George J. Keller & Sons

What George J. Keller & Sons does

George J. Keller & Sons, LLC is a second-generation, family-owned exterior home renovation contractor headquartered in Flanders, New Jersey. Founded in 1980 by George ("Pops") Keller as a small roofing operation, the company is now owned by Dan Keller, the founder's youngest son, and serves residential homeowners across Northern and Central New Jersey. The company provides installation and replacement services across five core lines: roofing (asphalt shingle, metal, repairs, inspections, maintenance), siding (vinyl, fiber cement, wood), windows and doors, seamless gutters, and residential solar.

The company operates as a certified installation partner for the major North American building product manufacturers. It is a GAF MasterElite contractor and the only GAF Three-Star President's Club Roofing Contractor in Northern New Jersey, a James Hardie Elite Preferred Contractor for fiber cement siding, an Andersen Certified Contractor for windows, and a CertainTeed 5-Star siding installer. These certifications enable access to manufacturer-backed warranties and underpin a positioning around premium materials and installation quality.

Revenue is generated almost entirely through one-time project fees for residential jobs, priced via on-site consultations. The go-to-market motion is direct-to-consumer, supported by a seven-person project consultant sales team conducting in-home estimates, an inside sales office, and a self-serve online booking channel. The company offers financing through Service Finance Company, LLC to enable larger projects. Marketing is conducted through a company website, blog, Facebook, Instagram, and YouTube, plus community engagement partnerships. Operations are supported by dedicated roofing and siding division managers, onsite project managers per job, and factory-trained installation crews.

Name

George J. Keller & Sons

Legal name

George J. Keller & Sons, LLC

Website

https://gjkeller.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

George J. Keller & Sons is a family-owned exterior renovation contractor serving residential homeowners in Northern and Central New Jersey since 1980. The company provides roofing, siding, windows, gutters, and solar installation using premium materials from certified manufacturer partners.

Ownership category

akta.pro rank

Product category

Home Exterior Renovation Services

NAICS

Roofing Contractors (23816), Residential Remodelers (236118)

SIC

Construction - Special Trade Contractors (1700), General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Whole-Home Exterior Renovation (Envelope & Curb Appeal) (HSAPAEAD)

akta.pro secondary industries

Storm & Hail Exterior Restoration (Roof/Siding/Gutters) (HSAPAKAM), Custom Window & Door Fabrication & Replacement (HSAPAJAI)

Keywords

• Home exterior renovation
• Residential roofing services
• Siding installation
• Window replacement
• Solar installation

Headquarters

HQ city

Flanders

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales

Revenue model

1. Roofing Services: Roof replacement, repair, and maintenance services for residential properties. Includes asphalt shingle, metal roofing, and flat roof systems. Revenue is generated through one-time project fees based on scope of work.
2. Siding Installation: Installation of vinyl, fiber cement (James Hardie), and other siding materials. Revenue generated per project based on square footage and materials selected.
3. Windows and Doors: Window and entry door replacement services using Andersen, Viwinco, and Simonton products. Project-based revenue.
4. Gutter Services: Seamless gutter installation and maintenance services. One-time project revenue.
5. Solar Installation: Solar panel installation services. Revenue generated per project.
6. Financing Services: The company partners with Service Finance Company to offer financing options to customers, enabling larger projects through installment payments.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

George J. Keller & Sons is a family-owned home exterior renovation contractor that installs and replaces residential roofing, siding, windows, gutters, and solar energy systems for homeowners in Northern New Jersey. The company delivers full-service exterior remodeling with manufacturer-certified installation crews and warranty-backed products.

Product overview

George J. Keller & Sons is a family-owned home exterior renovation contractor serving Northern New Jersey since 1980. The company offers a unified set of installation services focused on four core areas: Roofing (roof replacement, metal roofing, repairs, inspections, and maintenance), Siding (fiber cement siding from James Hardie, vinyl siding, wood siding), Windows (replacement and new construction windows), and Gutters (seamless gutter installation). The company is GAF Master Elite and James Hardie Elite Preferred certified, and offers financing options through Service Finance Company to help customers manage project costs.

Differentiator

Problem solved

Functional benefit

Products and services

• Residential Roofing Installation and Replacement Full-service residential roofing installation, replacement, and repair for homeowners in Northern New Jersey, performed by GAF MasterElite certified contractors with manufacturer-backed warranty eligibility.
• Residential Siding Installation Installation and replacement of residential siding, including James Hardie fiber cement siding, delivered by James Hardie Elite Preferred contractors for Northern New Jersey homeowners.
• Window and Door Replacement Replacement of residential windows and doors performed by Andersen Certified installers, targeted at homeowners seeking improved energy efficiency, aesthetics, or replacement of failed units.
• Gutter Installation and Replacement Residential gutter system installation, replacement, and related drainage solutions for homeowners in Northern New Jersey, often bundled with roofing and siding projects.
• Residential Solar Installation Design and installation of rooftop solar energy systems for residential homeowners in Northern New Jersey seeking to reduce electricity costs and adopt renewable energy.

Quantifiable outcome

• Potential savings of $300/month on electricity with new solar panel installation plus $400/month in SREC rebates

Named customers10 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered core and minor.

• GAFcoreTechnology or Integration · 1 January 1980Long-standing partnership with GAF, North America's largest roofing and waterproofing manufacturer (Standard Industries). George J. Keller & Sons is the only GAF Three-Star President's Club Roofing Contractor in Northern New Jersey. The company is a GAF MasterElite certified contractor, a distinction held by only 3% of roofing companies in the US.
• James HardiecoreTechnology or IntegrationElite Preferred Contractor for James Hardie fiber cement siding. The company has been partners with James Hardie for over 10 years and was elevated to Elite Preferred status in 2020. They install HardiePanel, HardiePlank, and HardieShingle siding products.
• CertainTeedcoreTechnology or IntegrationCertified as a CertainTeed 5-Star contractor and installer of CertainTeed siding products including CedarBoard insulated siding and Monogram vinyl siding.
• Andersen WindowscoreTechnology or IntegrationAndersen Certified Contractor since 2022. The company has been affiliated with Andersen for over 25 years and has installed hundreds of Andersen windows and doors.
• Das' CreameryminorGTM or Marketing PartnerCommunity collaboration to create the 'Keller Rooftop Crumble' ice cream flavor. A marketing and community engagement partnership showcasing local business collaboration.

Scale indicators6 records

Recent moves6 records

Expansion highlights3 records

Direct peers

• Leaf Home: National home exterior solutions company offering roofing, siding, windows, and gutter protection with a direct-sales motion. Comparable in product breadth and homeowner-targeted go-to-market, though Leaf Home operates with significantly larger capitalization.
• Window Nation: Mid-Atlantic and Midwest replacement window, siding, and roofing contractor with a similar direct-to-consumer model. Particularly comparable given regional overlap and premium manufacturer partnerships (e.g., Andersen).
• Erie Home: Midwest and Mid-Atlantic home exterior contractor offering roofing, siding, and windows with a direct-to-consumer sales motion. Closely aligned in product offering and customer profile to GJK's whole-home exterior renovation focus.
• Power Home Remodeling: Large national exterior home remodeler offering roofing, siding, and windows with a direct-to-consumer model. Closely comparable to GJK in service mix and customer segment, but operating at materially greater scale across multiple states.
• Long Home Products: Mid-Atlantic home improvement company specializing in roofing, siding, windows, and baths with a direct-sales model. Comparable service mix, customer segment, and regional footprint to GJK in the NJ/PA/MD corridor.

Broad incumbents

• GAF: North America's largest roofing manufacturer (Standard Industries) and GJK's anchor partner through the MasterElite / Three-Star President's Club programs. Functions as a category-defining incumbent whose certification tiers grant GJK premium market access.
• Pella Corporation: Major national window and door manufacturer offering certified-contractor programs and competing indirectly as a broader incumbent in residential exterior renovations. Comparable as a brand partner and adjacent competitor to GJK's window division.
• Andersen Windows: Leading North American window and door manufacturer with which GJK holds a certified-contractor relationship. Acts as both an enabling partner (supplying premium products) and a broader market incumbent shaping buyer expectations in replacement windows.
• Roofing Corp of America: National residential roofing consolidator operating multiple regional brands across the US. Comparable at the roofing-services level and a relevant industry-shaping incumbent whose scale and capital base contrast with GJK's family-run model.

Regional players

• Bone Dry Roofing: Multi-state regional roofing contractor operating across the Midwest and Southeast with comparable residential roofing, repair, and inspection services. Comparable at the service-line level but operating in non-overlapping geographies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@georgejkellerandsons
• Facebookfacebook.com/KellerAndSons
• Instagraminstagram.com/gjkroofing
• Xx.com/gjksons
• LinkedInlinkedin.com/company/george-j-keller-sons

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about George J. Keller & Sons