Insights

Trusted Local Leader Warmseal is the largest home installation products supplier in Newcastle and the North East with over 25 years of experience, high customer satisfaction, and strong word-of-mouth referrals, signaling a reliable base for repeat business and upsell opportunities.

Renewable & EC Tech Operating in renewable energy semiconductor manufacturing, Warmseal sits at the intersection of energy efficiency and advanced materials, suggesting opportunities to cross-sell solar, energy storage, or efficiency upgrades to homeowners and tradespeople.

Strong Referral Engine With over 75% of business from recommendations or returning customers, there is potential to formalize loyalty programs, referral incentives, and bundled installation services to accelerate new customer acquisition while maintaining high retention.

Digital Presence Active online content such as benefits of uPVC windows and a tech stack including HubSpot and analytics tools indicate readiness for lead nurturing, SEO, and targeted campaigns to convert inquiries into sales.

Growth Horizons Moderate revenue range and mid-sized employee base imply room to scale through channel partnerships, expansion into adjacent markets in the UK, or premium home retrofit packages that complement existing product lines.

Similar companies to Warmseal

Warmseal Tech Stack

Warmseal uses 8 technology products and services including Facebook Pixel, Comscore, StackPath, and more. Explore Warmseal's tech stack below.

  • Facebook Pixel
    Analytics
  • Comscore
    Analytics
  • StackPath
    Content Delivery Network
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • Google Maps
    Maps
  • HubSpot
    Marketing Automation
  • Apache HTTP Server
    Web Servers

Warmseal's Email Address Formats

Warmseal uses at least 1 format(s):
Warmseal Email FormatsExamplePercentage
FirstLast@warmseal.co.ukJohnDoe@warmseal.co.uk
100%

Frequently Asked Questions

What is Warmseal's phone number?

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You can contact Warmseal's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

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

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Warmseal's official website is warmseal.co.uk and has social profiles on LinkedIn.

How much revenue does Warmseal generate?

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As of July 2026, Warmseal's annual revenue is estimated to be <$1M.

What is Warmseal's NAICS code?

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Warmseal's NAICS code is 33441 - Semiconductor and Other Electronic Component Manufacturing.

How many employees does Warmseal have currently?

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As of July 2026, Warmseal has approximately 51 employees across 1 continents, including Europe. Key team members include Financial Controller: A. C.Accounts Administrator: C. L. C.. Explore Warmseal's employee directory with LeadIQ.

What industry does Warmseal belong to?

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Warmseal operates in the Renewables & Environment industry.

What technology does Warmseal use?

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Warmseal's tech stack includes Facebook PixelComscoreStackPathGoogle Fonts APIjQueryGoogle MapsHubSpotApache HTTP Server.

What is Warmseal's email format?

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Warmseal's email format typically follows the pattern of FirstLast@warmseal.co.uk. Find more Warmseal email formats with LeadIQ.
Warmseal logo

Warmseal

Renewables & EnvironmentEngland, United Kingdom51-200 Employees

Warmseal is a Newcastle, England-based company operating in the renewable energy semiconductor manufacturing sector. It employs between 51 and 200 people. The company positions itself as the largest supplier of home installation products in Newcastle and the North East, with more than 25 years of industry experience. A substantial share of its business comes from customer recommendations or returning customers, indicating a focus on customer satisfaction. In 2019 Warmseal published an article detailing the top 10 benefits of uPVC windows. The company maintains an online presence at warmseal.co.uk.

Section iconCompany Overview

Phone number
NAICS Code
33441 - Semiconductor and Other Electronic Component Manufacturing
Employees
51-200

Section iconFunding & Financials

  • <$1M

    Warmseal's revenue is estimated to be in the range of <$1M

Section iconFunding & Financials

  • <$1M

    Warmseal's revenue is estimated to be in the range of <$1M

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