25.3weeks
Median referral-to-treatment wait in psychiatry in the 2025 survey
Psychiatrist response rate: 1.7%; interpret cautiously.
For investors
Adult ADHD assessment software for patients, doctors, and health systems.
The patient completes a guided history, questionnaires, and a text interview. Limbus prepares a source-linked draft assessment report. The doctor reviews, corrects, speaks with the patient, and decides.
The thesis
Assessment is where the access gap lives. Infrastructure is how we address it.
The access gap in psychiatric care is structural. The bottleneck is specialist capacity, not demand. In Canada, the wait for a psychiatric assessment routinely stretches beyond six months, while referral rates outpace what the specialist workforce can absorb. This is a capacity problem, and capacity problems do not resolve by adding more specialists at the margin.
LimbusHealth Assess is adult ADHD assessment software being developed for patients and doctors. Before the appointment, the patient completes a guided history, screening questionnaires, and an adaptive text interview. Limbus links findings to source answers, preserves gaps and contradictions, and prepares a draft assessment report. The doctor reviews and corrects it, speaks with the patient, decides whether ADHD is the right diagnosis, and finalizes the clinical record.
The defensible layer is not a generic model. It is the controlled clinical workflow around it: structured patient input, source-linked evidence, criteria and safety gates, explicit uncertainty, clinician correction, signed output, and versioned provenance. That is harder to build, and harder to copy, than a conversational front end.
For investors · The opportunity
Psychiatric assessment has not scaled with the need.
The bottleneck is not demand. It is specialist capacity. The numbers describe a structural gap, not a marketing angle.
70%
Of psychiatrists contacted were unable to accept a referral in one Vancouver study
2.5M
People in Canada with unmet mental-health-care needs
LimbusHealth Assess is being developed to guide intake, screening, and an adaptive adult ADHD interview, then carry a source-linked evidence record into doctor review. The aim is to widen access to assessment without moving the clinical decision out of the doctor’s hands.
Built with specialist clinical leadership, Limbus is designed for patients and doctors, not as a wellness app or an autonomous diagnostic engine. A doctor stays responsible for every clinical decision by design.
SaMD readiness record
Readiness is a set of gates, not a badge.
Limbus reports software verification, clinical validation, regulatory review, and authorization as separate states. Progress in one does not imply completion of another.
- 01
- INTENDED USE
- Adult ADHD assessment
- Assessment support for the first indication; not a general diagnostic engine.
- 02
- CLINICAL DECISION
- Doctor review required
- The software prepares a reviewable record. The doctor questions, corrects, and decides.
- 03
- EVIDENCE
- Development evidence
- Software verification exists; independent clinical validation remains open.
- 04
- CANADIAN PATHWAY
- Canadian pathway unresolved
- Classification, regulatory strategy, and applicable quality-system requirements remain to be resolved.
- 05
- PATIENT USE
- Not authorized for clinical use
- No public or clinical access is offered through this website.
The founder
Built by a psychiatrist who has practiced on the front line of the access gap.
FOUNDER RECORD
Dr. Marie Claire Bourque, MD, FRCPC, is a Royal College–certified psychiatrist practicing in British Columbia and Ontario, and the founder of Limbus Health. Her career on the front line of the access gap — emergency departments, inpatient wards, and outpatient assessment — led her to build clinician-led infrastructure that brings structure and rigor to psychiatric assessment. She is Limbus Health’s founder and sole developer, pairing clinical judgment with the engineering to deliver it.
What's in the deck
What the deck covers.
- §01
Company & founder
The founder's background and the clinical judgment behind the build.
- §02
The access gap
The structural numbers behind the thesis, with sources.
- §03
The system
What Limbus is designed to do, and the doctor-in-the-loop design that defines it.
- §04
Regulatory pathway
The unresolved Canadian classification and authorization pathway, stated without implying a filing or approval.
- §05
Market & model
How clinician-led assessment infrastructure reaches the system that needs it.
- §06
Roadmap
What gets built, in what order.
Access, when available, includes the PDF attachment · private backup link
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- 01
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- 02
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- 03
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NOTICE
This page and the deck are informational only. Nothing here is an offer to sell, or a solicitation of an offer to buy, securities.
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