Sigma Science
Sigma Science Inc. is a privately held, founder-owned boutique consulting firm providing customized Statistical Engineering training, project consultation, and Master Development programs to large enterprise clients across manufacturing, medical devices, and consumer products industries, with Bill Ross personally handling all client engagement.
- Company typePrivate
- Founded1993
- HeadquartersNew York, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Sigma Science does
Sigma Science Inc. (formerly Six Sigma Associates) is a privately held, founder-owned boutique consulting firm established by Bill Ross in January 1993 and based in Colorado. The company provides customized professional training, project consultation, and Master Development programs applying Statistical Engineering and the Scientific Method to process improvement. It serves large enterprise clients across manufacturing, medical devices, consumer products, aerospace/defense, and specialty chemicals, with named past and current clients including Whirlpool, Milwaukee Tool, Abbott, Boston Scientific, Honeywell, PPG, Lutron, Oakley, Cytec Industries, and Jarden Home Brands. Sigma Science's core technology is a proprietary methodology built around four tool platforms: Critical Thinking, Process and Product Description, Sampling without manipulation, and Sampling with manipulation (Design of Experiments). Differentiated proprietary tools include Process Maps, Thought Maps, Factor Relationship Diagrams, Ross' Rules of Analysis, Sampling Trees, Components of Variance studies, FMEA, and the Ross Metric. The firm operates a direct, sales-led go-to-market model in which Bill Ross personally handles all client engagement. Revenue is generated through quote-based professional services contracts: multi-week training programs (4-8 months), 12-18 month Master Development engagements, project-specific consultation, and client assessments. Training is delivered on-site or remotely with perpetual support included. Marketing relies on thought leadership articles, a LinkedIn group, a YouTube channel (Masters Fireside), industry conference speaking, and peer referrals rather than digital advertising or channel partnerships.
Sigma Science firmographics
Firmographics- Name
- Sigma Science
- Legal name
- Sigma Science inc.
- Website
- https://sigma-science.com
- Company type
- Private
- Founded year
- 1993
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Sigma Science Inc. is a privately held, founder-owned boutique consulting firm providing customized Statistical Engineering training, project consultation, and Master Development programs to large enterprise clients across manufacturing, medical devices, and consumer products industries, with Bill Ross personally handling all client engagement.
- Ownership category
- akta.pro rank
Sigma Science industry classification
Industry- Product category
- Statistical Engineering Consulting
- NAICS
- Management Consulting Services (54161), Other Scientific and Technical Consulting Services (54169)
- SIC
- Services-Management Consulting Services (8742)
- akta.pro primary industry
- Six Sigma (Yellow/Green/Black Belt) (EDABAKAB)
- akta.pro secondary industries
- Manufacturing & Operations Excellence (Lean/Six Sigma) (BPAHAHAC), Quality, Process Improvement & Lean/Six Sigma Certifications (EDAAANAC), Quality Tools & Problem Solving (7 QC Tools, 8D, A3, Root Cause) (EDABAKAE), Operational Risk, Reliability & Resilience (FMEA, RCA, FRACAS) (EDABAKAI)
Keywords
Where Sigma Science is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Sigma Science business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales
Revenue model
- Professional Training Services: Core revenue stream from providing customized statistical and engineering training programs. Includes Engineering/Technical training (Black Belt equivalent), Support Functional training (Green Belt equivalent), and Short Course offerings. Training delivered as multi-week sessions over 2-8 months with on-site and remote options. All participants receive perpetual support at no additional cost.
- Project Consultation: Technical consultation and facilitation on client-specific project applications. Bill Ross provides technical guidance and consultation for virtually any application in the statistical engineering domain.
- Master Development Program: 12-18 month program for developing internal Masters capable of applying intensive process improvement techniques. Includes technical modules, required readings, diverse situations, skill evaluation, and knowledge transfer methods leading to certification recommendation.
