Insights

Industry Leader John Guest is a world-leading manufacturer of plastic push-fit fittings, valves, pipes and tubing with a diverse global footprint across drinks dispense, plumbing, home heating, compressed air, water filtration, telecoms, automotive and OEM sectors, indicating multiple cross-sell opportunities across industrial customers.

Growth & Acquisition As part of the Reliance Worldwide Corporation (RWC) family since 2018, John Guest has access to broader distribution networks, capital, and strategic resources, enabling upsell of value-added solutions and bundled product offerings to existing and new customers.

Product Innovation The company emphasizes innovative design, R&D, and rigorous testing, suggesting a strong opportunity to position value-led solutions for customers seeking reliability, efficiency, and time-saving installation in plumbing, HVAC, and industrial systems.

Recent Expansions History of introducing new valve ranges and push-fit fittings, including Reliance valves and SharkBite Air fittings, signals a propensity for expanding product lines to address faster installation and compatibility needs, ideal for sales pitches focused on system modernization and cost-of-ownership reductions.

Digital & Global Reach Digital presence and tech stack involving WordPress, Pardot, Cloudflare, and global testing/quality emphasis indicate capability for digital marketing alignment, e-commerce enablement, and targeted outbound campaigns to key segments such as industrial plumbing, diagnostics, and OEMs.

John Guest Tech Stack

John Guest uses 8 technology products and services including Cloudflare Web Optimizations, gstatic.com, Cloudflare CDN, and more. Explore John Guest's tech stack below.

  • Cloudflare Web Optimizations
    Analytics
  • gstatic.com
    Content Delivery Network
  • Cloudflare CDN
    Content Delivery Network
  • WordPress
    Content Management System
  • Microsoft 365
    Email
  • Pardot
    Marketing
  • Cloudflare Insights
    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

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

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

How much revenue does John Guest generate?

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As of July 2026, John Guest's annual revenue is estimated to be $1M - $10M.

What is John Guest's NAICS code?

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John Guest's NAICS code is 3332 - Industrial Machinery Manufacturing.

How many employees does John Guest have currently?

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As of July 2026, John Guest has approximately 155 employees across 3 continents, including EuropeNorth AmericaAsia. Key team members include Chief Financial Officer: A. J.Director Of Business Development: T. S.Director Of Quality: T. F.. Explore John Guest's employee directory with LeadIQ.

What industry does John Guest belong to?

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John Guest operates in the Industrial Machinery Manufacturing industry.

What technology does John Guest use?

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John Guest's tech stack includes Cloudflare Web Optimizationsgstatic.comCloudflare CDNWordPressMicrosoft 365PardotCloudflare InsightsNginx.

What is John Guest's email format?

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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?

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John Guest was founded in 1961.
John Guest logo

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

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

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