Prime Web Services
Web Development Company in Kolkata
We design and build fast, mobile-first websites and web apps for Kolkata businesses, from corporate sites to full e-commerce stores. Packages start at ₹25,000.
300+
Websites delivered
95
Average PageSpeed score
98%
Client retention
10+
Years of experience
Rated by our clients
What Kolkata businesses say on Google
Design meets performance
A web development company in Kolkata built for growth
Your website is your best salesperson
For most Kolkata businesses, the website is the first impression and the deciding factor in whether a visitor becomes a customer. A slow, dated or confusing site quietly costs you sales every day.
Prime Web Services builds websites that are fast, easy to use and designed to convert. From our New Town office we serve businesses across Kolkata, including Salt Lake and Rajarhat. As a full-service digital marketing company in Kolkata, we build with growth in mind from the first line of code.
Built to be found and to convert
Every website we build is structured for search from day one, so it works with your SEO and paid ad campaigns. We also handle what Indian businesses need: GST-ready billing pages, UPI and card checkout, and WhatsApp enquiry buttons.
The Prime Web Services promise
Fast load times, mobile-first design, clean code and a clear path to conversion, on every project we ship.
Explore our work
Web development services, industries and pricing in Kolkata
Find the page that matches what you need.
Web development services
- Web design company in KolkataUI/UX and brand-led design
- Ecommerce website development company in KolkataStores built to convert
- WordPress development company in KolkataCustom themes and Elementor builds
- Shopify development company in KolkataShopify setup, themes and apps
- WooCommerce development company in KolkataWooCommerce stores on WordPress
- Custom web application development company in KolkataPortals, dashboards, booking systems
- Landing page design company in KolkataPages that make ads pay off
- Website maintenance company in KolkataUpdates, security and backups
- Web development for small business in KolkataEntry packages for local firms
- Hire a WordPress developer in KolkataHire by project or monthly
Websites by industry
- Web development for real estate in KolkataListings and lead forms
- Web development for clinics and doctors in KolkataBooking and doctor profiles
- Web development for restaurants in KolkataMenus, ordering, table booking
- Web development for ecommerce brands in KolkataGrowth-stage online brands
- Web development for corporate companies in KolkataCorporate and group sites
- Web development for startups in KolkataMVP sites and early web apps
Pricing and add-ons
- Website development cost in KolkataWhat a website really costs
- Ecommerce website cost in KolkataStore pricing by platform
- Website development packages in KolkataCompare our packages
- Website maintenance cost in KolkataCare plan pricing
- Website redesign company in KolkataRedesign without losing rankings
- Website speed optimization services in KolkataFix slow pages
- Core Web Vitals optimization in KolkataLCP, INP and CLS fixes
- Payment gateway integration services in KolkataAccept UPI and card payments
Web development by area
- Web development company in New Town, KolkataOur office area
- Web development company in Salt Lake, KolkataSalt Lake clients
- Web development company in Rajarhat, KolkataNext to our office
- Web development company in Sector 5, KolkataSector V businesses
The Prime Web Services difference
Why businesses choose our web development company in Kolkata
Speed-first builds
We optimize every site for Core Web Vitals, so it loads fast and ranks better.
Mobile-first design
Most of your traffic is on mobile. We design for the smallest screen first.
SEO-ready structure
Clean code, proper headings and fast pages, built to rank from launch.
Conversion-focused
Clear layouts and calls to action that guide visitors toward becoming customers.
Secure and scalable
Stable, secure foundations that grow with your business.
Ongoing support
We stay for updates, fixes and improvements after launch.
The real cost of a slow, dated site
Visitors judge your business in seconds. If your site is slow or looks outdated, they leave, often before it loads.
- Lost sales: most visitors abandon a page that takes over 3 seconds to load.
- Weaker rankings: Google uses page speed and experience as ranking signals.
- Lower trust: a dated design makes even a great business look unreliable.
Already have a site? Our website redesign company in Kolkata page explains how we fix this without losing your rankings.
