NUOPTIMA > Insights > Leading SEO Companies in California to Elevate Your Business

Leading SEO Companies in California to Elevate Your Business

February 28, 2023 1 minute

In the digital age, having a strong online presence is essential for businesses of all sizes. To help you find the right partner to boost your search engine rankings, we’ve compiled a list of 15 SEO companies in California that excel in their respective fields. These agencies offer a wide range of services, from local to international SEO, to help your business reach new heights.

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NUOPTIMA – yes, that’s us! You’ve found this page because we’re so good at SEO we’re able to promote ourselves.

A bit about us

We’re an honest growth agency, and our goal is to drive qualified traffic & profit for your business. 

We don’t work with everyone. In fact, we actively refuse 50% of all businesses that try to work with us. That’s purely based on if we think we can make your campaign a success. We only grow as an agency if we can get you results and you refer us to your friends and family. 

Before you choose an SEO agency, reach out to our team. We’ll objectively tell you what we think, and if it’s good, we’ll propose a fair price alongside a set of growth expectations and KPIs.

Once you start to work with us, you’ll be in regular contact with our team. You’ll be provided with extensive data tracking and will see us on regular calls.

Our SEO capabilities

  • We’ve worked on over 200+ SEO projects.
  • Our Head of SEO has 15+ years of experience, and we employ over 20 content writers.
  • We’re a full-stack SEO agency and provide technical SEO, backlink building, and content writing services.
  • Costs start from $1,000 per month, depending on your requirements. 
  • We’ve worked with local service providers all the way to public companies.
  • We’ve worked across B2C and B2B, having driven brands to 7 figures in sales, and exceeded B2B SQL quotas.

Next steps

  • Firstly, you should visit our SEO services page here.
  • Then, you should read through some case studies here.
  • And when you’re ready, send us a message or book a call here.


Contact Us


  • Headquarters: New York, NY
  • Founded: 2020
  • Specialisation: SEO, Content Marketing
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Expert Reputation

Expert Reputation, a prominent San Diego-based SEO agency, specializes in managing and enhancing the online reputation of businesses across various sectors. With a team of skilled professionals, they employ a blend of SEO techniques, content marketing, and social media management to improve search engine rankings. They are adept at identifying challenges and opportunities in a client’s online presence, enabling them to devise well-rounded plans for reputation improvement. By leveraging industry insights and technological advancements, Expert Reputation consistently helps businesses achieve greater online visibility, brand recognition, and customer engagement. With their commitment to delivering exceptional results, they have become a reliable partner for organizations looking to optimize their digital presence.


  • Headquarters: San Diego, CA
  • Founded: 2011
  • Specialization: Online Reputation Management
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Digital Ink

Digital Ink, a Carlsbad-based creative SEO company, offers a diverse array of digital marketing services that cater to the unique needs of each client. With expertise in SEO, PPC, and content creation, they provide clients with a cohesive approach to enhance their online presence. Digital Ink’s talented professionals are dedicated to understanding the individual needs of each client and developing targeted solutions that align with their objectives. Their transparent and collaborative process, combined with their commitment to staying up-to-date with the latest industry trends, sets them apart in the competitive digital marketing landscape.


  • Headquarters: Carlsbad, CA
  • Founded: 2014
  • Specialization: Creative SEO Solutions
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eSEOspace, headquartered in San Diego, is a versatile SEO agency that offers an extensive range of services designed to help businesses of all sizes succeed online. They provide on-page and off-page optimization, content marketing, and web development services to a diverse clientele, including small businesses and large corporations. eSEOspace’s team of seasoned professionals stays updated on the latest SEO trends and best practices, allowing them to create robust and adaptive optimization plans. Their client-centric philosophy and strong emphasis on collaboration have earned them a reputation for being a sought-after partner for businesses aiming to improve their search engine rankings and overall online visibility.


  • Headquarters: San Diego, CA
  • Founded: 2019
  • Specialization: Full-Service SEO
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Gumas is a seasoned San Francisco-based agency with a comprehensive suite of services, including search engine optimization, digital advertising, and branding. With decades of experience and a deep understanding of the digital landscape, they help businesses create a lasting online presence across various industries. Gumas employs a holistic approach, combining technical expertise with creative flair to develop impactful marketing campaigns that resonate with target audiences. Their diverse client portfolio is a testament to their adaptability and ability to deliver outstanding results for businesses of all sizes. Gumas is an ideal partner for organizations seeking a comprehensive and tailored digital marketing strategy.


  • Headquarters: San Francisco, CA
  • Founded: 1984
  • Specialization: Branding and Advertising
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Peterson SEO

Peterson SEO, a reputable Chico-based agency, delivers local and national SEO services to businesses in diverse industries. Their team of skilled professionals has a thorough understanding of search engine algorithms, enabling them to design targeted campaigns that improve search engine rankings and increase visibility. By employing a combination of keyword research, on-page optimization, and link-building tactics, Peterson SEO ensures that clients achieve their digital marketing objectives and experience sustainable growth in their online presence. Their commitment to delivering measurable results and ongoing support has solidified their reputation as a reliable and results-driven partner.


  • Headquarters: Chico, CA
  • Founded: 2011
  • Specialization: Local and National SEO
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Yoeweb Design

Yoeweb Design, a Downey-based SEO agency, stands out by offering a unique blend of web design, search engine optimization, and social media marketing services. Their multidisciplinary team of professionals is well-versed in creating visually appealing websites optimized for search engines, user experience, and conversions. Yoeweb Design’s collaborative approach ensures that clients receive personalized attention and tailored solutions that align with their business goals. By leveraging their diverse skillset and commitment to staying current with industry trends, Yoeweb Design has become a trusted partner for businesses seeking an integrated approach to digital marketing.


