Many organisations plan their budgets on a fiscal year basis, making cost savings a top priority at the beginning of each year. While negotiation, rationalisation, standardisation and relationship-building all contribute to reducing expenses, one key strategy is often overlooked:
Early Supplier Involvement
Early supplier involvement (ESI)
is a proactive approach that helps reduce costs for both new and existing specifications. ESI involves procurement professionals working collaboratively with strategic suppliers to review or develop product specifications.
Suppliers often have deep insights into their components, raw materials and production processes, making them well-placed to identify cost-saving opportunities. By engaging suppliers early, organisations can also gain visibility into sourcing strategies and production timelines, leading to economies of scale.
However, ESI is not just about leveraging supplier insights—it also involves sharing best practices from a procurement perspective. By understanding supplier processes, procurement teams can contribute to optimising supply chains and enhancing ESG (Environmental, Social, and Governance) practices.
There are four main types of Early Supplier Involvement
Figure 1: Types of ESI, adapted from Handfield et al. (1999)
As supplier responsibility increases, so does reliance on their expertise. Therefore, careful planning is essential when selecting the type of ESI to implement. Handing over full control of specification design, particularly for monopolised products, can pose risks—potentially limiting the buyer’s ability to switch suppliers in the future.
The main advantages and disadvantages of engaging in Early Supplier Involvement
Figure 2: Advantages and Disadvantages of ESI
One of the primary benefits of ESI is its cost-reduction potential. Procurement teams provide insights into material costs, supplier capabilities and supply chain risks, while suppliers contribute engineering expertise, innovative solutions and market-ready concepts.
This collaboration accelerates time-to-market, ensuring that new or improved products are available ahead of the competition.
Mitigating Risks in the Product Development Lifecycle
Another key advantage of ESI is its role in risk identification and mitigation at an early stage in the product development cycle.
Figure 3: Product Development Lifecycle, adapted from Leland (2023)
Sourcing teams assess supplier landscapes, identifying potential risks such as geopolitical instability, material shortages and logistical challenges. By working closely with suppliers, they can proactively adjust designs and sourcing strategies to align with material availability.
Practical Steps for Implementing Early Supplier Involvement
- Establish cross-functional teams
- Draw up terms of agreement (who owns the IPR)
- Implement Collaborative Tools
- Foster a culture of collaboration and communication
- Engage suppliers throughout the product development process
- Align objectives, goals and metrics
When managed effectively, ESI delivers significant advantages. However, it is crucial to conduct thorough due diligence and establish well-defined agreements to protect both parties involved.
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