Human Factors Consulting Services

What Human Factors Consulting Services does

Human Factors Consulting Services, Inc. (HFCSI) is a private US-based human factors research and design consulting firm founded in 2006 and headquartered in Chatsworth (Los Angeles), California. The firm provides a comprehensive suite of verification and validation services for medical product development, including gap analysis, expert heuristic analysis, formative testing, summative and actual-use validation testing, prototype testing and down-selection, ethnographic research, post-market evaluation, and its proprietary Task-Driven IFU development and testing methodology. All team members hold graduate-level training in human factors psychology, engineering, or advanced research methods, and the firm has conducted usability testing with approximately 5,000 users across roughly 300 formative and 75 summative studies for more than 50 clients, with no FDA rejections of its validation studies since inception. The company specializes in medical devices, pharmaceutical combination products, and digital health applications, with notable recent project experience in pen injectors and autoinjectors, continuous glucose monitors, mechanical ventilators, hemodialysis machines, smart infusion pumps, and HCP informatics.

HFCSI operates a project-based, customized-engagement professional services model with no public pricing, no standardized product, and no resellers or intermediaries. Go-to-market is sales-led and relationship-driven: the firm is contacted directly via its website, phone, or email, and it supplements direct outreach with participation in industry bodies (HFES, AAMI, IEC, ISO) and co-delivered 3-day usability-testing workshops with Marcus Evans. The firm maintains a global delivery footprint spanning the United States, Europe, Asia, and Australia, conducting research in-region with user populations.

In 2024, HFCSI was acquired by Rimkus, an engineering and technical consulting firm, and now operates as part of the Core Human Factors group within the Rimkus family of companies. The acquisition extends HFCSI's addressable market into consumer, industrial, and broader healthcare-related human factors research, while preserving its medical-device specialization. Revenue is not publicly disclosed, and the firm remains a small, specialized consultancy (11-50 employees) competing primarily on regulatory track record, methodology, and bilingual research capabilities.

Name

Human Factors Consulting Services

Legal name

Human Factors Consulting Services, Inc.

Website

https://hfcsi.com

Company type

Private

Founded year

2006

Operating status

Acquired

Headcount range

11–50 employees

Short description

Human Factors Consulting Services (HFCSI) is a US-based, FDA-focused human factors research and design consultancy serving medical device, pharmaceutical, and digital health clients. Founded in 2006 and now part of Rimkus's Core Human Factors group, it delivers validation, formative, and IFU development services globally.

Ownership category

akta.pro rank

Product category

Medical Device Human Factors Consulting

NAICS

Research and Development in the Physical, Engineering, and Life Sciences (54171), Scientific Research and Development Services (5417), Management Consulting Services (54161), Testing Laboratories and Services (54138)

SIC

Services-Commercial Physical & Biological Research (8731), Services-Management Consulting Services (8742), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Regulatory Affairs & Submissions FSP (HLAGAOAD)

akta.pro secondary industry

Quality Assurance, GxP Compliance & Auditing FSP (HLAGAOAE)

Keywords

• Human factors consulting
• Usability engineering
• Medical device validation
• FDA regulatory testing
• Summative validation studies

Headquarters

HQ city

Northridge

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Human Factors Consulting Services: Project-based professional services engagements including gap analysis, heuristic analysis, formative testing, summative validation testing, actual use testing, IFU development and testing, prototype testing, ethnographic research, and post-market evaluation. Services are customized per client needs across all phases of medical product development.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Human Factors Consulting Services, Inc. (HFCSI) is a project-based human factors and usability engineering consulting firm that helps medical device and pharmaceutical companies design, validate, and refine user-centered medical products. Services span the full product lifecycle and include gap analysis, heuristic analysis, formative testing, summative and actual use validation testing, task-driven Instructions for Use (IFU) development, prototype down-selection, ethnographic research, Spanish-speaking population studies, marketing research integration, and post-market evaluation, all geared toward generating evidence for FDA and EU regulatory submissions.

Product overview

Human Factors Consulting Services (HFCSI) is a human factors and usability consulting firm specializing in medical product development. The company offers a comprehensive suite of verification and validation services including Gap Analysis, Expert Heuristic Analysis, Formative Testing, Summative/Validation Testing, Task-Driven IFU Development, Prototype Testing, Spanish-Speaking Population Research, Marketing Research Integration, Post-Market Evaluation, and Ethnographic Research. Founded in 2006 and now part of the Rimkus family of companies, HFCSI focuses exclusively on helping medical device and pharmaceutical companies meet FDA and international regulatory requirements for human factors validation.

