How CPG Brands Demonstrate ROI When Partnering with Omnichannel Retail Commerce Agencies

The value is real. The reporting is scattered. Here are the four things every business case needs, whether you're asking for budget or proving that the budget is paying off.

Today, winning at Walmart, Sam's Club, and Amazon depends on multiple workstreams that used to be managed separately. Item content affects whether retail media converts. Replenishment decides whether a velocity gain lasts. Digital performance shapes what you can ask for in a line review. In-store and online results are tied together, and the work behind them spans account management, content, media, supply chain, and compliance.

Very few CPG brands can staff everything in-house at the depth each function needs. That's why most retail leaders with significant distribution work with an omnichannel retail commerce agency, or are seeking to hire one.

Retail leaders already know the value is there. The harder part might be demonstrating success to leadership. Results arrive in pieces: a media report from one platform, a compliance scorecard from another, POS data in a third place, and account updates in a weekly call. Finance sees a single partner fee on one line and a scattered set of results everywhere else. In that environment, the cost might be scrutinized.

This article is for the CPG brand leader who has to close that gap, either by making the case to a CFO before signing with a partner or by proving results to the CFO afterward. Here we cover the four things every retail business case needs, and what CPG leaders can use as a scorecard for where a retail partner should be moving the needle.

Key Takeaways

• •The value is cross-functional, so the case has to be too. No single report captures what an omnichannel partner contributes.
• •Four value streams make the case. Revenue growth, cost avoidance, retail media efficiency, and line review value.
• •Use your baseline and your margins. Trailing twelve-month actuals in contribution margin will hold up in a finance review.
• •Keep strategic value separate. Line review outcomes belong in a labeled scenario, not the core ROI.
• •The model doubles as a scorecard. If a partner can't report against these four, that tells you something.

Quick Links

• Two Ground Rules Before You Build
• 1. Revenue Growth: Velocity and Distribution
• 2. Cost Avoidance: Compliance and Deductions
• 3. Retail Media Efficiency
• 4. Line Review Value
• Put the Full Cost on the Table
• Presenting to Your CFO, and Keeping Your Partner Accountable
• People Also Ask
• Frequently Asked Questions
• The Bottom Line

Two Ground Rules Before You Build

First, build every line in contribution margin, not revenue. Finance will translate revenue into margin anyway, and a case that has already done it is more credible from the get-go.

Second, anchor everything to your own trailing twelve months. Benchmarks and partner case studies are useful context, but your CFO will judge the model against numbers they already recognize.

1. Revenue Growth: Velocity and Distribution

This is where a partner should be moving the business most visibly, and where claims most need discipline.

Model velocity and distribution as separate lines:

• Velocity value = lift in units/store/week × stores × weeks × margin per unit
• Distribution value = new or recovered stores × expected velocity × weeks on shelf in year one × margin per unit

Set velocity lift from your own history on comparable items. Count distribution only for the weeks an item will actually be on shelf this year.

Where your partner should be moving the needle: steady velocity gains on priority items in the existing footprint, and new or recovered distribution tied to a plan they helped build. If velocity is flat across the footprint and the only story is total sales, check whether distribution changes are hiding the trend.

2. Cost Avoidance: Compliance and Deductions

This is usually the most defensible line in the model, because the baseline already lives in your AP data.

• Compliance value = trailing 12 months of OTIF and SQEP charges × achievable reduction
• Deduction value = trailing 12 months of invalid deductions × share prevented or recovered

Break these charges down by their root cause, not just by the total. Item setup and ASN problems tend to resolve faster than capacity constraints, so a realistic reduction rate depends on what is actually driving the charges. Keep deductions on their own line regardless of who handles recovery. They are margins you've already earned.

Where your partner should be moving the needle: a falling trend in repeat charges from the same root causes, quarter over quarter. Disputing charges one at a time isn't the same thing. If the same failure categories keep appearing, the underlying issue isn't being fixed.

3. Retail Media Efficiency

Most business cases overstate media value by leading with ROAS. Your CFO will be more persuaded by efficiency:

• Media value = annual retail media spend × efficiency gain

The gain comes from moving the budget away from items that aren't ready to convert and toward items that are: strong content, healthy inventory, and margin that can support the spend. Where incrementality testing is available, use it to set the rate. Where it isn't, use a modest assumption and label it.

Where your partner should be moving the needle: spend decisions that reflect item readiness and inventory, not just platform metrics, and reporting that separates attributed results from incremental ones. A partner should not only report ROAS.

4. Line Review Value

Some of the most important value centers that a partner creates won't fit cleanly into a spreadsheet: keeping an item through a review, earning an expansion, or avoiding a delisting. Leaving it out undervalues the partnership. Putting it in the core ROI weakens the model's credibility.

Model it as a probability-weighted scenario:

• Line review value = annual margin of items at stake × improvement in the odds of a favorable outcome

Label it clearly as judgment. Finance teams respect a transparent scenario more than a hard number built on assumptions they can't test.

Where your partner should be moving the needle: an evidence package ready before the review, including comparable-store velocity, in-stock performance, digital results, and a supply plan, instead of material assembled the week before.

Put the Full Cost on the Table

A credible model is honest on both sides. Include the internal time the partnership requires and any incremental media or inventory investment the plan depends on.

Then add the comparison your CFO is already thinking about: the cost of building the same capability in-house. That means full salaries for account management, content, retail media, and supply chain roles, plus ramp time and the gaps that come from depending on a few individuals. For most brands, the real decision isn't partner versus nothing. It's partner versus hiring.

Presenting to Your CFO, and Keeping Your Partner Accountable

The same structure works whether you're asking for approval or reporting on results.

• Lead with the baseline. Show trailing twelve-month actuals for each of the four value streams.
• Show your assumptions. Every rate, where it came from, and how conservative it is.
• Keep the scenario separate. Line review value stays off the core ROI line.
• Agree on a quarterly review. Report against the model each quarter, with clear thresholds for expanding, holding, or changing course.

Turning the Business Case Into an Operating Tool

The quarterly review is what turns the business case into an operating tool. It gives finance the visibility it needs and gives you a clear standard for your partner. A retail management services partner that's delivering should be able to report against all four value streams without being asked. One that can't is telling you where the gaps are.

People Also Ask

Frequently Asked Questions

The Bottom Line

New Nexus Group is a Bentonville-based retail commerce partner whose team includes former Walmart and Sam's Club buyers. Its Manage Retail service brings account management, eCommerce, retail media, and supply chain support into one team for CPG brands at Walmart, Sam's Club, and Amazon.

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