Eiosys is a Mumbai-based CRM development company. We build systems around how your sales, service, and operations teams actually work — not the other way around. We work with businesses across Mumbai, Thane, Navi Mumbai, Kalyan, and the wider MMR industrial belt. Our custom CRM projects go live in 3-6 months, starting from INR 3 Lacs + GST.
Most CRM software makes you adapt to it. A custom CRM does the opposite — it’s built around what your team already does, so it only surfaces the actions and customer behaviour that actually need your attention. One glance, and you know exactly where things stand.
Every feature in our CRMs is built to be used, not just switched on. From a customer’s very first interaction with your business through to sales reports and forecasting, a custom CRM from Eiosys covers the full journey — so you spend less time digging through data and more time making the calls that grow your business.
Custom CRM Builds Delivered
Average CRM Go-Live Time
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Longest-Running Client Relationship
A custom CRM development company doesn’t hand you off-the-shelf software and leave you to make it fit. We start by mapping how your team actually sells, services, and follows up with customers — then build a system around that, instead of asking you to change how you work to suit the tool.
In practice, that means:
No bloated feature lists. If your team doesn't need a module, it doesn't go in — which keeps the CRM fast, simple, and actually adopted.
Before any development starts, we sit down with your sales, service, or operations team to understand how leads move, where deals stall, and what your team checks every single day.
Whether it's a manufacturing sales cycle, a pharma MR's field routine, or a retail team's lead-to-close process, the CRM is shaped around that specific workflow, not a generic template.
Email, WhatsApp, accounting software, ERP — a custom CRM connects to your existing tools instead of becoming one more disconnected system.
Ongoing support and maintenance so the CRM evolves as your business does, rather than becoming outdated the moment it ships.
The difference shows up in adoption. A CRM built around how your team already works gets used every day — not just during the first month after rollout.
Customise and create a CRM to fit the exact needs of your business. You can conceptualize features that align with your business goals and we will help you digitize it.
We will help you extend the power of your CRM to mobile, ensuring you and your team have on-the-go access to important data.
You can brainstorm your CRM goals and requirements with our in-house experts. Based on your goals, they will identify the perfect strategy, features and reports for your CRM.
Get a user-friendly CRM design that is intuitive and simple and enhances user engagement.
Our team will help you seamlessly integrate your CRM into other third-party apps to unify your business operations.
We will transfer your existing data into the new CRM to ensure that this technical change does not affect the operations of your business and the efficiency stays intact.
Enjoy reliable support and routine maintenance to ensure your CRM operates smoothly at all times.
It all starts with a detailed understanding of your business goals and brainstorming potential solutions.
Our developers create a custom CRM that aligns with your business processes and goals.
Design a CRM interface that is intuitive and easy to use, enhancing user adoption and satisfaction.
Post designing and CRM development, we rigorously test it to ensure that your CRM system is high-quality and ready for deployment.
Post-deployment, we provide ongoing support and updates to ensure optimal performance.
Our custom CRM solutions are designed to grow with your business, accommodating increased demands without sacrificing performance.
Custom CRM systems are highly cost-effective in the long run. As they are tailored to your needs, you can get rid of unnecessary functionalities and increase your business efficiency by focusing on what truly matters.Â
Improve customer satisfaction and retention through personalized service. Our clients have achieved a staggering 81% customer retention rate through usage of a custom CRM system.
Full control over your CRM software allows for better compliance with data security and privacy standards.
Achieve higher sales through improved lead management and customer engagement strategies. You will notice the difference within 3-6 months.Â
Capture leads from all sources into your CRM. Not just that, you can even segment leads as per their stages to effectively analyse their behaviour. This helps you decide the ideal communication strategy and maximise the conversion opportunity.
You get the option to implement flexible pricing and billing for your products and services. The sales team is aware of the base rates and can adjust the markups on the go. The system is flexible to accommodate pricing changes based on the customisation of services and products required for specific clients.
You can define custom processes as per your business needs in the CRM and track relevant metrics associated with it
Centralize all customer information for easy access and management, enhancing the effectiveness of marketing and sales efforts.
Generate detailed reports that provide insights into sales trends, customer behavior, and other metrics critical for your business.
Integrate with major email platforms to streamline communications and improve response times.
Trust in Mumbai’s best custom CRM development company with a proven track record of 400+ successful projects over the last decade.
Our team has the latest skills, technologies, and resources to deliver high-quality custom CRM solutions that exceed your expectations.
Right from initial consultation to delivery and post-sales support, we ensure that our CRM solutions are in sync with your business goals. We keep your satisfaction at the centre of our business.
There’s a reason we call ourselves the most reliable CRM developers in Mumbai. We not only help you develop and implement your CRM solution but also provide support in maintaining it.
Deepak Suvarna specializes in building custom ERP and CRM solutions. He has worked with clients from a wide range of industries, including manufacturing, pharma, real estate, education, e-commerce & online retail, healthcare, IT, jewelry, etc. He focuses on solving complex business workflows with practical, scalable systems tailored to each client’s operations.
It depends on the complexity of your business and goals. However, on an average it takes about 3-6 months to develop a fully functional CRM system.Â
The cost for implementing a custom CRM starts from INR 3 Lac + GST. The final cost would be communicated by the sales team after doing an initial requirements discovery call with you.
Yes, we use advanced security measures, data encryption and adhere to data protection regulations to safeguard your data.Â
Yes, we incorporate AI capabilities such as chatbots, sales forecasts, inventory forecasts, customer sentiment analysis and much more. This will provide you deeper insights into customer interactions.Â
Custom CRM solutions are specifically designed to fit the unique needs of your business. Consider a custom CRM designed for a wedding planning business. Unlike standard CRM software, this custom solution includes features specifically for tracking venue bookings, vendor management, and client communication timelines, tailored to the complex logistics of wedding planning. This customization eliminates the need to adapt to generic CRM features, directly enhancing efficiency and client satisfaction.
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