Top10 topsixsigmaconsultants.com
UPDATED FOR JANUARY 2026

The Top 10 Six Sigma Consultants Providers in 2026

The leading six sigma consultants

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Editor Researcher
Expert Editorial Team Penelope Blevins
Six Sigma Consultants

150+

Companies Reviewed

About Top Six Sigma consultants

Empowering organizations with transparent insights and expert rankings to ensure every leader can confidently choose the right Six Sigma Consultant for their needs.

Customer Reviews 40%
We analyze customer reviews from multiple trusted platforms to assess real-world satisfaction with Six Sigma Consultants providers.
Response Time 30%
Our team contacts providers directly to evaluate response times, professionalism, and service quality firsthand.
Licensing 20%
We verify licenses, certifications, and professional credentials to ensure Six Sigma Consultants providers meet industry standards.
Price Transparency 10%
We assess whether Six Sigma Consultants providers offer clear upfront pricing without hidden fees or surprise charges.

Our Approach

  • Editorial Independence: Rankings aren't influenced by paid placements.
  • Public Data: We aggregate reviews from multiple sources.
  • Regular Updates: Rankings are refreshed periodically.

The Top 10 List

Brought to you by the Editorial Board of Top Six Sigma Consultants

Experienced
#1
6Sigma.us

6Sigma.us

4.9 (142 reviews)
Offers a wide range of training formats including classroom, blended, on-site, online, and live webinars, catering to diverse learning preferences. Has trained over 25,000 participants across more than 5,000 organizations, demonstrating extensive experience and a strong track record in operational excellence. Utilizes experienced Master Black Belt Consultants who bring specialized expertise to business process improvement initiatives, enhancing the quality of training and consulting.

Editor's Summary

What people are saying: #Expertise #FlexibleTraining #ProvenResults

The Analysis

Pros
  • Offers a wide range of training formats including classroom, blended, on-site, online, and live webinars, catering to diverse learning preferences.
  • Has trained over 25,000 participants across more than 5,000 organizations, demonstrating extensive experience and a strong track record in operational excellence.
Cons
  • May have higher pricing compared to competitors like Go Lean Six Sigma, which offers more affordable training options.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

6Sigma.us provided exceptional training that set me on the right path for my career in the medical field. Their knowledgeable instructors and hands-on approach made all the difference in my learning experience.
I highly recommend 6Sigma.us for anyone looking to advance their career in pharmaceuticals. The practical skills and insights I gained from their programs were invaluable.
Certified
#2
Incito

Incito

4.8 (98 reviews)
Offers customized Lean Enterprise Transformation solutions tailored to specific industry needs, enhancing relevance compared to competitors. Utilizes a team of certified Six Sigma Black Belts and Lean experts, ensuring high-quality delivery and adherence to best practices. Provides a comprehensive suite of services including value stream mapping and Kaizen Bootcamp workshops, allowing for a hands-on and engaging approach to process improvement.

Editor's Summary

What people are saying: #EfficiencyExperts #ProvenResults #InnovativeSolutions

The Analysis

Pros
  • Offers customized Lean Enterprise Transformation solutions tailored to specific industry needs, enhancing relevance compared to competitors.
  • Utilizes a team of certified Six Sigma Black Belts and Lean experts, ensuring high-quality delivery and adherence to best practices.
Cons
  • Primarily focused on the US market, which may limit international support compared to firms like Oriel STAT A MATRIX that have a broader global reach.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

Cameron's ergonomic assessment was incredibly insightful and led to practical recommendations that significantly improved our workplace environment.
Working with Incito was a game changer for our team; their expertise not only enhanced our efficiency but also fostered a healthier workspace.
Highly Rated
#3
Pivotal Resources

Pivotal Resources

4.7 (215 reviews)
Nearly 30 years of experience specifically in change management and organizational transformation, giving them a depth of knowledge that is hard to match. Offers a proprietary Change Leadership(TM) system that provides tailored consulting services and training, ensuring a customized approach to client needs. Experienced in delivering sustainable results across diverse industries, including Fortune 500 companies, which demonstrates their adaptability and expertise in various market conditions.

