Insights

Startup studio Sieo positions itself as a startup studio and agency with global reach and an emphasis on scaling from napkin sketches to growth, indicating a sales opportunity around end-to-end marketing, business development, and operational support for early-stage to scaling companies.

Tech stack leverage Utilize their modern tech stack (AWS, React, Webflow, Google Analytics, HTTP/3, Open Graph, Google Workspace) to offer advanced digital marketing, website optimization, analytics, and performance engineering services that align with data-driven growth initiatives.

Small firm agility With a lean team of 2-10 employees, Sieo likely prioritizes flexible, high-velocity engagement models, making it suitable to target as a partner for sprint engagements, quick-win campaigns, or fractional leadership in marketing and ops.

Revenue band Reported revenue of 1M-10M places Sieo in a mid-market band for outside services, suggesting upsell potential through larger-scale retainer-based marketing programs, performance marketing, or expanded agency services.

Global portfolio A global portfolio implies cross-market experience and potential needs for localization, international growth, and scalable demand-gen programs, creating opportunities for multi-region campaigns and global brand development.

Similar companies to Sieo

Sieo Tech Stack

Sieo uses 8 technology products and services including Amazon Web Services, Open Graph, Google Workspace, and more. Explore Sieo's tech stack below.

  • Amazon Web Services
    Cloud Hosting
  • Open Graph
    Content Management System
  • Google Workspace
    Email
  • Google Fonts API
    Font Scripts
  • React
    Javascript Frameworks
  • Webflow
    Page Builders
  • HTTP/3
    Web & Portal Technology
  • Google Analytics
    Web Analytics

Sieo's Email Address Formats

Sieo uses at least 1 format(s):
Sieo Email FormatsExamplePercentage
First@sieo.ioJohn@sieo.io
75%
Last@sieo.ioDoe@sieo.io
25%

Frequently Asked Questions

What is Sieo's phone number?

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You can contact Sieo's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sieo's official website and social media links?

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Sieo's official website is sieo.io and has social profiles on LinkedInCrunchbase.

How much revenue does Sieo generate?

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As of July 2026, Sieo's annual revenue is estimated to be $1M - $10M.

What is Sieo's SIC code NAICS code?

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Sieo's SIC code is 8742 - Management Consulting Services NAICS code is 541613 - Marketing Consulting Services.

How many employees does Sieo have currently?

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As of July 2026, Sieo has approximately 8 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Betrokken Bij Stichting Innovatie Economie Onderwijs: J. V. W. V. B.. Explore Sieo's employee directory with LeadIQ.

What industry does Sieo belong to?

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Sieo operates in the Advertising Services industry.

What technology does Sieo use?

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Sieo's tech stack includes Amazon Web ServicesOpen GraphGoogle WorkspaceGoogle Fonts APIReactWebflowHTTP/3Google Analytics.

What is Sieo's email format?

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Sieo's email format typically follows the pattern of First@sieo.io. Find more Sieo email formats with LeadIQ.

When was Sieo founded?

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Sieo was founded in 2016.
Sieo logo

Sieo

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.

Section iconCompany Overview

Phone number
Website
sieo.io
SIC Code
8742 - Management Consulting Services
NAICS Code
541613 - Marketing Consulting Services
Founded
2016
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    Sieo's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Sieo's revenue is estimated to be in the range of $1M - $10M

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