OHM Advisors
- Company typePrivate
- Founded1962
- HeadquartersLivonia, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
OHM Advisors firmographics
Firmographics- Name
- OHM Advisors
- Legal name
- Orchard, Hiltz & McCliment Inc.
- Website
- https://ohm-advisors.com
- Company type
- Private
- Founded year
- 1962
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Ownership category
- akta.pro rank
Where OHM Advisors is headquartered
LocationHeadquarters
- HQ city
- Livonia
- HQ country
- United States
- HQ region
- North America
Offices15 records
Markets served
OHM Advisors business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Architecture Services: Full-service architectural design including buildings, interiors, landscape architecture, and urban design for municipal, educational, commercial, and civic clients.
- Engineering Services: Civil, municipal, transportation, environmental, water resources, mechanical, electrical, plumbing, and construction engineering services for public infrastructure projects.
- Planning Services: Urban and regional planning, community planning, strategic visioning, and economic development consulting for government clients.
- Surveying Services: Land surveying, construction surveying, and specialized survey technologies including mobile LiDAR and SUE (Subsurface Utility Engineering) for infrastructure projects.
Go-to-market motion3 records
Distribution channels3 records
Marketing channels8 records
OHM Advisors product offering
Product offeringCore offering
OHM Advisors is a community advancement firm providing multidisciplinary architecture, engineering, planning, landscape architecture, surveying, and construction engineering services to government, educational, and private-sector clients. Core offerings include municipal and transportation infrastructure design, water and wastewater systems engineering, urban and regional planning, land surveying, MEP engineering, and GIS-based technology solutions for public infrastructure projects.
Product overview
OHM Advisors operates as a community advancement firm offering a unified multidisciplinary platform spanning architecture, engineering (civil, municipal, transportation, water, environmental), landscape architecture, urban design, planning, surveying, and interior design. The portfolio is organized into distinct service areas—Architecture, Construction Engineering, GIS & Innovative Technologies, Landscape Architecture & Urban Design, MEP Engineering, Municipal Engineering, Planning, Surveying, Transportation, and Water—that work collaboratively to deliver integrated solutions. Technology offerings include ArcGIS Enterprise GIS platforms and interactive emergency response dashboards. Recent acquisitions (THY Inc., Griner Engineering, Community Image Builders) have expanded capabilities in surveying, MEP engineering, and community branding respectively.
Differentiator
Problem solved
Functional benefit
Products and services
- Architecture Comprehensive architectural design services for civic, municipal, commercial, and community facilities, delivered as project-based professional services to government, education, and private clients.
- Municipal Engineering Engineering services for municipal clients including roads, water, sewer, sidewalks, stormwater, and community infrastructure projects delivered through government procurement.
- Transportation Engineering Transportation engineering services including roadway design, roundabout design, traffic studies, and complete streets solutions for state DOTs, counties, and municipalities.
- Water Resources Engineering Water resources engineering including drinking water systems, wastewater, stormwater management, and hydraulic modeling for municipal and county clients.
- Planning Urban and community planning services including comprehensive plans, vision plans, corridor studies, and strategic planning for municipalities and regions.
- Landscape Architecture & Urban Design Landscape architecture and urban design services for parks, plazas, streetscapes, and community spaces, including the firm's award-winning work in placemaking.
- Surveying Land surveying services including boundary surveys, construction staking, topographic mapping, mobile LiDAR, and SUE (Subsurface Utility Engineering), expanded through the 2024 acquisition of THY Inc.
- Mechanical, Electrical & Plumbing Engineering (MEP) Mechanical, electrical, and plumbing engineering services serving municipal, educational, commercial, and industrial clients nationwide, added through the 2024 acquisition of Griner Engineering.
- Construction Engineering Engineering services supporting the construction phase of projects including field services, inspection, and construction administration for public infrastructure and building projects.
- GIS & Innovative Technologies Geographic Information Systems and technology solutions including GIS mapping, dashboards, spatial analysis, and infrastructure management tools, supported by the firm's modernized ArcGIS Enterprise 11.5 platform on Microsoft Azure.
Quantifiable outcome
- Roosevelt Park transformed from divided space to 13-acre unified community destination
- +3 more outcomes
Companies that use OHM Advisors
Customer profileNamed customers14 records
Segments5 records
Ideal customer profiles4 records
OHM Advisors technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
Feature4 records
OHM Advisors partnerships and signals
Strategic signalPartnerships
15 partnerships are on record, tiered core and minor.
- Community Image Builders (CIB)coreCommunity planning and development consulting firm based in Fenton, Michigan acquired June 30, 2025. CIB brings over 13 years of experience in planning, housing, and branding solutions for public and private sector clients.
- GEO JobecoreGEO Jobe, an Esri Platinum Partner, partnered with OHM Advisors beginning November 2024 to modernize the firm's ArcGIS Enterprise environment. The migration to ArcGIS Enterprise 11.5 deployed on Microsoft Azure created a scalable, cloud-based platform to improve performance, reliability, and collaboration across the firm's multi-office operations. This partnership reinforced a partner-to-partner relationship built on shared Esri expertise and technical excellence.
- THY Inc.coreMemphis-based land surveying and civil engineering firm acquired by OHM Advisors in late 2024. Founded in 1993, THY provides land surveying, site development, and transportation infrastructure to public and private clients in Tennessee.
- Griner EngineeringcoreSt. Petersburg, Florida-based mechanical, electrical, and plumbing engineering firm acquired by OHM Advisors in late 2024. Founded in 1968, Griner serves municipal, educational, commercial, and industrial clients nationwide.
