Insights

Innovative Product Range John Guest specializes in high-quality plastic push-fit fittings, valves, pipes, and tubing, with recent product launches like Reliance Valves and SharkBite Air fittings, offering opportunities to upsell or cross-sell to customers seeking reliable and easy-to-install plumbing and pneumatic solutions.

Global Market Presence Their products are used across diverse sectors such as plumbing, water filtration, automotive, and telecoms worldwide, indicating potential for expanding sales channels or entering new vertical markets where durable and innovative fluid transfer solutions are in demand.

Acquisition and Growth As part of Reliance Worldwide Corporation since 2018, John Guest benefits from backing of a major player, opening potential for strategic partnerships, co-branded offerings, and leveraging the parent company's resources to access larger enterprise clients.

Operational Focus on Quality With certifications like ISO 14001 and advanced R&D and testing processes, John Guest appeals to environmentally conscious customers and industries prioritizing quality and sustainability, presenting opportunities to promote eco-friendly product lines.

Market Opportunities With a revenue range of 1 million to 10 million USD and a compact employee base, there is significant potential for sales growth through targeted outreach to OEMs, installers, and industrial buyers seeking innovative and reliable fluid management solutions.

John Guest Tech Stack

John Guest uses 8 technology products and services including Hotjar, ISO 14001, Cloudflare CDN, and more. Explore John Guest's tech stack below.

  • Hotjar
    Analytics
  • ISO 14001
    Certificates
  • Cloudflare CDN
    Content Delivery Network
  • Drupal
    Content Management System
  • Microsoft 365
    Email
  • Google Maps
    Maps
  • Google Analytics
    Web Analytics
  • Nginx
    Web Servers

John Guest's Email Address Formats

John Guest uses at least 1 format(s):
John Guest Email FormatsExamplePercentage
First.Last@johnguest.comJohn.Doe@johnguest.com
90%
FLast@johnguest.comJDoe@johnguest.com
4%
FirstLast@johnguest.comJohnDoe@johnguest.com
5%
First.MiddleLast@johnguest.comJohn.MichaelDoe@johnguest.com
1%

Frequently Asked Questions

Where is John Guest's headquarters located?

Minus sign iconPlus sign icon
John Guest's main headquarters is located at London, England ub7 8jl United Kingdom. The company has employees across 3 continents, including EuropeNorth AmericaAsia.

What is John Guest's official website and social media links?

Minus sign iconPlus sign icon
John Guest's official website is johnguest.com and has social profiles on LinkedIn.

What is John Guest's NAICS code?

Minus sign iconPlus sign icon
John Guest's NAICS code is 3332 - Industrial Machinery Manufacturing.

How many employees does John Guest have currently?

Minus sign iconPlus sign icon
As of May 2026, John Guest has approximately 155 employees across 3 continents, including EuropeNorth AmericaAsia. Key team members include Chief Financial Officer: A. J.Founder: B. R.Director Of Business Development: T. S.. Explore John Guest's employee directory with LeadIQ.

What industry does John Guest belong to?

Minus sign iconPlus sign icon
John Guest operates in the Industrial Machinery Manufacturing industry.

What technology does John Guest use?

Minus sign iconPlus sign icon
John Guest's tech stack includes HotjarISO 14001Cloudflare CDNDrupalMicrosoft 365Google MapsGoogle AnalyticsNginx.

What is John Guest's email format?

Minus sign iconPlus sign icon
John Guest's email format typically follows the pattern of First.Last@johnguest.com. Find more John Guest email formats with LeadIQ.

When was John Guest founded?

Minus sign iconPlus sign icon
John Guest was founded in 1961.

John Guest

Industrial Machinery ManufacturingEngland, United Kingdom51-200 Employees

John Guest is a manufacturer of plastic push-fit fittings, valves, pipes and tubing, and it sits within the Reliance Worldwide Corporation family. Its products are used across sectors including drinks dispense, plumbing and heating, compressed and pneumatic systems, water filtration, telecoms, automotive, and various OEM applications. The company supports durable performance through a development process that emphasizes research and development, product testing, and quality control, complemented by design and technical services for customers.

Based in London, England, the company operates in the industrial machinery manufacturing sector and serves a global market with products in use worldwide. It joined the Reliance Worldwide Corporation family through an acquisition completed in 2018, and has since expanded its offerings with product launches such as Reliance Valves with JG Speedfit connections and SharkBite Air push-fit fittings.

Section iconCompany Overview

Headquarters
London, England ub7 8jl United Kingdom
NAICS Code
3332 - Industrial Machinery Manufacturing
Founded
1961
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    John Guest's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    John Guest's revenue is estimated to be in the range of $1M$10M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.