobility Solutions and IT Consulting, Cloud technologies like AWS, Microsoft Azure, and Google Cloud Platform.
Key Clients: Sedar Global Inc, Allied Administrators, Sterling Business Administration, Homeporte, GMT Icecreams, RubyCampus, Canadian Language Learning College, BBSOcean, Crystal Cargo LLC.
26. Intellectsoft: 
http://www.intellectsoft.net
Intellectsoft founded in 2007 and is famous for its intelligent software/ mobile solutions. Intellectsoft is a full-service custom software and mobile app development company that has an expensive set of competencies to meet the enterprise needs. Considered as the smart place to begin mobile application development. Offices located in Silicon Valley, New York, London, Oslo and Minsk. Client hire Intellectsoft for its honesty and authenticity through and through. Intellectsoft team has proven experience in developing enterprise solutions which gives them a unique insight for complex mobile app necessities. Because of its experience and expertise, Intellectsoft is also considered as one of the top player in the industry.
Services Provided by Intellectsoft:
Services provided by Intellectsoft are Enterprise-Focused and versatile. They deliver agile applications with the purpose of satisfying customer app development needs. Company has delivered more then 300 projects over world wide clients.
27. Altar.io:
https://altar.io
Altar.io is an award-winning product & software agency based in Lisbon, London and Milan. We build digital products for entrepreneurs and business leaders who want to revolutionize their industries. We’ve been described as an “extended team of co-founders” because we’re very passionate and rigorous about all the work we do.
Services Provided by Altar.io:
Custom Software Development, Web and Mobile Development, Big Data Analysis, AI Applications
Key Clients: Apiax, AlixPartners, QuartalFS, Audio Test Kitchen, McKinsey & Co., Legartis
28. FATbit Technologies:
https://www.fatbit.com
FATbit Technologies is a web services firm with a global client base, providing digital commerce and turnkey marketplace solutions. It’s a NASSCOM registered organization that offers integrated services to global brands. Established in 2004, the company has helped 2000+ businesses establish their unique identity and offered support to various startups. The broad range of products and services along with utterly professional management has garnered FATbit Technologies a global presence.
Services Provided by FATbit:
eCommerce development, website design development, mobile app development, UX Optimization, UI, eCommerce Consultation, Digital Marketing, Social Media Marketing, SEO, Paid Marketing, ORM, Conversion rate optimization, eCommerce marketplace solution
Key Clients: HCL, FlyTXT, TVFPlay, Kazadu, US-Asia Institute, WinWire Technologies, Footloos, Wildrobe, MyCart, Mode&Seek
Client’s Review:
“FATbit made an impression from the very beginning and kept it throughout the project duration. From design to quality control team, every person who worked on the project was strict professional and star performer.” – Chris Carlson
29. Fluper:
https://www.fluper.com
Introduced in 2013, Fluper is #1 Mobo Agency globally. We are certified by IBM, NASSCOM, NSIC, & MSME. Our Specialization in Building Native Mobile Apps with high-quality makes us reliable. Talking about the achievements, we have been awarded as the Best Startup of the Year 2018 by Innovate India and Ranked #1 Mobile App Developers by AppFutura, Clutch, and Good Firms in UAE, USA, Canada, etc. The enterprise is known for its outstanding solutions as it gives its attention to cutting-edge technologies.
Services Provided by Fluper:
Mobile App Design, iPhone App Development, Android App Development, Wearable App Development, Enterprise App Development , App Marketing, App Management and Web Development are their our core services.
Key Clients: Careem, Grab, Badoo, Otlob, Foodoora, Taxify, etc.
30. Blue Whale Apps:
https://bluewhaleapps.com
BlueWhaleApps founded in 2006 and not ranked in top amongst other players in the app design and development industry with its outstanding capabilities and world-class developers. We are an industry leader in web, mobile, and cloud app development, which includes all web platforms, and iOS, Android and Windows. We have delivered powerful web and mobile solutions to the top brand in the market including Mead Johnson, NBC Universal, First Rate, Interactive One, Discovery Channel, Town Square Media, and AOL. Our developers created hundreds of iOS & Android custom apps, engineered wearable apps, Android TV apps and many more.
Services Provided by BlueWhaleApps:
AI/ML Development Services, API Integration Services, Mobile, Web, and Cloud Design and Development, Hybrid and Native App Development, App Store Optimization and Marketing, Conversion Rate Optimization, IT Technology Consulting, App Testing Services, Product Design and Strategy, Mobile Backend Engineering, Security & Compliance, CRM, ERP, and POS Application Development
Key Clients: Mead Johnson, NBC Universal, First Rate, Interactive One, Discovery Channel, Town Square Media
31. Smartym Pro:
https://smartym.pro
Smartym Pro is a software development company that delivers enterprise solutions and consumer
applications globally. From small web applications to BI-enabled IoT backends, and from social networks to workflow automation solutions, we have the expertise to cover any development task.
Services Provided by Smartym Pro:
Native mobile application development (iOS, Android), Responsive web solutions (PWA and AngularJS, VueJS, ReactJS), MVP app development: 3 months until app”s launch, Oracle/Java based enterprise solutions, Blockchain development services: custom Blockchain development & integration (Ethereum, Hyperledger, Corda, EOS)
Key Clients: Coach-Apps, Heineken, Automagic, Pepsico, Sony (retailers)
32. Rademade:
https://rademade.com
Rademade is a Custom Software Development company that provides a full cycle of offshore services: collection and analysis of requirements, the creation of custom software solutions, architecture, UX/UI design, QA, testing, remote administration, maintenance, and support.
Our experience covers the creation of web apps, mobile apps, Online Marketplaces, ERP and other SaaS products. We work with entrepreneurs during the development stages and testing, so you don’t need to worry about the further maintenance and support of the solid product. Our professional development team uses the Scrum methodology (Agile), so the process of our work is the most efficient and resource-saving.