- Client Assessment Services: Site assessments designed to link key business opportunities and management objectives to actionable project work. Helps develop understanding of organizational needs, processes, products, and training candidates.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
Sigma Science product offering
Product offeringCore offering
Sigma Science provides customized statistical engineering consulting, training, and project facilitation services to enterprise clients. Offerings include multi-week on-site and remote training programs (Black Belt and Green Belt equivalents), a 12-18 month Master Development program, client assessments, leadership and infrastructure development, and project-specific consultation applying Scientific Method, Critical Thinking, Design of Experiments, and proprietary tools such as Process Maps, Thought Maps, Factor Relationship Diagrams, and Sampling Trees.
Product overview
Sigma Science Inc. is a consulting and training company (formerly Six Sigma Associates) that provides a comprehensive methodology for applying statistical thinking and scientific method to process improvement. The company offers multiple integrated service components including Client Assessment, Leadership & Infrastructure Development, Engineering/Support Training and Short Courses, Master Development, Internal Sustainability programs, and Project-specific applications. The core methodology is organized around four main tool platforms: (I) Critical Thinking, (II) Process and Product Description, (III) Sampling without manipulation, and (IV) Sampling with Manipulation (Design of Experiments). Training is delivered as multi-week programs (e.g., Black Belt/Green Belt equivalent) on-site or remotely, supplemented by perpetual support, resources, and tools such as Thought Maps, Process Maps, FMEA, Control Charts, Components of Variance studies, and Ross' Rules of Analysis.
Differentiator
Problem solved
Functional benefit
Products and services
- Client Assessment On-site assessment engagement that links business opportunities and management objectives to actionable project work, identifying organizational needs, processes, products, and candidate training participants.
- Leadership and Infrastructure Development Training and advisory program for executive and senior management addressing leadership roles, integration with other initiatives, and the management behaviors required to support cultural change and long-term gains.
- Engineering and Support Training Programs Multi-week (2-8 month) on-site and remote training programs covering engineering/technical content (Black Belt equivalent) and support functional content (Green Belt equivalent), plus short course offerings, with perpetual support included.
- Master Development Program A 12-18 month program developing internal Masters capable of applying intensive process improvement techniques, including technical modules, required readings, skill evaluation, and knowledge transfer methods leading to certification recommendation.
- Internal Sustainability Perpetual support program providing ongoing resources, remote technical assistance, project reviews, and continued knowledge transfer to training graduates at no additional cost.
- Project Consultation Technical guidance and facilitation provided by Bill Ross for client-specific project applications across the statistical engineering domain.
- Multi-Industry Training Programs Customized training programs applicable across manufacturing, business processes, service environments, and R&D, where core tools (70%) are universally applicable and specialized tools (30%) are customized per industry.
Quantifiable outcome
- Over 15,000 sampling plans and designed experiments completed across client engagements
- +1 more outcomes
Companies that use Sigma Science
Customer profileNamed customers20 records
Segments4 records
Ideal customer profiles3 records
Sigma Science technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
Sigma Science partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights4 records
Sigma Science competitors and assessment
Company assessmentDirect peers
- Pyzdek Consulting: Pyzdek Consulting, founded by Thomas Pyzdek (a recognized Six Sigma author), provides Six Sigma training, certification, and consulting. It is a founder-led, methodology-driven boutique comparable to Sigma Science in terms of expert-led delivery and Six Sigma heritage.
- Smarter Solutions: Smarter Solutions is a Lean Six Sigma and operational excellence training and consulting firm serving enterprise clients. It competes with Sigma Science in the same training-and-project-consulting niche, with comparable Black/Green Belt programs and a focus on methodology-led process improvement.
- Air Academy Associates: Air Academy Associates is a boutique Lean Six Sigma and statistical methods consulting firm offering training and project consulting to enterprises. Like Sigma Science, it is a smaller, methodology-driven consultancy focused on Six Sigma/Statistical Engineering delivery to engineering and operations teams, making it a close comparable.
