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

California Bridal & Wedding Expo

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

S4 Honchoâ„¢ at Overland Expo SoCal

 Sat, 14 Mar at 09:00 am 88 Fair Dr, Costa Mesa, CA 92626

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

 Sat, 21 Feb at 06:00 pm Mesa USD 37 to 40

Repticon Costa Mesa

 Sat, 21 Feb at 09:00 am OC Fair

Orange County Tech & Finance Networking Event

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

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

EVERYDAY READINESS: A Preventive Measures Workshop - Costa Mesa

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

AI and Academia 2026: Navigating the Future

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

Be Filled Youth Conference

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

Mosko Moto @ Overland Expo SoCal

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

Sunset Business Social & Open House

 Fri, 27 Feb at 05:30 pm 3200 Park Center Dr 14th floor

WellCo Health and Wellness Practitioner Networking Event

 Mon, 02 Mar at 06:00 pm Flora Fauna Wellness USD 49

OC — Value Creation Matrix

 Thu, 19 Feb at 09:00 am 3200 Park Center Dr Free

Wellness Professionals Networking Meet (Connect, Collab, & Refer)

 Thu, 12 Feb at 06:30 pm Rooted Pilates USD 25

World Bromeliad Conference 2026

 Tue, 14 Apr at 06:00 pm Hilton Orange County/Costa Mesa (3050 Bristol St, Costa Mesa, CA)

Wellness Professionals Networking Meet (Connect, Collab, & Refer)

 Thu, 12 Mar at 06:30 pm TBD USD 25

Orange County Healthcare Pharma & Business Networking Event

 Wed, 11 Feb at 07:00 pm Mesa USD 16 to 21

GALACTIC CHANNELING LIVE

 Sat, 07 Mar at 06:00 pm Behind the Lids Healing Collective Free

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

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

OC Fatherhood Coalition Conference

 Tue, 07 Apr at 09:00 am Orange County Department of Education, Conference Center Free

Deep Dive Workshop to Build Success for Female Business Owners

 Sun, 08 Feb at 11:00 am Costa Mesa Marriott USD 599

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

TRP4x4 X OVERLAND EXPO SOCAL

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

Wellness Professionals Networking Meet Up (Connect, Collab, & Refer)

 Thu, 09 Apr at 06:30 pm TBD USD 25

Social Media at Work 1 Day Workshop |Costa Mesa, CA

 Fri, 13 Feb at 09:00 am For venue details reach us at [email protected] USD 519 to 1,453

RMA OC 2026 Lunch and Learn

 Thu, 19 Feb at 11:30 am Comerica Bank USD 22

Business Networking 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 Etiquette 1 Day Workshop |Costa Mesa, CA

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

Managing a Virtual Team 1 Day Workshop | Costa Mesa, CA

 Fri, 12 Dec at 09:00 am For venue details reach us at [email protected] USD 519 to 830

Marketing Essentials 1 Day Workshop |Costa Mesa, CA

 Fri, 12 Dec at 09:00 am For venue details reach us at [email protected] USD 519 to 830

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

Building High Performing Teams 1 Day Workshop | Costa Mesa, CA

 Fri, 21 Nov at 09:00 am For venue details reach us at [email protected] USD 519 to 779

World Bromeliad Conference

 Tue, 14 Apr at 08:00 am Hilton Hotel Costa Mesa

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

Leading Effective Teams 1 Day Workshop |Costa Mesa, CA

 Fri, 19 Dec at 09:00 am For venue details reach us at [email protected] USD 519 to 830

VENDORS NEEDED FOR NEW TALK SHOW!

 Thu, 21 Aug at 07:00 pm Costa Mesa,California 92626 USD 29

Recruitment Skills 1 Day Workshop | Costa Mesa, CA

 Thu, 20 Nov at 09:00 am For venue details reach us at [email protected] USD 519 to 779

Business Case Writing 1 Day Workshop | Costa Mesa, CA

 Thu, 20 Nov at 09:00 am For venue details reach us at [email protected] USD 519 to 779

Rogue Justice: The Case Against Judicial Activism

 Sun, 12 Apr at 04:00 am Avenue of the Arts Costa Mesa, a Tribute Portfolio Hotel Free

Business Analytics Certification (CBAP) Training in Huntington Beach, CA

 Tue, 09 Dec at 09:00 am 3330 Harbor Blvd USD 1,493

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

Personal Branding 1 Day Workshop | Costa Mesa, CA

 Fri, 19 Dec at 09:00 am For venue details reach us at [email protected] USD 519 to 1,453

Proposal Writing Skills 1 Day Workshop |Costa Mesa, CA

 Fri, 19 Dec at 09:00 am For venue details reach us at [email protected] USD 519 to 1,453

Power BI for Business Users 1 Day Workshop | Costa Mesa, CA

 Fri, 12 Dec at 09:00 am For venue details reach us at [email protected] USD 519 to 830

Self-Care Sundays—EmpowHER Walks

 Sun, 16 Nov at 08:30 am Fairview Park USD 18

Crisis Management 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

Artificial Intelligence & Automation 1 Day Workshop |Costa Mesa, CA

 Fri, 16 Jan at 09:00 am For venue details reach us at [email protected] USD 519 to 1,453

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

Business Analytics Certification (CBAP) Training in Fountain Valley, CA

 Tue, 25 Nov at 09:00 am 3330 Harbor Blvd USD 1,493