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Admissions open: offline weekend courses in Machine Learning + Deep Learning, Full Stack + Cloud + GenAI and Digital Marketing + Generative AI at our Kolkata office. Batch starts 5 December 2026, with live projects and a certificate. Enroll now
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MSME registered · ISO certified IT company

Software Development & IT Services That Grow Your Business

From websites and mobile apps to ERP, cloud and AI, HSR Hi-Tech Solutions designs, builds and supports technology for businesses in Kolkata, Haldia and across Eastern India.

View Our Work
Software developers writing code on multiple monitors
5 productsBuilt & run in-house
MSME & ISORegistered & certified
AI-readyWeb, mobile & cloud

Admissions open · Batch starts 5 December 2026

Industry-Ready Training in AI/ML, Full Stack & Digital Marketing

3 to 6-month offline weekend programs at our Kolkata office: up to 120 hours of hands-on training, mentorship and an internship opportunity. Live projects and a certificate in every course.

Explore Courses From ₹7,499* or EMI
Learners collaborating with a mentor during a hands-on training session
Weekend classesSaturday & Sunday
18+ live projectsAcross all courses
InternshipOpportunity for top performers

Built & run in-house

We Don't Just Build Software. We Run Our Own.

HSR Billbook, SmartAttend, PrepKendra and Luvlyy are designed, built and operated by our team, so we know exactly what it takes to launch and scale your product.

See Our Products
HSR Billbook GST billing software dashboard
PrepKendra government exam preparation app
On Google PlayPrepKendra & Luvlyy

SEO · Ads · Generative AI

Get Found on Google. Turn Visitors into Customers.

SEO, Google Ads, Meta Ads and AI-powered automation that bring you measurable leads, not just likes. Built and managed by our in-house marketing team.

Digital Marketing AI & Automation
Digital marketing channels on a tablet: SEO, social media and ads
SEO & Local SEORank on Google & Maps
Google & Meta AdsLeads, not likes
AI automationSave hours every week
11 IT services under one roof
5 In-house software products
110+ Projects completed
16 States served across India

Trusted by growing businesses across West Bengal

Skylark Admission Duniya logo Royal Decor logo Haldia Live logo Karsaathi logo Sulagna Enterprise logo Alumni Association of Haldia Institute of Technology logo Sakshi Computer logo Surya Property logo Maa Guest House logo
Team collaborating around a laptop in a modern office
MSME registered ISO certified

About HSR Hi-Tech Solutions

Your technology partner from idea to growth

HSR Hi-Tech Solutions is an MSME-registered software development and IT services company with offices in Kolkata and Haldia, West Bengal. We help startups, local businesses and institutions go digital with websites, mobile apps, ERP systems, cloud infrastructure, AI solutions and performance marketing.

We don't just build for clients. We build and run our own products, including HSR Billbook (GST billing software), HSR SmartAttend (face-recognition attendance), Luvlyy and PrepKendra, so we understand what it takes to launch, scale and support real software.

  • Websites, apps & ERP
  • Cloud & AI solutions
  • SEO & digital marketing
  • Training & internships
More about us

What we do

IT services built around your business goals

One accountable team for strategy, design, development, cloud and marketing, so your technology works together.

Website Development

Fast, mobile-first business websites, landing pages and e-commerce stores built to rank on Google and convert visitors into enquiries.

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Mobile App Development

Android, iOS and cross-platform apps, from MVP to Play Store launch, designed for real users and real scale.

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ERP Software

ERP consulting, implementation, data migration and integrations that connect accounts, inventory, sales and HR.

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Digital Marketing

SEO, Google Ads, Meta Ads and social media campaigns focused on leads and measurable ROI, not vanity metrics.

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AI & Machine Learning

Predictive models, analytics pipelines and ML features that move from pilot to production with clear metrics.

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Generative AI & Automation

AI assistants, document Q&A and workflow automation across your tools: practical AI that saves hours every week.

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Cloud Computing

Architecture, migration and DevOps on AWS, Azure and Google Cloud, with security and cost control built in.

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Data Science

Dashboards, reporting and data analysis that turn your business data into clear, confident decisions.

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Managed IT Services

Proactive monitoring, maintenance, backups and security for your IT infrastructure, so your team can focus on work.

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IT Consultation

Technology roadmaps, software selection and digital transformation advice from people who build software every day.

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Graphics Design

Logos, brand identity, social creatives and UI design that make your business look as good as it works.

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Not sure what you need?

Tell us about your business and we'll recommend the right solution, free of cost.

Our work

Products we've built and projects we've delivered

View full portfolio
HSR Billbook: GST Billing, POS & Inventory Software
Our product

HSR Billbook

GST Billing, POS & Inventory Software
Luvlyy: Free Dating App for India
Our product

Luvlyy

Free Dating App for India
HSR SmartAttend: Face Recognition Attendance System
Our product

HSR SmartAttend

Face Recognition Attendance System
PrepKendra: Government Exam Preparation App
Our product

PrepKendra

Government Exam Preparation App
Alumni Association of Haldia Institute of Technology: Alumni Association
Client project

Alumni Association of Haldia Institute of Technology

Alumni Association
Haldia Live: News Website
Client project

Haldia Live

News Website
Royal Decor: Interior Designer
Client project

Royal Decor

Interior Designer
Aim Finders: College Admission Counselling Portal
Client project

Aim Finders

College Admission Counselling Portal

Why choose HSR

Why businesses choose HSR Hi-Tech Solutions

We combine the reliability of an established IT company with the speed and care of a local team you can actually meet.

