9 Best SEO Companies in the World

Search engine optimization (SEO) is one of the best ways to grow your business — offline and online. The challenge is finding the best SEO agency to lead and manage your strategy. With this vetted list of the best SEO companies in the world, however, you can take the stress out of finding, researching, and hiring an SEO firm. Check out the list now to get started!

This year's top SEO companies from around the globe

In 2021, you can find top SEO companies all over the world. From the United States to Japan, you have options when it comes to optimizing your website for SEO, ecommerce SEO, or even international SEO. Check out the table below to see which agency is their country's leader for SEO services!

Country SEO agency Location Employees SEO Checker score* Learn more
United States WebFX Pennsylvania, USA 250-999 81
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United Kingdom The SEO Works Sheffield, U.K. 10-49 68
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Japan KOCHI Chiba, Japan 2-9 56
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Italy Simpliza Rome, Italy 2-9 57
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Israel Angora Media Gan, Israel 10-49 72
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India SEOtonic Bhopal, India 10-49 61
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Germany Ogno Berlin, Germany 10-49 62
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Canada seoplus+ Ottawa, Canada 10-49 44
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Australia SIXGUN Melbourne, Australia 10-49 71
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*Last Updated October 19, 2021.
SEO Checker is a free SEO tool that analyzes a website's SEO and assigns a score of 0-100, with 100 being the highest (or best) score and 0 being the lowest (or worse).

Best SEO company in the U.S.: WebFX

One of best SEO companies: WebFX
  • SEO services: National, local, ecommerce, and enterprise SEO, plus SEO audits
  • Location: Pennsylvania, USA
  • Employees: 250-999
  • SEO Checker score: 81
  • URL: https://clutch.co/profile/webfx

“WebFX — aren’t you WebFX?”

While it seems self-serving to include our SEO agency on a list of the best SEO firms, the data (from our client reviews to our client results) shows that WebFX is the best SEO company in the U.S., especially for small-to-midsized businesses (SMBs).

Ready to learn more about the data behind our placement? Check out the reasons behind our choice:

Access specialized SEO services

With WebFX, your business can access the SEO services you need. Whether you're looking for national, ecommerce, or local SEO, you can get the expertise you need with our 300+ team of SEO specialists, developers, designers, and copywriters.

Even better, we publish our SEO plans and pricing online, which is a rarity among SEO agencies.

Get 360° reporting in real time

Besides providing you with a dedicated account manager, WebFX also offers real-time return on investment (ROI) reporting through MarketingCloudFX, our exclusive tech platform. See how many leads and sales your SEO strategy drives instantly.

Build an SEO strategy with data and expertise

WebFX stands apart from other top SEO agencies because of its unique blend of technology and expertise. With IBM Watson and Google AI — two leading artificial intelligence and machine learning solutions — you build an SEO strategy driven by data and your dedicated account manager's expertise.

Your strategy, for example, can access billions of data points to determine what keywords and content will drive the best ROI for your business. That's insight your competitor can't access, which gives you an immense advantage in the world of search.

Impact bottom-line metrics

Search engine optimization isn't about just driving traffic anymore. Your company wants to see real, measurable impact from ranking in search results, and WebFX makes this possible. We build our strategies around what will drive your business qualified leads and valuable sales.

It shows too. In the past five years, WebFX's clients have earned more than $2.4 billion in revenue through the company's efforts. Even better, clients' businesses have attracted more than 6.3 million qualified leads.

Best SEO company in the United Kingdom: The SEO Works

One of best SEO companies: The SEO Works

What makes The SEO Works one of the top SEO agencies in the United Kingdom? A few reasons:

Get a partner with diverse industry experience

With experience in multiple industries, from automotive to education, The SEO Works brings a vast amount of industry experience to your SEO campaign. Through their background in different industries, your company can create a savvy SEO strategy.

Optimize for quality, not quantity

Like many of the top SEO marketing companies on our list, The SEO Works understands the value of quality over quantity. That's why the team focuses on attracting qualified traffic to your website versus any traffic. With more qualified traffic visiting your site, you can drive more leads and revenue.

Track online and offline conversions for local SEO

Companies looking for a local SEO solution will want to check out Local SEO Ballistics from The SEO Works. This program makes measuring your local SEO ROI easier because it tracks phone calls and inquiries generated from your presence in local search results.

