Western Psychological Services

What Western Psychological Services does

Western Psychological Services (WPS) is an independent US-based publisher founded in 1948 that develops, validates, and distributes standardized psychological and educational assessments for clinicians, school psychologists, speech-language pathologists, occupational therapists, early intervention specialists, and academic researchers. The company's 200+ product portfolio spans autism diagnostics (ADOS-2, CARS-2, SRS-2, MIGDAS-2), speech-language assessment (CAPs, DEMSS), school/clinical psychology (Conners 4, BRIEF-2), occupational therapy (SPM-2, GOAL, PDMS-3), and achievement/cognition (WJ IV, WRAT5, KABC-II), with flagship kits priced between $64 and $25,953. The proprietary WPS Online Evaluation System (OES) is a HIPAA/FERPA-compliant cloud platform that enables digital administration, automated scoring, remote rater workflow, and telepractice delivery validated by equivalency research.

WPS monetizes through four primary streams: one-time physical kit and form sales, recurring online assessment subscriptions on OES, continuing education and training via the ProLearn platform, and translation/licensing royalties on translated versions of its instruments. The go-to-market is hybrid direct-to-consumer — e-commerce storefront, phone ordering, and a dedicated assessment consultant channel for institutional buyers — paired with a content-led marketing engine built on webinars (free and CE-bearing), research briefs, infographics, tool kits, and active conference participation. Customer segments are horizontally distributed across professional personas rather than concentrated in large enterprise accounts, and products are sold with qualification-level access controls restricting purchase to appropriately credentialed practitioners.

The company is privately held with no disclosed parent, no institutional funding rounds, and no M&A activity in the available record. Strategic activity is concentrated in product refresh cycles (SPM-2 in 2021, DEMSS in 2019, SRS-3 scheduled for end of 2026) and the gradual expansion of the OES digital catalog. Headquarters are in Torrance, California, with a global e-commerce footprint serving qualified professionals in psychology, education, and allied health fields.

Name

Western Psychological Services

Legal name

Western Psychological Services

Website

https://wpspublish.com

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

101–250 employees

Short description

Western Psychological Services is an independent publisher, founded in 1948, that develops and distributes standardized psychological and educational assessments for psychologists, school psychologists, speech-language pathologists, occupational therapists, and researchers across autism, speech/language, ADHD, and developmental domains.

Ownership category

akta.pro rank

Product category

Psychological Assessment Tools

NAICS

Educational Support Services (6117), Educational Support Services (61171)

SIC

Services-Educational Services (8200), Services-Health Services (8000)

akta.pro primary industry

Special Education Evaluation & Assessment (Psychoeducational, Speech/Language, OT/PT) (EDAJAKAA)

akta.pro secondary industries

OT Evaluations, Assessments & IEP/504 Planning Support (EDAKAFAM), Accessible Testing, Accommodations & IEP/504 Management Platforms (EDAFAKAF)

Keywords

• Psychological assessment tools
• Clinical evaluation instruments
• Autism diagnostic assessments
• Speech language assessments
• Occupational therapy assessments

Headquarters

HQ city

Torrance

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Assessment Products Sales: One-time purchase of physical assessment kits, manuals, forms, and stimulus materials. Products range from individual forms/packs to comprehensive kits with various price points from $15 to over $25,000.
2. Online Assessment Subscriptions: WPS Online Evaluation System (OES) provides digital administration and scoring of assessments at the same price as print materials, with HIPAA/FERPA compliance.
3. Training and Continuing Education: ProLearn platform offers independent study courses with CE credits, training workshops for groups of 10+, and workshop courses like ADOS-2 Clinical Workshop, ADI-R Clinical Workshop, and TOD Training.
4. Permissions and Licensing: Copyright and permissions services for reproducing assessment materials, translations of assessments into other languages, and organizational/distributor licensing.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels8 records

Core offering

Western Psychological Services (WPS) is an independent publisher of standardized psychological, educational, and developmental assessments serving qualified clinicians, educators, and researchers. The company sells a portfolio of 200+ assessments (e.g., ADOS-2, CARS-2, ABAS-3, SPM-2, SRS-2, MIGDAS-2, TOD, GOAL, DEMSS) delivered as physical kits/manuals/forms and through its proprietary HIPAA/FERPA-compliant WPS Online Evaluation System (OES) for digital administration and telepractice. WPS also provides continuing education and clinical training through its ProLearn platform.

