Healthtech Startups

Rahm Sensor Development builds remote monitoring systems using radar, thermal, and multi-modal sensor technologies for healthcare facilities including correctional institutions and skilled nursing facilities. The company develops real-time behavioral detection and vital sign monitoring solutions for patient safety and care.

1 investor

Rainbo produces functional mushroom tinctures containing Lion's Mane and Cordyceps designed to support cognitive function, focus, energy, and immune health. The company sources 100% traceable Canadian mushrooms using dual extraction methods with no grain, fillers, or mycelium.

1 investor

RAINBOW develops regenerative medicine products for brain repair, using autologous mesenchymal stem cells (MSCs) cultured from a patient's own bone marrow. The company works on custom cell-based therapies aimed at treating brain damage.

1 investor

RainStella Tech (RST) builds AI-enabled virtual healthcare software, including a cloud-based EMR, a surgical workflow assistant, and a health information exchange platform for clinical personnel, healthcare systems, and emerging healthcare markets. It also provides professional services for strategy, technical design, integrations, and infrastructure deployments in the healthcare sector.

1 investor

RAIsonance builds AI that analyzes the sound of human coughs to screen for respiratory diseases, support physician evaluations, and monitor chronic respiratory conditions. It serves healthcare use cases within the respiratory health domain.

1 investor

Rakuten Medical is a global biotechnology company that develops and commercializes precision cell-targeting photoimmunotherapy treatments for cancer using its proprietary Alluminox platform. The company focuses on creating innovative cancer treatment options and bringing them to patients worldwide.

1 investor

RAM Medical Innovations develops medical devices for preventing amputations in vascular patients, specifically the Mubin-Y Sheath, a patented bifurcated sheath technology with integrated fixed wire design.

1 investor

RamSoft develops DICOM software for medical imaging applications. The company was founded in Toronto and presented its initial imaging software at RSNA in 1994.

1 investor

Rancho Family Medicine operates a family medical practice and organizes community events to help prospective patients meet physicians before establishing care relationships.

1 investor

Rand operates RandGallery, an NFT marketplace built on the Algorand blockchain. Artists can mint and list work directly, and collectors can browse and trade Algorand-based NFTs, with the platform relying on the chain's low transaction fees and quick settlement times.

1 investor

Rapid-myco Technologies develops bacteriophage-based diagnostic tests for detecting mycobacterial infections in humans and livestock, with rapid turnaround times. The company offers tests for diseases including Johne's disease in livestock and tuberculosis in humans and animals.

1 investor

Rapid Nexus Nanotech Wound Solutions develops a regenerative medical device technology (Hemastyl) that aims to repair nerves, muscle, and vasculature to heal chronic non-healing wounds and prevent amputations. It targets patients with diabetes, trauma, and peripheral vascular disease in the peripheral neuropathy and diabetic foot ulcer markets.

1 investor

Rappore is a physician-led telehealth clinic offering coordinated psychiatry, medication management, and therapy for adults, with specialization in anxiety and treatment-resistant cases. It emphasizes measurement-based care, considering factors like sleep, stress, and hormones, and provides upfront insurance-verified pricing.

1 investor

Rappta Therapeutics develops small molecule compounds that reactivate protein phosphatase 2A (PP2A) to treat cancer by restoring the enzyme's tumor suppressor function. The company targets the underlying mechanism of protein hyperphosphorylation that drives cancer progression.

1 investor

Rarebreed Veterinary Partners operates a network of veterinary practices across the Northeast, providing management support, technology, and human resources services to help practices focus on patient care. The company serves veterinary hospitals, urgent care clinics, and specialty emergency facilities across multiple states.

1 investor

RAYDIAX develops image-guided therapy assistance solutions, specifically a CT imaging system called TACT designed for minimally invasive medical procedures. The company serves clinical users and patients across the global healthcare system.

1 investor

Rayence develops digital X-ray detectors for dental, medical, veterinary, and industrial applications using proprietary CMOS wafer design, TFT panel, and scintillator technology. The company exports medical device components globally and has been recognized for innovations including flexible intraoral sensors.

1 investor

Reckitt is a global health and hygiene company that manufactures and sells trusted consumer brands for personal care, home care, and health solutions. The company operates across more than 60 countries and serves millions of consumers daily through science-led innovation in health and hygiene products.

1 investor

RBL Ventures is a venture firm and company-building partner that works with scientific founders, physicians, and researchers to turn biomedical discoveries into biotechnology companies. Based in the Texas Medical Center ecosystem in Houston, it provides early-stage capital, operational expertise, and infrastructure to advance medicines addressing unmet patient needs.

1 investor

IOM Consulting Limited provides occupational hygiene, laboratory testing, and professional consulting services to law firms, NHS trusts, rail operators, and industrial clients across the UK. The firm was established in 1990 and was acquired by Rcapital in 2026 as a carve-out from an insolvent parent organization.

1 investor

RCE Technologies develops a wrist-worn wearable (Infrasensor) that uses infrared sensors and machine learning to detect signals associated with severe coronary artery occlusion, aiming for earlier heart attack detection. The technology targets clinical and acute care settings such as emergency departments and pre-hospital paramedic use.

1 investor

Revenue Cycle Partners provides revenue cycle management services for behavioral health, substance use disorder, and mental health providers and facilities, including contracting and credentialing, eligibility verification, utilization review, medical billing, and claims and accounts receivable management. The company also offers consulting on process improvement, RCM software implementation, billing transitions, and payer audits.

1 investor

RD8 Labs manufactures a gel-cream skincare product formulated with hyaluronic acid and natural plant extracts for hydration and anti-aging benefits.

1 investor

RDD Pharma is a specialty pharmaceutical company developing targeted treatments for anorectal diseases and gastrointestinal disorders, such as fecal incontinence, pruritus ani, and radiation proctitis. It repurposes already-approved drugs combined with its proprietary drug-delivery technology to shorten the regulatory path while retaining patent protection.

1 investor