10 Best SEO Companies & Agencies

Last Updated June 01, 2021

The best search engines such as Google, Bing, and even Baidu change the algorithms which control their search results frequently. To remain in the top positions on those search engines, your website must constantly monitor search engine algorithm guidelines. If you can't personally stay up-to-date with those changes, your best strategy might be to work with a top SEO company or online marketing agency. Allow experienced professionals to track changes and adjust your marketing plan accordingly. The best SEOs will continue to do so until you have an optimal strategy in place. We considered the most trustworthy, experienced and talented marketing professionals when finalizing our rankings. We recognize excellence in customer service and quality work, and we only recommend businesses that we would work with ourselves. The companies below have been reviewed based on a wide range of qualitative and quantitative statistics. In some cases, variable listing fees effect position on this list; however only highly-regarded firms are accepted through our review analysis. Learn more about our ranking process here.

Best SEO Agencies of 2021
Rank Name Website Location Hourly Rate Rating Employees Learn More

Straight North straightnorth.com Chicago $$ 99% 50-250

Boostability boostability.com Lehi $$ 99% 250+

SmartSites smartsites.com Paramus $$$ 98% 10-50

BluShark Digital LLC blusharkdigital.com Washington $$$ 97% 10-50

Infront Webworks infront.com Colorado Springs $$$ 96% 10-50
6 Brick Marketing brickmarketing.com Boston $$$ 96% 1-10
7 YellowFin Digital yellowfindigital.com Corpus Christi $$$ 95% 10-50
8 O360 o360.com Santa Ana $$$ 95% 10-50
9 CSMTR cstmr.com San Francisco $$ 95% 1-10
10 Rising Phoenix SEO risingphoenixseo.com Phoenix $$$ 94% 10-50
11 Regex SEO regexseo.com Houston $$$ 94% 10-50
12 BOWEN bowenmedia.com New York $$$ 93% 10-50
13 Path Interactive pathinteractive.com New York $$$$ 92% 10-50
14 iLocal ilocal.net Seattle $$ 91% 1-10
15 ThinkCode thinkcodenyc.com NYC $$$$ 90% 1-10
16 Rowe Digital rowedigital.com New York Mills $$$$ 90% 1-10
17 Mankato mankatowebdesign.com Minneapolis $$$ 90% 10-50
18 Jemsu jemsu.com Denver $$ 89% 1-10
19 OpenMoves openmoves.com Huntington $$$ 88% 10-50
20 Adinfusion adinfusion.com Sacramento $$ 88% 10-50
21 Fuel Online fuelonline.com Boston $$$$ 87% 10-50
22 10tier 10tier.com Bronx $$ 87% 1-10
23 EIGHT25MEDIA eight25media.com San Francisco $$$$ 86% 50-250
24 Guerilla Agency theguerrilla.agency Minneapolis $$$ 86% 1-10
25 MMW mww.com Los Angeles $$$ 85% 10-50

Use Best Strategies For Selecting Top SEO Companies

Our extensive process to analyze and vet top SEOs isn't enough. Take the necessary steps to take to pick the Best SEO agency for you.

10 Best SEO Is Here To Help You Find The Top SEOs

With that said, the "Best SEO Expert" might not be the right online marketer for you

At 10 Best SEO, a research team has amassed a database of SEO, reputation management, and other online marketing agencies. This team has sifted through search engine optimization company reviews, evaluated the SEO services that they provide, and looked at their real-world results on search engine results pages (SERPs). All that work could be for naught if you still struggle to choose the best firm for your specific purposes. Without a doubt, our staff has compiled an amazing list of our favorite SEO companies, but if you end up working with an enterprise or globally focused team when you really need the best local SEO company, you might be overpaying or getting unexpected results.

Local SEO Icon
Local SEO
Enterprise SEO Icon
Global / Enterprise SEO
Social Media Marketing Icon
ORM Icon
Reputation Management
Target Geographic Searchers Multi-Regional Seachers Social Media Followers Specific Name / Keywords
Reach Regional National + Varied Highly-Targeted
Required Skills Mid to High Very High Mid to High High
Cost Lower Mid - High Depends on Scope Depends on Individual

Understanding SEO

Let’s face it, you might want search engine optimization services though at this point you just need the definition of an SEO company, first. An SEO agency is a company that works to improve your web presence or digital reach using organic search as a basis. Natural or organic search engine optimization is the process of editing or updating on-page elements of your website in coordination with the promotion of inbound linking and mentions for the purpose of moving a desired website up (or down, in the case of online reputation management - ORM) a page of search results.

