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Products & Services
About Proof
Notarize allows you to notarize online, anywhere, anytime, with notaries available 24x7 by computer, tablet, or smartphone. Simpler. Smarter. Safer. This profile covers Proof, a company operating in Software, employing 251-500 people, reporting $50M-$100M in annual revenue, classified under Software Publishers and based in Boston, Massachusetts, United States.
Its primary NAICS classification is 513210 (Software Publishers). Proof is one of 6,907 IT companies listed in Massachusetts.
Business Contact Information
- Website
- www.proof.com
- linkedin.com/company/notarize
- facebook.com/notarize
- Address
- 867 Boylston St, Boston, Massachusetts, 2116, United States
Industry & Classification
- Industry
- IT
- Sector
- Software and Services
- Segment
- Software
NAICS Codes
- 51Information
- 5132Software Publishers
- 513210Software Publishers
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7372Software Publishers
Company Details
- Employees
- 400 (251-500)
- Annual Revenue
- $84.0M ($50M-$100M)
Proof: frequently asked questions
What does Proof do?
Notarize allows you to notarize online, anywhere, anytime, with notaries available 24x7 by computer, tablet, or smartphone. Simpler. Smarter. Safer.
Where is Proof located?
Proof is headquartered at 867 Boylston St, Boston, Massachusetts, 2116, United States.
How many employees does Proof have?
Proof has about 400 employees (the 251-500 range).
What is Proof's annual revenue?
Proof's annual revenue is estimated at $84.0M (the $50M-$100M range).
What industry is Proof in?
Proof is in the IT / Software and Services industry, and its primary NAICS code is 513210 (Software Publishers).
How can I contact Proof?
Its website is www.proof.com.
What companies are similar to Proof?
Other large iT companies in Massachusetts include Affirmed Networks, Toast Inc, Autodesk and UKG Inc.
Largest it companies in Massachusetts
Largest companies in Massachusetts
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Manufacturing sales in Massachusetts, 2026
In Massachusetts, Factur's 2026 study counted 32 manufacturing quotes worth $961K and 7 purchase orders over 12 months: 22% of quotes became orders, against 21% nationally. See the Massachusetts data.
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