We develop websites and apps that do exactly what you need. We specialize in custom web development services, which means that your solution will be tailored to perfectly fit your business.


Leverage our experience and hands-on knowledge of industry domains and specialized solutions.


We use mostly open-source technologies, which significantly cuts development costs without compromising on quality and security.


Greenice is a Top Rated web development agency established in 2007.

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Custom CRM Software Development

Greenice has been providing CRM development services since 2007. Let’s build your own CRM system that will perfectly match your business!

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Our CRM Development Services

Greenice specializes in building customer relationship management systems of any complexity level, for large or small businesses, in different domains from all over the globe. Whether you need to build a CRM from scratch or improve an existing software solution, you can rely on us.

Custom CRM development

Need to improve your business workflow?

We will help you automate your routine with a comprehensive CRM solution!

Our team provides full-cycle CRM software development. Send us your requirements and our Business Analysts will develop a plan to digitally transform your business while taking into account all challenges.

You will walk away with a 100% unique, secure, and reliable solution that will drive your business to the next level!

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New features implementation

Need to upgrade your custom CRM software?

As your business grows and evolves, you may feel that your current CRM solution does not meet your needs, or even slows your business down.

Allow us to redesign the existing functionality to develop and integrate the missing features into your system that will reinvigorate your present system, making it modern and competitive.

New features implementation

Data migration to custom-built CRM

Does your current system fail to keep up with today’s business? But at the same time you cannot simply move to another CRM because your current system stores tons of valuable data?

Before migration, we first make sure that the existing data is updated, cleaned, and restructured if needed.

Next, we extract and migrate all data from the existing system or systems into a newly created CRM. By designing an accurate data map, we migrate each piece of information to the corresponding position in the new system, preserving all connections between the current system and the new platform.

After migration, we check that integrations with third-party applications are still viable in the new CRM solution.

Data migration to custom-built CRM

Build CRM from scratch with the best PHP developers!

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CRM integrations

Need to exchange data with other company applications and third-party provider systems?

Our development team is highly experienced in API development, and integration between different software — namely accounting systems, marketing automation, calendars, websites, social media, and team communication tools. We will link your CRM application to other solutions that provide API, thereby creating a seamless and secure data exchange.

We integrated the CRM of a large U.S. cosmetics company with their inner ERP and call center. This integration allowed the company to automate and speed up its order management system and increase sales tremendously.

CRM integrations

CRM modernization

Is your current CRM too slow? Revitalize it for better efficiency!

Legacy code is one of the most frequent reasons for low performance and security problems. Long-lived CRM solutions need periodic code-refactoring and migration to newer technologies.

Trust us to migrate your solution to the newest version of the PHP framework. We have already helped many clients increase performance, enhance security, fix old bugs, integrate new services, and facilitate future CRM improvements.

CRM modernization

Mobile CRM development

Is your CRM solution going to be used by sales representatives or specialists who often work “in the field?”

We will develop a mobile version of your CRM that will perform superbly on all devices. The mobile app will enable your employees to access necessary customer data and manage it in real-time from any location.

Instead of copy-pasting the entire CRM, we’ll equip the mobile version with only the most critical features needed out of the office.

Mobile CRM development

Add mobility to your business!

Let’s add a mobile version to your CRM.

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5 Benefits of Custom CRM Development over Off-the-Shelf Solutions

Should you create your own CRM or buy a ready-made solution? Here are the key reasons to choose a custom CRM:


A custom-built solution is 100% tailored to your unique business needs and you do not have to compromise.


As your business evolves, it will require new features and modifications. A custom solution gives you absolute freedom.


You never know how and where off-the-shelf solutions store your data. Nor can you be certain who has access to it. With a custom solution, you can be sure that the code and access to the database belong only to you. When we implement custom solutions, we follow the latest security practices and use the most reliable cloud technologies.


A custom CRM is ideal for companies of all sizes, especially for small businesses that quickly evolve. As the number of users grows, the off-the-shelf solution may be inadequate. We plan the architecture of every custom CRM with future scalability in mind.


With custom-created solutions, there is no need to pay monthly fees. Moreover, ready-made CRMs include features you do not need. Therefore, you end up paying for something that cannot be removed. Once built, a custom CRM will stay with you forever, needing only minor updates. Thus, in the long run, a custom web-based CRM will save a lot of money.

