Insights

Boutique scale Sieo operates as a small but global startup studio and agency, indicating a potential appetite for scalable, high-impact marketing partnerships and flexible engagement models with select clients.

Full-stack tech With a diverse tech stack (LinkedIn Ads, Mixpanel, AWS, Webflow, Intercom, Google Maps, jQuery), Sieo can support data-driven campaigns, analytics integration, and modern web production—opportunities to upsell analytics, automation, and performance marketing services.

Revenue band Reported revenue in the $1M–$10M range suggests the business is growing but lean, making them receptive to cost-efficient, high-ROI partnerships and staged engagements as they scale.

Global reach A global portfolio hints at cross-market campaigns and multinational client needs, presenting opportunities for regionalized strategy, localization services, and scalable campaigns across markets.

Growth-ready As a startup studio and agency with marketing, business development, and operations expertise, Sieo is positioned to partner across stages—from napkin-sketch launches to scale-ups—creating opportunities for end-to-end go-to-market, channel expansion, and operational acceleration services.

Similar companies to Sieo

Sieo Tech Stack

Sieo uses 8 technology products and services including LinkedIn Ads, Mixpanel, Amazon Web Services, and more. Explore Sieo's tech stack below.

Sieo's Email Address Formats

Sieo uses at least 2 email formats:
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 LinkedIn and Crunchbase.

How much revenue does Sieo generate?

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

What is Sieo's SIC code and NAICS code?

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

How many employees does Sieo have currently?

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As of September 2026, Sieo has approximately 8 employees across 4 continents, including North America, Europe and South America. Key team members include Senior: S. L. and 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 LinkedIn Ads, Mixpanel, Amazon Web Services, Google Workspace, jQuery, Intercom, Google Maps and Webflow.

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

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