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Veteran-owned executive advisory in Northern Virginia. Apex advises leaders on technology, cybersecurity, ATO and RMF, and operations transformation, and still builds apps and mission websites.
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Hex Code
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RGB
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CMYK
#F2B233
Saffron
242, 178, 51
40, 88, 57
0, 26, 79, 5
#0C0B09
Rangoon Green
12, 11, 9
40, 14, 4
0, 8, 25, 95
#F3EEE4
Dawn Pink
243, 238, 228
40, 38, 92
0, 2, 6, 5
Apex Development Studio LLC is a veteran-owned executive technology advisory and development firm based in Northern Virginia. It helps leaders address technology, cybersecurity and operational challenges through senior-level advice and hands-on delivery. Led by founder and principal Joe McMullin, Apex draws on 22 years of U.S. Army service and two decades in federal and enterprise IT. The firm supports missions involving sensitive data, public trust and field operations, offering cybersecurity leadership, authorization and compliance support, cloud strategy, and large-scale transformation.
Apex guides clients through the Risk Management Framework lifecycle and Authority to Operate processes, including continuous monitoring, annual reviews, POA&Ms and STIG hardening. Its technology services cover AWS GovCloud, Microsoft 365 GCC High, IL4 and IL5 environments, as well as cloud and hybrid modernization. Operations work includes program and portfolio leadership, recovery, and change initiatives for large federal and military teams.
Alongside advisory services, Apex builds native iOS and Android applications and mission-focused websites, applying security-conscious standards to digital products.
Brand industry
Computers Electronics and Technology
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