Over time, SEO has evolved, and the Best SEO will know that. Choosing one of the top online marketing companies means that your search engine optimization expert will have weathered the many SEO algorithm updates that Google, Bing, Yahoo, and perhaps Yandex or Baidu have dished out over the years. They will know that SEO companies in the USA need focus on different activities than those involved with search engine marketing (SEM) in Russia, for example.

Google vs Yandex vs Baidu

Similarly, search engine optimization companies for small business know that working on local optimization is very different from attacking keywords internationally.

As it turns out, local SEO is actually very different from enterprise or internationally SEO. Your goals are different, so your SEO expert needs to zero in on radically different activities to get you the local leads you're looking for. On the other hand, if you need to implement a large-scale search marketing strategy, even the best local SEO expert might struggle to get you the results you expect.

SEO vs. Online Reputation Management (ORM)

Where SEO is the process of getting a website or page to rank high on search engine results pages - or SERPs, online reputation management is the opposite. An ORM expert will use the concepts of SEO to attempt to bury incorrect or damaging information about a person or brand. This type of SEO is growing in popularity as careers can be made or lost in a Google search, so figure out what kind of SEO is right for you.

On-Page SEO vs. Inbound SEO

All professional SEO plans incorporate both an on-page SEO strategy and an inbound one. But what does that mean? On-page SEO is the process of carefully and meticulously editing and re-programming a web page or its content to better fit within the guidelines of search engine crawlers. Inbound SEO involves building up the importance of that page by creating partnerships and link-backs from other authority sites around the internet.

Now What?

Have a search for the company that you think best fits your needs. We suggest that you reach out to 3 or 4 companies before making your decision. Ask them about how their strategies differ from their competitors and what methods they would implement for your company in specific. At the end of the day, it’s your business and your brand. You must make sure that the company that is getting your name out there is doing it the way you would yourself.

Lastly, remember that you're not alone! 10 Best SEO is a guide with a lot of useful information to help you make your decision, so have a look around and find out what works for you.

#1 of 10 Best Search Engine Optimization BusinessesStraight North

211 W Upper Wacker Dr, #1800, Chicago, IL 60606 - +1 (844) 265-0722

#1 of 10 Best SEO Companies of 2021 - In the world of SEO (search engine optimization), the goal is to boost a website's position within relevant search results. For nearly two decades, the Chicago-based internet marketing firm Straight North has been helping its clients to boost their visibility within those online searches. That has translated into more than 415,000 validated leads for those clients. The firm's work in this arena has not only helped its clients stand out in their respective fields, though. Straight North has distinguished itself from its competion as a best SEO agency.

#2 of 10 Top Online Marketing FirmsBoostability

2600 W Executive Parkway, #200, Lehi, UT 84043 - +1 (800) 261-1537

#2 of 10 Best Search Engine Optimization Agencies of 2021 - Boostability is a marketing agency with the capability to help startups, small companies, large businesses, and nonprofit organizations increase website traffic with effective search engine optimization solutions. From the start of each search engine optimization campaign, the team at Boostability works closely with clients to make certain each client is satisfied with the final product. The search engine optimization experts at Boostability offer blog and content writing that helps clients reach their target audience for more leads and sales. At Boostability, the team adheres to core values that include exceptional customer satisfaction, dedication, and accountability, which are a few reasons why the firm thrives.

#3 of 10 Top SEO AgenciesSmartSites

45 Eisenhower Drive, Paramus, New Jersey 7652 - +1 (201) 870-6000

#3 of 10 Top Online Marketing Businesses of 2021 - SmartSites takes some of the stress away for clients who are trying to decide what kind of SEO content to place on the pages of a website. The agency works with each business to gather information about details that other companies have used so that unique content can be placed on each page. The goal is to launch the client's website to the top of search engine pages so that traffic is increased, which could then lead to an increase in revenue.