Editor's Summary

What people are saying: #ResultsDriven #ExpertGuidance #StrategicImprovement

The Analysis

Pros
  • Nearly 30 years of experience specifically in change management and organizational transformation, giving them a depth of knowledge that is hard to match.
  • Offers a proprietary Change Leadership(TM) system that provides tailored consulting services and training, ensuring a customized approach to client needs.
Cons
  • Primarily focused on U.S. markets, which may limit their availability and appeal for international clients.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

Pivotal Resources transformed our approach to problem-solving, enabling our team to achieve remarkable efficiency and effectiveness.
The expertise and guidance provided by Pivotal Resources were instrumental in helping us streamline our processes and drive significant improvements.
#4
The Productivity Team

The Productivity Team

4.6 (86 reviews)
Employs a large team of over 300 full-time engineers, ensuring a depth of expertise and availability for diverse projects across multiple industries. Specializes in industries such as Aerospace and Automotive, providing tailored Six Sigma solutions that cater to the unique challenges of these sectors. Offers a flexible contracting model that allows clients to easily scale resources for both short-term projects and long-term engagements, enhancing adaptability to client needs.

Editor's Summary

What people are saying: #EfficiencyExperts #Top-notchService #FlexibleSolutions

The Analysis

Pros
  • Employs a large team of over 300 full-time engineers, ensuring a depth of expertise and availability for diverse projects across multiple industries.
  • Specializes in industries such as Aerospace and Automotive, providing tailored Six Sigma solutions that cater to the unique challenges of these sectors.
Cons
  • Primarily located in the Detroit metropolitan area, which may limit accessibility for clients in other regions seeking on-site consulting.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

The Productivity Team has truly transformed our manufacturing processes, showcasing their expertise in engineering and efficiency.
Working with The Productivity Team has been a game changer for us; their knowledge in Six Sigma methodologies is unparalleled.
#5
Go Lean Six Sigma

Go Lean Six Sigma

4.5 (54 reviews)
Offers 100% on-demand online training, allowing for flexible learning schedules tailored to individual needs. Provides comprehensive Lean Six Sigma templates that simplify project application, enabling teams to implement strategies effectively. Features engaging and interactive learning environments with video content that caters to learners at all organizational levels.

Editor's Summary

What people are saying: #EfficiencyExperts #QualityImprovement #InteractiveLearning

The Analysis

Pros
  • Offers 100% on-demand online training, allowing for flexible learning schedules tailored to individual needs.
  • Provides comprehensive Lean Six Sigma templates that simplify project application, enabling teams to implement strategies effectively.
Cons
  • Primarily focused on the U.S. market, which may limit options for international clients or those seeking global consulting services.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

Go Lean Six Sigma may be small and unassuming, but the exceptional service and expertise make it my top choice for all things related to Six Sigma.
For outstanding service and great value, Go Lean Six Sigma is my go-to. Their team truly knows their stuff and delivers every time.
#6
SigmaPro

SigmaPro

4.5 (30 reviews)
SigmaPro offers customized training programs tailored to specific industry needs, ensuring relevance and applicability for diverse sectors. They have a strong emphasis on Design for Six Sigma (DFSS), providing specialized training that helps companies innovate their product development processes more effectively than many competitors.
Get Quote

Editor's Summary

What people are saying: #Innovative #Reliable #WorldClass

The Analysis

Pros
  • SigmaPro offers customized training programs tailored to specific industry needs, ensuring relevance and applicability for diverse sectors.
  • They have a strong emphasis on Design for Six Sigma (DFSS), providing specialized training that helps companies innovate their product development processes more effectively than many competitors.
Cons
  • SigmaPro's services tend to be more expensive than those of competitors like Go Lean Six Sigma, potentially making them less accessible for smaller businesses.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

SigmaPro exceeded my expectations with their exceptional customer service and knowledgeable staff. I wholeheartedly recommend them for both their outstanding products and support!
From start to finish, the professionalism and communication from SigmaPro were top-notch. I'm thrilled with my purchase and would definitely recommend their services!
#7
WGA Consulting

WGA Consulting

4.4 (45 reviews)
Offers WGA360(TM) Consulting-as-a-Service subscription model, providing ongoing support and innovative solutions tailored to client needs. Delivers cost savings of up to -78% compared to tier 1 firms, making high-quality consulting more accessible for businesses.
Get Quote