Our high-end software developers create customized software for companies from Ukraine and other countries (UK, Europe, Asia), and you can entrust us to create your best software, mobile application, website or other projects.
Services provided by Rademade:
Business automation solutions in the form of Web and Mobile Apps. Our services include Business Analysis, Backend/Frontend development, QA, UX/UI design.
33. Serokell:
https://serokell.io
Serokell is a software development firm that delivers scalable, fault-resistant custom solutions for start-ups, medium-sized businesses, and enterprises. Serokell has a research laboratory, run together with the Russian university ITMO. There the team conducts studies in the domains of machine learning and artificial intelligence, mathematical modeling, and big data. This science-driven approach allows the team to meet their clients’ business requirements and apply advanced technologies to solve business-related issues.
Services Provided by Serokell:
A team of 50+ full stack developers can develop various types of software like ultra-large-scale systems, distributed systems, blockchain platforms, and data-intensive applications. Their area of focus is IoT, Artificial Intelligence, Blockchain, and Big Data.
Key Clients: Tocqueville Group, IOHK, Insolar, POA Network, DISCIPLINA
34. KitRUM:
https://kitrum.com
Since 2014, we’ve been helping CxOs of technology companies world-wide to get access to the most talented software engineers from Ukraine and Poland building software solutions for large enterprises, new ventures, and NGOs in the most risk-proof and cost-effective way possible. With us:
> your engineering team will get the specific technical expertise and domain knowledge you need;
> you will get access to world-class software engineering teams and technology consultants.
> your business can scale flexibly. Whether you need a 1 Senior guy for 4 weeks part-time or a team of 5 engineers for 12-24 months, we will help you find fit.
Honestly, what else do you need from a software development company?
Services Provided by KitRUM:
Custom Software Development, E-Commerce Development, IoT Development, Mobile App Development.
Key Clients: Our clients are a mix of Fortune enterprises, newly born VC-backed startups, NGO’s and private tech entrepreneurs.
36. TechMagic:
http://www.techmagic.co
TechMagic is a development company from Ukraine. Being startup founders ourselves, they help entrepreneurs to launch their great ideas. TechMagic execute Lean Startup Methodology and believe in Minimal Viable Product development to see if a concept works. They use Agile to make quick iterations and build solutions that really fit the market.
Services provided by TechMagic:
TechMagic has experienced in native iOS and Android application development with complex Back-End (Node.js). Also, they provide dedicated team model, so clients can build thier own team in Ukraine.
37. Algoworks:
https://www.algoworks.com
Algoworks is an IT service provider recognized globally as technology experts with offices in Sunnyvale, California and Noida, India. Spanning a decade, the customer retention rate stands at a whopping 99% for customers from US, UK, Europe, East Asia, South America and the Middle-East. We are mobile app development experts and have has developed 600+ apps for startups & Fortune 500 companies.
Services Provided by Algoworks:
Our core services include Mobile strategy, Native and Hybrid mobile app development, Ideation, Prototyping and competition analysis, User Interface and Experience, Mobile app Security, DevOps, Analytics strategy and ASO(App Store Optimization).
Key Clients:
38. Daffodil Software:
https://www.daffodilsw.com
Daffodil is a software engineering company that is a technology partner to 80+ dynamic organizations across the globe. Our ability to look beyond technologies and deliver innovative and progressive solutions has been lauded by our clients as well as the tech community worldwide.
Services Provided by Daffodil Software:
We help our clients gain a competitive edge by developing custom web and mobile applications that are a blend of user-centricity, innovation, and developmental excellence.
Key Clients: Singtel, Lenskart, Lybrate, Sony, Nokia, Pfizer, EMC DELL
39. Matellio:
http://www.matellio.com
With deep skills, robust processes and flexibility to develop paramount solutions, Matellio is famous as a one-stop shop for web, mobile and IT development needs. This visionary agency brings together a creative the most talented digital marketers, developers and quality assurance engineers, business analysts and web designers in one place to allow business to get everything on one platform.
Services provided by Matellio:
Harnessing the power of avant-garde tools and technologies, Matellio has a finesse in innovative web solutions, engaging mobile experiences, visualizing and processing GIS data, embedded solutions, solving complex problems in minimum possible time.
40. Sparx IT Solutions:
http://www.sparxitsolutions.com
Established in 2008, Sparx IT Solutions specializes in tailor-made, professional, effective and affordable web solutions. With the aim of achieving 100% customer satisfaction, the team at Sparx makes sure that their clients own a website exactly what they were looking for. They have worked for brands like Yamaha, Coca-Cola, Unilever, BMW, Yamaha, GSK, Revlon, Amdocs and many others. It is a NASSCOM certified PHP development company that has completed more than 13,200 projects for more than 9,100 clients worldwide.
Services provided by Sparx IT Solutions:
The major services offered by Sparx IT Solutions include design and markup, web development, eCommerce web development, business analytics, apps and game development and internet marketing.
As users thrive for personalization when they interact with websites and mobile apps, startups, enterprises and innovative brands look for custom software application services that can match up to their requirements and Companies that provide custom software development aim at addressing the business needs of organizations and businesses precisely against the traditional, off-the-shelf software. Custom software entails the development of a software product tailored to a specific purpose and targeted audience- be it users outside or employees within the company. Designing a software with organization’s needs in consideration is indeed a promise of improving productivity and more number of people using your products and services.
Here is the rundown of 10+ custom software developers for a wide range of industries that just don’t create a software but bring forth a real-time solution to cater to the changing business requirements. Make the right choice for your startup software development from among the handpicked custom software development companies for 2021 offering top-quality services worldwide.