Insights

Strong Market Presence HSL operates in a sizable revenue range of 1 billion to 10 billion dollars, indicating a well-established company with significant financial capacity for strategic investments and partnership opportunities in public relations and marketing services.

Sector Expertise With proven credentials in motor, finance, and travel sectors, HSL offers targeted marketing and communication solutions, providing an opportunity to tailor services and demonstrate sector-specific expertise to enhance client engagement.

Long-term Client Relationships Over 30 years of operation and high client retention suggest HSL values quality service and long-term partnerships, making them receptive to innovative, high-impact marketing solutions that reinforce client loyalty and industry reputation.

Technology Utilization The company's use of modern digital tools like WordPress, Amazon SES, and Nginx indicates a tech-savvy approach, opening prospects for advanced digital marketing, content management, and data-driven communication solutions.

Potential Growth Areas Given their emphasis on developing and managing integrated marketing campaigns and content, there is an opportunity to introduce new creative and social media strategies, especially leveraging recent trends in digital storytelling and multimedia engagement.

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 FormatsExamplePercentage
First@harrisonsadler.comJohn@harrisonsadler.com
50%
First@harrisonsadler.comJohn@harrisonsadler.com
50%

Frequently Asked Questions

What is HSL's stock symbol?

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

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

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

What is HSL's SIC code NAICS code?

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

How many employees does HSL have currently?

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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?

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HSL operates in the Public Relations and Communications Services industry.

What technology does HSL use?

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

What is HSL's email format?

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

When was HSL founded?

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HSL was founded in 1987.

HSL

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.

Section iconCompany Overview

SIC Code
7375 - Information Retrieval Services
Stock Symbol
HSL.L
NAICS Code
54182 - Public Relations Agencies
Founded
1987
Employees
501-1000

Section iconMedia & News

Section iconFunding & Financials

  • $1B$10B

    HSL's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    HSL's revenue is estimated to be in the range of $1B$10B

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