The essentials
- Definition: a CRM (Customer Relationship Management) is the tool that brings together a company's contacts, its history of exchanges and its deal tracking.
- Its marketing role: it is the only source connecting a campaign to signed revenue, and therefore the reference for allocating a B2B budget.
- 2026 costs: free to €20 per user per month for a very small business, €30 to €100 for a small or mid-sized one, more with marketing and service modules.
- The main cause of failure: nobody enters the data; a CRM that isn't kept up produces false figures, which are more harmful than no measurement at all.
A CRM (Customer Relationship Management) is the tool that brings together all the information about a company's contacts: contact details, history of exchanges, quotes, orders, live deals, original source. Originally designed for sales teams, it has become the centrepiece of marketing measurement wherever the sale doesn't close online: it is the only place you can connect an advertising campaign to a contract signed months later.
What a CRM holds
| Subject | Example | Marketing use |
|---|---|---|
| Contact | Person, job title, contact details, consents | Segmentation, advertising lists |
| Company | Company, sector, size, associated contacts | Account-based targeting, fit with your ideal customer |
| Original source | Channel, campaign, keyword, entry page | Attributing revenue to campaigns |
| Deal or opportunity | Amount, stage, probability, close date | Pipeline generated by marketing |
| Activities | Calls, emails, meetings, notes | Lead response time |
| Lead status | New, qualified, rejected with a reason | Progression rate and campaign quality |
Why the CRM is marketing's source of truth
Advertising platforms count forms; the CRM counts customers. In B2B, three to nine months pass between the click and the signature, several people are involved, and half the forms lead nowhere. Without a CRM fed with the original source, there is no way to know which campaign produces revenue, and the budget gets allocated on costs per form that mean nothing. With a CRM that is kept up, you get the cost per signed deal by channel — the only figure worth allocating on, as explained in the KPIs to prioritise in B2B. The CRM is also what lets you measure your real customer acquisition cost and the progression rate between MQL and SQL.
The tools and 2026 costs
| Category | Examples | Cost per user per month | Who for |
|---|---|---|---|
| A simple or free CRM | HubSpot free tier, Zoho, Pipedrive, Axonaut | €0 to €30 | Very small businesses, freelancers, first steps towards structure |
| A full small business CRM | Pipedrive, Sellsy, HubSpot Sales, monday CRM | €30 to €100 | Small and mid-sized businesses with several salespeople |
| A CRM with marketing built in | HubSpot, ActiveCampaign, Plezi | €100 to €500 | Marketing and sales teams working in step |
| An enterprise suite | Salesforce, Microsoft Dynamics | €100 and up, plus integration | Larger companies and enterprises |
Licence cost is rarely the issue: setup, data migration and training often come to three to ten times the tool's annual budget for a small business.
Connecting the CRM to marketing
- Pass the source through: the form's campaign parameters land on the contact record and are never overwritten; the convention is described in tagging your digital campaigns.
- Send conversions back: signed deals go back to Google Ads and Meta so bidding optimises on real revenue rather than on forms.
- Sync the lists: customers to exclude from acquisition, best customers for lookalike audiences; see first-party data.
- Feed the workflows: the CRM triggers and stops your marketing automation.
- sequences. Produce the dashboard:
Why CRM projects fail
- leads, opportunities, signatures and timescales by source, reviewed monthly with sales. Nobody enters the data:
- the leading cause, by a distance. A half-filled CRM produces false figures that discredit the whole exercise. Too many mandatory fields:
- salespeople work around the tool; five fields kept up beat thirty that are ignored. No benefit for the user:
- if the CRM only serves management reporting, it is experienced as surveillance rather than as a tool. The original source overwritten:
- a record update that replaces the acquisition campaign with "website" destroys any possibility of attribution. No rejection reason:
- without a stated reason, marketing can't correct its targeting. An oversized tool:
How GreenRed helps
Rather than juggling several tools, GreenRed's return on investment module brings these metrics together in a single dashboard, compares them over time and tells you which actions come first. You can try it free, with no card, from the Pricing.
Frequently asked questions
What is a CRM?
A tool that brings together a company's contacts, history of exchanges, quotes, orders and live deals. For marketing, it is the only source connecting a campaign to signed revenue — particularly in B2B, where the sale closes offline.
What does a CRM cost a small business in 2026?
From €0 to €30 per user per month for a simple or free CRM, €30 to €100 for a full small business CRM, €100 to €500 with marketing modules built in. Setup, data migration and training often cost more than the annual licences.
Why connect your CRM to your marketing campaigns?
To know your cost per signed deal rather than per form. That requires each contact's source to be passed through from the site and never overwritten, and signatures to be sent back to the advertising platforms so bidding optimises on real revenue.
Why do CRM projects fail so often?
Because the data doesn't get entered: too many mandatory fields, no benefit for the salesperson, a tool experienced as surveillance. A half-filled CRM produces false figures, which are more harmful than no measurement at all. Five fields kept up beat thirty that are ignored.