Brands
Geo-Logic is a thriving multidisciplinary firm—we’re growing to deliver collaborative, client-focused solutions.
House of Brands
GLA is an independent firm unified with wholly owned subsidiaries (brands) aligned with our values and approach. Strategically growing as a team of technical experts, our complementary services can support diverse markets.
Direct Access to Broad Expertise
Clients benefit from GLA’s in-house experts who are complemented by specialized talent across all GLA brands and geographies, working together seamlessly as one team.
Visit Our Brands’ Pages
Hear From Brand Leaders
For more than 35 years, our clients and employees have relied on GLA’s consistent growth to support their long-term success with confidence.
200
ENR Top Env. Firms
1
Collaborative Team
7
GLA Brands
$100m
Revenue in 2025
Brands FAQ
Between organic growth and acquisitions, GLA has grown from a staff of 20 in 3 offices in 1991 to a team of 400 in 31 offices in 2025. Acquisitions include: Constant & Dickey, Inc. (2001), Pacific Geotechnical Engineering (2010), Kunkel Engineering Group (2010), RMC Geoscience, Inc. dba Geo-Logic Associates, Inc. (2014), Applied Soil Water Technologies (2014), Daniel B. Stephens & Associates, Inc. (2015), Clear Creek Associates, LLC (2016), Geo-Logic Peru, SRL (2017), The MINES Group, Inc. (2021), Summit Water Resources, LLC (2022), Loughlin Water Associates (2025), RGH Consultants (2025), John Shomaker & Associates, Inc. (2025).
Resources. Human power; broad range of technical expertise, including niche expertise and boots on the ground. Geographic expanse: broad coverage across the US and in Peru. Diverse markets and services; a wide array of capabilities and project work to sustain us when times are tough. Operational support; centralized Accounting, Marketing, and IT support, with common systems and processes for efficiency.
Our approach to M&As is to partner with firms that are performing well and keeping clients happy. GLA encourages operational independence, so successful companies stay that way. New brands can leverage additional corporate resources, and keep their employees happy doing what they do well.
Yes. Clients and employees can work seamlessly across brands with access to corporate resources, specialized technical expertise, and broad geographic coverage.
We partner with firms that offer specialty services that are compatible with our existing services, or in geographies that provide more coverage, or in markets where we can provide additional technical support. Due to most brands’ specializations, it has been beneficial for them to retain their names, branding, and leadership, for continuity that their clients know and trust.
