Insights

Niche Market Focus Seiden specializes in working with mission-driven brands and organizations seeking to make a positive social impact, offering opportunities to partner with purpose-driven clients aligned with values of social responsibility and sustainability.

Mid-Sized Agency With a team of 11-50 employees, Seiden is positioned as a boutique agency capable of personalized service and flexible collaboration, appealing to smaller brands or organizations seeking bespoke advertising solutions.

Technological Integration Seiden’s use of advanced web and analytics technologies such as JSON-LD, Google Analytics, and Backbone.js indicates a modern approach that can be enhanced through partnerships in data management, marketing automation, or digital innovation tools.

Revenue Potential Generating between $25 million and $50 million, Seiden presents opportunities for expansion via new client acquisition or service diversification in the competitive advertising space, especially among organizations aligned with social impact.

Alignment with Large Firms While smaller in size, Seiden’s mission-driven focus complements the values of larger, global agencies like Publicis or WPP, opening avenues for strategic collaborations, subcontracting, or niche service offerings with big industry players.

Seiden Tech Stack

Seiden uses 8 technology products and services including cdnjs, Open Graph, oEmbed, and more. Explore Seiden's tech stack below.

  • cdnjs
    Content Delivery Network
  • Open Graph
    Content Management System
  • oEmbed
    Dev Tools
  • Backbone.js
    Javascript Frameworks
  • JSON-LD
    Javascript Frameworks
  • Underscore.js
    Javascript Libraries
  • Yoast SEO
    Search Engines
  • Google Analytics
    Web Analytics

Media & News

Seiden's Email Address Formats

Seiden uses at least 1 format(s):
Seiden Email FormatsExamplePercentage
FLast@seidenadvertising.comJDoe@seidenadvertising.com
81%
Last@seidenadvertising.comDoe@seidenadvertising.com
11%
First.Last@seidenadvertising.comJohn.Doe@seidenadvertising.com
6%
LastF@seidenadvertising.comDoeJ@seidenadvertising.com
2%

Frequently Asked Questions

Where is Seiden's headquarters located?

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Seiden's main headquarters is located at 112 Madison Avenue 9th Floor New York, New York 10016 United States. The company has employees across 3 continents, including North AmericaAsiaEurope.

What is Seiden's phone number?

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You can contact Seiden'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 Seiden's official website and social media links?

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Seiden's official website is seidenadvertising.com and has social profiles on LinkedIn.

What is Seiden's SIC code NAICS code?

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

How many employees does Seiden have currently?

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As of April 2026, Seiden has approximately 27 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Creative Officer (cco): J. S.President & Ceo: M. S.President: S. A. S.. Explore Seiden's employee directory with LeadIQ.

What industry does Seiden belong to?

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Seiden operates in the Advertising Services industry.

What technology does Seiden use?

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Seiden's tech stack includes cdnjsOpen GraphoEmbedBackbone.jsJSON-LDUnderscore.jsYoast SEOGoogle Analytics.

What is Seiden's email format?

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Seiden's email format typically follows the pattern of FLast@seidenadvertising.com. Find more Seiden email formats with LeadIQ.

When was Seiden founded?

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Seiden was founded in 1995.

Seiden

Advertising ServicesNew York, United States11-50 Employees

WE ARE SEIDEN, the mission-driven advertising agency from a little island called Manhattan. We concept, create and distribute content across all media to deliver real results for our clients. And not just any clients. We collaborate with organizations and brands who are on a mission to make the world better, just like us. Check out our work and you’ll see what we mean.

Section iconCompany Overview

Headquarters
112 Madison Avenue 9th Floor New York, New York 10016 United States
Phone number
SIC Code
8742 - Management Consulting Services
NAICS Code
541613 - Marketing Consulting Services
Founded
1995
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    Seiden's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Seiden's revenue is estimated to be in the range of $25M$50M

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