Digital Glossary · Business

What is a CRM (customer relationship management)?

In brief

A CRM (customer relationship management) is software and a way of working for managing customer relationships. It brings contacts, conversations, quotes and tasks together in one place, so sales, service and marketing always see the same up-to-date picture.

Category BusinessReading time approx. 3 minLast updated October 16, 2026
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CRM: definition and purpose

CRM stands for customer relationship management. It refers to a strategy and the matching software that stores all information on customers and prospects centrally: contact persons, emails, phone calls, quotes, orders and open tasks. This replaces scattered Excel lists, notes and individual employees’ inboxes.

A CRM answers questions that come up constantly in everyday work: when did we last speak with the customer? Which quote is open? Who is taking care of it? It becomes especially valuable when colleagues cover for each other, employees change or several people work on one customer.

Core features of a CRM system

At the center are contact and company management, a sales pipeline with stages from inquiry to closing, tasks and reminders, and a history of all activities. Reports add insights such as the closing rate, expected revenue or the question of which route the best customers came through. These figures emerge on the side when the data is maintained consistently.

Modern systems connect to email, calendar and telephony, pick up inquiries from website forms automatically and exchange data with ERP and accounting. Well-known standard solutions include HubSpot, Pipedrive, Salesforce, Zoho and Microsoft Dynamics 365; there are also custom-built solutions for special processes.

  • Contact and company management with a complete history
  • Sales pipeline with stages, probabilities and values
  • Tasks, reminders and follow-ups
  • Quote and document management
  • Reports and dashboards for sales and management

Real-world example: a supplier replaces Excel lists

A supplier of plastic parts manages customers and quotes in Excel. Three sales employees maintain their own files, follow-up dates are lost, and nobody knows which inquiries are still open. After introducing a CRM, inquiries from the website and email land in the pipeline automatically, and every inquiry has an owner and a follow-up date.

Management sees for the first time how much revenue sits in which stage and which sources bring the best customers. The key was keeping maintenance simple: few required fields, clear stages and a training session in which employees experienced the benefit for themselves.

Selection, data protection and common mistakes

Start with the processes, not the software. Clarify which data you really need, who maintains it and which systems must be connected. Since a CRM stores personal data, a data processing agreement, role permissions and deletion periods belong in from the start. For companies in Germany, hosting within the EU is often an important criterion.

Nano Concepts connects standard CRMs to your website, email and accounting and develops tailor-made CRM solutions when your processes don’t fit any standard software. We transfer existing Excel data into the new system in an orderly way, so nobody starts from zero and employees work with complete customer records from day one.

Frequently asked questions about CRM (customer relationship management)

Standard solutions are usually billed per user per month; the range runs from inexpensive entry-level plans to costly enterprise licenses. Setup, data migration, training and integrations come on top. Therefore calculate the total cost over several years.

Any company that works with customers and prospects on a recurring basis and whose information no longer fits in one person’s head. With two or three people in customer contact or a growing number of inquiries, a shared system usually pays off.

A CRM manages the relationship with customers and prospects, meaning contacts, sales opportunities and communication. An ERP controls internal resources and processes such as purchasing, warehouse, production and accounting. In practice, the two systems exchange data via interfaces.

Yes, if the legal basis, information for data subjects, data processing agreement with the provider, access rights and deletion concept are right. Also check where the data is stored. A legal assessment in the individual case should be made with your data protection officer.

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