What is Sullivan's NAICS code?

Sullivan's NAICS code is 541613 (Marketing Consulting Services).

Insights

Complexity to Clarity Sullivan specializes in transforming complex, regulated, or technical industries into brands that customers understand at decision points. This suggests a sales opportunity in financial services, higher education, technology, and professional services sectors that are currently seeking clearer customer journeys and differentiated positioning.

WBENC Certified Advantage Being woman-owned and WBENC certified can be leveraged to pursue partnership programs, RFPs, and corporate supplier diversity initiatives. Target enterprise clients with mandated supplier diversity requirements and highlight Sullivan as a compliant, diverse marketing partner.

Scale & Resources With 201-500 employees and revenue between $500M and $1B, Sullivan operates at a scale suitable for large, multi-market campaigns while maintaining specialized expertise. This positions the firm to win complex, multi-channel branding and demand-generation projects from mid- to large-cap clients.

Tech-Driven Insights Utilizing tools like Alteryx, Tableau, HubSpot Analytics, Smartsheet, and Slack indicates strong capabilities in data-driven marketing, analytics, and cross-functional collaboration. Opportunities exist to upsell advanced attribution, marketing operations, and insights-led rebranding programs.

Strategic Sectors Experience in financial services, higher education, technology, and professional services signals a ready-made cross-sell path for clients seeking brand strategy combined with customer journey optimization at critical decision points. Consider expanding into adjacent industries with similar ecosystem complexity.

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Sullivan Tech Stack

Sullivan uses 8 technology products and services including Alteryx, HubSpot Analytics, Tableau, and more. Explore Sullivan's tech stack below.

Alteryx
Advanced Analytics And Data Science
HubSpot Analytics
Analytics
Tableau
Business Intelligence
Sketch
Design
Google Workspace
Email
Microsoft 365
Email
Smartsheet
Project Management
Slack
Software Framework

Sullivan's Email Address Formats

Sullivan uses at least 3 email formats:

Sullivan Email Formats	Example	Percentage
FLast@sullivannyc.com	JDoe@sullivannyc.com	98%
LastFir@sullivannyc.com	DoeJoh@sullivannyc.com	1%
L.First@sullivannyc.com	D.John@sullivannyc.com	1%

Frequently Asked Questions

What is Sullivan's phone number?

You can contact Sullivan's main corporate office by phone at

+1-212-687-****

. 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 Sullivan's stock symbol?

Sullivan is a publicly traded company; the company's stock symbol is OSL.

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

Sullivan's official website is sullivannyc.com and has social profiles on LinkedIn.

How much revenue does Sullivan generate?

As of August 2026, Sullivan's annual revenue is estimated to be $500M - $1B.

What is Sullivan's SIC code and NAICS code?

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

How many employees does Sullivan have currently?

As of August 2026, Sullivan has approximately 372 employees across 5 continents, including North America, Europe and Asia. Key team members include Ceo: B. O., President: L. S. and Owner: B. S. Explore Sullivan's employee directory with LeadIQ.

What industry does Sullivan belong to?

Sullivan operates in the Advertising Services industry.

What technology does Sullivan use?

Sullivan's tech stack includes Alteryx, HubSpot Analytics, Tableau, Sketch, Google Workspace, Microsoft 365, Smartsheet and Slack.

What is Sullivan's email format?

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

When was Sullivan founded?

Sullivan was founded in 1990.

Sullivan

Q: What is Sullivan's official website and social media links?

Sullivan's official website is sullivannyc.com. Sullivan has social profiles on LinkedIn.

Q: How many employees does Sullivan have currently?

Sullivan has approximately 372 employees.

Q: What technology does Sullivan use?

Sullivan's tech stack includes Alteryx, Tableau, Google Analytics 4, HTML, Zeplin.

Advertising ServicesNew York, United States201-500 Employees

Sullivan is a brand and marketing firm based in New York City, founded in 1990 by Barbara Apple Sullivan. It specializes in translating complex business models into brands that are easy to understand and relate to, with a focus on guiding customers at moments of decision within intricate ecosystems. The firm brings decades of experience across sectors such as financial services, higher education, technology, and professional services, and is woman-owned with WBENC certification.

In the Advertising Services landscape, Sullivan emphasizes brand work that supports customers at critical decision points rather than broad awareness campaigns. Located in New York City and operating as a mid-sized firm, it pursues engagements that require deep industry insight and tailored branding strategies for organizations navigating complexity.