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HCAP’s Real Diagnostics Acquires Saliva Test Maker SimplyTest

Reported by Peprofessional
Oct 26, 2026· 2 min read
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Key Takeaways
  • • Real Diagnostics, a portfolio company of HCAP Partners, acquired SimplyTest, a maker of saliva-based oral health tests; terms were not disclosed.
  • • The deal extends Real Diagnostics, a CLIA-certified laboratory in Reisterstown, Md., into oral health testing and gives it a route to serve dental practices.
  • • SimplyTest's PERIO test, which uses a swish-and-spit saliva sample to detect gum disease pathogens, will continue without interruption, along with its provider support.
  • • HCAP is a California lower-middle-market investor providing $5 million to $35 million of mezzanine debt and private equity to companies with $10 million to $100 million in revenue.
Summary
Real Diagnostics, a portfolio company of HCAP Partners, has acquired SimplyTest, a maker of saliva-based oral health tests, according to the publisher's summary of the transaction. Terms were not disclosed.

The acquisition takes Real Diagnostics, a CLIA-certified laboratory based in Reisterstown, Maryland, into oral health testing and allows it to serve dental practices. Real Diagnostics currently runs high-complexity PCR testing for urinary tract, sexually transmitted and respiratory infections, and provides toxicology services to hospitals, physicians and medical offices.

SimplyTest's flagship PERIO test uses a swish-and-spit saliva sample to detect key pathogens linked to gum disease. The test gives clinicians organism-level data to tailor therapy and track periodontal health. According to the announcement, the PERIO test and SimplyTest's provider support will continue without interruption following the deal.

HCAP, a California lower-middle-market investor, provides $5 million to $35 million of mezzanine debt and private equity to companies with $10 million to $100 million in revenue. The transaction illustrates the firm's strategy of building out portfolio companies through add-on acquisitions in specialized diagnostics.

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Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Peprofessional HCAP’s Real Diagnostics Acquires Saliva Test Maker SimplyTest