  • Headquarters: Downey, CA
  • Founded: 2015
  • Specialization: Web Design and SEO
brand image, based in Sacramento, is a niche SEO company catering to the unique needs of pool and spa businesses. By offering tailored strategies to enhance their clients’ online presence, they have established themselves as industry leaders in this specialized market. Their team of professionals has extensive knowledge of the pool and spa industry, which allows them to create highly targeted campaigns that drive results. With services ranging from website design and SEO to social media marketing and reputation management, provides comprehensive solutions for businesses looking to dominate their market and boost their online visibility.


  • Headquarters: Sacramento, CA
  • Founded: 2019
  • Specialization: Pool and Spa Industry SEO
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Public, a Temecula-based digital agency, is renowned for providing a wide range of digital marketing services, including SEO, content marketing, and social media management. Their talented professionals excel in developing customized marketing solutions that boost a business’s online presence. Combining analytical techniques with imaginative methodologies, Public creates campaigns that engage target audiences and foster expansion. Their dedication to comprehending clients’ unique needs and staying updated on industry trends ensures they offer personalized, outcome-driven solutions that stand out in the competitive digital landscape.


  • Headquarters: Temecula, CA
  • Founded: 2010
  • Specialization: Digital Marketing
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Baunfire, situated in San Jose, is a multifaceted digital agency concentrating on web design, development, and SEO services. Their primary objective is crafting visually captivating and high-performing websites that embody a brand’s essence while optimizing for search engines. Baunfire’s team, comprising designers, developers, and SEO specialists, collaborates to deliver inventive solutions that align with clients’ visions and goals. By maintaining excellence and staying up-to-date with technological advancements, they have built an impressive portfolio of successful projects across various industries, showcasing their versatility and reliability.


  • Headquarters: San Jose, CA
  • Founded: 2001
  • Specialization: Web Design and SEO
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Titan Growth

Titan Growth, operating from San Diego, is a leading agency offering advanced SEO and PPC solutions to businesses aiming to optimize their online presence. Utilizing their proprietary technology, TitanBOT, they enhance search engine performance and provide measurable results for their clientele. Their team of professionals combines technical know-how with strategic thinking to create targeted campaigns that drive expansion and elevate online visibility. With a proven track record of success in diverse industries, Titan Growth has become a reliable partner for businesses looking to harness the power of search engine optimization and paid advertising.


  • Headquarters: San Diego, CA
  • Founded: 2004
  • Specialization: SEO and PPC
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Metajive, a digital agency situated in Encinitas, blends strategy, design, and technology to furnish businesses with search engine optimization and online marketing services. Their team of seasoned professionals collaborates to develop innovative solutions tailored to the distinct needs of each client. By staying current with industry trends and best practices, Metajive is able to create and execute successful campaigns that not only improve search engine rankings but also drive organic traffic and increase conversions. Their commitment to delivering high-quality outcomes has made them a preferred choice for businesses looking for a partner to help them thrive in the digital realm.


  • Headquarters: Encinitas, CA
  • Founded: 2004
  • Specialization: SEO and Online Marketing
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Runningfish, a San Diego-based digital marketing agency, provides a wide range of services, including search engine optimization, web design, and social media marketing. They are committed to understanding the unique needs of each client and creating tailored solutions that generate growth and enhance online visibility. Runningfish’s team of experts leverages their diverse skillset and industry knowledge to deliver high-quality results that drive success for businesses across various sectors. Their dedication to maintaining open communication and providing ongoing support makes them a reliable partner for businesses seeking to optimize their digital presence.


  • Headquarters: San Diego, CA
  • Founded: 2003
  • Specialization: SEO and Web Design
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E29 Marketing

E29 Marketing, based in Larkspur, is a full-service marketing agency that specializes in search engine optimization, content marketing, and social media management. Their team of experienced professionals collaborates with clients to understand their unique challenges and goals, designing personalized marketing campaigns that resonate with their target audience. By leveraging industry insights and employing best practices, E29 Marketing helps clients increase brand awareness, drive organic traffic, and achieve higher search engine rankings. Their dedication to delivering measurable results and offering ongoing support has made them a trusted partner for businesses looking to enhance their digital presence.


  • Headquarters: Larkspur, CA
  • Founded: 2017
  • Specialization: SEO and Content Marketing
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PowerPhrase, a Santa Ana-based digital marketing agency, offers a variety of services, including search engine optimization, web design, and mobile app development. They pride themselves on their ability to create user-friendly, visually appealing websites and mobile applications optimized for search engine performance. PowerPhrase’s team of skilled professionals collaborates with clients to understand their unique requirements, and then develops tailored solutions that help them achieve their digital marketing objectives. With a track record of success in various industries, PowerPhrase has established itself as a trusted partner for businesses looking to elevate their online presence and drive growth.


  • Headquarters: Santa Ana, CA
  • Founded: 2003
  • Specialization: SEO, Web Design, and Mobile App Development


In conclusion, California is home to a wealth of SEO companies, each offering unique services and expertise to help businesses succeed in today’s competitive digital marketplace. Whether you’re looking for a full-service agency or a specialized firm, these 15 agencies stand out for their ability to deliver high-quality, tailored solutions that cater to the specific needs of their clients. By partnering with one of these esteemed companies, you can ensure your business will thrive in the ever-evolving world of digital marketing.

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