Modern tooling
Our development tech stack
Our web development process
As a trusted web development company in Kolkata, we follow a structured, results-driven process to build fast, responsive, and SEO-friendly websites tailored to your business goals. From understanding your requirements and planning the website structure to designing, developing, and launching your website, every step focuses on user experience, performance, and conversions.
Discovery and planning
We map your goals, audience and requirements, then plan the site structure and features around them.
Design and wireframing
We design clean, on-brand layouts and get your sign-off before a single line of code is written.
Development and testing
We build fast, responsive pages and test across devices, browsers and speed benchmarks.
Launch and support
We deploy carefully, configure tracking and stay on to support and improve your site.
Our portfolio
Recent web design and development projects
Greenbox Group SG
A fast, modern corporate website built to strengthen the group's online presence.
Neuro Nova
A custom-built website engineered for speed, clarity and conversions.
Adesca Greenbox
A clean, brand-led website design that reflects a premium identity.
Greenbox DTS
A polished, responsive website design crafted for a seamless user experience.
What clients say
Trusted by Kolkata businesses
"Our new site loads in under two seconds and enquiries have gone up noticeably. Prime Web Services delivered exactly what they promised."
"They rebuilt our e-commerce store from scratch. It's faster, easier to manage and our conversion rate improved right away."
"Professional team, clear communication and a beautiful result. The site looks premium and works flawlessly on mobile."
Transparent pricing
Web development packages in Kolkata
Clear starting prices. Every build includes speed optimization and mobile-first design.
| Package | Ideal for | Starting price | Core deliverables | Details |
|---|---|---|---|---|
| Business Website | Local and service businesses | ₹25,000+ | Up to 6 pages, custom design, mobile-first, contact forms, on-page SEO. | Website development cost in Kolkata |
| Corporate / Custom | Growing brands | ₹45,000+ | Custom UI/UX, CMS, blog, Core Web Vitals optimization, integrations. | Website development packages in Kolkata |
| E-Commerce Store | Shopify / WooCommerce | ₹60,000+ | Product and checkout setup, payment gateway, inventory, conversion optimization. | Ecommerce website cost in Kolkata |
| Care and Maintenance | Existing sites | ₹5,000 / month | Updates, security, backups, speed monitoring, small changes. | Website maintenance cost in Kolkata |
Every build includes
Mobile-first design, Core Web Vitals optimization, basic on-page SEO and post-launch support.
Knowledge base
Web development FAQs
How long does it take to build a website?
A business website typically takes 3 to 5 weeks; larger custom or e-commerce builds take longer. We share a clear timeline before we start.
How much does a website cost in Kolkata?
Business websites start at ₹25,000, corporate or custom sites at ₹45,000 and e-commerce stores at ₹60,000. See our website development cost in Kolkata guide for what changes the price.
Will my website be mobile-friendly and fast?
Always. Every site is built mobile-first and optimized for Core Web Vitals, so it loads fast on every device. Already have a slow site? See our website speed optimization services in Kolkata.
Can I update the website myself?
Yes. We build on user-friendly systems like WordPress so you can edit content easily, and we are here if you need a hand.
Do you build e-commerce stores?
Yes, on Shopify, WooCommerce or custom platforms, all optimized for speed and conversions. Learn more about ecommerce website development in Kolkata.
Can you add UPI and payment gateways?
Yes. We integrate payment gateways and UPI checkout into your store or booking flow. See payment gateway integration services in Kolkata.
Do you also handle SEO and marketing?
Yes. We are a full digital marketing company in Kolkata, so your site can be paired with SEO and paid ads.
What happens after launch?
We offer care plans for updates, security and speed, starting at ₹5,000 a month. See our website maintenance company in Kolkata page.
Explore more
Our other services in Kolkata
A great website works best alongside the right marketing.
Social Media Marketing Company in Kolkata
Build your brand and audience across Meta, Instagram and LinkedIn.
Work with a web development company in Kolkata that builds for growth
Tell us what you need and get a free quote with a clear timeline.
Prime Web ServicesSukhobristi Shapoorji Pallonji Housing Complex, Action Area III, Newtown, New Town, West Bengal 700135
info@primeweb.services