Best SEO company in Japan: KOCHI

One of best SEO companies: KOCHI

While a younger SEO company, KOCHI is one of the top SEO agencies in Japan for a few reasons:

Access international SEO professionals

For companies looking to break into the Japanese marketplace, KOCHI is an excellent solution. The company features fully bilingual SEO professionals, which makes sharing your goals, measuring your progress, and providing your input fast and easy.

Get a complete international SEO solution

KOCHI also provides your company with a complete solution to international SEO. You don't have to worry about implementing your SEO strategy, for example. Your KOCHI representative will take care of these tasks for you.

Use supporting strategies to increase your SEO ROI

With KOCHI, your business can also access strategies to support your international SEO efforts. If you're looking to improve your analytics tracking with Google Tag Manager (GTM) or increase your revenue with conversion rate optimization (CRO), for example, KOCHI can help.

Best SEO company in Italy: Simpliza

One of best SEO companies: Simpliza

In Italy, Simpliza is one of the top SEO marketing companies for a few reasons, including:

Get an agency that specializes in startups and small businesses

Looking to grow your startup or small business through search? Simpliza can help. The SEO agency specializes in SEO for startups and small businesses, which makes them an excellent candidate for companies like yours.

Work on a consulting vs. ongoing basis

Businesses looking for a flexible SEO partnership will also like Simpliza. The SEO company offers SEO consulting and SEO audit services, which your company can take advantage of when looking for a second opinion or additional SEO insight.

Optimize for visibility on Google, Bing, Yandex, and Baidu

While Google is one of the biggest search engines, companies with a global presence will want to think about other search engines, like Yandex and Baidu. With Simpliza, you can optimize your site for these global search engines to capture more online revenue.

Best SEO company in Israel: Angora Media

One of best SEO companies: Angora Media
  • SEO services: International SEO, SEO consulting, technical SEO audits, penalty recovery, and more
  • Location: Ramat Gan, Israel
  • Employees: 10-49
  • SEO Checker score: 72
  • URL: https://clutch.co/profile/angora-media

Looking for the best SEO company in Israel? Check out what you can get with Angora Media:

Outsource routine SEO tasks

Besides accessing international SEO and consulting SEO services, your business can also use Angora Media to knock out routine SEO tasks. Examples include keyword research, competitor intelligence, and even auditing your technical SEO.

Improve the metrics that impact your business's profits

Angora Media doesn't just improve your keyword rankings and traffic. The company also looks at your bottom-line metrics, like your leads and sales, when analyzing its performance. If you're searching for an SEO company in Israel that prioritizes ROI, check out Angora Media.

Get access to supporting services, like social media and paid advertising

With Angora Media as your SEO agency, you can also access supporting digital marketing services. For example, you can use the company's social media and pay-per-click (PPC) advertising plans to grow (and monetize) your online presence even more.

Best SEO company in India: SEOtonic

One of best SEO companies: SEOtonic

When it comes to the best SEO companies in India, SEOtonic tops the list for a few reasons, including:

Get help with SEO tactics, like blogging and link building

If you're looking for assistance with SEO tactics like blogging SEO or link building, SEOtonic offers specialized services for these tasks. With these services, you can optimize your SEO strategy's challenging (or often forgotten) aspects.

Receive an entire team to manage your SEO strategy

SEOtonic also provides your business with a whole team to manage, lead, and implement your SEO plan. Your team includes an account manager, SEO expert, link building specialist, and more so you can completely outsource your SEO.

Achieve keyword rankings and traffic goals

Companies with a focus on keyword rankings and traffic will find SEOtonic makes the perfect partner. The SEO agency's case studies focus heavily on keyword ranking and traffic gains, demonstrating their expertise to achieve these kinds of goals.

Best SEO company in Germany: Ogno

One of best SEO companies: Ogno

Another one of the best SEO companies is Ogno. Here's why:

Receive a custom SEO strategy

Like many of the best SEO firms, Ogno prides itself on creating custom SEO strategies for its clients. The company understands that your business, audience, and goals are unique, which is why the Ogno team builds every SEO plan from scratch.

Work with a dedicated expert

With Ogno, your business will receive a dedicated expert. This expert will keep your company up-to-date when it comes to your SEO strategy. Whether you're looking to receive a status update or pass along feedback, you can go to your dedicated expert.