#4 of 10 Best SEO AgenciesBluShark Digital LLC

1826 Jefferson Pl NW, Washington, DC 20036 - +1 (202) 871-1509

#4 of 10 Best SEO Businesses of 2021 - BluShark Digital LLC is one of the nation's leading SEO agencies. It's earned this reputation through its high customer satisfaction rate and its ability to deliver measurable results for its clients. The associates at BluShark Digital LLC use data to drive their SEO approach. They don't just plan on a one and done type of campaign. They're always on top of things, making sure that the client's SERP doesn't go down. They yield first page results within a few months. After an algorithm change, BluShark Digital LLC is there to make sure that the site doesn't lose any traffic.

#5 of 10 Best Online Marketing AgenciesInfront Webworks

5350 Tomah Dr #2800, Colorado Springs, CO 80918 - +1 (719) 577-4404

#5 of 10 Top Search Engine Optimization Agencies of 2021 - The key to growing a business comes with a strong online presence, and the professionals at Infront Webworks are standing by to help businesses reach their online goals. The firm offers a plethora of digital marketing services, which include search engine optimization. The team at Infront Webworks customizes search engine optimization solutions that are tailored fit the needs of the customer. The professionals at Infront Webworks also have the capability to craft websites that gives businesses a leading edge over the competition. Infront Webworks has gained a reputation as one of the best firms in the industry and continues to maintain that standard with exceptional services.

#6 of 10 Best Search Engine Optimization AgenciesBrick Marketing

Boston, Massachusetts - +1 (781) 999-1222

#6 of 10 Top SEO Agencies of 2021 - Brick Marketing is a premier digital marketing agency that's focused on customer satisfaction. The firm's dedication to helping clients reach online success has resulted in the firm winning several digital marketing awards. Brick Marketing offers a list of services that include exceptional search engine optimization solutions. The team takes the time to listen to each client for search engine campaigns that get results. Aside from search engine optimization, the experts at Brick Marketing offer web design and development, pay per click management, reputation management, and more. Brick Marketing is one of the most impressive digital marketing agencies in the industry.

#7 of 10 Best Search Engine Optimization FirmsYellowFin Digital

13933 Primavera Dr., Corpus Christi, TX 78418 - +1 (361) 844-8550

#7 of 10 Best Online Marketing Businesses of 2021 - The team at YellowFin Digital knows the importance of being on the first page of search engine results. Based in Corpus Christi, Texas, they have the experience to get your company increased traffic, more leads and more sales. This SEO agency works to grow your brand while it is increasing your bottom line. This includes taking steps to boost your company's authority and trust with potential customers so that they become actual customers. YellowFin Digital also creates cutting-edge websites that incorporate SEO best practices. They can get your business found by qualified prospects on a local, national or international scale.

#8 of 10 Top Search Engine Optimization FirmsO360

1910 E. Warner Ave, #2E, Santa Ana, California 92705 - +1 (833) 433-8338

#8 of 10 Top Online Marketing Businesses of 2021 - Optimized360 is an SEO agency serving dental and medical practices exclusively. They run SEO campaigns that help clients have a better organic ranking on Google, Yahoo and Bing. O360 uses white hat techniques only, so clients never receive a Google penalty. Since medical and dental practices need local SEO, the SEO agency allocates their time on factors that matter most for local SEO. including citation building, reputation management and content usefulness. They can create blog posts, answer questions on Quora, guest posts and more.

#9 of 10 Best Online Marketing CompaniesCSMTR

535 Mission St, San Francisco, CA 94105

#9 of 10 Top SEO Companies of 2021 - SEO makes so many things possible in the world. It makes it easy to surf the web and find what you really need. It makes it easy for any person to look for goods and services that might make their life easier and better in every way. Those who are in need of any kind of SEO services to help grow their company can find it with the help of CSMTR. They know how to bring to life any ideas the company might have. They hear what you have to say and help you get where you want to go.

#10 of 10 Top Search Engine Optimization AgenciesRising Phoenix SEO

1609 E Roma Ave STE B, Phoenix, AZ 85016 - +1 (602) 288-9085

#10 of 10 Top Search Engine Optimization Firms of 2021 - Rising Phoenix SEO that is ideal for businesses that want to work toward ranking on the first page of Google's search results. The Phoenix SEO agency does all work in-house, ensuring effective campaigns that use engaging content that attracts visitors and keeps them on the site. Rising Phoenix knows original, in-depth content is a major ranking factor for search engines. Established in 2013, the SEO agency works with local and national clients, offering them an excellent ROU.

