WASHINGTON--(BUSINESS WIRE)--Arlington Capital Partners (“Arlington Capital” or “Arlington”), a Washington, DC-based private equity firm, today announced its investment in Octo Consulting Group, Inc. (“Octo” or “the Company”). Octo has more than 13 years of experience developing mission-critical solutions for the Federal Government across healthcare, national security, civilian and defense agencies. Octo’s specialized solutions for Agile software development, UI/UX, cloud, infrastructure, block.