What GBA (George Butler Associates) does

GBA (George Butler Associates) is an employee-owned, multi-discipline Architecture, Engineering, and Construction (AEC) firm founded in 1969 and headquartered in Lenexa, Kansas, that delivers integrated design-build and EPC services across federal, industrial, life sciences, mission critical, municipal, site development, transportation, and water environment markets. The company operates through a corporate parent (GBA Companies, Inc.) and a network of wholly-owned affiliates — GBA Builders (construction), GBA Facility Services (maintenance and operations), Compli (commissioning, qualification, and validation), I-Solutions (infrastructure design-build), and ViroCon (mechanical building systems) — that together provide single-source delivery from concept through completion. Technical capabilities span BIM, mobile LiDAR, UAV/drone surveying, 3D scanning, PCSWMM hydraulic modeling, and ESRI GIS-integrated asset management.

Name

GBA (George Butler Associates)

Legal name

GBA Companies, Inc.

Website

https://gbateam.com

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

251–500 employees

Short description

GBA is an employee-owned AEC firm founded in 1969 and headquartered in Lenexa, Kansas, delivering integrated architecture, engineering, and construction services across federal, industrial, life sciences, mission critical, municipal, transportation, and water environment markets through 15 offices and five affiliates.

Ownership category

akta.pro rank

Headquarters

HQ city

Lenexa

HQ country

United States

HQ region

North America

Offices13 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Engineering and Architecture Design Services: GBA provides architectural and engineering design services including civil, structural, mechanical, electrical, process, and site development engineering. Services span from conceptual design through construction documents for projects across all served markets.
2. Construction and Project Delivery: GBA Builders provides general contracting and construction management services including design-build, CMAR, IPD, and EPC delivery methods for new construction and renovation projects in federal, industrial, life sciences, mission critical, and municipal markets.
3. Commissioning and Validation Services: Through affiliates Compli and ViroCon, GBA provides commissioning, qualification, and validation (CQV) services for life sciences facilities and building systems commissioning for mission critical environments.
4. Surveying and Inspection Services: GBA offers comprehensive land surveying services including ALTA/NSPS, boundary, topographic, construction staking, and specialized services including underwater inspections, bridge inspections, and LiDAR mapping.

Go-to-market motion3 records

Distribution channels3 records

Marketing channels6 records

Core offering

GBA provides integrated architectural, engineering, and construction (AEC) services delivered through affiliated companies to public and private sector clients. The firm serves eight primary markets — Federal, Industrial, Life Sciences, Mission Critical, Municipal, Site Development, Transportation, and Water Environment — from offices across the United States, with headquarters in Lenexa, Kansas, and a history dating back to 1969.

Product overview

GBA (George Butler Associates) is a single-source AEC (Architecture, Engineering, Construction) firm offering integrated services through its team of companies. The portfolio includes the core George Butler Associates brand providing architectural, engineering, and construction services, supplemented by five affiliate companies: GBA Builders (general contractor), GBA Facility Services (specialty subcontractor), Compli (commissioning/validation for life sciences), I-Solutions (design-build for infrastructure), and ViroCon (mechanical building systems). The company serves eight primary markets: Federal, Industrial, Life Sciences, Mission Critical, Municipal, Site Development, Transportation, and Water Environment, offering specialized services including architecture, building commissioning, building codes, construction management, engineering, fire protection, GIS, inspection, landscape architecture, planning and studies, surveying, and data center solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Federal Engineering & Architecture Services

Quantifiable outcome

• GBA has completed 2,000+ projects across the United States since 1969
• +2 more outcomes

Named customers13 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

13 partnerships are on record, tiered core and major.

