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Our services

  • CRM development

    We use the newest technology for software development such as OOP, design patterns, responsive design and others.

  • CRM customization

    We provide a wide range of CRM customizations, from adding new fields to develop complex extensions.

  • CRM integration

    We have done integrations with Google Calendar, Zendesk, IBM Connections, Asana, Atmail, FreePBX and many others.

  • CRM support

    We provide Level III support for your CRM system. So our technical experts can solve any issues.

We provide a wide range of high-quality solutions for CRM

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Our works

Our Customers

“iWave Information Systems has now used Letrium on several occasions for a multitude of custom requirements. Some were quite simple in scope and some were very involved. At every turn Letrium has done exceptional work and have provided us with “on the money” project estimates and always turned the project around in the estimated time frame. Letrium’s work has enabled us save significant time while working in Sugar and that has made my team more efficient and more productive.”

Glen Stevens,
Vice President of Sales
iWave Information Systems Inc.

“We are working with Letrium now for almost 5 years and they have proven to be a reliable and trustworthy partner. We also worked with other development partners in the Sugar field but always returned to Letrium because they do not only know Sugar inside out, they also understand requirements without us defining each and every tiny function. Letrium is and was an integrated part of our success.”

Robert Laussegger,
Managing Director,
iscon group

About Us

The specialists of our company "Letrium" are experts in their work and are able to manage the projects on any level. We have a sound knowledge and experience in developing a variety of web-additions, including integration and customization of CRM-systems on the basis of well known Open Source EspoCRM. We provide only qualified services and guarantee only "correct" solutions of your problems.

Number of completed Projects

CRM development and customizations:


CRM integrations:


CRM migrations:




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