How many email patterns does PROTOIO INC use?

PROTOIO INC uses 4 known email patterns.

What domain does PROTOIO INC use for work emails?

PROTOIO INC uses proto.io for work email addresses.

Most Common Email Formats at PROTOIO INC

PROTOIO INC's most common email format is FirstL@proto.io (ex. JohnD@proto.io), used for 77% of proto.io addresses. PROTOIO INC uses 4 email patterns.

@proto.io

4 patterns

Format	Example	Share of proto.io
FirstL@proto.ioMost common	JohnD@proto.io	77%
First@proto.io	John@proto.io	13%
FirstLast@proto.io	JohnDoe@proto.io	7%
First.Last@proto.io	John.Doe@proto.io	3%

Need a specific person's email?

Browse PROTOIO INC's employee directory (about 8 employees) and reveal verified emails free.

Frequently Asked Questions

What does PROTOIO INC do?

PROTOIO INC was founded in 2011 and operates in the IT Services and IT Consulting industry, alongside similar companies like UXPin, Balsamiq and Sketch. You can visit protoioinc.com. Explore PROTOIO INC's company overview page for more information.

What is PROTOIO INC's email address format?

PROTOIO INC's email format typically follows the pattern of FirstL@proto.io; this email format is used 77% of the time. Other contacts within LeadIQ's database had email formats such as First@proto.io and FirstLast@proto.io. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does PROTOIO INC have currently?

PROTOIO INC has approximately 8 employees as of October 2026. Key team members to contact include Co-Founder And Ceo: A. P., Operations And Administration Manager: A. M. K. and Marketing Team Lead: C. V. For more team information and contact data, explore PROTOIO INC's employee directory with LeadIQ.

PROTOIO INC Email Format

IT Services and IT ConsultingCalifornia, United States2-10 Employees

PROTOIO INC is a small IT services and IT consulting company based in San Francisco, California. It develops productivity software aimed at speeding up the product development lifecycle by boosting efficiency and reducing miscommunication within product teams. Proto.io serves as the company’s core product, a prototyping platform used to create and test interface ideas. The firm’s newer offering, Overflow, is described as the world’s first user flow diagramming tool tailored for designers.

The company’s customers are product teams and designers seeking to streamline collaboration and shorten design-to-development cycles.

Most common format

FirstL@proto.io

Example: JohnD@proto.io

4 patterns. See all formats

Verify a PROTOIO INC email address

Free with a LeadIQ account. No credit card.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust LeadIQ to help them build pipeline confidently.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

Most Common Email Formats at PROTOIO INC

@proto.io

Need a specific person's email?

Frequently Asked Questions

What does PROTOIO INC do?

What is PROTOIO INC's email address format?

How many employees does PROTOIO INC have currently?

PROTOIO INC Email Format

Ready to create more pipeline?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.