Insights

Growth Expansion Hart has recently expanded to Detroit while maintaining a presence in Toledo, Columbus, and Washington, D.C. This suggests a sales opportunity to offer cross-city advertising services, regional marketing campaigns, and multi-market activation programs to leverage their growing footprint.

Brand Experience With a 60-year focus on empowering unified brand experiences, there is potential to pitch integrated marketing solutions that blend digital, experiential, and print channels to strengthen brand consistency across Hart's markets.

Tech Enablement Existing tech stack includes data visualization and analytics tools (Looker, Google Data Studio) and digital marketing platforms (Agorapulse, Google Tag Manager). Opportunities exist to upsell advanced analytics, attribution modeling, and optimization services to drive smarter media and creative decisions.

Revenue Range Current revenue is in the $100M-$250M range with 201-500 employees, indicating a mid-market profile ideal for enterprise-grade advertising operations, complex media buys, and scalable creative production partnerships.

Agency Fit Hart’s independent, multi-office structure and emphasis on meaningful, place-based brand experiences align well with partnerships offering cross-regional media campaigns, sponsorships, and localized content production to bolster market reach.

Hart Tech Stack

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

  • Looker
    Analytics
  • Google Data Studio
    Business Intelligence
  • Google Fonts API
    Font Scripts
  • Slick
    Javascript Libraries
  • Envoy
    Load Balancers
  • Google My Business
    Miscellaneous
  • Agorapulse
    Social Media Marketing Software
  • Google Tag Manager
    Tag Management

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.

How much revenue does Hart generate?

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As of August 2026, Hart's annual revenue is estimated to be $100M - $250M.

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 August 2026, Hart has approximately 241 employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: B. M.Founder And Creative Director: H. H.Founder 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 LookerGoogle Data StudioGoogle Fonts APISlickEnvoyGoogle My BusinessAgorapulseGoogle Tag Manager.

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 logo

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 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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