Insights

Regional expansion Hart is expanding its footprint with a new presence in Detroit while maintaining offices in Toledo, Columbus, and Washington, D.C., presenting cross-regional upsell and multi-market campaigns for clients seeking cohesive national branding and local market activation.

Integrated branding With a 60-year track record of delivering empowering, unified brand experiences, Hart can position itself as a full-service partner for clients needing end-to-end branding, experiential marketing, and digital engagement across multiple channels.

Tech-enabled services Hart utilizes a modern tech stack including analytics and design tools such as Google Fonts API, Adobe XD, and web tracking, which can be leveraged to propose data-informed creative and measurable campaigns, appealing to data-driven buyers.

Mid-market focus Revenue in the $100M-$250M range and 201-500 employees place Hart in the mid-market segment, offering opportunities to target growing mid-market brands seeking scalable branding and advertising partnerships.

Strategic partnerships Hart operates as an independent agency with regional media and digital capabilities, making it a compelling partner for clients looking to consolidate creative, media, and experiential services under a single, nimble agency with regional expertise.

Hart Tech Stack

Hart uses 8 technology products and services including TrackJS, html5media, Google Fonts API, and more. Explore Hart's tech stack below.

  • TrackJS
    Analytics
  • html5media
    Audio, Video, Graphics
  • Google Fonts API
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • Envoy
    Load Balancers
  • Google My Business
    Miscellaneous
  • Microsoft Visual Basic for Applications
    Software Development
  • Adobe XD
    Team Collaboration

Media & News

Hart's Email Address Formats

Hart uses at least 1 format(s):
Hart Email FormatsExamplePercentage
FLast@hartinc.comJDoe@hartinc.com
93%
Last@hartinc.comDoe@hartinc.com
3%
First@hartinc.comJohn@hartinc.com
3%
First.Last@hartinc.comJohn.Doe@hartinc.com
1%

Frequently Asked Questions

What is Hart's phone number?

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You can contact Hart'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 Hart's stock symbol?

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Hart is a publicly traded company; the company's stock symbol is GTLS-PB.

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

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Hart's official website is hartinc.com and has social profiles on LinkedIn.

What is Hart's SIC code NAICS code?

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

How many employees does Hart have currently?

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As of July 2026, Hart has approximately 233 employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: B. M.President: G. H.Founder And Creative Director: H. H.. Explore Hart's employee directory with LeadIQ.

What industry does Hart belong to?

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Hart operates in the Advertising Services industry.

What technology does Hart use?

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Hart's tech stack includes TrackJShtml5mediaGoogle Fonts APIjQuery MigrateEnvoyGoogle My BusinessMicrosoft Visual Basic for ApplicationsAdobe XD.

What is Hart's email format?

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

When was Hart founded?

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Hart was founded in 1965.

Hart

Advertising ServicesOhio, United States201-500 Employees

Hart is a mid-sized advertising services firm with a long-standing independent status. Based in Toledo, Ohio, the company also maintains offices in Columbus, Ohio, Detroit, and Washington, D.C. With a history spanning about sixty years, Hart has built a multi-market footprint focused on delivering cohesive brand experiences.

Hart serves brands seeking to align messaging and presence across channels and markets, offering integrated branding and advertising services to support that effort. Its geographic footprint centers on Ohio and extends to Detroit and Washington, D.C., reflecting a regional-to-national scope. A notable development is its expansion into Detroit, signaling ongoing geographic growth.

Section iconCompany Overview

Phone number
SIC Code
8742 - Management Consulting Services
Stock Symbol
GTLS-PB
NAICS Code
541613 - Marketing Consulting Services
Founded
1965
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $100M$250M

    Hart's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Hart's revenue is estimated to be in the range of $100M$250M

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