Engineering Solutions Grounded in Expertise

Geotechnical, General Civil, and Construction material testing & Special inspection Services in Oregon

Orange Icon: medal

 Decades of Experience

With over 35 years in the field, we bring extensive local knowledge to every project.

icon_investigations_orange_thin

Site-specific Recommendations

Your project is unique. We adapt our approach to your site’s unique conditions to deliver the right, reliable and lasting solutions every time.

Orange Icon: time clock

Data-driven Results, On Time

From geotechnical evaluations to construction monitoring, we deliver accurate, site-specific solutions, on schedule and without delays.

Orange Icon: person with stars

Multidisciplinary Expertise

Our team of licensed engineers, professional geologists, and certified technicians, supported by an accredited laboratory, delivers comprehensive geotechnical, geological, geophysical, civil engineering, and construction testing services, all in one place.

Geotechnical Consulting & Engineering Services

Geotechnical Engineering Icon

GEOTECHNICAL ENGINEERING

Worried about geologic hazards and unstable soils?

Our geotechnical and engineering geology experts provide site-specific investigations and designs that protect your project and keep design and construction moving forward with confidence.

CIVIL ENGINEERING

Looking for clear solutions to erosion control and site development challenges?

Our civil engineering services are focused on practical site development needs, including limited topographic surveying, erosion control, grading and drainage plans, and preparation of 1200-C erosion. We deliver clear, compliant designs that keep your project moving forward.

Groundwater icon

ENGINEERING GEOLOGY & GEOPHYSICS

Need to understand subsurface conditions across your site?

Our geophysical services include refraction seismic, multichannel analysis of surface waves (MASW), resistivity tomography, and induced polarization. These methods allow us to collect data across large areas quickly and cost effectively, significantly reducing the number of borings required while providing more complete subsurface information.

Construction icon

CONSTRUCTION & QUALITY CONTROL TESTING

Looking for a reliable testing agency to keep your project compliant?

With our accredited laboratory and on-site inspectors, we provide reliable construction quality control testing that ensures your materials and construction practices meet required standards.

Data-Driven Engineering Services for Your Project’s Needs

Strong foundations start with us.

In Oregon and the surrounding regions, project teams face unique challenges: earthquake hazards, organic and compressible soils, expansive clays, liquefiable soils, steep slopes, and other site-specific conditions.

Our engineers, geologists, scientists, and licensed inspectors specialize in identifying and solving these earth related problems early, before they put your entire project at risk.

With more than 6,500 projects completed across Oregon and the Pacific Northwest, The Galli Group is trusted for delivering data-driven solutions that keep projects moving forward with clarity, confidence, and peace of mind.

Accurate, Efficient Site Evaluations For Better Outcomes

Our licensed team always goes the extra mile. As standard, our process involves thorough site visits, optimized data collection, and detailed analysis to provide you with the most reliable recommendations.

Whether we are solving geotechnical challenges for architects and other engineers, conducting geophysical surveys for subsurface mapping, or providing construction quality control for public, commercial and residential projects, our commitment to excellence and innovation helps you save time, optimize cost, and avoid unnecessary setbacks.

Why Choose The Galli Group

Founded in 1991, The Galli Group has grown into one of Oregon’s most trusted geotechnical engineering firms. From the beginning, we have focused on providing practical, research-based solutions to the unique challenges of construction in the Pacific Northwest.

We bring nearly every capability in-house, and our licensed engineers, certified technicians, ODOT-certified laboratory, and dedicated drilling crew allow us to manage investigations and testing with efficiency and accuracy. We also conduct all of our geophysical surveys in-house, giving our clients comprehensive subsurface data without the delays or added costs of outside providers.

Combined with our strong local partnerships and more than 6,500 completed projects, we deliver unmatched geotechnical expertise, regional knowledge, and full-service capabilities that keep projects moving forward with clarity, confidence, and long-term value.

The Galli Group holds the following accreditations and certifications: AASHTO, ASTM, ATI, ACI, ICC, ODOT & NWETC.

What Our Clients Say

Our geotechnical engineering, geophysics, drilling, laboratory testing, and construction quality control services are trusted by public agencies, architects, developers, homeowners, and businesses across Oregon.

Getting Started With Us Is Easy

A transparent, no-nonsense process for exceptional results, every time.

Icon: drafting page

Step 1

You send the concept

Send us your project’s documents and details.

icon_investigations_thin

Step 2

Receive a tailored proposal

We’ll scope the project and give you a comprehensive proposal.

Icon: studying paper

Step 3

Desk study & site investigation

With the proposal signed, we’ll investigate your site and the project challenges you’re facing.

Icon: results page

Step 4

Preliminary results

We’ll share our preliminary findings and recommendations with your team. Then, we’ll meet with you to discuss them.

Icon: verified checkmark

Step 5

Final Report

You’ll receive a final report that you can use to inform your design decisions and build safely.

Build With Confidence

Whether you’re starting a new project or solving an existing challenge, we’re here to help you move forward with the full support of a multidisciplinary team.