Build a CRM That You Want

Our web development agency has experience developing unique feature-rich CRM applications. We are business-oriented and always take into account your specific workflow. Below, we listed the key CRM features that can become the core of your solution. Just add the details!

  • Leads/Customers/Contacts management
  • Task management and reminders
  • Dashboard and reporting
  • Email campaigns
  • Sales pipeline management
  • Automated workflows
  • Invoicing
  • File sharing
CRM features

Industries We Serve

How do we help businesses from different domains?

Real Estate

Manage contacts, listings, payments, and contracts with ease using a tailored CRM system designed for the needs of your real-estate agency. Our solutions can remind you of upcoming meetings, and to follow up with potential leads. They will also help prevent data loss.

Travel and Hospitality

Managing a travel company is almost impossible without a reliable CRM that will remind guests of their booking, prevent double booking, manage payments, and automate email marketing. Tell us what features you wish to see in your CRM and we’ll make your wishes come true.


Many of our projects belong to the Education industry. We can create a CRM for managing student admissions, fees, and marketing campaigns. We can integrate your CRM with platforms such as the Learning Management System for effective intercommunication.


Included in our extensive portfolio are sales-boosting custom CRMs for eCommerce companies from the Inc.500 list. Our solutions are integrated with other company applications like ERPs, accounting, customer call-centers, affiliate marketing, and logistics solutions. Altogether, they comprise a 360-degree overview of the business performance.


Track the interactions with your clinic’s patients more effectively with a custom CRM. We have created solutions for mental health clinics, caregiving agencies, pharmaceutical companies, and assisted Living Facilities. Not only do our solutions allow clinics to keep the patient’s profiles, but also track treatment progress, set appointment reminders, manage payments, and generate reports.

What’s your industry?

We’ll build a custom CRM a solution for your specific needs!

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How will we develop your CRM?

Here are the basic steps of Customer Relationship Management software development:

Step #1

Business Analysis

We will analyze your specific needs and processes to develop a tailored solution that meets your unique requirements and improves the overall customer relationship management.

Step #2


We will define the project scope, identifying the functional and non-functional requirements, and determining the timeline and budget to ensure the successful completion of the project.

Step #3

CRM UI Design

To create the UI design for a custom CRM, we will gather user requirements, conduct usability testing, and incorporate industry best practices to ensure the design is intuitive, visually appealing, and meets the needs of the end-users.

Step #4


We will use a combination of programming languages, frameworks, and databases based on the project requirements and best practices.

Step #5

QA Testing

We will conduct comprehensive testing at every stage of the development process to ensure that the system functions as intended, meets user requirements, and is reliable, secure, and scalable.

Step #6


After the final testing and validation, we will provide user training and support, migrate data from legacy systems, and ensure the system is scalable and meets industry standards before deploying it to the production environment.

Step #7

Maintenance and Support

We will provide regular software updates, bug fixes, and technical support, as well as add new features on demand basis.


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“Greenice was the best thing that happened to us.”
Imdat As, Founder & CEO, Arcbazar
“The entire Greenice team is eager to get involved.”
Bruce Lindsay, CEO, NoCowboys
“We love working with Greenice and their very professional team! We live and work in the US and although there is a time delay between us they always are available on our time and communicate very timely. Our project is amazing and functions exactly the way we had envisioned it would since the first day we started working with Greenice. Highly recommended.”
Taylor Cerjan, Partner and Co-Founder at at GO Staffing

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Our Expertise


Exotics Racing is website and ERP for the world’s largest fleet of supercars in Las Vegas for driving experiences. We made migration of their server infrastructure to AWS, worked on usability and backend.

Physiotec: the Leading Physiotherapy Exercise Software
Business Automation Healthcare Physiotec: the Leading Physiotherapy Exercise Software

Physiotec is a Canadian company that specializes in the development of rehabilitation exercise instructions for physiotherapists around the globe. We helped them create an electronic system to manage Home Exercise Programs (HEPs). Well-designed HEP software is a key for effective work and great experience for patients and therapists.

Assisted Living Facility Software for Senior Care
Business Automation Healthcare Assisted Living Facility Software for Senior Care

We developed software for managing assisted living facilities. The tool allows personnel to delegate most of their routing tasks to the program while they can pay more attention to the patients.

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