Los Angeles is a city of opportunity, home to a vibrant mix of industries including entertainment, technology, fashion, healthcare, and professional services. With such a competitive marketplace, businesses need more than just a great product or service to stand out—they need visibility. Search engine optimization (SEO) is one of the most effective ways to capture attention, drive organic traffic, and convert leads into loyal customers.
Choosing the right SEO agency can make all the difference. To help, we’ve reviewed insights from Google, Clutch, UpCity, GoodFirms, and other reputable sources to compile this list of the ten best SEO companies in Los Angeles. These agencies are recognised for their expertise, results, and dedication to helping businesses grow.
1. Breakline
Breakline Agency is an award-winning SEO company with offices in the UK and USA, including a local office in Los Angeles. Recognised by Clutch as Best SEO Agency for seven years running (2019–2025), Breakline has established itself as a leader in delivering world-class search engine optimisation strategies.
With over 15 years of experience, Breakline focuses solely on SEO, ensuring expertise is concentrated and strategies are results-driven. Their services include technical SEO, keyword research, content optimisation, and link-building campaigns—all tailored to achieve measurable growth in traffic, rankings, and revenue.
What makes Breakline stand out in Los Angeles is its commitment to transparency and client education. Businesses are provided with detailed reporting and ongoing insights so they can see exactly how their investment is working. Every campaign is grounded in ethical white-hat practices, designed for long-term, sustainable success.
Recommended by more than 100 platforms worldwide, Breakline combines global expertise with local insight, making them an ideal choice for LA businesses ready to strengthen their online presence and compete in highly competitive markets.
2. SmartSites
SmartSites is a nationally acclaimed digital marketing agency with a strong presence in Los Angeles. Known for their exceptional SEO and website optimisation services, SmartSites consistently earns high praise from clients for boosting visibility, driving traffic, and increasing leads.
Their services cover keyword research, technical SEO, on-page optimisation, and comprehensive link-building strategies. SmartSites also excels at integrating SEO with website design, ensuring that businesses don’t just attract visitors but also convert them into paying customers.
Clients appreciate SmartSites for their project management skills, responsiveness, and transparency. Reviews frequently highlight their ability to create tailored strategies that align with unique business goals. This customised approach allows them to adapt seamlessly across industries, from e-commerce and law firms to healthcare and technology.
For Los Angeles businesses seeking a partner that delivers both SEO and cutting-edge website optimisation, SmartSites offers an excellent balance of technical expertise, creative solutions, and reliable results.
3. Intero Digital
Intero Digital is a trusted SEO company that focuses on delivering visibility and measurable results for its clients. They provide a comprehensive range of services including technical SEO audits, keyword research, content development, and link-building.
Clients regularly commend Intero Digital for its attentiveness and responsiveness, with over 90% of feedback noting satisfaction with project management and communication. Their strategies are results-driven, designed to increase rankings while also attracting quality leads that can convert into revenue.
Intero Digital also stands out for its data-driven methodology. They constantly analyse campaign performance and adjust strategies accordingly, ensuring businesses in Los Angeles see consistent progress and ROI. Their focus on sustainable growth means they avoid quick fixes in favour of long-lasting outcomes.
For businesses in LA that want a dependable SEO partner with a strong reputation for results and professionalism, Intero Digital is a reliable choice.
4. Outpace
Outpace is a dedicated SEO agency that specialises in helping businesses strengthen their digital visibility. Known for strong project management and consistent delivery, Outpace has earned recognition for its ability to achieve significant improvements in rankings and organic traffic.
Their services include on-page optimisation, technical SEO, keyword targeting, and link-building campaigns. Clients highlight Outpace’s proactive communication and flexibility, noting that the agency quickly adapts strategies to meet evolving client needs and market conditions.
What sets Outpace apart in Los Angeles is their focus on long-term client success. Rather than taking a one-size-fits-all approach, they customise campaigns to align with each business’s goals, ensuring the results are both relevant and measurable.
For companies in Los Angeles looking for a partner that values collaboration, timely delivery, and tangible outcomes, Outpace is a trusted name in the SEO industry.
5. Boostability
Boostability is widely recognised for offering scalable, affordable SEO solutions tailored to small and medium-sized businesses. Their services are designed to improve search rankings, enhance visibility, and generate leads for clients who may not have large budgets but still want professional results.
