As many customers look to modernize aging applications, Phacil is bridging the transformation from legacy to new application solutions. With a team of the brightest and best minds, we bridge the gap between technology and user and provide solutions that will endure as technology advances and hardware requirements change.


Ever-present and persistently advancing, cyber criminals, terrorists, and spies constantly attempt to secretly infiltrate Federal information systems. Phacil’s Cyber Warriors design, develop, and deploy defense-in-depth strategies for our customers to actively deter and defend against these threats to national security.



Behind the scenes, the unsung heroes of our Systems Engineering, Integration and Operations (SEI&O) support services maintain high availability and performance of the critical infrastructures Federal agencies rely on.  Trust Phacil for all your System Engineering, Integration and Operations needs. 



Phacil, Veritone and Darklight, have come together to make Artificial Intelligence (AI) work for you. Unlock the power of cognitive computing with the world’s first operating system for AI, transforming and analyzing audio, video, and other data sources in an automated manner to generate actionable insights. Phacil, Veritone & Darklight, the perfect alliance.


Federal agencies rely on critical, demanding applications to serve the public. High availability, security, and performance at lower costs are driving many towards cloud computing. Phacil has partnered with Amazon Web Services (AWS) and Microsoft Azure to host federal government applications & infrastructure.



Phacil’s (patent pending) solution to securely & reliably deliver Big Data mission intelligence where you need it most? Ask us about Corbomite, the future in mission critical, network capable, but not network dependent Big Data delivery. Corbomite is a unique solution, offered exclusively by Phacil with AWS technologies at its core.


Diversity & Inclusion

Phacil cultivates a culture that is both diverse and inclusive. It is a fundamental principle at Phacil and an integral part of our every day operations

What employees are saying about Phacil
Our Contract Vehicles
Phacil's Quality Certifications

Small Business Partnering & Teaming Program

Never forgetting our roots as a small business, Phacil is committed to working collaboratively with small enterprises to help them grow and bring important contributions to the customers and the industry.

Partnerships You Can Rely On

Latest News

John Wilcox Joins By Light Leadership Team

JOHN WILCOX JOINS BY LIGHT LEADERSHIP TEAM (Arlington, VA, May 20, 2019) By Light Professional IT Services LLC (By Light) today announced that Mr. John Wilcox has joined the firm as Vice President of Strategic Initiatives. Mr. Wilcox was most recently the Chief Information Officer/J6 for the US Special Operations

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By Light acquires Metova Federal, leader in Cyber Training Services

By Light acquires Metova Federal, leader in Cyber Training Services ARLINGTON, Va., May 16, 2019 /PRNewswire/ — By Light Professional IT Services LLC (“By Light “) today announced the acquisition of Metova Federal, LLC, a leading cyber range and cyber training services provider to the US Government. With the addition of

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By Light Acquires Phacil, Significantly Expanding Core IT Capabilities

By Light Acquires Phacil, Significantly Expanding Core IT Capabilities ARLINGTON, Va., March 25, 2019 /PRNewswire/ — By Light Professional IT Services LLC (“By Light” or “the Company”) today announced the acquisition of Phacil, Inc., a diversified software, cybersecurity, systems engineering and managed services provider to the US Government. Financial terms

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Phacil Announces New Tag-line and New Branding Efforts for 2019

Phacil Announces new tag-line and new branding efforts for 2019 McLean, VA – Phacil – an Employee-Owned company and leading provider of mission-focused Managed IT Services, Cybersecurity, Systems Engineering, Integration and Operations, Software Services, Cloud Services, and Artificial Intelligence Solutions – announced today that it is modifying the company’s tagline

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Phacil, Inc. Wins DISA (DRSN) Contract

Phacil, Inc. Wins DISA (DRSN) Contract McLean, Virginia, November 15, 2018 – Phacil, Inc. an employee-owned leading provider of mission-focused technology solutions & services for the Federal Government is pleased to announce it has been awarded the –Defense Red Switch Network (DRSN) Task Order on the DISA ENCORE III vehicle.

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Phacil, LLC
8484 Westpark Drive, Suite 600
Mc Lean, VA 22102
Phone: +1 (703) 526-1800
General Email: