We imagine. We design. We build.
But most importantly, we improve.
We collaborate with clients large and small who have the same kinds of dreams and needs.



GBA provides innovative engineering and architectural solutions for high-profile projects. GBA and its subsidiaries, GBA Builders, LLC, GBA Systems Integrators, LLC, Infrastructure Solutions, LLC, ViroCon, Inc., Alynix, LLC and Compli, LLC serve primary markets including transportation, water environment, building design, site development, commissioning, systems integration and construction management.

GBA and its subsidiaries employ a staff of 400+ headquartered in Lenexa, Kansas, and with regional offices in Missouri, Colorado, Nebraska, Iowa, Texas and Illinois. Members of GBA’s multi-disciplined staff work closely with clients to accomplish the firm’s core purpose – “creating remarkable solutions for a higher quality of life.”


Core Values

  • Committed to the highest standards of fairness and integrity.
  • Dedicated to providing innovative and quality services.
  • Be honest in our business practices.
  • Provide exceptional service to our clients, profession, and community.
  • Foster a learning environment.
  • Promote compassion and teamwork with clients and employees.


More than just a job

Our people are committed to our core purpose of creating remarkable solutions for a higher quality of life. Joining our team means you’ll have rewarding opportunities that challenge and inspire you. We recognize that job satisfaction goes beyond the office, which is why GBA provides a variety of opportunities to build relationships internally, ranging from community service projects to happy hours.

Start your career here

Looking for an internship that gives you an opportunity to put your knowledge to the test? By interning at GBA, you’ll experience projects from inception to completion while working alongside industry experts. Unlike internships where you’re tied to your desk, GBA will enrich your experience with lunch and learns, field work, and networking opportunities. Interns also play on athletic teams, volunteer together in the community, and attend events like happy hours and barbecues.