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.
Get the Best Software Development Company from the List of World’s Top Custom Software Development Companies & Software Developers 2021:
21. KitelyTech: 
https://kitelytech.com
KitelyTech is a full service technology consulting, design & development firm with offices in downtown Chicago, New York City, Atlanta, Detroit, Austin, Charlotte, Phoenix, and Miami.
The team at KitelyTech mixes together all of the ingredients required for a successful technology development company. We have highly-skilled designers & developers, architects, project managers, and testers, all recruited through an exceptionally rigorous process. Our employees have entrepreneurial and analytical minds, and understand the nuances of our customer’s businesses and project scopes. We have methodical project managers, creative designers, and highly driven management with a focus for quality and timely delivery.
Services Provided by KitelyTech:
Services include: Mobile Application Development, Custom Software Development, Branding and Graphic Design, Local and National SEO, Telemedicine Development, E-Learning Development, E-Commerce Development, Web Design, Web Development, AI & AR, SaaS-Based Application Development, Reporting & Data Analysis, Quality Assurance, Salesforce Consulting & Development, and more.
Key Clients:
22. Trivians:
https://trivians.com
Get your project done with seamless experience. 70% of Tech startups and projects fail. Make Your Software Project Thrive, Impact the World, and Prevent it from Dying. We have worked with many startups and seen challenges, failure, struggle. From experience, we have developed a bulletproof strategy to make your project succeed.
With all the complexity and challenges, you need the right strategy that covers all the challenges, problems, unseen issues, different aspects. With all the insights, lessons, feedback, research, we make sure that your project gets delivered successfully. Software Development is a very complex process. But we make it very easy for you.
Services Provided by Trivians:
Custom Software Development with: JavaScript (ES5, ES6, ES7), TypeScript, Node, Express.js, NoSQL, MongoDB, SQL, Postman, Linux, AWS, Heroku, Angular, Vue, and supporting libraries, Angular Material, Bootstrap 4, SCSS for styling, Git, BitBucket, GitHub, GitLab, ClickUp, Trello, Jira, Confluence
Key Clients:
23. Codup:
https://codup.co
For the last 8 years, Codup has been creating digital experiences for forward thinking businesses. We are a full service digital agency offering development services in the following niches: B2C and B2B eCommerce development, Business Process Automation, Customer Service Solutions, and Hospitality.
Services Provided by Codup:
B2C and B2B eCommerce development, wordpress development, Business Process Automation, Customer Service Solutions, and Hospitality.
Key Clients: Steelcase, Instent, Meal Plan Map, Vaxxenlab, PrintNow, Onetreeplanted, Heartland Sheds
24. Aalpha Information Systems:
https://www.aalpha.net
Aalpha Information Systems India Pvt. Ltd. is the global pioneer in providing IT consulting and bespoke software development solutions.
Services Provided by Aalpha Information Systems:
We provide Custom Development Solutions across Software Development, Web Development & Mobile App Development, Blockchain Development, WordPress Development, IoT App Development and many more.
Key Clients: Texas Police Dept., Bosch & Lomb, Emaar, Securitas, SwissRe, World Bank, Wurkr, etc…
25. JoinSoft:
https://joinsoft.com
JoinSoft is an outsourcing software development company that helps enterprises and start-ups to build innovative and tailored products and services. Our team of experts constantly expand their knowledge and professional skills to offer our clients feasible and up-to-date solutions that also do not break the bank. We consider balancing cost, time and quality as the ultimate goal of our development service to deliver your project on time, within the set budget and having all the required functional features.
We provide full-stack development and cover the entire lifecycle of a digital product moving from detailed assessment of your needs to building the product that reflects your vision and business requirements. Joinsoft experts use the leading programming languages and frameworks and provide support and maintenance service to make your IT infrastructure run smoothly and stay operational all the time.
Services Provided by JoinSoft:
Custom Software Development, Custom CRM Development, iOS & Android Mobile Application Development, Web Application Development, UX/UI Design Services, App Re-engineering, Chatbot Development.
Key Clients:
26. AgileTech Vietnam:
https://agiletech.vn
AgileTech Vietnam is a custom application development company that has been helping clients all over the world to reach their goals since 2015. With our highest ability, we aim to be enterprises’ reliable technical partner to support in boosting their businesses.
Services Provided by AgileTech Vietnam:
Mobile App Development, Website Development, AI – Big Data Services, Blockchain Services, Digital Transformation, Testing Services, Dedicated Team
Key Clients:
27. 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
28. 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
29. 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
30. 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.
31. 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.
32. 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
33. 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.
34. 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
35. 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.
36. 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
37. 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)
38. Codiant Software Technologies:
https://www.codiant.com
CODIANT is a YASH technologies company pioneering in Mobility and Custom Web Product Development. CODIANT is an ISO 9001-2008 & ISO/IEC 27001: 2013 Certified Company. Till date, we have delivered more than 700+ projects and have served 120+ clients worldwide and still counting! With an extensive portfolio and global clientele, the company is surpassing a span of industries like Healthcare & Telemedicine, Fitness, Travel & tourism, Ecommerce and Mcommerce, On-demand App Solutions, Insurance, Social networking, , Digital Wallets, Crypto currency, Bit Coin, Augmented Reality and Artificial Intelligence, Big Data and IoT and other globally changing industries. With more than 15 years of cumulative experience in deploying cutting-edge solutions to clients from diverse business verticals, the company specializes in providing solutions to Startups, SMEs, Public sector and Global Enterprises and helps them address emerging market challenges by defining, designing and building applications tailored to meet their specific business requirements.
Services Provided by Codiant:
Mobile app development, Web Design & Development, Enterprise Mobility, Blockchain Solutions, Cloud Solutions, UXD Development, Ecommerce Development, Internet of Things, Wearable app development.
Key Clients: TaxiApp UK, Brilliant Move, Six Taxi, Careclix, 247 Fitness , HomeSwapper, Bodyboss, Labayh, Mendzy, Autism West Midlands, Camio, Bolt, Fantopias, Trackter, Riezeo
Client’s Review:
“Codiant team did a great job on helping us build our presence on iOS, Android and Web. The Codiant team is skilled and dedicated to delivering a product that exceeds requirements.” – Michael Patchen
39. Prompt Softech:
https://www.promptsoftech.com
Prompt Softech is a passion-driven Software Development Company. We face every challenge with joy and commitment. We continuously seek a balance between ideas, design, and technology. We deliver intelligent products, engaging experience and exceptional solutions for our incredible clients all over the world. Proven global capabilities, quality standards, and efficient delivery processes make us your global partner for a new era.
Services Provided by Prompt Softech:
Software Development, IoT Solutions, Mobile App Development, Dynamics CRM Development
Key Clients: Amul, Grant Vintage,Reliance,Vodafone,Contech,Bayside,eonic.co.uk, IT Builder, Fire Safety First, Cloud Strong, Adani, Blue Dart, Creamistry
40. Software Planet Group:
https://softwareplanetgroup.co.uk
Meet One of Europe’s Top Web Development Companies – For over 19 years, Software Planet Group have provided a wide array of development services. From web, to AR/VR, to the Internet of Things (IoT), we help startups and enterprises succeed at the art of innovation. Perhaps our strongest suit, however, is our ability to put together remarkable mobile experiences. In fact, if your company is on the lookout for the best mobile app developers, our capable development team is a strong contender to the title.
SPG’s iOS and Android app developers are skilled in a multitude of native and hybrid technologies, including Swift, React Native and HTML5, and we have jointly put together more than **** successful applications.
Services Provided by Software Planet Group:
Software Development, Quality Assurance, UI/UX Design, Mobile Development, Web development, Full-stack Development.
Key Clients: NOKIA, Rank Sense, Clarity, Sequitur News LLC, Iron.io, Medical Software Company