How many email patterns does Sieo use?

Sieo uses 2 known email patterns.

What domain does Sieo use for work emails?

Sieo uses sieo.io for work email addresses.

Most Common Email Formats at Sieo

Sieo's most common email format is First@sieo.io (ex. John@sieo.io), used for 75% of sieo.io addresses. Sieo uses 2 email patterns.

@sieo.io

2 patterns

Format	Example	Share of sieo.io
First@sieo.ioMost common	John@sieo.io	75%
Last@sieo.io	Doe@sieo.io	25%

Need a specific person's email?

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

Frequently Asked Questions

What does Sieo do?

Sieo was founded in 2016 and operates in the Advertising Services industry, alongside similar companies like OpsGenie, Squadcast and PagerDuty. You can visit sieo.io or contact Sieo's headquarters by phone at

+1-714-858-****

. Explore Sieo's company overview page for more information.

What is Sieo's email address format?

Sieo's email format typically follows the pattern of First@sieo.io; this email format is used 75% of the time. Other contacts within LeadIQ's database had email formats such as Last@sieo.io. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Sieo have currently?

Sieo has approximately 8 employees as of November 2026. Key team members to contact include Senior: S. L. and Betrokken Bij Stichting Innovatie Economie Onderwijs: J. V. W. V. B. For more team information and contact data, explore Sieo's employee directory with LeadIQ.

Sieo Email Format

Q: What is Sieo's email address format?

Sieo's email format typically follows the pattern of ${fn}. Other email formats include ${ln}.

Advertising ServicesCalifornia, United States2-10 Employees

Sieo is a Playa Del Rey, California-based startup studio and advertising agency that leverages its experience in marketing, business development, and operations to support the growth of client businesses. The firm positions itself as a partner for ventures at any stage, from early napkin sketches to scaling companies, offering strategic guidance and execution to help clients expand. Operating within the advertising services sector, Sieo serves a global client portfolio and emphasizes collaboration to drive business success. The organization is small in scale, reflecting a lean team structure, and focuses on delivering integrated support across disciplines rather than a single-service proposition.

Most common format

First@sieo.io

Example: John@sieo.io

2 patterns. See all formats

Verify a Sieo 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 Sieo

@sieo.io

Need a specific person's email?

Frequently Asked Questions

What does Sieo do?

What is Sieo's email address format?

How many employees does Sieo have currently?

Sieo 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.