- Rath & Strong: Rath & Strong is a management consulting firm specializing in Lean Six Sigma, operational excellence, and process improvement training and deployment. It serves enterprise clients with methodologies similar to Sigma Science's statistical thinking framework, making it a directly comparable boutique-to-mid-sized consultancy.
- MoreSteam: MoreSteam is a leading provider of Lean Six Sigma training and online certification (Black Belt, Green Belt, Yellow Belt) serving engineers and process improvement professionals. It competes directly with Sigma Science in the Six Sigma / Statistical Engineering training category, though with a heavier e-learning delivery model versus Sigma Science's on-site, founder-led boutique approach.
- BMGI: BMGI is a global operational excellence and Six Sigma consulting firm offering training, certification, and project consulting across multiple industries. It is comparable to Sigma Science as a Six Sigma / process improvement consultancy serving enterprise engineering and operations functions, though larger and broader in geographic and industry coverage.
- Breakthrough Performance Group: Breakthrough Performance Group is a Six Sigma, Lean, and operational excellence consultancy providing training, certification, and project deployment services. It is directly comparable to Sigma Science as a Six Sigma training and consulting peer serving enterprise engineering functions.
Others
- JMP (SAS Institute): JMP is a statistical discovery software platform from SAS Institute used for DOE, statistical analysis, and visualization. Sigma Science is a JMP Partner and Super User, and JMP is the recommended software for training, making JMP an ecosystem/technology ally rather than a competitor — together they enable the technical delivery of Sigma Science methodology.
- Minitab: Minitab is a leading statistical analysis software platform widely used for Six Sigma and quality improvement. Sigma Science delivers classes using Minitab among other tools, positioning Minitab as a complementary software ecosystem rather than a direct competitor, but it represents an adjacent enabling technology for the same buyer.
Emerging players
- GoLeanSixSigma: GoLeanSixSigma is a digital-first Lean Six Sigma training and certification provider with a strong focus on accessible, self-paced learning. While more productized and digitally scaled than Sigma Science, it addresses the same buyer (engineers seeking Six Sigma certification) and represents an emerging alternative delivery model in the same category.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks5 records
Key highlights7 records
Customer concentration
Sigma Science social profiles
Digital presenceSigma Science financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sigma Science leadership team
Management profileNumber of profiles
Profiles1 record
Sigma Science funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sigma Science M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sigma Science
What does Sigma Science do?
Sigma Science provides customized statistical engineering consulting, training, and project facilitation services to enterprise clients. Offerings include multi-week on-site and remote training programs (Black Belt and Green Belt equivalents), a 12-18 month Master Development program, client assessments, leadership and infrastructure development, and project-specific consultation applying Scientific Method, Critical Thinking, Design of Experiments, and proprietary tools such as Process Maps, Thought Maps, Factor Relationship Diagrams, and Sampling Trees.
Is Sigma Science a public or private company?
Sigma Science is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Sigma Science founded?
Sigma Science was founded in 1993. It employs 11 to 50 people.
Where is Sigma Science based?
Sigma Science is headquartered in New York, United States, in the North America region.
How does Sigma Science make money?
Four revenue lines are on record. Professional Training Services are the primary driver. The others are project Consultation, master Development Program and client Assessment Services.
Who are Sigma Science's main competitors?
Direct peers on record are Pyzdek Consulting, Smarter Solutions, Air Academy Associates, Rath & Strong, MoreSteam, BMGI and Breakthrough Performance Group. Others are JMP (SAS Institute) and Minitab. GoLeanSixSigma is listed as an emerging player.
Does Sigma Science have an API?
No public API is recorded for Sigma Science.
What industry is Sigma Science in?
Sigma Science's product category is Statistical Engineering Consulting. Its primary akta.pro industry code is EDABAKAB, Six Sigma (Yellow/Green/Black Belt), with a secondary code of BPAHAHAC, Manufacturing & Operations Excellence (Lean/Six Sigma). Its NAICS code is 54161 and its SIC code is 8742.