Business events in Costa Mesa

Check out happening business events all around Costa Mesa, CA

TinyFest 2026

 Sat, 18 Apr at 10:00 am OC Fair & Event Center USD 23 to 119

Overland Expo SoCal 2026

 Sat, 14 Mar at 09:00 am OC Fair

Amigo SoCal World Guitar Show 2026

 Sat, 24 Jan at 08:00 am 88 Fair Drive, Costa Mesa, CA, United States, California 92626

California Bridal & Wedding Expo

 Sat, 28 Feb at 11:00 am OC Fair & Event Center Free

Orange County Tech & Finance Networking Event

 Wed, 04 Feb at 07:00 pm Mesa USD 16 to 21

Repticon Costa Mesa

 Sat, 21 Feb at 09:00 am OC Fair

EVERYDAY READINESS: A Preventive Measures Workshop - Costa Mesa

 Sat, 11 Apr at 09:00 am Hilton Orange County/Costa Mesa USD 15 to 168

Costa Mesa Entrepreneur Speed Networking Event

 Thu, 22 Jan at 06:00 pm Bar Verde USD 50

Fast-Paced Business Networking for Entrepreneurs

 Thu, 22 Jan at 06:00 pm Bar Verde USD 50

Planet Cyber Sec Conference Hilton Orange County / Costa Mesa Feb 11th 2026

 Wed, 11 Feb at 09:00 am Hilton Orange County/Costa Mesa USD 82

Be Filled Youth Conference

 Fri, 27 Mar at 06:00 pm Vanguard University USD 77 to 98

⚡ SpeedCalifornia Dating | Ages 25–39| Orange County’s Modern Speed Dating

 Sat, 10 Jan at 06:00 pm Mesa USD 37 to 40

AI and Academia 2026: Navigating the Future

 Thu, 19 Mar at 01:00 pm Westin South Coast Plaza USD 495

⚡ SpeedCalifornia Dating | Ages 25–39| Orange County’s Modern Speed Dating

 Sat, 24 Jan at 06:00 pm Mesa USD 37 to 40

14th Annual West Coast ISNA Education Forum

 Fri, 16 Jan at 06:00 am Hilton Orange County/Costa Mesa (3050 Bristol St, Costa Mesa, CA)

Business Speed Networking in South Orange County, CA

 Thu, 22 Jan at 06:00 pm Bar Verde USD 50

⚡ SpeedCalifornia Dating | Ages 24–38| Orange County’s Modern Speed Dating

 Tue, 13 Jan at 07:00 pm Mesa USD 37 to 40

Entrepreneurs Speed Networking Social – Costa Mesa, Orange County

 Thu, 22 Jan at 06:00 pm Bar Verde USD 50

⚡ SpeedCalifornia Dating | Ages 24–38| Orange County’s Modern Speed Dating

 Wed, 28 Jan at 07:00 pm Mesa USD 37 to 40

South Orange County Business Connect & Speed Networking Night

 Thu, 22 Jan at 06:00 pm Bar Verde USD 50

Hot Girls Don’t Girlboss Alone | Career Mixer for Women in OC

 Tue, 03 Feb at 06:00 pm Third Place USD 39

2026! Learn How to Make Money Through Travel ✈️ (No Social Media Needed)

 Sun, 11 Jan at 11:00 am Outpost Kitchen at South Coast USD 23 to 55

Orange County Healthcare Pharma & Business Networking Event

 Wed, 14 Jan at 07:00 pm Mesa USD 16 to 21

Unlock the Secrets to a Healthier You with Wellness Babes

 Tue, 13 Jan at 06:00 pm Mother's Market & Kitchen USD 29

Women Elevating Women: A Day of Health, Wealth and Empowerment

 Sat, 07 Mar at 01:00 pm Norma Hertzog Community Center USD 0 to 109

Mosko Moto @ Overland Expo SoCal

 Sat, 14 Mar at 09:00 am Costa Mesa Fairgrounds

TRP4x4 X OVERLAND EXPO SOCAL

 Sat, 14 Mar at 09:00 am Costa Mesa/Newport

Get PMP Certification to Advance Your Career | Costa Mesa, CA

 Sat, 16 Aug at 09:00 am 3330 Harbor Blvd 2nd floor USD 1,550

Pass PMP® Exam in 5 Weeks | Lowest Price Guaranteed | Costa Mesa, CA

 Sat, 16 Aug at 09:00 am 3330 Harbor Blvd 2nd floor USD 1,550

PMP® Certification Program | Lowest Price Guaranteed | Costa Mesa, CA

 Sat, 16 Aug at 09:00 am 3330 Harbor Blvd 2nd floor USD 1,550

Business Ethics 1 Day Workshop | Costa Mesa, CA

 Thu, 15 Jan at 09:00 am For venue details reach us at [email protected] USD 519 to 1,453

Employee Engagement 1-Day Workshop | Costa Mesa, CA

 Fri, 14 Nov at 09:00 am For venue details reach us at [email protected] USD 519 to 779

Business Analytics Certification (CBAP) Training in Corvallis, OR

 Tue, 25 Nov at 09:00 am 555 Anton Blvd USD 1,493

Business Analytics Certification (CBAP) Training in Costa Mesa, CA

 Sat, 15 Nov at 09:00 am 555 Anton Blvd USD 1,493

PMP Bootcamp Training - Pass PMP Exam in 1st Attempt- Huntington Beach, CA

 Tue, 15 Jul at 09:00 am Regus USD 1,550

Emotional Intelligence 1-Day Workshop | Costa Mesa, CA

 Thu, 13 Nov at 09:00 am For venue details reach us at [email protected] USD 519 to 779

Big Data Overview 1 Day Workshop | Costa Mesa, CA

 Wed, 12 Nov at 09:00 am For venue details reach us at [email protected] USD 519 to 779

Intermediate Public Speaking: 1 Day Session in Costa Mesa, CA

 Mon, 17 Nov at 09:00 am Regus Costa Mesa, CA USD 602 to 706