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ProTom International, Inc.

ProTom International, Inc.

Private
Woburn, MassachusettsHealthcare & Life Scienceshttps://protomasia.com/

Last Round

Private Equity

Apr 6, 2017

Total Funding Raised

$60M

Company Overview

ProTom International, Inc. is a medical technology company that develops and manufactures compact proton therapy systems for cancer treatment.

Sector

Healthcare & Life Sciences

Verticals

Medical Devices, Medical Imaging

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

proton therapyproton beam therapycancer treatmentmedical deviceradiation oncologyparticle therapypencil beam scanningmedical capital equipmentoncology infrastructureproton centercompact proton therapyclinical radiotherapymedical hardware

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ProTom International, Inc. Comparables

Compare ProTom International, Inc. with similar companies based on industry and business-model similarity.

ProTom International, Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Mevion Medical Systems
91%
P-Cure Ltd
89%
ProNova Solutions
88%

ProTom International, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Private EquityApr 6, 2017

Key People

Founding team and executive leadership

Paul Tso

Chief Executive Officer

Executive Team

ProTom International, Inc. Investors

Notable investors and investment history

ProTom International, Inc. investors
InvestorRounds
Michaelson Capital PartnersPrivate Equity

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 1, 2026

    Monthly visitors increased 133% MoM.

  • May 2, 2025

    Monthly visitors grew 136% MoM, reaching 1.2K.

ProTom International, Inc. Filings

SEC and related filings with document metadata.

Data table
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ProTom International, Inc. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersWoburn, Massachusetts
Employee Range21
Year Founded2008
Last FundingApr 6, 2017

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