![Onyx Advisors Logo - White Horizontal](https://static.wixstatic.com/media/76df58_f6ed8b36e03f4fc48070c72dd66ef7e3~mv2.png/v1/fill/w_142,h_55,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/OA%20-%20White%20Horiz_.png)
![Police Badge_2_Saturated.png](https://static.wixstatic.com/media/76df58_8d9c4d2aded049199435c735b9d3295f~mv2.png/v1/fill/w_49,h_26,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/76df58_8d9c4d2aded049199435c735b9d3295f~mv2.png)
![Onyx Advisors - Color Vert.](https://static.wixstatic.com/media/76df58_f6fec6519b564f6bb3ebd63a16251efb~mv2.png/v1/fill/w_239,h_257,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/OA%20-%20Color%20Vert_.png)
LAW ENFORCEMENT CONSULTANTS
Improving Police Department Performance & Efficiency to Create Safer Communities
EXPERT TESTIMONY
Our law enforcement experts provide analysis and opinions from police practices and use of force to civil rights and criminal defense cases.
LAW ENFORCEMENT STRATEGY
We offer strategic planning services to assist law enforcement agencies in developing and implementing effective strategies to tackle crime and improve community safety.
TRAINING & DEVELOPMENT
We provide training and development programs to enhance the skills and knowledge of law enforcement personnel and improve their ability to serve their communities.
PERFORMANCE MANAGEMENT
We offer performance management services to help law enforcement agencies measure and improve their operational and organizational performance.
TECHNOLOGY & INNOVATION
We provide technology and innovation solutions to help law enforcement agencies leverage the latest advances in technology and stay ahead of emerging threats.
CRISIS MANAGEMENT
We offer crisis management services to help law enforcement agencies prepare for and respond to crises, including natural disasters, terrorist attacks, and other emergencies.
WORKPLACE INVESTIGATIONS
We provide workplace investigation services to help law enforcement agencies solve complex cases and bring criminals to justice.
OUR EXPERTISE
![Police Car_Saturated.png](https://static.wixstatic.com/media/76df58_f3a8504144f04883b4d225e5a53dc891~mv2.png/v1/fill/w_41,h_22,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/76df58_f3a8504144f04883b4d225e5a53dc891~mv2.png)
WHO WE ARE
Onyx Advisors is a team of experienced law enforcement consultants who are dedicated to improving the overall performance and efficiency of police departments to create safer communities. Our experts have extensive experience working with law enforcement agencies at all levels of government, and we are committed to providing high-quality services that are tailored to the unique needs of each client.
Led by 30-year law enforcement veterans, Onyx Advisors know how to improve law enforcement systems to better protect and serve communites across the country.
OUR TEAM
![John McMahon_Headshot.jpeg](https://static.wixstatic.com/media/76df58_c516c144546848919954fc97260f13c2~mv2.jpeg/v1/crop/x_0,y_47,w_828,h_942/fill/w_193,h_220,al_c,q_80,usm_0.66_1.00_0.01,blur_3,enc_auto/John%20McMahon_Headshot.jpeg)
JOHN McMAHON
LAW ENFORCEMENT EXPERT
DEPUTY CHIEF
33-YEAR LAPD VETERAN
213.276.5974
![PastedGraphic-1.png](https://static.wixstatic.com/media/76df58_b7070ea86fe44b1ea7a46b0c41b6dd26~mv2.png/v1/crop/x_0,y_159,w_2048,h_2335/fill/w_193,h_220,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/PastedGraphic-1.png)
ANNALISE SHEARER
LAW ENFORCEMENT EXPERT
SERGEANT
15-YEAR LAPD VETERAN
IN THE NEWS
![Police Meeting_Saturated.png](https://static.wixstatic.com/media/76df58_34c44e13aced408d95b4769ff9122b26~mv2.png/v1/fill/w_49,h_26,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/76df58_34c44e13aced408d95b4769ff9122b26~mv2.png)
CONTACT US
Onyx Advisors
15030 Ventura Boulevard, #11-609
Sherman Oaks, CA 91403