Product overview

Western Psychological Services (WPS) is an independent publisher of educational and psychological assessments with over 75 years of experience. The company offers a comprehensive portfolio of assessment tools across multiple domains including autism (ADOS-2, CARS-2, MIGDAS-2, SRS-2/SRS-3, GARS-3), speech and language (CAPs, DEMSS, TOLD series, CASL-2), school/clinical psychology (Conners 4, BRIEF-2, CDI-2), occupational therapy (SPM-2, GOAL, PDMS-3), and achievement/cognition (WJ IV, WRAT5, KABC-II). The product portfolio includes physical assessment kits, manuals, and forms as well as digital delivery through the proprietary WPS Online Evaluation System (OES) platform. WPS also provides training and continuing education through the ProLearn platform. Products are sold with qualification level requirements and are targeted to clinicians, educators, and researchers in schools, clinics, hospitals, and private practice settings.

Differentiator

Problem solved

Functional benefit

Brands

• WPS Online Evaluation System (OES): Online platform for administering and scoring WPS assessments including ABAS-3, DP-4, Piers-Harris 3, RCMAS-2, RISE, SCQ, SMALSI, SPM, SPM Quick Tips, SPM-P, SPM-P Quick Tips, SPM-2, SPM-2 Quick Tips, and SRS-2.
• WPS ProLearn

Products and services

• WPS Online Evaluation System (OES) Proprietary cloud-based, HIPAA/FERPA-compliant platform for administering and scoring WPS assessments online; supports telepractice/remote administration with equivalency research, automated scoring, and emailed rater links. Sold to qualified clinicians and institutions.
• ProLearn Training Platform Learning management system delivering independent study courses, CE-credit programs, and clinical training workshops (e.g., ADOS-2, ADI-R, TOD) for professionals administering WPS assessments.
• ADOS-2 (Autism Diagnostic Observation Schedule, Second Edition) Gold-standard semi-structured assessment for diagnosing autism spectrum disorder using standardized social interactions across age groups. Sold to qualified clinicians; priced $105-$22,014.
• CARS-2 (Childhood Autism Rating Scale, Second Edition) Standardized rating scale for identifying autism and rating severity of symptoms in children. Sold to qualified clinicians; priced $64-$1,107.
• ABAS-3 (Adaptive Behavior Assessment System, Third Edition) Comprehensive assessment of adaptive behavior skills across functional domains for individuals with disabilities. Sold to qualified clinicians; priced $25-$12,594.
• SPM-2 (Sensory Processing Measure, Second Edition) Assessment evaluating sensory processing issues and their impact on functional performance in children. Sold to qualified clinicians; complete kit priced at $25,953.
• SRS-2 (Social Responsiveness Scale, Second Edition) Quantitative measure of autism spectrum disorder severity assessing social reciprocity and related behaviors. Sold to qualified clinicians; priced at $8,326.
• MIGDAS-2 (Monteiro Interview Guidelines for Diagnosing the Autism Spectrum, Second Edition) Sensory-based evaluation process for diagnosing autism spectrum disorder with focus on individualization. Sold to qualified clinicians; priced $38-$1,176.
• CAPs (Clinical Assessment of Pragmatics) Assessment evaluating pragmatic language abilities and social communication in children. Sold to qualified clinicians; priced $20-$1,869.
• TOD (Tests of Dyslexia) Comprehensive assessment battery for identifying dyslexia and related reading disabilities. Sold to qualified clinicians; priced $15-$7,979.
• GOAL (Goal-Oriented Assessment of Lifeskills) Assessment evaluating functional motor abilities needed for daily living activities in children ages 7-17, based on sensory integration theory. Sold to qualified clinicians; priced $44-$1,292.
• DEMSS (Dynamic Evaluation of Motor Speech Skill) Dynamic assessment for differential diagnosis of speech sound disorders, including childhood apraxia of speech (CAS), in children ages 3+. Sold to qualified clinicians; priced $149.95.
• DP-4 (Developmental Profile 4) Comprehensive developmental assessment spanning five developmental domains from birth through young adulthood. Sold to qualified clinicians.
• Conners 4 (Conners Fourth Edition) Comprehensive assessment of ADHD and related co-occurring conditions in children and adolescents. Sold to qualified clinicians.
• Piers-Harris 3 (Piers-Harris Self-Concept Scale, Third Edition) Self-report measure assessing self-concept in children and adolescents. Sold to qualified clinicians.

