R&B Keystone Inc. logo (white)
Get a Free Quote

Test hi

● Cambridge, Ontario · Construction & Contracting

Building strong foundations. Delivering lasting results.

Concrete pouring & finishing, formwork, landscaping, hardscaping, general construction and subcontracting — for homeowners, builders, developers and commercial clients.
Get a Free Quote
Our Services
Free Estimate

Planning a project?

Tell us about your project and our team will review your inquiry.

+1 (226) 966-0098

Call us directly

  • Concrete specialists
  • Residential & commercial
  • Reliable subcontracting
  • Based in Cambridge, ON
Concrete ✦ Formwork ✦ Landscaping ✦ Hardscaping ✦ General Contracting ✦ Subcontracting
// About us

R&B Keystone Inc. is a construction and contracting company based in Cambridge, Ontario — committed to professional workmanship, safety and reliable results on every job site.

Placeholder – 4:3 · 1200×900

Serving Kitchener, Waterloo, Cambridge, Brantford, Hamilton and surrounding communities, we provide construction solutions for homeowners, builders, developers and commercial clients.

Whether you need a complete construction project managed or dependable subcontracting and labour support, we’re committed to delivering professional workmanship and reliable results.

  • Quality workmanship
  • Workplace safety
  • Reliability
  • Clear communication
More About Us
// Our services

Construction services, built to last.

All Services

Concrete Pouring & Finishing

Service 01

Concrete Pouring & Finishing

Slabs, driveways, walkways and foundations — placed, levelled and finished for residential and commercial projects.
Read More

Concrete Formwork

Service 02

Concrete Formwork

Foundation and slab formwork, installation and removal for accurate, organized concrete construction.
Read More

Landscaping

Service 03

Landscaping

Landscape preparation, grading, soil and gravel installation, garden beds and property cleanup.
Read More

Hardscaping

Service 04

Hardscaping

Walkways, patios, paver installation, stonework and exterior property improvements.
Read More

General Construction

Service 05

General Construction

Residential construction, commercial support, general contracting and project coordination.
Read More

Labour & Subcontracting

Service 06

Labour & Subcontracting

Concrete crews, formwork assistance, material handling and site support for builders and GCs.
Read More

Excavation & Site Prep

Service 07

Excavation & Site Prep

Site clearing, ground preparation, trenching, grading, backfilling and material handling.
Read More
// Not sure what you need?

Tell us about your project.

We’ll review your requirements and recommend the right service.
Get a Free Quote
// Why choose R&B Keystone Inc.

Built on quality, reliability & professionalism.

Concrete Construction Expertise

A strong focus on concrete pouring, finishing, and formwork.

Residential & Commercial

Flexible construction solutions for projects of different sizes and requirements.

Reliable Subcontracting

Dependable construction support for builders, developers, and general contractors.

Placeholder – Portrait · 900×1200

Locally Based

Headquartered in Cambridge, Ontario, serving surrounding Southern Ontario communities.

Quality-Focused Approach

Attention to detail, professional workmanship, and responsible construction practices.

Customer Commitment

We value communication, accountability, and lasting business relationships.

// Who we work with

Partners in every build.

From single homeowners to general contractors and developers — dependable construction support for projects of every size.
Placeholder – 4:3 · 1200×900
01

Homeowners

Concrete driveways, walkways, landscaping, hardscaping and home improvement projects.
Placeholder – 4:3 · 1200×900
02

General Contractors

Subcontracting, concrete work, formwork and labour support to execute your projects.
Placeholder – 4:3 · 1200×900
03

Builders & Developers

Dependable construction services for residential and commercial developments.
Placeholder – 4:3 · 1200×900
04

Commercial Owners

Practical construction and exterior improvements tailored to commercial properties.
// Selected work

Our work in action.

View All Projects
Placeholder – Landscape · 1600×900
  • Landscaping & Hardscaping
  • Hamilton, ON

Residential Retaining Wall & Sod Landscaping

Placeholder – 4:3 · 1200×900
Residential Landscaping · KWC

Townhouse Development – Sod Installation & Landscaping

Placeholder – 4:3 · 1200×900
Concrete Work

Backyard Concrete Slab – Bridge Surround

// Service areas

Proudly serving Southern Ontario.

Based in Cambridge, Ontario, serving clients throughout:
  • Cambridge
  • Kitchener
  • Waterloo
  • Brantford
  • Hamilton
  • Surrounding communities
Discuss Your Project
// Request a free quote

Let’s build your next project together.

Get a Free Quote
+1 (226) 966-0098