Key Users in ERP Implementations: How to Ensure Project Success
- Mar 18
- 3 min read
Training Key Users: A Critical Factor in ERP Implementations
In every Enterprise Resource Planning implementation, there is one factor that can make the difference between resounding success and quiet failure: the involvement of Key Users.
While attention often focuses on the ERP vendor, technical team, or project managers, many implementations fail because insufficient importance is given to those who truly understand the business processes from the inside: the business users.
What Are Key Users?
Key Users are internal employees who act as a bridge between technical teams and end users. They have deep knowledge of their department’s processes, understand day-to-day operational needs, and can translate these requirements into valuable input for configuring, testing, and adapting the ERP to the company’s operational reality.
Why Are They So Important?
ERP success is not just about installing software—it’s about how well the system adapts to the company’s processes and culture. Key Users are essential because they:
Provide business knowledge that external IT teams do not have
Participate in process validation and functional testing
Identify operational risks and improvement opportunities
Train other users during deployment
Support cultural change from within, building trust
What Happens If They Are Not Involved?
Projects that do not involve Key Users from the start often face:
Functional errors due to misunderstanding of real processes
Resistance from end users who do not feel part of the change
Go-live delays caused by last-minute adjustments
Low post-launch adoption and change resistance
Extra costs for reconfigurations or support due to poor initial design
How to Select the Ideal Key User by Department
Selecting the right Key Users is critical. It’s not enough to assign someone “available” or with free time—they should be strategic profiles with specific skills.
Finance & Accounting
Profile: Analytical, detail-oriented, strong internal control mindset
Requirements: Deep knowledge of accounting standards, workflows, reconciliations, financial reporting
Ideal if: Experienced in financial closings and audits
Procurement
Profile: Negotiator, organized, supplier-savvy
Requirements: Knowledge of purchase cycles, approvals, contracts, pricing, and deliveries
Ideal if: Handles purchase orders and supply management daily
Sales & Customer Service
Profile: Communicative, user-experience focused
Requirements: Experience with CRM, quotes, invoicing, and after-sales support
Ideal if: Understands the customer journey and manages key accounts
Logistics & Warehousing
Profile: Operational, problem-solver, efficiency-minded
Requirements: Inventory movements, stock control, picking, receiving, and returns
Ideal if: Manages warehouses, inventory, and transport
Production / Services
Profile: Technical, continuous improvement mindset
Requirements: Knowledge of production processes, work orders, planning, and costs
Ideal if: Knows departmental bottlenecks and works closely with operators
Human Resources
Profile: Empathetic, discreet, strategic mindset
Requirements: Payroll management, leave policies, organizational structure, evaluations
Ideal if: Experienced in managing personnel and cross-functional processes
Best Practices to Engage Key Users
Involve them from the start of the project, not just during testing
Train them in change management methodologies, functional analysis, and documentation tools
Allocate real time in their schedules, with support from their direct supervisors
Recognize their role as change agents within the organization
Encourage participation in key decisions to ensure alignment between technology and real processes
Benefits of Investing in Strong Key Users
Smoother implementation aligned with operational reality
Higher adoption by end users
Reduction of functional errors or rework
Internal knowledge transfer and post-go-live autonomy
Promotion of a continuous improvement culture within the business
Gromarks’ Role in ERP Implementations
At Gromarks, we understand that ERP success depends not only on software but on the human capital that supports it. That’s why we guide our clients through the entire change management process, including the identification, training, and follow-up of Key Users, tailored to each business reality.
Our implementation teams work hand-in-hand with Key Users, ensuring the system is configured not just to function, but to enhance internal processes and generate real value.
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