The evolution of Kaizen in a multinational food retailer

Case Study

The evolution of Kaizen in a multinational food retailer

Goals: implement a structured Kaizen Culture, stabilize operations, strengthen operational efficiency, and align continuous improvement with the overall business strategy

twitter
linkedin
facebook
daniel mendes

Daniel Mendes

Partner, UK&I, Director of Retail at Kaizen Institute

This case study summarizes a profound transformation journey at one of the largest food retailers worldwide, highlighting the evolution from isolated operational initiatives to an integrated Kaizen Culture model. The full story of this transformation, including its challenges, strategic decisions, and lessons learned, is described in greater detail in the book “The Kaizen Culture Paradox.

The company and the complexity of the retail sector

The organization under analysis is one of the ten largest food retailers worldwide, with operations in several European countries and an extensive network of warehouses and stores. It operates in a sector characterized by broad geographic reach, thin margins, direct contact with the end consumer, and operations that run virtually uninterrupted year-round.

Over time, geographic diversity and local team autonomy led to fragmentation in processes and operational practices. Each region developed its own working methods, resulting in varying productivity levels, inconsistent results, and difficulty ensuring uniform standards of excellence.

Given this context, the need to implement a structured continuous improvement model became evident—one capable of reducing operating costs, increasing efficiency, and ensuring a high and consistent level of service to the end customer.

The challenge of operational transformation

The initial assessment of the operation identified three structural challenges that were compromising efficiency and result consistency:

Fragmentation and lack of standardization

The warehouses operated with distinct, locally defined procedures, resulting in significant variations in productivity and service quality. The absence of global standards made it difficult to replicate and deploy best practices and to consolidate the gains achieved.

Inefficiencies across the value chain

Although the problems were more visible in logistics operations, it was quickly identified that many inefficiencies originated upstream—namely in planning decisions, procurement, and interdepartmental coordination. An isolated, function-by-function approach, therefore, proved insufficient.

Sustainability of improvements

Previous experiences had shown that isolated initiatives generated temporary gains but lacked structured mechanisms to ensure their long-term sustainability. The organization, therefore, needed to integrate continuous improvement into teams’ daily routines to build the capability to sustain results over time.

What if excellence starts with improving every day?

The structured approach to implementing a Kaizen culture

The transformation of this organization was developed and implemented in phases, evolving from more localized operational interventions to an integrated continuous improvement model supported by a Kaizen Promotion Office (KPO).

1. Operational stabilization and warehouse pilots

The journey began with pilot projects in warehouses representative of the company’s typical operations. The focus was on:

  • Workstation organization and standardization.
  • Definition of Standard Work for critical tasks, such as order picking.
  • Implementation of visual management.
  • Application of PDCA and SDCA cycles to consolidate improvements.

In just three months, significant productivity gains were recorded, along with improvements in on-time delivery levels (Full-On-Time Delivery). These quick wins were instrumental in building internal credibility and driving the model’s expansion.

Over the following three years, best practices were documented and disseminated through a structured Team Development Program (TDP), covering the vast majority of European operations and more than one hundred warehouses.

2. Cross-functional (end-to-end) projects across the value chain

With logistics operations stabilized, the organization expanded the scope of intervention to the value chain as a whole.

One of the most emblematic projects focused on consistently ensuring the availability of fresh bread in stores. The initiative involved store teams, maintenance, technology, and the commercial area, ensuring:

  • Equipment reliability.
  • Automation of baking schedules.
  • Optimization of recipes and supply of frozen dough.

The result translated into improved product quality, reduced waste, and greater consistency in the customer experience.

Another relevant project focused on simplifying the in-store replenishment process. By aligning shipping formats with shelf layouts, it was possible to significantly reduce replenishment time, freeing up between 20% and 30% of team time for direct customer support.

Also noteworthy is a project to reduce waste in perishable products, which, by optimizing order quantities and frequencies and introducing dashboards to monitor expiration dates and inventory, reduced the shrinkage rate by approximately 50% in the first year.

3. Implementation of Daily Management

To ensure the sustainability of results, a structured daily management model was introduced.

Simple and actionable key performance indicators (productivity, stockouts, cycle times) were defined and reviewed in daily team meetings. These sessions began to include:

  • Structured identification of deviations;
  • Root cause analysis;
  • Immediate definition of countermeasures.

Team leaders assumed a central role as facilitators/ambassadors of continuous improvement, promoting autonomy and accountability within operational teams.

In addition to operational gains, a relevant cultural impact was observed: greater engagement, reduced absenteeism, and an increased sense of belonging.

Master root cause analysis with the Ishikawa Diagram

4. Model consolidation and creation of the Kaizen Promotion Office

After several successful initiatives, it became necessary to consolidate the approach into a replicable and sustainable model.

The model was structured around four pillars:

  1. Process standardization.
  2. Team development.
  3. Daily management.
  4. Strategic integration.

An internal academy was created to provide training in Kaizen methodologies, and a Kaizen Promotion Office (KPO) was structured with global responsibility for defining standards and monitoring local implementation.

This balance between global consistency and local adaptation proved essential to ensuring commitment and initiative effectiveness.

5. Expansion to non-operational areas

At a later stage, continuous improvement was extended to areas such as marketing, sales, and administrative functions.

Recognizing the specific nature of these areas, with a greater creative component and less tangible performance indicators, tools were adapted, and more flexible solutions were implemented, such as:

  • Visual task management boards.
  • Weekly alignment meetings.
  • Pilot projects to optimize campaigns and commercial portfolios.

Although results were less immediate and quantifiable than in operations, improvements were observed in coordination, reduced execution times, and greater strategic alignment.

Strategic integration through Hoshin Kanri

To ensure alignment between continuous improvement and long-term objectives, Hoshin Kanri was implemented.

Through workshops with top management, five-year strategic objectives were defined and deployed into annual targets and priority projects. Clear KPIs were also established, regularly monitored, and cascaded across hierarchical levels.

This integration made it possible to:

  • Eliminate misaligned initiatives;
  • Prioritize projects with greater strategic impact;
  • Strengthen cross-functional accountability.

Continuous improvement thus ceased to be viewed as a set of operational initiatives and came to be positioned as a strategic driver for executing the company’s vision.

Key lessons for the future of the Kaizen methodology in retail

The experience demonstrated that creating sustainable impact in retail requires a systemic, disciplined, and integrated approach that connects operations, people, and strategy within a single management model. Among the key lessons learned throughout this journey are:

  • Kaizen in retail requires adaptation to the sector’s characteristics; simply transferring traditional industrial models is not effective.
  • Daily management is essential to ensure the sustainability of improvements.
  • Cultural transformation depends on active team involvement and leadership capability development;
  • Strategic alignment from the outset accelerates and amplifies the impact of initiatives;
  • Continuous improvement must encompass the entire organization — everyone, every day, in every area.

In a sector marked by thin margins, high operational complexity, and demanding consumers, the Kaizen management system proved not only a methodology but also a living philosophy, capable of evolving with the business and responding to future challenges, including digitalization, automation, and sustainability.

See more on KAIZEN™ Culture

Find out more about improving your organization

See more on Retail

Find out more about transformation in this sector

Get the latest news about Kaizen Institute