- Ford Motor CompanycoreFord Motor Company partnered with OHM Advisors on the Roosevelt Park revitalization project adjacent to the Michigan Central Station development. Ford's investment in the Corktown area made the community transformation possible, working with the City of Detroit and other partners.
- Michigan CentralcoreMichigan Central partnered on Roosevelt Park project, which serves as the 'front porch' to Michigan Central Station. The partnership unified two beloved neighborhoods and created a community destination.
- Woods and WattsminorCommunity engagement and design partner for Roosevelt Park project, assisting the City of Detroit in organizing community festivals and gathering public input for the park design.
- EsricoreEsri featured OHM Advisors and client City of Saline on the Esri Water Utilities Industry Blog for GIS implementation. OHM Advisors operates as an Esri partner utilizing ArcGIS Enterprise platform for client projects.
- City of ClevelandcoreCity of Cleveland partnered with OHM Advisors on Vision for the Valley project, working with Cleveland Metroparks, Port of Cleveland, Flats Forward, and NOACA to develop cohesive river corridor plans.
- Cleveland MetroparkscorePartner on Vision for the Valley project to balance river and land uses and outline sustainable growth vision for Cleveland's Cuyahoga River Valley.
- Port of ClevelandcorePartner on Vision for the Valley planning initiative, collaborating on waterfront development and maritime industry considerations.
- Northeast Ohio Areawide Coordinating Agency (NOACA)coreNOACA partnered with OHM Advisors and other agencies on Vision for the Valley project, contributing regional planning coordination.
- Great Lakes Water AuthoritycorePartner on Avon/Dequindre Road Bridge and Roundabout project, requiring installation of 96-inch water transmission main as part of the infrastructure improvements.
- Road Commission for Oakland CountycorePrimary government client and partner on Avon/Dequindre Road Bridge and Roundabout project, working collaboratively on public works improvements.
- Microsoft AzurecoreCloud infrastructure platform hosting OHM Advisors' modernized ArcGIS Enterprise environment, enabling scalable cloud-based GIS operations across multiple offices.
Scale indicators10 records
Recent moves7 records
Expansion highlights6 records
OHM Advisors competitors and assessment
Company assessmentDirect peers
- RS&H: National architecture, engineering, and consulting firm specializing in transportation, aviation, and infrastructure — directly comparable as a multidisciplinary A&E firm serving state DOTs and government clients.
- Spicer Group: Michigan-based engineering, surveying, and planning firm serving municipalities, counties, and MDOT — closely comparable in service portfolio (civil, water, transportation, surveying) and public-sector orientation.
- Mead & Hunt: National architecture, engineering, and planning firm with strong transportation, water, and government infrastructure practices — comparable mid-size multidisciplinary A&E peer with similar public-sector orientation.
- Hubbell, Roth & Clark: Michigan-headquartered consulting engineering firm providing water, wastewater, transportation, and municipal infrastructure services to government clients — comparable size and client profile to OHM Advisors.
- Wade Trim: Michigan-based engineering, planning, and architecture firm serving municipal, state, and private clients — directly comparable in service breadth and government infrastructure focus, with similar multi-state footprint.
- Mannik Smith Group: Michigan-headquartered multidisciplinary civil engineering, environmental, and surveying firm serving municipal, industrial, and private clients — the closest Midwest comparable to OHM Advisors in size, service mix, and government client base.
- Fishbeck: Michigan-based engineering, architecture, environmental, and construction management firm with comparable size, multidisciplinary service offerings, and a strong government client base in the Midwest.
- Fleis & VandenBrink: Michigan-based full-service engineering, architectural, and surveying firm with similar municipal/government client focus across the Midwest; competes head-to-head with OHM on water, wastewater, and infrastructure projects.
Broad incumbents
- Stantec: Global engineering, architecture, and environmental consulting firm with deep U.S. infrastructure practice — a broad incumbent that overlaps with OHM's water, transportation, community development, and planning services.
- Kimley-Horn: One of the largest privately held U.S. planning, engineering, and design firms with broad national reach across transportation, water, and land development — competes with OHM on large state DOT and municipal engagements.
Market position
Strengths4 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
OHM Advisors social profiles
Digital presenceOHM Advisors financial estimates
Financial estimateRevenue estimate
Valuation estimate
OHM Advisors leadership team
Management profileNumber of profiles
Profiles15 records
OHM Advisors subsidiaries and ownership
Company hierarchySubsidiaries3 records
OHM Advisors funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OHM Advisors M&A and investment
M&A and investmentM&A2 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about OHM Advisors
What does OHM Advisors do?
OHM Advisors is a community advancement firm providing multidisciplinary architecture, engineering, planning, landscape architecture, surveying, and construction engineering services to government, educational, and private-sector clients. Core offerings include municipal and transportation infrastructure design, water and wastewater systems engineering, urban and regional planning, land surveying, MEP engineering, and GIS-based technology solutions for public infrastructure projects.
Is OHM Advisors a public or private company?
OHM Advisors is a private company. It is classified as management employee owned and is currently operating.
When was OHM Advisors founded?
OHM Advisors was founded in 1962. It employs 501 to 1,000 people.
Where is OHM Advisors based?
OHM Advisors is headquartered in Livonia, United States, in the North America region.
How does OHM Advisors make money?
Four revenue lines are on record. Architecture Services are the primary driver. The others are engineering Services, planning Services and surveying Services.
Who are OHM Advisors's main competitors?
Direct peers on record are RS&H, Spicer Group, Mead & Hunt, Hubbell, Roth & Clark, Wade Trim, Mannik Smith Group, Fishbeck and Fleis & VandenBrink. Broad incumbents are Stantec and Kimley-Horn.
Does OHM Advisors have an API?
No public API is recorded for OHM Advisors.