What is Hill Holliday's NAICS code?

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

Hill Holliday Tech Stack

Hill Holliday uses 8 technology products and services including Google Ads Conversion Tracking, WordPress, Open Graph, and more. Explore Hill Holliday's tech stack below.

Google Ads Conversion Tracking

Analytics

WordPress

Content Management System

Open Graph

Content Management System

oEmbed

Dev Tools

JSON-LD

Javascript Frameworks

Modernizr

Javascript Libraries

Java

Programming Languages

Apache

Web Servers

Hill Holliday's Email Address Formats

Hill Holliday uses at least 2 format(s):

Hill Holliday Email Formats	Example	Percentage
First.Last@hhcc.com	John.Doe@hhcc.com	80%
FLast@hhcc.com	JDoe@hhcc.com	15%
Last.First@hhcc.com	Doe.John@hhcc.com	3%
Last@hhcc.com	Doe@hhcc.com	2%
First.Last@hillholliday.com	John.Doe@hillholliday.com	99%
First.Middle@hillholliday.com	John.Michael@hillholliday.com	1%

Hill Holliday Email Formats

Example

Percentage

First.Last@hhcc.com

John.Doe@hhcc.com

80%

FLast@hhcc.com

JDoe@hhcc.com

15%

Last.First@hhcc.com

Doe.John@hhcc.com

Last@hhcc.com

Doe@hhcc.com

First.Last@hillholliday.com

John.Doe@hillholliday.com

99%

First.Middle@hillholliday.com

John.Michael@hillholliday.com

Frequently Asked Questions

Where is Hill Holliday's headquarters located?

Hill Holliday's main headquarters is located at 2 Drydock Avenue Boston, Massachusetts 02210 United States. The company has employees across 6 continents, including North AmericaEuropeAsia.

What is Hill Holliday's phone number?

You can contact Hill Holliday's main corporate office by phone at

+1-617-366-****

. 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 Hill Holliday's official website and social media links?

Hill Holliday's official website is hhcc.com and has social profiles on LinkedIn.

What is Hill Holliday's SIC code NAICS code?

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

How many employees does Hill Holliday have currently?

As of June 2026, Hill Holliday has approximately 251 employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: M. S.Cfo: K. W.Chief Creative Officer: D. W.. Explore Hill Holliday's employee directory with LeadIQ.

What industry does Hill Holliday belong to?

Hill Holliday operates in the Advertising Services industry.

What technology does Hill Holliday use?

Hill Holliday's tech stack includes Google Ads Conversion TrackingWordPressOpen GraphoEmbedJSON-LDModernizrJavaApache.

What is Hill Holliday's email format?

Hill Holliday's email format typically follows the pattern of First.Last@hhcc.com. Find more Hill Holliday email formats with LeadIQ.

When was Hill Holliday founded?

Hill Holliday was founded in 1968.

Hill Holliday

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

Hill Holliday's official website is hhcc.com. Hill Holliday has social profiles on LinkedIn.

Q: How many employees does Hill Holliday have currently?

Hill Holliday has approximately 251 employees.

Q: What technology does Hill Holliday use?

Hill Holliday's tech stack includes Google Hosted Libraries, Yoast SEO, Chart.js, jQuery Migrate, Adobe Experience Cloud.

Advertising ServicesMassachusetts, United States201-500 Employees

Hill Holliday is an advertising services firm headquartered in Boston, Massachusetts, located at 2 Drydock Avenue, with a workforce of 201 to 500 employees. The agency emphasizes idea-driven work grounded in consumer and cultural insights to move audiences and win in competitive markets. In January 2024, Hill Holliday was acquired from Interpublic by Attivo Group. In July 2024, the Massachusetts Office of Travel and Tourism selected Hill Holliday as its new advertising agency. The company maintains a public presence online at hhcc.com.

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Hill Holliday Tech Stack

Media & News

Hill, Holliday, Connors, Cosmopulos, Inc. signs new client Massachusetts 250.

Attivo Group acquires Hill, Holliday, Connors, Cosmopulos, Inc..

Attivo Group acquired Hill, Holliday, Connors, Cosmopulos, Inc. on Jan 10th '24.

Hill, Holliday, Connors, Cosmopulos, Inc. launches A Hope Story.

Ad Council partners with Hill, Holliday, Connors, Cosmopulos, Inc..

Hill, Holliday, Connors, Cosmopulos, Inc. launched real-time analytics tool that tracks social media campaigns as they are happening, in real-time on Mar 16th '22.

Hill, Holliday, Connors, Cosmopulos, Inc. signs new client EggLife Foods, Inc.