Quantifiable outcome

• GOAL assessment demonstrates strong psychometric properties with internal consistency >.75 for Fine and Gross Motor Standard Scores and test-retest reliability of .76-.77
• +2 more outcomes

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators1 record

Recent moves5 records

Expansion highlights5 records

Direct peers

• PAR (Psychological Assessment Resources): PAR is the closest direct competitor to WPS, publishing standardized psychological and educational assessments with the PARiConnect digital platform. Both companies target school psychologists, clinical psychologists, SLPs, and OTs with overlapping product portfolios in autism, ADHD, dyslexia, and behavioral assessment.
• Riverside Insights: Riverside Insights publishes assessments such as the Iowa Assessments and Otis-Lennon, and operates a digital assessment platform. It directly competes with WPS in educational and clinical assessment products sold to schools and clinicians.
• Multi-Health Systems (MHS): MHS publishes assessments like the Conners series (now co-published with WPS), ASRS, and EQ-i, and operates the MHS Online digital platform. Directly comparable in ADHD/autism/behavioral assessment, with overlapping customer base in clinicians and schools.
• Pro-Ed: Pro-Ed is a publisher of standardized educational and psychological assessments for special education, speech-language, and rehabilitation professionals. Comparable because it targets the same school psychologist, SLP, and special educator segments with similar kit-based products.
• Brookes Publishing: Brookes Publishing focuses on special education, early childhood, and developmental disabilities resources, including assessments and intervention materials. Comparable because it serves the same school psychologist, special educator, and early intervention segments WPS targets.

Broad incumbents

• Pearson Clinical Assessment: Pearson Clinical is a broad incumbent publishing major assessments (e.g., WAIS, WISC, MMPI) and operating the Q-global digital platform. Comparable because it serves the same clinician segments and competes head-to-head in several school and clinical assessment categories.
• Hogrefe Publishing: Hogrefe is a major international publisher of psychological assessments and journals with strong European presence. Comparable as a publisher of psychometric instruments for clinical psychologists, with overlap in WPS's clinician customer base.

Emerging players

• Academic Therapy Publications / ATP (now Part of Routledge): ATP publishes assessments and instructional materials for special education and literacy. Comparable as an adjacent publisher serving the same special education and school psychologist market, though with a smaller product footprint than WPS.
• Mind Garden: Mind Garden publishes psychological assessments and instruments distributed to researchers and practitioners. Comparable as a niche publisher serving clinical psychologists and researchers, overlapping with WPS's professional clinician segments.

Others

• Western Governors University / Khan Academy (EdTech platforms serving assessment): EdTech platforms increasingly embed assessment workflows in K-12 and adult learning. Comparable as adjacent ecosystem participants that could partner with or substitute for WPS's assessment tools in digital learning environments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/wpspublish
• YouTubeyoutube.com/channel/UCI7wzwKNIj5fKN83Idh_yLg

Revenue estimate

Valuation estimate

Number of profiles

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 Western Psychological Services