• DAX Contracting Solutions & GBA Builders Joint VenturecoreStrategic or Co-development PartnerDAX/GBA Builders Joint Venture is a CVE-verified Service Disabled Veteran Owned Small Business (SDVOSB) and SBA Approved Mentor Protégé participant providing general contracting and construction management services for federal projects.
• PMP Construction & GBA Builders Joint VenturecoreStrategic or Co-development PartnerPMP/GBA Builders Joint Venture is a general construction firm and SBA Mentor-Protégé Program (MPP) participant providing project management, quality control, estimating, scheduling, project administration and safety compliance for federal clients.
• ComplicoreStrategic or Co-development PartnerCompli provides commissioning, qualification, validation (CQV) and regulatory compliance services to the life sciences industry, serving pharmaceutical, biotech and medical device companies across the U.S. as a GBA affiliate company.
• GBA BuilderscoreStrategic or Co-development PartnerGBA Builders is dedicated to building critical environments common in pharmaceutical, biotech, mission-critical, healthcare, industrial, federal and other regulated or complex industries as a GBA affiliate company.
• GBA Facility ServicescoreStrategic or Co-development PartnerGBA Facility Services is a self-performing single-source specialty subcontractor for clients in critical and technically demanding environments with licensed construction managers and technicians specializing in maintenance and operations as a GBA affiliate.
• I-SolutionscoreStrategic or Co-development PartnerI-Solutions provides general contracting and design-build services to the infrastructure market with experience working around challenging existing conditions such as traffic, wetlands, underground utilities and above-ground infrastructure as a GBA affiliate.
• ViroConcoreStrategic or Co-development PartnerViroCon provides qualified engineers and technicians using a hands-on approach to analyze, diagnose and solve problems ensuring mechanical building systems work as a GBA affiliate.
• US Army Corps of EngineersmajorOthersFederal agency providing construction and engineering projects for military installations that GBA Builder's federal team serves through new construction, renovations and upgrades.
• US Air ForcemajorOthersFederal military branch receiving federal construction services including B-21 facility renovation at Ellsworth AFB and other air force base projects.
• Veterans AffairsmajorOthersFederal agency receiving construction and renovation services for VA hospitals and community living centers.
• General Services AdministrationmajorOthersFederal agency providing federal building projects and procurement services.
• US Department of AgriculturemajorOthersFederal agency receiving federal construction and engineering services.
• US NavymajorOthersFederal military branch receiving construction services for naval installations.

Scale indicators10 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• WSP USA: Large global professional services consultancy providing engineering, planning, and environmental services across transportation, water, buildings, and federal — comparable to GBA's broad vertical coverage but at materially larger scale.
• Stantec: Global engineering, architecture, and environmental services firm with a substantial U.S. presence across water, infrastructure, and buildings — comparable to GBA across multiple served markets at a larger scale.
• Olsson: Employee-owned engineering and design firm headquartered in Lincoln, Nebraska, serving utilities, infrastructure, and private development clients across the Midwest — directly comparable in scale, geography, and ownership model to GBA.
• Black & Veatch: Overland Park, Kansas-based global engineering, procurement, and construction firm focused on water, energy, and telecommunications infrastructure — comparable to GBA's Water Environment, Federal, and Mission Critical verticals.
• Terracon Consultants: Lenexa, Kansas-headquartered employee-owned engineering consulting firm serving environmental, facilities, and infrastructure markets — a geographically co-located peer overlapping with GBA's industrial and municipal segments.
• Kimley-Horn: Employee-owned planning and engineering design firm serving transportation, land development, and environmental markets across the U.S. — comparable in ownership model and many of the same transportation/site development verticals as GBA.
• Affiliated Engineers (AEI): Specialized MEP engineering and commissioning firm serving life sciences, mission critical, and industrial markets — closely aligned with GBA's engineering and ViroCon affiliate capabilities.
• Burns & McDonnell: Kansas City-headquartered employee-owned AEC firm serving federal, industrial, environmental, and energy clients with integrated engineering, construction, and consulting services — closely comparable in geography, ownership model, and service mix to GBA.
• HDR, Inc. Employee-owned architecture, engineering, and consulting firm headquartered in Omaha — comparable in scale, ownership structure, and diversified market mix (transportation, water, federal) to GBA.
• Jacobs Solutions: Global professional services firm delivering engineering, technical, scientific, and consulting solutions across critical infrastructure, water, and advanced facilities — directly comparable to GBA's Mission Critical, Federal, and Water Environment practices.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/gbateam
• LinkedInlinkedin.com/company/133810

Revenue estimate

Valuation estimate

Number of profiles

Profiles16 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GBA (George Butler Associates)