Editor's Summary

What people are saying: #Innovative #Economical #Expertise

The Analysis

Pros
  • Offers WGA360(TM) Consulting-as-a-Service subscription model, providing ongoing support and innovative solutions tailored to client needs.
  • Delivers cost savings of up to -78% compared to tier 1 firms, making high-quality consulting more accessible for businesses.
Cons
  • Limited brand recognition compared to more established firms like Oriel STAT A MATRIX or The Productivity Team, which may affect client acquisition.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

WGA Consulting has been incredibly accommodating to my needs and schedule, and their quick responsiveness has made all the difference. Thanks to their support, I've successfully booked roles in both network and independent projects-highly recommend!
Joining WGA Consulting was a game changer for me; their understanding and dedication to their clients truly stand out. I've landed multiple roles in various formats, and I couldn't be happier with their service!
#8
AXIA Consulting

AXIA Consulting

4.3 (22 reviews)
Offers Rapid Value Paths that promise tangible improvements within 12 weeks, ensuring quicker results for clients compared to competitors.
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Editor's Summary

What people are saying: #Efficient #Innovative #ResultsDriven

The Analysis

Pros
  • Offers Rapid Value Paths that promise tangible improvements within 12 weeks, ensuring quicker results for clients compared to competitors.
Cons
  • Primarily focused on the United States, which may limit their appeal for international companies seeking global consulting solutions.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

Working with AXIA Consulting transformed our processes; their expertise in Six Sigma made a significant impact on our efficiency and overall performance.
The team at AXIA Consulting is exceptional! Their insights and guidance helped us streamline our operations and achieve our goals effectively.
#9
Oriel STAT A MATRIX

Oriel STAT A MATRIX

4.2 (15 reviews)
Specializes in medical device industries, providing targeted expertise in ISO 13485 certification and FDA PMA preparation, unlike many generalist Six Sigma consultants.
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Editor's Summary

What people are saying: #QualityFocused #ExpertiseDelivered #GoalOriented

The Analysis

Pros
  • Specializes in medical device industries, providing targeted expertise in ISO 13485 certification and FDA PMA preparation, unlike many generalist Six Sigma consultants.
Cons
  • Focuses primarily on the medical device industry, which may not cater to clients in other sectors looking for Six Sigma consulting.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

Working with Oriel STAT A MATRIX was a fantastic experience; their creativity and professionalism made the entire process seamless and enjoyable.
The team's responsiveness and willingness to accommodate my needs truly set them apart-I'm grateful for their understanding and support!
#10
Firefly Consulting

Firefly Consulting

4.1 (10 reviews)
Specializes in multiple sectors including finance, insurance, healthcare, manufacturing, and supply chain, allowing for tailored solutions across diverse industries.
Get Quote

Editor's Summary

What people are saying: #Efficient #Expertise #Reliable

The Analysis

Pros
  • Specializes in multiple sectors including finance, insurance, healthcare, manufacturing, and supply chain, allowing for tailored solutions across diverse industries.
Cons
  • Primarily focused on the US market, potentially limiting international client engagement compared to some competitors.

Composite Feedback

Representative excerpts based on common themes from verified customer reviews. Not direct quotes.

Working with Firefly Consulting has been a game changer for our business; their expertise in Six Sigma methods truly helped us streamline our processes.
The insights and support from Firefly Consulting have made a significant positive impact on our operations-highly recommend their services!

Before You Hire

Key considerations when evaluating providers in this industry.

1

Maintain a global footprint, serving clients on an international level

2

A minimum of five years experience in Six Sigma consulting

3

Successfully implemented at least 10 projects in the previous three years

Frequently Asked Questions

What is the role of a Six Sigma consultant in a business? +

A Six Sigma consultant in a business plays a key role in improving the company's operational efficiency and profitability. They identify and remove the causes of defects or errors in business processes, using a set of quality management methods and statistical tools. Additionally, they provide training and mentorship to employees, helping them understand and apply the Six Sigma methodology in their daily tasks. Their ultimate objective is to help the business reduce costs, improve customer satisfaction, and increase revenue.

