Top SEO Companies in California
15 Leaders 15 Contenders
2,922 Companies
List of the Top California SEO Agencies
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$1,000+$100 - $149 / hr250 - 999Serves CaliforniaServices provided
50% Search Engine Optimization30% Pay Per Click10% Advertising +1 service10% Social Media MarketingSee all 362 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.
Reviews mention Patient
The sentiment regarding SmartSites' patience is notably positive across client reviews. Clients frequently commend the team's attentiveness and willingness to guide them through complex processes. One client highlighted their Project Manager's 'attentive, patient, and very personable' nature, while another noted their 'patience in helping us on projects with which we have no previous experience.' Overall, the feedback reflects a strong appreciation for SmartSites' patient approach in fostering effective collaboration.-
E-Commerce Dev for Truck & Electric Equipment Retailer
5.0 Mar 10, 2023Their patience in helping us on projects with which we have no previous experience.
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PPC Services for Cleaning Business
5.0 Jul 9, 2022Haadi from Smart Sites is very responsive, helpful, patient, and offers great suggestions!
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SEO & PPC for Manufacturing Company
5.0 Jun 8, 2022Luna is smooth like butter! she is very knowledgeable, patient and very good at her job!
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Website Development for E-Commerce Startup
5.0 Oct 27, 2021Our project manager has been phenomenal. She's very patient and responsive, and she jumps on calls whenever I ask her to.
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SEO, PPC, & Web Development for Live Screen Printing Company
5.0 Oct 13, 2021The whole team is extremely talented, thorough and patient with the process. Kudos to Matthew, Irina and Joel for being my new heroes.
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122 of 138 Search Engine Optimization reviews are 5 stars6 new reviews for Search Engine Optimization in past 6 months$50,000 – $199,999 avg. project costRead 138 ReviewsSearch Engine Optimization PROJECT HIGHLIGHT
SEO & Web Dev for Hospitality & Architectural Design Firm
5.0 — SmartSites provides SEO and web development services for a hospitality and architectural design firm. The team is also responsible for competitor research, keyword strategy, and technical auditing. Read moreWas this helpful?
Industry Experience
SmartSites has received positive feedback across various industries, particularly in Legal, eCommerce, Automotive, and Retail. Clients commend their expertise in SEO and PPC, with measurable outcomes including increased traffic, higher conversion rates, and improved ROI. In the Legal sector, firms benefited from enhanced lead generation, while eCommerce clients noted substantial sales growth. Overall, SmartSites is recognized for their responsive communication, collaborative approach, and ability to tailor strategies to specific business needs, making them a strong fit for clients in these sectors.
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Advertising & marketing Food & Beverage Arts, entertainment & music Manufacturing Construction HVAC Consumer products & services Software Medical Home Services Insurance Energy & natural resources Consulting Legal Other industries Design Roofing Agriculture Food & Beverages Chemicals & Biotechnology Legal Cannabis Media Transportation Human Resources Telecommunications Nonprofit Consumer Products Automotive eCommerce Beauty & Cosmetics Real estate Education Business services Other Industry Beauty Contracting Wellness & Fitness Hospitality & leisure Financial services IT Services Information technology Healthcare Retail DentalWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
SmartSites is frequently recognized for delivering excellent value for money, with clients expressing satisfaction regarding pricing relative to the quality of services provided. Many reviews highlight that SmartSites' pricing fits within clients' budgets while still offering high-quality outcomes. Notable feedback includes instances where clients achieved significant improvements in ROI and lead generation, such as a law firm that saw a substantial increase in qualified leads thanks to effective PPC management. Overall, the sentiment around cost and value is overwhelmingly positive, with clients appreciating both responsiveness and the effectiveness of their campaigns.Was this helpful?
$1,000+$50 - $99 / hr50 - 249Serves CaliforniaServices provided
100% Search Engine OptimizationSee all 88 projectsLoopex Digital is an SEO agency specializing in enhancing digital visibility through comprehensive search optimization services, including link building, keyword management, and content creation. Reviews indicate that 100% of clients are satisfied with their proactive project management and consistent on-time delivery. Approximately 80% of reviewers emphasize the agency's effectiveness in improving website SEO services and organic search optimization, leading to significant increases in online visibility and domain authority.
Reviews mention Creative
Clients frequently commend Loopex Digital for their exceptional creativity in developing effective SEO and digital PR strategies. One client noted their 'creative strategies' and 'attention to detail,' while another highlighted their 'unique and custom images/illustrations' for content. The overall sentiment reflects a strong appreciation for the team's innovative approach, with clients expressing satisfaction in the impactful results achieved and the seamless collaboration throughout the projects.-
SEO for Learning Platform
5.0 Nov 8, 2021The meetings were about generating new strategies and assessing the success of the ongoing strategies. Their attention to detail, philosophy of quality over quantity, creative strategies, and consistency are impressive.
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SEO & Content Writing Services for Business Consulting Co
5.0 Dec 10, 2024The team is extremely talented and effective, showcasing exceptional expertise in their field. Their ability to deliver impactful results quickly while maintaining a high level of professionalism and attention to detail was truly impressive. Their strategic approach, combined with their creativity and responsiveness, set them apart as a standout company to work with.
