Case study · Global CPG company

21.5% average per-ASIN retail-sales increase across 12 pilot listings

A global consumer-products company used Perci to optimize 12 Amazon.ca listings. The customer compared Stackline results across two consecutive 28-day periods in 2025: April 13–May 10 and May 11–June 7.

Global CPG company Amazon catalog case study
The anonymized company manages more than 1,000 Amazon Canada product codes across household healthcare brands.
+21.5%
Average per-ASIN retail-sales change*
+CAD $51.9K
Combined retail-sales increase
12 ASINs
Amazon.ca pilot

The challenge

The company managed more than 1,000 Amazon Canada listings, with roughly 400 priority codes driving most sales. Existing agency and copywriter workflows were slow, expensive, and difficult to scale through ecommerce, brand, legal, and regulatory review.

Comparable keyword and copy projects had received agency quotes as high as $1,200 per product code.

The pilot workflow

Perci researched Canadian competitors and keywords, generated titles, bullets, descriptions, and backend terms, and checked restricted phrases. The ecommerce team refined the output before brand, legal, and regulatory approval. Final content was syndicated to Amazon Canada through Salsify.

Global CPG Amazon optimization workflow
Perci sat at the beginning of the company's existing review and syndication process.

It's the upfront of our process, or the beginning of the conveyor belt.

Digital Shelf Operations Leader

How the pilot was run

Perci optimized product titles, five bullet points, descriptions, and backend keywords for 12 ASINs. Each listing was reviewed by the customer's Marketing, Legal, and Regulatory teams before Salsify ingestion and syndication to Amazon.ca.

The measured results

The customer measured results in Stackline across two consecutive 28-day periods: April 13–May 10 and May 11–June 7, 2025. Combined retail sales increased from CAD $1.503M to CAD $1.555M, a CAD $51.9K increase. Organic traffic increased from 80.0K to 92.8K (+16.0%).

Across the 12 ASINs, the simple average of individual retail-sales changes was +21.5%. Average conversion rate increased from 24.01% to 27.18%—a 3.17 percentage-point increase, or +13.2% relative.

Methodology: Customer-reported Stackline data for 12 Amazon.ca ASINs. “Average per-ASIN retail-sales change” is the unweighted mean of the 12 individual ASIN percentage changes. Combined retail sales represent total retail sales across all 12 ASINs. This was a timed before/after pilot, not a randomized controlled experiment; pricing, seasonality, merchandising, and other marketplace factors may have affected results.

Source: Customer-provided Stackline analysis, 2025.

Global CPG company Amazon pilot performance results
Customer-reported Stackline results for the 12-ASIN pilot, comparing April 13–May 10 with May 11–June 7, 2025.

The operational result

First-pass content turnaround fell from one or two weeks to one or two days. That let the team move into stakeholder review earlier and made optimization practical across more of the priority catalog.

The speed of it is part of the return on investment, not just the dollars for us.

Digital Shelf Operations Leader

After the pilot, the company began expanding the workflow across its broader Amazon Canada and US catalog.

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