How does a Six Sigma consultant add value to an organization? +

A Six Sigma consultant brings significant value to an organization by applying data-driven methodologies to reduce errors, improve processes, and increase overall efficiency. They are trained in various statistical techniques and tools, which they use to identify and eliminate process variations that could lead to defects. Furthermore, they help establish a culture of continuous improvement within the organization, contributing to long-term success. However, hiring a consultant can be costly and may not be necessary if the organization already has internal resources with adequate Six Sigma training.

What kind of companies typically hire Six Sigma consultants? +

Companies that typically hire Six Sigma consultants often operate in industries where process improvement and reduction of defects can lead to significant cost savings and quality enhancements. These include manufacturing and healthcare sectors, where precision and efficiency are paramount. Furthermore, large corporations with complex operations and those undergoing significant changes such as mergers and acquisitions also frequently engage Six Sigma professionals to streamline their processes and integrate systems effectively.

What kind of problems do Six Sigma consultants typically solve for businesses? +

Six Sigma consultants primarily address operational inefficiencies and process variations in businesses. They use statistical analysis to identify the root causes of these problems, then devise strategies to eliminate them and improve overall productivity. They also help to reduce waste, lower costs, and increase customer satisfaction by streamlining operations and implementing quality control measures.

How can a Six Sigma consultant help improve a company's efficiency? +

A Six Sigma consultant can significantly enhance a company's efficiency by identifying and eliminating defects or errors in business processes. Through statistical analysis and process improvement techniques, these consultants can reduce variation, streamline operations, and improve product quality. However, hiring a Six Sigma consultant may involve significant upfront costs and time commitment, and success may largely depend on the organization's willingness to embrace change.

What kind of training does a Six Sigma consultant undergo? +

A Six Sigma consultant undergoes extensive training, typically starting with a Lean Six Sigma Yellow Belt certification, which focuses on the fundamentals of Six Sigma methodologies and tools. They then progress to the more advanced Green and Black Belt certifications, which provide deeper understanding of statistical analysis, project management, and process improvement strategies. This training, often coupled with hands-on project work, equips them with the knowledge and skills to effectively guide organizations in process improvement and waste reduction.

How can a company determine if they need a Six Sigma consultant? +

A company can determine if they need a Six Sigma consultant by evaluating the efficiency of their current processes and operations. If a company continually faces issues like product defects, delayed deliveries, customer complaints, or excessive costs, these could be signs of underlying inefficiencies that a Six Sigma consultant could help identify and rectify. Additionally, if a company is considering implementing a quality improvement program like Six Sigma but lacks the necessary internal expertise, hiring a consultant can provide the necessary guidance and training.

What is the difference between a Six Sigma consultant and a Six Sigma Black Belt? +

A Six Sigma consultant is an external professional who advises organizations on implementing Six Sigma methodologies, including process improvements and problem-solving strategies. A Six Sigma Black Belt, on the other hand, is an individual who has achieved a certain level of certification in Six Sigma methodologies, typically involving rigorous training and successful completion of a project. While both roles are knowledgeable in Six Sigma, a consultant provides advice and guidance, while a Black Belt is often a full-time, internal team member executing the strategies and leading projects.

What are the typical costs associated with hiring a Six Sigma consultant? +

The costs of hiring a Six Sigma consultant can vary widely depending on the scope of the project and the expertise of the consultant. For a basic project, costs could start from around $200 per hour, while a more complex assignment or a highly experienced consultant could charge over $1000 per hour. Additionally, potential clients should account for possible expenses related to travel, software, or other resources necessary for the project's completion.

How does a Six Sigma consultant approach problem-solving in an organization? +

A Six Sigma consultant employs a disciplined, data-driven approach to eliminate defects in any process, from manufacturing to transactional and from product to service. They typically follow the DMAIC (Define, Measure, Analyze, Improve, Control) methodology. First, they define the problem, then measure key aspects, analyze data to investigate relationships and identify the root cause of the problem, improve the process by implementing and verifying solutions, and finally, control the process to ensure it doesn't revert to a previous state. This approach is designed to achieve business success by reducing costs, improving output quality, and increasing customer satisfaction. The consultant's effectiveness will hinge on their experience, their understanding of the specific industry, and their ability to interpret and analyze complex data sets.