Insights

Gathering insights about HSL…

Similar companies to HSL

HSL Tech Stack

HSL uses 8 technology products and services including RSS, WordPress, oEmbed, and more. Explore HSL's tech stack below.

RSS
Content Management System
WordPress
Content Management System
oEmbed
Dev Tools
Amazon Simple Email Service
Email
Google Fonts API
Font Scripts
jQuery
Javascript Libraries
WP Engine
Platform As A Service
Nginx
Web Servers

Media & News

HSL's Email Address Formats

HSL uses at least 1 format(s):

HSL Email Formats	Example	Percentage
First@harrisonsadler.com	John@harrisonsadler.com	50%
First@harrisonsadler.com	John@harrisonsadler.com	50%

Frequently Asked Questions

What is HSL's stock symbol?

HSL is a publicly traded company; the company's stock symbol is HSL.L.

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

HSL's official website is harrisonsadler.com and has social profiles on LinkedIn.

What is HSL's SIC code NAICS code?

HSL's SIC code is 7375 - Information Retrieval Services NAICS code is 54182 - Public Relations Agencies.

How many employees does HSL have currently?

As of December 2025, HSL has approximately 653 employees across 6 continents, including EuropeAsiaSouth America. Key team members include CEO: Z. K.President: S. H.Owner: F. K.. Explore HSL's employee directory with LeadIQ.

What industry does HSL belong to?

HSL operates in the Public Relations and Communications Services industry.

What technology does HSL use?

HSL's tech stack includes RSSWordPressoEmbedAmazon Simple Email ServiceGoogle Fonts APIjQueryWP EngineNginx.

What is HSL's email format?

HSL's email format typically follows the pattern of First@harrisonsadler.com. Find more HSL email formats with LeadIQ.

When was HSL founded?

HSL was founded in 1987.

HSL

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

HSL's official website is harrisonsadler.com. HSL has social profiles on LinkedIn.

Q: How many employees does HSL have currently?

HSL has approximately 653 employees.

Q: What technology does HSL use?

HSL's tech stack includes Slider Revolution, Amazon Simple Email Service, jQuery, jQuery Migrate, MySQL.

Public Relations and Communications ServicesEngland, United Kingdom501-1000 Employees

HSL is a hard-working and creative PR and marketing communications agency.   

With sound credentials in the motor, finance and travel sectors, we develop and manage on-going marketing communications programmes as well as short term projects.  

At HSL, we excel in positioning our Clients as thought leaders, finding the opportunities and driving the activity, leveraging our skills in building strong media relationships.  We pride ourselves on the quality of the copy we develop - always engaging, timely and relevant - whether it's a response on social media, a news story or an Award entry.

Over 30 years in operation, our industry leading client retention says everything abut the standard of service we deliver.