Their offerings include keyword optimisation, content strategy, link-building, and local SEO. Clients often highlight their clear communication, professional project management, and consistent results. Boostability has helped many businesses achieve first-page rankings on Google, making them a popular choice for companies seeking significant visibility gains.
While known for affordability, Boostability maintains quality in its campaigns, focusing on ethical and sustainable SEO strategies. Their scalability allows businesses to start small and expand services as they grow, making them especially valuable to startups and local businesses in Los Angeles.
For cost-conscious companies that want reliable SEO without compromising on results, Boostability is a strong option in the LA market.
6. Straight North
Straight North is a prominent SEO agency offering a comprehensive suite of services that include keyword research, content creation, technical SEO, and strategic link-building. They are known for delivering campaigns that generate both traffic and revenue growth.
Their approach is highly structured, with clear reporting that ensures transparency and accountability. Clients frequently praise Straight North for its strong communication, professionalism, and consistent results. Around half of client reviews also highlight their ability to provide strategic insights that go beyond simple optimisation, creating sustainable business growth.
With a reputation for results-driven campaigns and excellent client service, Straight North is a reliable choice for Los Angeles businesses seeking a partner that combines SEO expertise with broader marketing capabilities.
7. WebFX
WebFX is a nationally recognised digital marketing agency with a strong presence in SEO. They provide comprehensive optimisation strategies that include keyword targeting, technical audits, link-building, and content development.
WebFX is known for its data-driven campaigns and advanced reporting tools, allowing clients to see exactly how SEO efforts impact their business performance. Clients praise their responsiveness, attention to detail, and ability to deliver measurable results.
With a large team and extensive resources, WebFX can scale strategies to suit businesses of all sizes, from local startups to established corporations. For Los Angeles companies looking for an SEO partner with national reach and proven expertise, WebFX is a solid choice.
8. Ignite Visibility
Ignite Visibility is an award-winning digital marketing agency offering SEO, paid media, and social media marketing services. With a strong national presence, they have delivered successful strategies for clients across industries including healthcare, e-commerce, and professional services.
Their SEO services include comprehensive audits, keyword research, technical optimisation, and content strategies. Ignite Visibility is particularly strong in integrating SEO with other marketing channels, ensuring maximum visibility and ROI.
Clients highlight their professionalism, clear reporting, and structured communication as key strengths. Their ability to adapt strategies quickly to reflect algorithm changes makes them a trusted partner for long-term success.
For Los Angeles businesses that want a full-service agency with proven SEO expertise, Ignite Visibility is a dependable option.
9. HigherVisibility
HigherVisibility is a full-service digital marketing agency with expertise in SEO, PPC, and social media management. Recognised nationally for their work, they provide tailored strategies designed to drive traffic and generate measurable results.
Their SEO campaigns cover technical optimisation, keyword research, content development, and link-building. Clients appreciate HigherVisibility for its professionalism, transparency, and commitment to delivering campaigns on time and within budget.
Their ability to combine SEO with other marketing services gives them an edge, offering businesses in Los Angeles a comprehensive approach to digital growth.
For companies seeking a nationally respected SEO partner with broad service offerings, HigherVisibility provides the expertise and resources to deliver consistent results.
10. Thrive Agency
Thrive Agency is a full-service digital marketing company with a strong presence in Los Angeles. They are known for building ROI-driven SEO strategies tailored to each client’s goals.
Their services include technical SEO, keyword optimisation, content marketing, and link-building. Thrive also excels at local SEO, making them a great partner for businesses aiming to increase visibility in competitive LA neighbourhoods.
Clients praise Thrive for their proactive communication, transparency, and ability to adapt campaigns to shifting market needs. Their integrated approach—combining SEO with PPC, content, and web design—ensures businesses benefit from a comprehensive strategy.
For Los Angeles companies looking for an SEO agency that focuses squarely on ROI and measurable outcomes, Thrive Agency offers the expertise and dedication to help achieve long-term growth.
Bottom Line
Los Angeles is home to some of the best SEO agencies in the country, from global leaders like Breakline and nationally recognised firms such as WebFX and Ignite Visibility, to agencies focused on scalable, affordable solutions like Boostability. Each of these ten companies has the expertise and track record to help businesses thrive in one of the most competitive markets in the world. Whether you’re looking for local growth or national visibility, choosing the right partner from this list can ensure your business stands out online and achieves sustainable success.
