Execution-as-a-Service (EaaS): Outcome-based Sourcing

Nowadays, most procurement teams already know what needs to be done. Category strategies exist; opportunity assessments are complete, and savings targets are established. The real constraint that they’re up against is time and capacity. There are only so many sourcing events, renewals, and supplier changes a lean team can handle in a year.

Execution-as-a-Service, or EaaS, offers a different way to close that gap. Instead of buying extra hours or headcount, organizations work with a partner to deliver specific outcomes that they align on together. The internal team and the third party work in parallel and/or collaboratively, which means more of the roadmap gets done, and it gets done earlier in the year, providing buffer in case things don’t go to plan and often resulting in more savings, faster, leaving more time for the benefit to accumulate within the year.

Moving work out of the “someday” pile

There is no shortage of ideas amongst procurement teams. Where a shortage does exist is when it comes to execution capacity. Pipelines fill with solid opportunities that never quite move from “planned” to “in progress” to “complete.”

EaaS is designed to move that work forward. What is regarded as execution will vary by company. For some, it is focused on identifying and substantiating savings in defined categories, building a credible business case, and handing that off to the internal team for realization of savings. For others, it means the inverse, taking viable opportunities and implementing them.  Or it may mean running the entire process from development of the savings forecast all the way through implementation, reporting, and purchasing compliance. 

The key point is that the work is no longer stuck in ideation or aspiration. It is owned, scheduled, and tracked to completion with the typical shortage of resources and time no longer being an obstacle.

Making outcomes the center of the model

Outcome-based models can sound more complex than they are. At a practical level, they ask and answer three questions.

• What specific results are we trying to achieve?
• How will we measure those results?
• How will compensation connect to those results?

Those results might include:

• Sourcing events completed in a specific set of categories
• Savings identified or realized against an agreed baseline
• Supplier transitions completed on time and within an acceptable risk profile
• Adoption or compliance levels for new agreements

The commercial details can vary, but the principle should stay simple. Both parties know what success looks like and how it will be recognized. That focus keeps conversations centered on impact rather than effort.

Where EaaS adds the most value

EaaS is not a universal answer, but there are situations where it tends to make a noticeable difference.

One common case is a team with more addressable spend than capacity. The strategy is clear, and leadership expects movement, but there are not enough hands to execute or even fully size the work. In this situation, a partner can take a defined slice of the roadmap and run structured savings identification as well as early sourcing activity. That includes benchmarking, mapping, and validating a pipeline of opportunities, and shaping business cases and forecasting savings. The internal team then uses that clarity to prioritize, engage stakeholders, and implement savings strategies where opportunities are most significant and/or have the greatest ROI along with those where relationships and change management matter most. This works well when internal relationships are strong but bandwidth for diagnostics and early-stage execution is limited.

Another good fit is in time-bound environments such as private equity-backed businesses or large transformation programs. When the pressure is on to deliver value within a specific window, running waves of sourcing or savings identification concurrently can compress timelines in a way a small internal team cannot match.

In other words, execution in an EaaS model does not have to look the same from one company to the next. It might mean sizing and sequencing opportunities, running full sourcing waves, or taking specific categories from idea to contract while the internal team focuses elsewhere. The common thread is that defined pieces of work move forward with clear ownership and outcomes, instead of sitting on a list of good intentions.

Conditions for success

EaaS works best when a few fundamentals are in place.

First, the scope needs to be clear. Vague requests such as “help us save more” rarely lead to a good experience on either side. Defining specific categories, spend ranges, or supplier groups gives everyone a shared view of what is in scope.

Second, there has to be an agreement on how outcomes will be measured. That includes baseline selection, timing of benefits, and how identified and realized savings will be treated. Bringing Finance into that conversation early is one of the simplest ways to avoid friction later.

Third, governance should be practical and explicit. The internal team and the provider need to know who owns which stakeholders, who can make which decisions, and how progress will be reported. EaaS should feel like an extension of the team, not a side project that lives on its own.

Lastly, knowledge transfer should not be an afterthought. Each wave of work should result in better documentation, cleaner data, and clearer playbooks. That way, the internal team grows stronger and more self-sufficient over time.

How EaaS fits alongside the internal team

EaaS is not a replacement for a strong internal procurement function. It is a way to expand execution capacity while keeping strategy, stakeholder relationships, and long-term category ownership inside the business.

For teams that have already invested in spend analysis, category strategies, and stakeholder alignment, EaaS can be the missing link between planning and results. More of the roadmap moves, more opportunities are either identified or realized, and more progress lands in the current fiscal year instead of being pushed into the next one.

If your team has a clear roadmap but limited capacity to execute it, Velocity can help turn plans into measurable outcomes. Contact Velocity Procurement to explore how an Execution-as-a-Service model can accelerate results, unlock savings sooner, and keep progress moving within the fiscal year.