Special Recognitions

#11 Top SEO BusinessRegex SEO

4801 Woodway Dr, STE 275E, Houston, TX 77056 - +1 (832) 422-8063

Regex SEO is one company that gets what it means to have an SEO strategy. You'll find this is one company that can help you discover all that SEO can do your business. You'll also find this is one company that will hear what you have to say and help you think about making sure that others on the web can do the same. They know how to work with clients to bring their dreams to the forefront and make them come to life in every way. This is reliable company that will get the job done just right today.

#12 Top Search Engine Optimization CompanyBOWEN

115 W 18th St, New York, New York 10011 - +1 (516) 308-3539

You know what you want from a website. You know that a website must be able to show who you are and what it is that you want to convey to the world. You know this and yet it can be really hard to bring this idea to life. That is why you are going to need BOWEN with you as you think about your next steps in life. You'll find this is a firm that helps you realize what it is that you have planned. They know how to help you come up with ideas and get them realized.

#13 Best SEO BusinessPath Interactive

New York, New York - +1 (212) 661-8969

Search engine optimization and search engine marketing are important for online businesses. Those in search of a reputable and successful search engine optimization firm should seek the marketing services of Path Interactive. This firm adheres to core values that include integrity and dedication. Path Interactive has been successful because it makes customer satisfaction a priority. The firm offers a host of marketing services at an affordable cost. Path Interactive has collaborated with clients from a variety of sectors. In addition, the team at Path Interactive has the skills and capability to handle search engine management and search engine optimization projects of all sizes.

#14 Top SEO FirmiLocal

92 Lenora St, STE 2, Seattle, WA 98121 - +1 (206) 384-4344

The world is an incredible place. It's one place with lots of room for so many things. One of the many things that the world can offer is a place where everyone can own a business and speak directly to their potential clients as they choose to surf the web. For those who want to get this one, iLocal can be right there with the help you are going to need if you want to make your life better and create a lasting mark on the world. You have them as your valued ally in the world of SEO ranking.

#15 Top Online Marketing FirmThinkCode

NYC, New York - +1 (516) 900-4660

Businesses looking for unmatched digital marketing services turn to ThinkCode. This SEO agency excels at getting their client's websites found by people that are looking for their particular goods or services. It starts with a website that is optimized to rank highly on the search engines under those keywords that bring targeted traffic. This means they ensure your site has fast-loading pages, intuitive navigation and compelling content that converts visitors into customers. ThinkCode does the keyword research and implements the backlink-building strategies that get your site above your competition. This New York City agency offers a full suite of other digital services.

#16 Top SEO AgencyRowe Digital

587 Main St, #200, New York Mills, New York 13417 - +1 (607) 373-9351

There is always so much to learn in the modern world. One firm that knows this well is Rowe Digital. Rowe Digital is one firm that gets that all must be done well in order to make it work for their list of clients. That is why they work hard to develop an SEO strategy that can take any concept and bring it directly to the web. They provide the kind of SEO services that can take any company and bring them to the attention of a much large audience. They know what you need and how to get it.

#17 Top Online Marketing CompanyMankato

3144 Chowen Ave S #631, Minneapolis, MN 55416 - +1 (612) 558-1020

Hiring the best SEO marketers to take care of your website is important when you’re ready to make changes to your business model. Join forces with a company that uses aggressive but well-planned maneuvers to get your website on the first page of those magnificent search engines-even Google! Mankato is one of the top ten SEO firms, with an even firmer grasp of how the right campaign will do wonders for your brand. With many awards decorating their virtual wall, your company will be in the right hands with Mankato. Trust the experts to do the job the right way.

#18 Best SEO AgencyJemsu

720 S. Colorado Blvd., STE #105A, Denver, CO 80246 - +1 (720) 410-6151

The team at Denver digital marketing agency JEMSU takes a highly collaborative approach to getting clients' websites noticed. JEMSU helps companies ranging from small area businesses to well-known national organizations with their online marketing and advertising efforts. In business since 2009, the Colorado agency creates custom strategies for clients across a wide range of industries. From SEO services and website design to review management and conversion rate optimization, the Denver digital firm provides clients with everything they need to build and maintain powerful web presences that convert.

