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Development of a roadmap for Lean Six Sigma implementation and sustainability in a Scottish packing company

Verónica Flor Vallejo (School of Social Sciences, Heriot-Watt University, Edinburgh, UK)
Jiju Antony (Professor of Quality Management, Heriot-Watt University, Edinburgh, UK)
Jacqueline Ann Douglas (Liverpool Business School, Liverpool John Moores University, Liverpool, UK)
Paul Alexander (School of Social Sciences, Heriot-Watt University, Edinburgh, UK)
Michael Sony (Department of Industrial Engineering, Namibia University of Science and Technology, Windhoek, Namibia)

The TQM Journal

ISSN: 1754-2731

Article publication date: 14 May 2020

Issue publication date: 4 November 2020

1093

Abstract

Purpose

Lean Six Sigma (LSS) is a continuous improvement methodology that has been adopted by several companies as a strategy to increase their competitive advantage. However, due to the misuse of LSS theory in practice, a high rate of implementation failure results. There is a need for a structured and standardised framework to describe how the LSS initiative should be implemented and sustained over time. As a result, this study aims to develop a practical, user-friendly and accurate LSS road map for a Scottish manufacturing small and medium enterprise.

Design/methodology/approach

The approach was to analyse existing literature on lean and Six Sigma that included road maps and critical success factors (CSFs) in order to design an in-company, quantitative survey instrument. The aim of the survey was to evaluate employees' perceptions on the importance of LSS CSFs for the successful implementation and sustainability of a continuous improvement initiative. Based on the literature and results from the data collected, an LSS reference guide - in the form of a road map - was designed to support LSS implementation and sustainability.

Findings

A customised LSS reference guide in a road map format for the Scottish SME was proposed. This road map was developed by adopting existing successful road maps from the literature into consideration and then adapting them to fulfil the company's particular perspective on CI. This study complements current literature on LSS road maps and corroborates LSS CSFs as crucial for successful LSS implementation and sustainability, regardless of the type of company and/or culture. However, a degree of importance is ascribed to the organisation's culture.

Research limitations/implications

Whilst a survey was used as the data collection instrument future interviews with employees would enhance the understanding of the organisational culture and hence further improve the road map.

Originality/value

The authors developed a practical and strategic roadmap for a Scottish packaging small- and medium-sized enterprise (SME) which can be used by other similar SMEs. The proposed LSS road map can be replicated and/or adapted for companies in their application of LSS. The methodology by which this study's road map was designed can be used as a guide in the development of further CI road maps.

Keywords

Citation

Flor Vallejo, V., Antony, J., Douglas, J.A., Alexander, P. and Sony, M. (2020), "Development of a roadmap for Lean Six Sigma implementation and sustainability in a Scottish packing company", The TQM Journal, Vol. 32 No. 6, pp. 1263-1284. https://doi.org/10.1108/TQM-02-2020-0036

Publisher

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Emerald Publishing Limited

Copyright © 2020, Emerald Publishing Limited

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