Top Search Engine Marketing Services in California
-
Featured
What are Featured Providers?
$1,000+$100 - $149 / hr250 - 999Serves CaliforniaServices provided
See all 361 projectsSmartSites is a digital agency specializing in SEO, website development, and search engine marketing to enhance online visibility and website ranking. Across their reviews, 100% of the feedback is positive, with clients frequently praising their professionalism and effective communication. Approximately 55% highlighted improvements in SEO and increased web traffic as key outcomes.
-
$1,000+< $25 / hr1,000 - 9,999San Jose, CA
Services provided
See all 1 projectsLiveHelpIndia provides 24/7 live chat customer support, including voice and text-based virtual assistants, and human agents. Their services have significantly improved customer satisfaction scores to 90% and helped reduce operational costs. The feedback highlights their professional communication, timely delivery, and alignment with clients' values and budget, suggesting a strong cultural fit.
-
$1,000+$50 - $99 / hr50 - 249Palo Alto, CA
Services provided
In Palo Alto, California and Garland, Texas, Stellr IT LLC is a midsize social media marketing firm. The team specializes in Social Media Marketing and Custom Software Development.
Read more
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 California SEM Service Providers
-
$1,000+$100 - $149 / hr50 - 249Costa Mesa, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Search Engine Optimization60% Pay Per Click30% Other -
$10,000+$100 - $149 / hr250 - 999San Diego, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
40% Search Engine Optimization10% Pay Per Click50% Other -
$1,000+$100 - $149 / hr50 - 249Los Angeles, CA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Search Engine Optimization50% Pay Per Click10% Other -
$1,000+$50 - $99 / hr50 - 249Los Angeles, CA
Ability to deliver
38.6/40.020/20 Reviews9/10 Clients & Experience9.6/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$1,000+$100 - $149 / hr10 - 49San Diego, CA
Ability to deliver
37.4/40.017.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
80% Search Engine Optimization10% Pay Per Click10% Other -
$1,000+$100 - $149 / hr50 - 249San Diego, CA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Search Engine Optimization20% Pay Per Click20% Other -
$1,000+Undisclosed50 - 249Los Angeles, CA
Ability to deliver
35.6/40.019.2/20 Reviews9.7/10 Clients & Experience6.7/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$1,000+$100 - $149 / hr50 - 249San Diego, CA
Ability to deliver
34.2/40.016.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
10% Search Engine Optimization90% Pay Per Click -
$1,000+$100 - $149 / hr10 - 49San Francisco, CA
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
35% Search Engine Optimization25% Pay Per Click40% Other -
$1,000+$25 - $49 / hr250 - 999Anaheim, CA
Ability to deliver
34.1/40.017.2/20 Reviews9/10 Clients & Experience7.9/10 Market PresenceService focus
90% Search Engine Optimization10% Pay Per Click -
$5,000+$150 - $199 / hr10 - 49Irvine, CA
Ability to deliver
33.8/40.016.8/20 Reviews8.1/10 Clients & Experience8.8/10 Market PresenceService focus
50% Search Engine Optimization40% Pay Per Click10% Other -
$5,000+Undisclosed50 - 249Los Angeles, CA
Ability to deliver
33.5/40.015.6/20 Reviews8.1/10 Clients & Experience9.8/10 Market PresenceService focus
60% Search Engine Optimization20% Pay Per Click20% Other -
$5,000+$100 - $149 / hr250 - 999San Diego, CA
Ability to deliver
35.8/40.016.4/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
20% Search Engine Optimization20% Pay Per Click60% Other -
$1,000+$100 - $149 / hr10 - 49Carlsbad, CA
Ability to deliver
32/40.016.2/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
80% Search Engine Optimization20% Pay Per Click -
$1,000+Undisclosed50 - 249San Diego, CA
Ability to deliver
31.9/40.016.8/20 Reviews8.3/10 Clients & Experience6.9/10 Market PresenceService focus
60% Search Engine Optimization10% Pay Per Click30% Other -
$5,000+Undisclosed50 - 249Los Angeles, CA
Ability to deliver
31.4/40.016.6/20 Reviews9.1/10 Clients & Experience5.7/10 Market PresenceService focus
72% Search Engine Optimization14% Pay Per Click14% Other -
UndisclosedUndisclosed10 - 49Simi Valley, CA
Ability to deliver
32.1/40.015.8/20 Reviews8.3/10 Clients & Experience8/10 Market PresenceService focus
60% Search Engine Optimization20% Pay Per Click20% Other -
$1,000+Undisclosed10 - 49San Francisco, CA
Ability to deliver
31.8/40.015.8/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
40% Search Engine Optimization40% Pay Per Click20% Other -
$1,000+$50 - $99 / hr10 - 49Los Angeles, CA
Ability to deliver
31.2/40.016.8/20 Reviews8/10 Clients & Experience6.5/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$1,000+$100 - $149 / hr10 - 49Los Angeles, CA
Ability to deliver
33.8/40.016.2/20 Reviews9.6/10 Clients & Experience8/10 Market PresenceService focus
33% Search Engine Optimization33% Pay Per Click34% Other -
$5,000+$100 - $149 / hr10 - 49San Francisco, CA
Ability to deliver
34.9/40.018.4/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
20% Search Engine Optimization40% Pay Per Click40% Other -
$5,000+$100 - $149 / hr10 - 49San Diego, CA
Ability to deliver
31/40.016.2/20 Reviews8/10 Clients & Experience6.8/10 Market PresenceService focus
50% Search Engine Optimization25% Pay Per Click25% Other -
$10,000+$200 - $300 / hr10 - 49San Francisco, CA
Ability to deliver
32/40.017.8/20 Reviews7.1/10 Clients & Experience7.1/10 Market PresenceService focus
30% Search Engine Optimization40% Pay Per Click30% Other -
$10,000+Undisclosed10 - 49Los Angeles, CA
Ability to deliver
31.8/40.016.4/20 Reviews8.6/10 Clients & Experience6.8/10 Market PresenceService focus
40% Search Engine Optimization30% Pay Per Click30% Other -
$1,000+Undisclosed2 - 9Manhattan Beach, CA
Ability to deliver
34.8/40.017/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
30% Search Engine Optimization35% Pay Per Click35% Other -
$5,000+$100 - $149 / hr2 - 9Anaheim, CA
Ability to deliver
32.9/40.016.4/20 Reviews9.7/10 Clients & Experience6.8/10 Market PresenceService focus
45% Search Engine Optimization30% Pay Per Click25% Other -
$5,000+$150 - $199 / hr10 - 49West Hollywood, CA
Ability to deliver
36/40.018/20 Reviews9.8/10 Clients & Experience8.1/10 Market PresenceService focus
25% Search Engine Optimization25% Pay Per Click50% Other -
$250,000+Undisclosed250 - 999El Segundo, CA
Ability to deliver
30.3/40.015.6/20 Reviews8/10 Clients & Experience6.8/10 Market PresenceService focus
15% Search Engine Optimization25% Pay Per Click60% Other -
$5,000+$100 - $149 / hr2 - 9San Diego, CA
Ability to deliver
27.7/40.016.2/20 Reviews4.9/10 Clients & Experience6.5/10 Market PresenceService focus
80% Search Engine Optimization20% Pay Per Click -
$1,000+$50 - $99 / hr250 - 999San Jose, CA
Ability to deliver
27.4/40.016.2/20 Reviews5.2/10 Clients & Experience6/10 Market PresenceService focus
40% Search Engine Optimization30% Pay Per Click30% Other
