Capital Numbers

Capital Numbers is a software development company founded in 2012 and publicly listed on the Bombay Stock Exchange. Based in India with development centers in Kolkata and Gurgaon, the company operates a team of 500+ engineers serving 250+ clients globally. The firm started by specializing in WordPress and Magento solutions for small businesses navigating the digital shift, then expanded into custom software, mobile apps, AI/ML, cloud engineering, and data services. It generated 100 crore in revenue by 2024 and holds ISO 9001, ISO 27001, and SOC 2 Type II certifications.

Services and capabilities

Capital Numbers offers a broad suite of development services. Core offerings include custom software development, web development (WordPress, ReactJS, .NET, PHP), mobile app development (native iOS/Android and cross-platform via Flutter and Ionic), and quality assurance. The company also builds e-commerce platforms on Shopify, Magento, and WooCommerce.

AI and data work covers AI/ML, GenAI, and data engineering with real-time pipelines and predictive analytics. Cloud services span migration, infrastructure management, and serverless technologies on AWS. UI/UX design, emerging tech (AR/VR, blockchain), and platform solutions round out the menu. The firm works across 50+ technologies including React, Node.js, Java, Python, AWS, and Open AI.

Notable work

Published case studies include a real-time car auction platform with live bidding and CRM integration; a smart restaurant reservation system handling multi-location management and role-based access; a Salesforce migration for a healthtech company moving from SuiteCRM; a stock analysis platform modernized with real-time data pipelines and automated alerts; a predictive AI system for elderly care enabling early risk detection; and conversational AI mobile app for infant care (Node.js, Ionic, iOS, Android). A SaaS app for data science used ReactJS, Redux Toolkit, and TypeScript. Specific client names mentioned in testimonials include Inpel Corporation, The Internet of Team LLC, FairyGene, Like Media Group, Yeeo Inc., Creating Favors LLC, Fifty Blue, and ConversionFormula. References also cite work with Thomson Reuters and Harvard.

How they work

Capital Numbers offers three engagement models: managed team (fully dedicated to your product from concept to completion), staff augmentation (experts integrating into your existing team), and fixed-cost projects (upfront pricing with guaranteed delivery). The company commits to responding to inquiries within 8 hours or less via its website contact form or info@capitalnumbers.com. All engagements are covered by NDA. The firm also accepts RFI/RFP, existing project takeover, and task-based help requests.

Team and credentials

The leadership team has each served over 10 years at the company. CEO is Mukul Gupta; CTO is Pushpal Mazumder; CFO is Sanket Harlalka. The CTO blog covers AWS cost optimization, QA best practices, and AI-powered web design. Capital Numbers holds ISO 9001 and ISO 27001 certifications. SOC 2 Type II was achieved in 2024. The company is a Salesforce Partner, Adobe Solution Partner (Bronze tier), and Microsoft Partner. In 2024–2025, it received Times Business Award (Excellence in AI Solutions), NASSCOM SME Inspire 2025, Clutch Champion Awards, Clutch Global Leaders, Financial Times High-Growth Companies Asia-Pacific (2023), and 50+ awards over 12 years. The source states 97 out of 100 clients gave 5-star ratings on Google and Clutch, based on 300+ reviews.