Differentiator

Problem solved

Functional benefit

Products and services

• Gap Analysis Evaluation of a product's current design and documentation to identify missing components needed to meet FDA and international standards, with a complete roadmap for providing all human factors requirements needed for successful regulatory submission.
• Expert Heuristic Analysis Fast, inexpensive evaluation using standard and proprietary techniques to identify major design issues and critical use errors prior to conducting costly usability studies.
• Formative Testing Exploratory and targeted usability studies that guide medical product development and prepare clients for validation testing, ranging from early market explorations to pre-summative dress rehearsals.
• Summative and Actual Use Testing Comprehensive validation testing that produces evidence for FDA and EU regulatory submissions, covering test design, recruitment, data collection, statistical testing, and root cause analyses.
• Task-Driven IFU Development and Testing Proprietary task-driven Instructions for Use (IFU) development and testing service that delivers user-centric documentation optimized for actual user tasks and FDA submission requirements rather than engineering-centric design.
• Prototype Testing and Down-Selection Customized testing that evaluates the relative performance and user preference of alternative product designs to inform early development decisions.
• Spanish-Speaking Population Research Usability research conducted with native Spanish speakers and bilingual researchers, with live Spanish-to-English interpretation, available for studies in the U.S. or internationally.
• Marketing Research and HF Testing Integration Combined early market studies or post-launch evaluations with usability studies or human factors heuristic evaluations to deliver cross-functional insights.
• Post-Market Evaluation Field intelligence gathering on product performance in market to guide future development, with customized methodologies addressing specific client objectives such as pain points, user-group assessments, subjective insights, and international comparisons.
• Ethnographic Research Testing of completed products or advanced prototypes in the field where users would use them, studying both end users and healthcare professionals.

Quantifiable outcome

• No FDA rejections of HF validation studies since founding in 2006
• +3 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• RimkusflagshipStrategic or Co-development PartnerHFCSI has joined the Rimkus Family of Companies as part of the Core Human Factors group. Rimkus is an engineering and technical consulting firm. This acquisition/merger brings HFCSI into a larger network while maintaining their human factors practice focus. HFCSI operates as part of Core Human Factors under the Rimkus umbrella.

Scale indicators7 records

Recent moves5 records

Expansion highlights5 records

Emerging players

• Ximedica: Medical device design, development, and engineering firm with human factors capabilities integrated into product development programs. Competes with HFCSI on design-stage HF work but is less specialized in standalone validation studies for FDA submissions.
• IDEO: Global design and innovation consultancy with human factors capabilities applied to healthcare and medical device programs. More design-led than HFCSI's validation-led approach, but competes for design-stage human factors and usability engagements with medtech clients.

Broad incumbents

• Battelle Memorial Institute: Large applied science and R&D organization with a human factors and medical device practice. Offers HF validation alongside much broader scientific research capabilities, competing for medical device clients but typically at higher price points and larger program scale.
• Emergo by UL: UL's medical device regulatory and human factors consulting arm; part of a global safety science organization. Offers HF services as part of a broader regulatory affairs and quality assurance portfolio, competing with HFCSI on integrated medical device submissions but at much larger scale.
• UL Solutions: Global testing, inspection, and certification organization with a human factors practice for medical devices. While not specializing purely in HF, UL competes for medical device validation work as part of broader product safety and regulatory compliance engagements.

Direct peers

• Core Human Factors: Direct peer and now sister company under Rimkus; Core Human Factors offers human factors consulting across consumer, industrial, and healthcare products, overlapping directly with HFCSI's medical device practice. Following the Rimkus acquisition of HFCSI, the two firms operate as related entities within the same Core Human Factors group.
• Research Collective: UX and human factors research firm with a medical device practice conducting formative and summative usability studies for FDA submissions. Closely comparable to HFCSI in methodology and customer base, though with broader industry coverage beyond medical devices.
• UserWise: Specialized medical device human factors and usability engineering consulting firm based in California. Competes head-to-head with HFCSI on formative and summative validation studies for FDA submissions, serving overlapping medical device and pharmaceutical clients in combination products and drug delivery.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/human-factors-consulting-services-inc-

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Human Factors Consulting Services