Insights

Global Leading John Guest is a world-leading manufacturer of plastic push-fit fittings, valves, pipes and tubing, serving multiple high-volume sectors such as drinks dispense, plumbing and heating, and compressed air. This indicates strong cross-sector demand for high-quality, reliable plastic fittings and related components.

Acquisition Backing As part of the Reliance Worldwide Corporation family, John Guest benefits from an established parent company with broader distribution channels and financial backing, suggesting potential for expanded product rollouts, co-branded campaigns, and access to larger OEM opportunities.

Aggressive Innovation The company emphasizes innovative design, R&D, and rigorous testing, signaling a receptive stance to new materials, compatibility improvements, and value-added fittings that could reduce installation time for commercial plumbing, HVAC, and telecom applications.

Digital Footprint Active use of marketing tech (SOLIDWORKS, Drupal/WordPress, Pardot, Mautic, tracking tags) along with social advertising suggests readiness for targeted digital campaigns, content-driven lead generation, and product-specific landing pages for specifiers and buyers.

Revenue Signals Reported revenue range ($1M-$10M) and recent product launches (Reliance valves, SharkBite Air fittings) imply growing demand and potential upsell opportunities in plumbing/heating, compressed air, and OEM supply chains for mid-market clients seeking scalable, reliable fittings.

Similar companies to John Guest

John Guest Tech Stack

John Guest uses 8 technology products and services including Twitter Ads, Linkedin Insight Tag, SOLIDWORKS, and more. Explore John Guest's tech stack below.

John Guest's Email Address Formats

John Guest uses at least 4 email formats:
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 August 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 August 2026, John Guest has approximately 154 employees across 4 continents, including Europe, North America and Asia. Key team members include Chief Financial Officer: A. J., Director Of Business Development: T. S. and 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 Twitter Ads, Linkedin Insight Tag, SOLIDWORKS, Drupal, WordPress, Hyperion, Pardot and Mautic.

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

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