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§ Private Profile · London, United Kingdom
Signifier Medical Technologies is a technology company.
Signifier Medical Technologies develops and commercializes innovative, non-invasive solutions for patients experiencing snoring and sleep-disordered breathing conditions. Their primary product, eXciteOSA, offers a unique daytime therapy that employs neuromuscular electrical stimulation to retrain the airway musculature, directly addressing the physiological root cause of collapse rather than merely alleviating symptoms. This approach differentiates it from traditional treatments that are typically worn during sleep.
The company's co-founder, Professor Akhil Tripathi, a seasoned medical device entrepreneur, initiated the development of eXciteOSA from an insight into the limitations of existing sleep-disordered breathing therapies. Recognizing that conventional devices often caused discomfort, treated only symptoms, and disrupted sleep further, Professor Tripathi committed to creating a disruptive, non-sleep-dependent treatment that physiologically retrains the airway. His extensive experience guided the creation of this novel solution.
Signifier Medical Technologies targets patients with snoring and mild obstructive sleep apnea. The company's vision centers on revolutionizing sleep apnea therapy with eXciteOSA, aiming to deliver substantial impact on the lives of millions worldwide. By providing a truly innovative and effective solution, they strive to meet significant unmet medical needs in the global sleep market, improving overall patient well-being.
Signifier Medical Technologies has raised $94.0M across 3 funding rounds.
Signifier Medical Technologies has raised $94.0M in total across 3 funding rounds.
Signifier Medical Technologies (SMT) is a medical technology company developing and commercializing eXciteOSA, a non-invasive daytime therapy device for snoring and mild sleep-disordered breathing.[1][2] It targets patients frustrated with traditional nighttime treatments like CPAP masks, addressing the root cause by physiologically retraining airway muscles during 20-minute daily sessions.[1] The company serves millions globally facing unmet needs in sleep health, with strong growth evidenced by $45M total funding (including a $35M recent round), EU MDR certification for broader market access, and headquarters in London, UK.[1][2]
Founded in 2015 as Snoozeal Limited (renamed Signifier Medical Technologies in 2019), SMT emerged from co-founder Professor Akhil Tripathi's empathy for patients struggling with stagnant sleep-disordered breathing treatments unchanged for decades.[1][2][3][4] A serial medical device entrepreneur, Tripathi collaborated with a multidisciplinary team—including sleep medicine experts, maxillofacial surgeons, engineers, and regulatory specialists—to create eXciteOSA, the world's first daytime therapy.[1] After three years of development, the clinically proven device gained early traction through its simple, intuitive design, marking a pivotal shift from sleep-worn products.[1]
SMT rides the exploding demand for non-invasive sleep tech, fueled by rising awareness of sleep apnea's links to cardiovascular risks and the limitations of 20-year-old treatments.[1] Perfect timing aligns with post-pandemic sleep health focus and regulatory shifts like EU MDR, enabling faster market penetration amid a $6.5M revenue base.[2] Favorable market forces include aging populations and telemedicine growth, positioning SMT to disrupt a fragmented industry while influencing ecosystems through partnerships and daytime therapy standards.[1][2]
SMT is primed for global expansion with eXciteOSA's MDR certification unlocking Europe and potential US pivots, bolstered by its $45M war chest.[2] Trends like AI-enhanced wearables and personalized sleep medicine will amplify its retraining model, potentially capturing share from CPAP giants. Expect influence growth via acquisitions or new indications, solidifying its pioneer status in daytime therapies and returning to the core promise: transforming lives by making effective sleep solutions simple and wearable-free.[1][2]
Signifier Medical Technologies has raised $94.0M in total across 3 funding rounds.
Signifier Medical Technologies's investors include David J., Roger Gunnarsson, Hitesh Gupta, CFA, Alan Howard, Pioneer Healthcare Partners, Domain Associates, Polaris Partners, Jim Blair, Kieran Gallahue, The Pritzker Organization.
Signifier Medical Technologies has raised $94.0M across 3 funding rounds. Most recently, it raised $49.0M Other Equity in March 2022.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Mar 22, 2022 | $49M Venture Round | — | David J., Roger Gunnarsson, Hitesh Gupta, CFA | Announced |
| Jul 27, 2021 | $35M Series D | Alan Howard, David J., Pioneer Healthcare Partners, Roger Gunnarsson | — | Announced |
| Sep 1, 2020 | $10M Series C | Alan Howard | Domain Associates, Polaris Partners, JIM Blair, Kieran Gallahue, The Pritzker Organization | Announced |