We build our own products

HSR Billbook, SmartAttend, PrepKendra and more are built and run by us. We bring that product thinking to every client project.

Local teams, real offices

Meet us in person at our offices in Kolkata (Sector V) and Haldia. No faceless outsourcing, no hand-offs.

End-to-end delivery

Design, development, cloud hosting, marketing and support from one accountable team.

Transparent pricing

Clear scope, fixed milestones and a written quote before work begins. You always know what you are paying for.

Modern, AI-ready stack

React, Node.js, Laravel, Flutter, AWS and Generative AI: technology chosen to scale with your business.

Support after launch

Maintenance, updates and quick help over phone, WhatsApp and email long after your project goes live.

How we work

A clear, proven process from first call to launch

  1. 01

    Discover

    We understand your business, goals, users and budget, then recommend the right solution.

  2. 02

    Plan & design

    Clear scope, timeline and quote, followed by wireframes and UI designs you approve.

  3. 03

    Build & test

    Agile development with regular demos, so you see progress every week. Every feature is tested.

  4. 04

    Launch

    Secure deployment on reliable cloud hosting, with SEO and analytics set up from day one.

  5. 05

    Support & grow

    Ongoing maintenance, improvements and marketing to keep your product growing.

Industries

Industries we serve

From hospitals and colleges to hotels, interior designers and startups, we build software that fits how each industry works.

Education & EdTech Hospitals & Healthcare Hotels & Hospitality Real Estate & Interiors Retail & E-commerce Finance & Tax Services Media & News Home & Repair Services Startups & Marketplaces Telecom & Security Associations & Non-profits Lifestyle & Consumer Apps
View all industries

Technology

Technologies we work with

Proven, modern tools chosen for speed, security and long-term maintainability.

Python Languages
JavaScript Languages
Java Languages
PHP Languages
React Frontend
Next.js Frontend
HTML5 Frontend
CSS3 Frontend
Tailwind CSS Frontend
Bootstrap Frontend
WordPress Frontend
Figma Frontend
Node.js Backend
Laravel Backend
MySQL Backend
PostgreSQL Backend
MongoDB Backend
Flutter Mobile
React Native Mobile
Android Mobile
iOS Mobile
Swift Mobile
Firebase Mobile
AWS Cloud & DevOps
Google Cloud Cloud & DevOps
Azure Cloud & DevOps
Docker Cloud & DevOps
GitHub Actions Cloud & DevOps
ChatGPT / OpenAI AI & Data
Claude AI & Data
Gemini AI & Data
LangChain AI & Data
Hugging Face AI & Data
TensorFlow AI & Data
PyTorch AI & Data
Keras AI & Data
scikit-learn AI & Data
OpenCV AI & Data
NumPy AI & Data
pandas AI & Data
Matplotlib AI & Data
Jupyter AI & Data
Power BI AI & Data
Training Programs

Industry-ready courses in Kolkata

3 to 6-month offline weekend programs at our Kolkata office, built for college students and working professionals. Up to 120 hours with live projects and a certificate. Next batch starts 5 December 2026.

View all programs

*Offer fee for the December 2026 weekend batch, subject to seat availability. EMI available.

Insights

Latest from our blog

Practical guides on websites, apps, digital marketing and AI for growing businesses.

View all articles

Where we work

IT services by state across India

Based in West Bengal with offices in Kolkata and Haldia, we work with businesses across 16 states in North, East, North-East and Central India, in person and remotely.

Kolkata Office
804, SIDCO Global Tower, CN Block, Sector V, Bidhannagar, Kolkata, West Bengal 700091

Haldia Office
House No. 1060, Kshudiram Nagar, Near Titli Gym, Haldia, West Bengal 721657

FAQs

Frequently asked questions

Can't find your answer? Call +91 91025 38091 or send us a message.

We offer website development, mobile app development, ERP software, digital marketing, AI and machine learning, generative AI and automation, cloud computing, data science, managed IT services, IT consultation and graphics design. We also run industry-oriented training programs and AICTE internships.

We have two offices in West Bengal: 804, SIDCO Global Tower, CN Block, Sector V, Bidhannagar, Kolkata 700091, and House No. 1060, Kshudiram Nagar, Near Titli Gym, Haldia 721657. We serve clients across Eastern, North-East and Central India, and work remotely with clients anywhere.

Cost depends on scope: the number of pages or screens, features, integrations and design requirements. We share a clear, itemised quote with fixed milestones before any work begins. Contact us or click "Get Free Quote" for a personalised estimate.

A business website typically takes 1 to 3 weeks, while custom web applications and mobile apps usually take 1 to 4 months depending on complexity. We agree on a timeline with weekly progress updates at the start of the project.

Yes. Many of our clients are small businesses, startups and local brands. Our solutions are scalable, so you can start lean and add features as you grow, without needing an in-house IT team.

Yes. We provide maintenance, updates, bug fixes, hosting management and help over phone, WhatsApp and email, with on-site visits when needed. Ongoing support plans are available for websites, apps and IT infrastructure.

Yes. Every website we build is SEO-ready, and our digital marketing team handles SEO, Google Business Profile, Google Ads, Meta Ads and social media to generate measurable leads.

Yes. We run offline weekend training programs at our Kolkata office: a 6-month Machine Learning + Deep Learning course, a 6-month Full Stack + Cloud Computing + Generative AI course and a 3-month Digital Marketing + Generative AI course, along with AICTE internships for engineering students.

Have a project in mind? Let's build it together.

Get a free consultation and a clear, itemised quote with fixed milestones.

+91 91025 38091