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SEO for Children's Sock Company
5.0 May 16, 2024They are very well organized. They're one of the most creative agencies I've worked with especially when it comes to strategies to secure backlinks and PR.
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10 of 10 reviews are 5 stars10 new reviews for Search Engine Optimization servicesLess than $10,000 avg. project costRead 8 Recent ReviewsReviewed 10 times in the past 6 months
In the past six months, Loopex Digital has received overwhelmingly positive feedback from clients, highlighting their effective SEO strategies and proactive project management. Clients reported significant improvements in organic traffic, keyword rankings, and domain authority. One client noted a 400% increase in impressions and a 500% rise in clicks, while another experienced a 15-fold growth in non-branded organic traffic. Overall, clients commend Loopex for their responsiveness, timely delivery, and ability to exceed expectations, with no notable areas for improvement mentioned.Was this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Loopex Digital has received positive feedback regarding their cost-effectiveness and value for money. Clients consistently highlight that their pricing aligns well with budgets while delivering high-quality results. For instance, one client noted that they chose Loopex due to their "good value for cost," and another mentioned a "significant increase in organic traffic" after engaging their services. Overall, the sentiment is favorable, emphasizing that clients perceive strong returns on their investment.Was this helpful?
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$1,000+$50 - $99 / hr50 - 249Serves CaliforniaServices provided
75% Search Engine Optimization10% Content Marketing10% Web Design +1 service5% Conversion OptimizationSee all 52 projectsBoostability is an SEO agency that focuses on enhancing online visibility and improving website ranking through organic search optimization and SERP optimization. Reviews indicate that around 90% of clients have seen increased website rankings and organic traffic. Clients appreciate Boostability's professionalism and flexible pricing structure, though some desire more transparency in backlink strategies.
Reviews mention Great team
Clients have consistently praised Boostability's team for their professionalism and effectiveness. One client noted that the team simplifies the process, allowing them to focus on their business while Boostability manages SEO and web development. The collaborative approach and regular updates provided by the team have also been highlighted, showcasing their commitment to client success. Overall, the sentiment regarding the team is highly positive, reflecting strong client satisfaction and trust.-
Web Dev & SEO for Yard Care Company
5.0 May 25, 2018They make things simple for me, allowing me to concentrate on my business while they take care of SEO and web development. They’re a great team.
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Industry Experience
Boostability has garnered positive feedback across various industries, particularly in Advertising & Marketing, Legal, Education, and Manufacturing. Clients highlight their strengths in SEO services, effective project management, and responsive communication. The sentiment is overwhelmingly positive, with many praising Boostability's ability to improve online visibility and drive organic traffic. Industries like Manufacturing and Education show strong satisfaction with results, suggesting that Boostability is an excellent fit for clients seeking enhanced digital marketing in competitive markets.
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Legal Construction Healthcare Education Pharmaceuticals Hospitality & leisure Arts, entertainment & music Financial services Retail Telecommunications Software Nonprofit Transportation Other Industry IT Services Utilities Real estate Manufacturing Advertising & marketing Consumer Products AutomotiveWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback regarding Boostability's cost and value for money is generally positive. Many clients appreciate the flexibility in pricing, with one noting, "the pricing structure really sets them apart from other SEO companies who want a big lump sum up front." However, there are concerns about the transparency of deliverables, particularly in achieving promised backlinks. Overall, clients feel they receive good value, citing improved search rankings and increased traffic as significant benefits from their investment.Was this helpful?
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$1,000+$150 - $199 / hr10 - 49Serves CaliforniaServices provided
100% Search Engine OptimizationSee all 113 projectsOutpace SEO is a proficient SEO agency specializing in enhancing online visibility through comprehensive search optimization services. Receiving overwhelmingly positive feedback, with approximately 100% of reviewers highlighting their effective project management and responsiveness, Outpace SEO is praised for improving website ranking and organic search optimization. Clients appreciate their strategic, transparent approach, which consistently delivers tangible improvements in digital visibility enhancement.
Reviews mention Passionate about their work
Clients consistently highlight Outpace SEO's passion for their work, noting the team's deep knowledge and commitment to client goals. One client specifically commended the team's ability to clearly explain strategies, reinforcing confidence in their approach. Overall, the sentiment reflects a strong appreciation for their enthusiasm and dedication, with no significant areas for improvement mentioned, indicating a positive and collaborative partnership.-
SEO & PPC Services for Painting Contractor
5.0 Dec 17, 2025What impressed us most was how tuned in they are to their work. The team is clearly passionate, highly educated, and very knowledgeable in their field. They did an excellent job explaining their strategy in a clear and understandable way, which gave us confidence in their approach and made it easy to see how their efforts aligned with our goals.