#19 Top Online Marketing FirmOpenMoves

315 Main Street, 2nd Floor, Huntington, NY 11743 - +1 (631) 546-7779

Your website won’t do any of your customers any good if no one finds it during an organic search. If this is happening, then you need the services of OpenMoves, one of the very best SEO companies out there. With many awards under their belts for their superior work in the field of SEO, OpenMoves understands what your website needs to do in order to appear on the front page of Google, Bing, Yahoo, and other popular search engines. Trust the expert developers to put your page at the top, through various SEO tactics including social media marketing and more.

#20 Best SEO FirmAdinfusion

1001 G St, STE 202, Sacramento, CA 95814 - +1 (916) 798-5707

One of the very best SEO companies, Adinfusion is ready and able to take on the needs of any website that requires help. Adinfusion will use the services of Google Analytics to find out what they can about your website. This includes which sex visits more often, the general age group of your visitors, and more relevant information. With this information to work with, Adinfusion will put together your own personal plan of action to get the ball rolling on your behalf. Sooner than later, your website will start seeing the traffic it has longed to have for so long.

#21 Best SEO CompanyFuel Online

101 Federal Street, #1900, Boston, Massachusetts 2110 - +1 (888) 475-2552

Fuel Online is a digital marketing agency that outshines its competition with a lineup of services. The full-service firm has an award-winning team of marketing experts who are diligent and devoted. Not only does the firm offer search engine optimization solutions, it also provides services that include web design, pay per click management, social media marketing, reputation management, and more. Businesses, companies, startups, and nonprofits have trusted Fuel Online for their online marketing needs. With its extensive list of services and impressive client list, Fuel Online has developed and maintained a solid reputation as one of the best firms in the marketing realm.

#22 Best Online Marketing Firm10tier

104 Hawkins Street, Bronx, NY 10464 - +1 (800) 543-1276

It is not enough to be good at your job. It's not enough to have a really great business. Any business owner needs to be able to tell the world just what it is and why they are the team to have for their needs. This all starts with your own personalized SEO plan. You need to create that plan and have it in place as you operate on the web each day. That is where you can work with 10tier to achieve this aim and bring it to life. They do what you need done with truly effective SEO.

#23 Top SEO BusinessEIGHT25MEDIA

48377 Fremont Blvd, #117, San Francisco, California 94538 - +1 (408) 728-9555

EIGHT25MEDIA has been awarded for their superior work in the coveted field of SEO. Search engine optimization is an important part of your marketing plan, whether you are a small, family owned restaurant or a corporate branch in the big city. SEO includes web development tactics such as pay-per-click, branding, logos, Google Analytics, local and technical SEO, global SEO, and much more. A company with the best-looking website won’t get far if they don’t have the views from the public. EIGHT25MEDIA works hard to make the changes needed when your views are what is at stake. Trust the professionals to get the job done right.

#24 Best SEO AgencyGuerilla Agency

1313 Chestnut Ave #200, Minneapolis, MN 55403 - +1 (612) 987-0938

Based in Minneapolis, Guerilla Agency is a search engine optimization company that has over 40 active clients. They have also achieved over 4,000 top three rankings for their clients over the years, which is a testament to their effectiveness. They achieve an average 500 percent increase in traffic for their clients as well as a 90 percent increase in leads. These accomplishments are a result of their SEO strategies being tailor-made for each client's needs and goals. They have various SEO packages available, and these include e-commerce SEO. Additionally, Guerilla Agency provides web design, video production and paid advertising services.

#25 Top SEO BusinessMMW

6255 W. Sunset Blvd, Los Angeles, CA 90028 - +1 (212) 704-9727

MMW is an agency that specializes in search engine optimization (SEO) as well as other marketing services. Some of these additional services include search engine marketing, artist promotion, content optimization, retargeting, web development, and more. At MMW, the agency works with specific industries to make sure they have the experience for those who use their services. MMW works mainly with music, publishing and ecommerce, giving these industries the leg up on marketing and optimization for visibility and lead generation.

Previous 10 Top Online Marketing Businesses

10 Best SEO's previous award winners have been stored for your convenience. The Best Search Engine Optimization Firms of 2021 include businesses from across America. Each has displayed an ability to meet client requests and progress the industry by using innovative strategies and techniques. Please visit our previous seos awards below: