ISO 9001:2015
Certified Company

Transforming Your Ideas, Digitally

Our expert development team works on the cutting edge of technology and best practices.


Best Web Solutions at the Modern Website
Design Company in India

Our expert development team works on the cutting edge of technology and best practices.

If you mix innovative web design ideas, bespoke web development skills, rewarding online marketing solutions, futuristic technologies, and efficient technological consultation in a super blender, Intlum Technology will be the preparation you’ll get. Being one of the frontiers of web design and development companies, we leave no stones unturned for writing your success story.

We build everything from a quirky logo to the staggering design, interactive functionality, highly complex software, and Cloud-based Mobile applications. Our digital marketing solutions add perks to our credibility. And the futuristic solutions like IoT (Internet of Things), Chatbot, and Blockchain make us the most advanced IT company in Kolkata and India. On the other hand, our expert consultation section has helped an endless number of individuals and corporates grow their business in the right direction!

Web Design and UX

We Dress Your Website with Custom Designs that Convert!

Experience the fascinating aesthetics and vibrant design for your website made by us. Our team of commercially-driven UI-UX designers ensures the professionalism and uniqueness of your website to compliment your business’s reputation. Our custom designs maintain a nice balance between creativity and user experience that comes in handy for engagement and conversion.

In a nutshell, our designs are crafted to impress (the audience) and express (your goals and commitment). An unparallel creativity and knowledge of user engagement help us stay dominant with the label of top website design company in Kolkata.

Website design

Web Development

Not Only Websites, We Develop Your Business and Brand

We make a website or mobile app communicate with the audience. Our team of web developers are proficient in converting a collection of visuals into a functional website and app. The developmental skills help us let any application or website meet their goals. We develop sites and apps according to the agreed design and convert it to a dynamic piece of interaction with rich backend coding (with or without an open source CMS) and bespoke functionality.

An array of different technologies employed in our developmental works equip us to create almost every possible website that’s there on the market. The immense knowledge of CMS, frameworks, and different software help us to fight for the title – best web development company in India and retain it!

Website design

Online Marketing

Give Your Business Wings to Fly with Our Online Marketing Solutions

Marketing is the heart of any business and a website which is why a website without marketing is fairly a body without soul. We offer the story-driven, sprint-based approach to digital marketing which harness the data to create the human connections and help the businesses create value while staying agile. Our digital marketing strategies are crafted by our skilled digital marketers and we also offer consultation for any of your online marketing needs.

Our digital marketing executives will monitor your Information Architecture (IA), design, business nature, and target audience. Then we will make sure that your website turns into an effective marketing tool which is ready to convert and meet the business objectives. Our online marketing services contain SEO, SMO, ORM, PPC and much more.

Website design

Conversion Optimization

We Optimize Your Web Presence for Conversion

Intlum Technology is a devoted conversion optimization company at the heart of Kolkata. We eye on improving user experience by modifying the user perception, motivation and behavior on the website through psychological methodologies, design changes and A/B Testing. These are the proven methods to elevate your conversion rates, overall revenue and improve website accessibility. Our conversion optimization includes conducting surveys and audience investigations which eventually result in enriching user experience.

Being the leading web design company in Kolkata and India, Intlum focuses on nurturing your business with the most fruitful conversion that helps your business to grow bigger and better. Our end-to-end optimization process gives your business a pair of wings to fly and achieve the conversion you desire and deserve. Uplift your conversion rate by joining hands with Intlum.

Website design

We Serve All Industries

We stay on top of our industry by being experts in yours.

Our Clients Love our Work

No Challenge is Too Big, No Client is Too Small

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Ready To Grow? Get Your Free Quote Today:

Our digital strategists have put together successful Internet marketing campaigns for businesses ranging from local coffee shops to publicly traded companies.

Technology We Use

We make the technology talk! The wide variety of technologies used by our organization makes every complexity easy. The variety of technology and our expertise on them are simply hard to find elsewhere.

React Native

Potent JavaScript library for building impeccable user-interfaces


Easily build astounding single page apps much faster!


Easy to use, cross browser friendly and search engine optimized.


Now get richer and more responsive user-experience with AJAX


For large data transactions and for implementing a scalable model.


Laravel - Open-source object-oriented model-view-controller for php.


Slack - For best one to one & group communications.


MVC Framework for Node.js to write webapps with less code


Cloud-based SMTP provider that allows you to send email.

Google Calendar API

Track your events effortlessly with Google Calendar in your website.

Tumblr API

Boost your content marketing with the perfect tool - Tumblr


Easily add interactive charts to your website & web application

Reasons Why We Are the
Best Website Design Company in Kolkata

UI-UX ThatConvertsCustomDevelopmentSEO FriendlyWebsitesFree ConsultationAnd GuidanceTalentedTeamCost EffectiveSolutions145623
Cost Effective Web Development

With the best web design company in India like Intlum, forget about any hassle with your web development programs. We have developers with expertise in various technologies like WordPress, Magento, Custom PHP and much more at the most affordable price. If price is your concern, we are the right website development agency you have been looking for. We keep the price under a fair budget without hampering the quality of the end-product. Our websites serve quality at an affordable cost.

Talented Team

Our team of talented individuals come from different fields and possess different expertise in terms of UI-UX design, coding, web analysis, app development, project management, and conversion optimization. Each of our team members is immensely skilled and possesses an industry experience that help us offering the maximum ROI to our clients. From the brainstorming to the right deployment, testing, delivery, and support, we can offer a team with every expertise that you may need.

Free Consultation and Guidance

No matter what query you have in your mind, we are there with all the solutions. Our free website consultation and guidance will take your website and business to the height you have always aimed at. We understand that individuals with less knowledge of the technology may not always know what the best for them is! Thus, we come to the rescue and share our expert opinion on what’s best for your business and website. We are here to clear all your doubts concerning website or marketing.

SEO Friendly Websites

Being the leading digital marketing agency in Kolkata, we understand Google algorithms better than anyone else. If you want to have a website that dominates the search engine results, we are here to build the most SEO friendly website that drives traffic. Being the leading web design company in India, we always prioritize the SEO factor since it will help our clients to be on the top of the game and beat their contemporaries by getting an upper hand on the profit and ROI. We develop sites that rank!

Custom Development

We respect your creativity and that’s why our custom development will always help you convert your unique ideas into a dynamic website. From the website redesign to custom development, we serve all. As the modern web development company in Kolkata, we offer a custom solution to each and every individual and corporation who wants to develop a website that is one-of-a-kind. The clutter-free codes and user-friendly design are crafted as per your unique needs. If you’re unique, we will go custom.

UI-UX that Converts

We craft website designs that pay a lot of attention to the user experience and conversion. The perfectly crafted User Interface and User Experience are something that help keeping the audience engaged and love any particular website. This is why we bring the finest UI-UX elements and logics to the table and implement them on the websites we develop for our clients. Our team of expert designers specialize in websites that are compatible with producing more sales, and business leads with no added cost!

Our Services

Being the torch holder among the software and website development companies in Kolkata, Intlum’s services include website design, development, eCommerce website development, web application development, cloud software development, mobile application development, digital marketing services, chatbot development, blockchain technology and IoT development.

We giftwrap every possible web service needed to boost your business. Regardless of your requirement, we brainstorm and come up with all the next-gen web solution sorted for you. Avail services from the top website designers in India and be a part of awesome journey to the web where success will be the final destination.

Website Design

A powerful design not only captivates but also interacts with audience. Our interactive website design eyes on user experience, impact and conversion.

Website Development

Even the finest plans are wasted for the lack of proper implementation. Thus, we develop super-functional websites that serve purpose and bring conversion.

Ecommerce Development

Launch your online storefront with an organized product list, advanced shopping cart, and easy account access. We develop eCommerce website that sells.

Web Application Development

By leveraging the latest web technologies, we craft custom-made web applications engineered for long-term adaptability, stability, and performance.

Software Development on Cloud

We develop cloud-based software with a focus on your requirement and functionalities. We employ the latest trends and harvest the state-of-the-art software.

Mobile App Development

It’s time to make your business a brand. We help you reach your fullest potential by creating the hybrid and native mobile applications that embrace your business.

SEO Service

Opportunities are missed when your site misses out of the first-page ranking. We bring your site to the first page of Google and help you generate more revenues!

Digital Marketing

Marketing brings revenue. And that’s why we offer different digital marketing solutions like SMO, PPC, and ORM that bring your business to limelight.


Brand recognition is half the battle. Avail professional branding services like brand designing and strategy from us and get going towards success.

Internet of Things (IoT)

IoT is making the world smarter by connecting everything to everyone. Transform your business requirements into competitive differentiators with our IoT solutions.

Blockchain Development

Bring security, productivity, and transparency to your IT operations with blockchain. We develop blockchain applications that serve diverse industries.

Maintenance and Support

Clients are our first priority. So, we’ll never leave your hand! We provide free maintenance and support for any issue associated with your website, software or mobile app.

Why Choose Intlum

Client satisfaction, knowledge of current trends, and futuristic approach are the three fundaments that embrace Intlum’s glory as the best web design company in Kolkata. But besides the mentioned aspects, there are further reasons for choosing our company.

  • Paramount Integrity for Every Single Project
  • Free Maintenance and Support for A Vast Time Period
  • Profound Skill and Expertise in Custom Web Design and Development
  • 100+ Skilled Personnel Eliminate the Word: ‘Impossible’
  • One Step ahead of Deadlines Makes Each Delivery on Time
  • Affordable Price Tags for Any Assigned Project

Our Values

From the day of inception till now, there’ve been ups and downs in Intlum’s road to success. But one thing has remained constant – our heartfelt assistance to businesses from different industries in form of functional, responsive websites, lucrative mobile applications, and custom-made software at an affordable rate. Their success stories have made us the leading web development company in Kolkata.


We stick to the corporate governance standards which create a trust, morality, honesty, and accountability for our organization.

Value for Clients

We aim to create value for our clients since we believe in ‘give to have’ concept. Our heartfelt care and guidance for clients make them value us.


We are committed to the result-driven solutions which let us nurture exclusive result and an enhanced customer satisfaction.


Client requirements are ever-changing and so, our innovations anticipate the future to provide our clients everything they WILL require.

Insights from Digital Experts

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Our Selected

Being the Modern Web Design Company in India, we leave no stones unturned to offer the most lucrative digital services and leave our clients gape in awe!

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What Clients Say
About Us

Our mission is to provide everyone with high and useful reward for his/her trading, puchase and investment.

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