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50+ Years
experience
Engineering & Surveying Services in Missoula, MT
Professional Consultants has been delivering engineering, surveying, and planning services throughout Western Montana for over 30 years. Established in 1975 through the merger of five regional firms, we became the first full-service provider in western Montana. Our team of 25 professionals includes 5 Licensed Engineers, 3 Professional Land Surveyors, and 3 Land-Use Planners who maintain the highest industry standards. We combine technical expertise with personalized service, serving both public and private clients across diverse sectors. Our commitment to professional licensure ensures every project receives expert oversight. We prioritize client collaboration, demonstrated through long-term relationships with entities like the town of Stevensville.

Our staff's dedication to quality is evident in projects ranging from municipal infrastructure to environmental surveys in national parks. We maintain offices in Missoula and Hamilton to better serve communities from Seeley Lake to the Tobacco Valley. Our LEED-certified engineer and GIS specialists support sustainable, data-driven solutions. Client testimonials highlight our grant-writing expertise, attention to detail, and ability to exceed project expectations. We remain family-oriented in culture while continuously adapting to industry advancements and client needs.
Services
Civil Engineering Land Surveying Land-Use Planning Municipal Improvements GIS Mapping Water Systems Environmental Consulting Construction Management Boundary Surveys Grant Assistance
Details
  • Year established: 1975
Highlights and features
  • We have 45+ years of continuous service in Western Montana since 1975
  • Our staff includes 5 Professional Engineers and 3 Licensed Surveyors
  • We maintain the highest client retention through personalized service
  • Our LEED-certified engineer supports sustainable design solutions
  • We provide complete project lifecycle management from planning to execution
What people say
High level of customer service Knowledgeable of grant procedures Continually supported our efforts Exceeded expectations Awareness in sensitive areas
Services
Civil Engineering
Our civil engineering team specializes in municipal infrastructure and private development projects. We provide comprehensive solutions for water systems, wastewater facilities, and transportation networks. With decades of experience in Montana's unique terrain, we deliver code-compliant designs that balance functionality with environmental considerations while maintaining strict budget controls.
Land Surveying
We conduct precise boundary, topographic, and construction surveys using advanced GPS technology. Our surveyors have completed sensitive projects in national parks while maintaining environmental integrity. Services include ALTA surveys, encroachment analysis, and aerial mapping for both public infrastructure and private land development projects.
Land-Use Planning
Our certified planners assist with subdivision design, zoning variances, and permit acquisition. We help clients navigate complex regulatory requirements while optimizing land development potential. Services include feasibility studies, master planning, and grant application support for municipal improvement projects across Western Montana.
Municipal Improvements
We partner with local governments on water system upgrades, road improvements, and public facility construction. Our team has managed multi-million-dollar projects like Stevensville's water infrastructure modernization. Services include grant writing, construction administration, and compliance with state and federal regulations for public infrastructure development.
Environmental Consulting
Our environmental specialists provide water quality analysis, floodplain modeling, and conservation planning. We help clients meet regulatory requirements while protecting natural resources. Services include groundwater investigations, septic system design, and environmental impact assessments for both public and private sector projects in sensitive ecological areas.
People
Andy Mefford
Principal Engineer
Licensed Professional Engineer with extensive experience in Montana infrastructure projects. Specializes in municipal improvements and water system design while maintaining active involvement in professional engineering associations.
John E. Kellogg
Principal Planner
Certified land-use planner focusing on subdivision design and regulatory compliance. Brings decades of experience in Montana zoning regulations and sustainable development practices to client projects.
Toby Dumont
Principal Surveyor
Professional Land Surveyor managing complex boundary and topographic surveys. Recognized for expertise in sensitive environmental surveys conducted in national parks and protected areas across Montana.
Questions
What engineering services do you offer?
We provide civil engineering services including water systems, wastewater facilities, road improvements, and municipal infrastructure design for public and private clients.
Do you work on environmental projects?
Yes, we conduct environmental assessments, water quality analysis, and floodplain modeling while maintaining compliance with ecological protection standards in sensitive areas.
How long have you served Western Montana?
We've provided engineering and surveying services throughout Western Montana since our founding in 1975 through the merger of five established firms.
Can you assist with grant-funded projects?
Yes, we help clients secure funding through grant writing services and have successfully supported multiple municipal improvement projects with federal and state grants.
What surveying technologies do you use?
We employ GPS, aerial mapping, and traditional survey methods for boundary, topographic, and construction layout projects across diverse terrain.