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15 of 15 reviews are 5 stars14 new reviews for Search Engine Optimization services$10,000 – $49,000 avg. project costRead 15 Recent ReviewsReviewed 15 times in the past 6 months
In the past six months, client feedback for Outpace SEO has been overwhelmingly positive. Clients praised their responsiveness, effective communication, and tailored strategies that led to significant improvements in organic traffic and search rankings. For instance, one client noted a 15-30% increase in keyword rankings and improved website performance. Another highlighted their ability to adapt quickly to business needs. Overall, clients expressed high satisfaction with project management and the transparency of their processes, indicating a strong fit for diverse SEO projects.Was this helpful?
92 of 92 Search Engine Optimization reviews are 5 stars14 new reviews for Search Engine Optimization in past 6 months$50,000 – $199,999 avg. project costRead 92 ReviewsSearch Engine Optimization PROJECT HIGHLIGHT
SEO & E-Commerce Development for Clothing Brand
5.0 — Outpace SEO provided SEO services for a clothing company. The team conducted technical site reviews, performed keyword research, optimized product and category pages, and provided content Read moreWas this helpful?
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UndisclosedUndisclosed250 - 999San Francisco, CA
Services provided
20% Search Engine Optimization20% Application Testing20% Conversion Optimization +4 services10% AI Development10% E-Commerce Development10% Email Marketing10% UX/UI DesignAB Tasty is a midsize Conversion Optimization company. Founded in 2009, the team offers Conversion Optimization and Search Engine Optimization.
Read moreSee All Locations (2)San Francisco, CA
535 Mission Street
San Francisco, CA 941051
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Undisclosed$50 - $99 / hr10 - 49Los Angeles, CA
Services provided
10% Search Engine Optimization50% IT Managed Services10% BI & Big Data Consulting & SI +4 services10% Cloud Consulting & SI10% Cybersecurity5% IT Strategy Consulting5% Marketing StrategySee all 6 projectsLos Angeles IT offers services in automation, business integrations, and artificial intelligence, particularly excelling in managed IT services. Reviews highlight their effective communication, adherence to deadlines, and transparent processes, ensuring client comprehension and satisfaction. Clients appreciate their reliability, geographic proximity, and alignment with client values, contributing to a positive overall experience.
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We evaluate service providers using a structured methodology that combines:
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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.
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Rollover to see company insights or click a company below for more details.
A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Top 15 California SEO Agencies
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$1,000+$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 Optimization60% Other -
$50,000+$300+ / hr50 - 249San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
75% Search Engine Optimization25% 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 Optimization30% 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 Optimization20% Other -
$1,000+$150 - $199 / hr2 - 9Anaheim, CA
Ability to deliver
37.4/40.017.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Search Engine Optimization -
$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 Optimization40% 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 Optimization60% 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 Optimization30% Other -
$1,000+$50 - $99 / hr50 - 249Glendale, CA
Ability to deliver
34.8/40.020/20 Reviews7/10 Clients & Experience7.7/10 Market PresenceService focus
100% Search Engine Optimization -
$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% Other -
$5,000+$200 - $300 / hr10 - 49La Mirada, CA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Search Engine Optimization40% 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 Optimization40% Other -
$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 Optimization65% 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% Other -
$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 Optimization40% 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 Optimization28% 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 Optimization30% 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 Optimization40% Other -
$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 Optimization50% Other -
$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 Optimization90% 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 Optimization80% Other -
$10,000+$150 - $199 / hr50 - 249Carlsbad, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Search Engine Optimization90% Other -
$5,000+$100 - $149 / hr10 - 49Encinitas, CA
Ability to deliver
38.2/40.020/20 Reviews9.4/10 Clients & Experience8.8/10 Market PresenceService focus
20% Search Engine Optimization80% Other -
$1,000+$100 - $149 / hr10 - 49Los Angeles, CA
Ability to deliver
29.5/40.016.2/20 Reviews8/10 Clients & Experience5.3/10 Market PresenceService focus
70% Search Engine Optimization30% Other -
Undisclosed$100 - $149 / hr10 - 49Westlake Village, CA
Ability to deliver
34.2/40.016.4/20 Reviews8.5/10 Clients & Experience9.3/10 Market PresenceService focus
40% Search Engine Optimization60% Other -
$1,000+$50 - $99 / hr10 - 49San Diego, CA
Ability to deliver
39.2/40.020/20 Reviews9.7/10 Clients & Experience9.5/10 Market PresenceService focus
10% Search Engine Optimization90% Other -
$10,000+$100 - $149 / hr10 - 49Sacramento, CA
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Search Engine Optimization90% Other -
$5,000+Undisclosed2 - 9Manhattan Beach, CA
Ability to deliver
30.5/40.016.6/20 Reviews9.3/10 Clients & Experience4.6/10 Market PresenceService focus
70% Search Engine Optimization30% Other -
$5,000+$100 - $149 / hr10 - 49San Francisco, CA
Ability to deliver
37/40.017/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Search Engine Optimization80% Other -
$5,000+$200 - $300 / hr10 - 49Monrovia, CA
Ability to deliver
35.3/40.018.8/20 Reviews9.1/10 Clients & Experience7.4/10 Market PresenceService focus
30% Search Engine Optimization70% Other
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