Get on-page and technical SEO, plus content marketing

Besides including on-page and technical SEO with its SEO services, Ogno also packages content marketing with its plans. This setup allows your business to take advantage of one of the biggest components of ongoing SEO: Content.

Best SEO company in Canada: seoplus+

One of best SEO companies: seoplus+

SEOplus+ is one of the best SEO firms in Canada for a few reasons, including:

Get an SEO plan that matches your budget

If you're looking for an SEO agency that will work with your budget, seoplus+ can help. The company will build an SEO plan based on your budget, which offers immense flexibility to startups and small businesses.

Receive monthly performance reports

Like many of the best SEO companies on this list, seoplus+ provides your business with regular reports. These reports offer your business instant insight into your strategy's performance, which can guide your strategy from month to month.

Access digital marketing specialists, from SEOs to web designers

SEOplus+ also features a full-service digital marketing team. This setup allows your company to implement your SEO strategy fast. You don't have to wait for an in-house developer to find the time, for example. Instead, you can rely on seoplus+ to get the job done.

Best SEO company in Australia: SIXGUN

One of best SEO companies: SIXGUN
  • SEO services: International and local SEO, plus Google penalty assistance
  • Location: Melbourne, Australia
  • Employees: 10-49
  • SEO Checker score: 71
  • URL: https://clutch.co/profile/sixgun

Businesses looking to grow in Australia should check out SIXGUN, a top SEO company in the country:

Recover from Google penalties

Whether you're looking to recover from a Google penalty caused by another SEO agency or in-house actions, SIXGUN offers specialized services for recovering from one. SIXGUN will work to remove the penalty and provide a roadmap for avoiding future ones.

Receive SEO training for in-house team members

If you're looking to build your department's SEO knowledge, you can also hire SIXGUN to provide a 60-minute lunch and learn. This program will include reviewing your website, providing recommendations, and answering your teammate's questions.

Capture more of the Australian marketplace

While SIXGUN provides international SEO services, the company focuses on improving your presence in local search results. If you're an Australian business — or business looking to break into the Australian marketplace — SIXGUN deserves a spot on your list of contenders.

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FAQs about the best SEO companies in the world

Looking to learn more about finding, researching, and hiring one of the best SEO companies in the world? Check out our FAQ, which covers some of the most common questions businesses have about finding and hiring an SEO agency!

How did you build this list of the top SEO companies?

Great question! This list of the top SEO companies looked at several factors when vetting agencies, like:

  • Deliverables: The best SEO firms provide clients everything they need to launch and manage a successful SEO strategy, like keyword research and regular reporting. So, our list focused on agencies that offered a turnkey SEO solution.
  • Success factors: Another distinctive factor between SEO companies is how they measure client success. Do they look only at rankings, or do they look at real-world business metrics, like leads and revenue? The best SEO firms look at both, with an emphasis on real-world impact.
  • Client results: You can't become one of the top SEO agencies without driving results for your clients. Through case studies, the SEO companies on our list demonstrated their expertise in SEO and client service.
  • Client satisfaction: When it comes to the best SEO firms, it doesn't matter how good they are if they can't provide exceptional customer service. That's why our list also factored in client satisfaction. Did online reviews show businesses loved working with this agency?

How much do SEO services from these agencies cost?

Typically, search engine optimization services cost $700 to $2000 per month.

Unfortunately, only a few of the agencies on our list of the best SEO companies publish their prices online — WebFX is one of them. That means, if you want to see an agency's pricing, you'll need to contact them, which isn't convenient in the early stages of hiring an SEO firm.

As a reference, if you're partnering with one of the best SEO companies in the world, expect to see prices higher than the industry average. This price difference is often due to the agency's experience. Keep in mind, though, factors related to your business, like your SEO needs, will shape your SEO costs.

Are the best SEO marketing companies worth the money?

The answer to this question is almost always yes.

Price is a crucial factor when outsourcing your SEO. Many companies, however, use price to make (versus shape) their hiring decisions, which results in hiring a cheap SEO agency. These agencies typically advertise SEO services at less than $500 per month.

Working with a cheap SEO company impacts your:

  • Client experience
  • Return on investment
  • SEO results
  • And more

Not to mention, these agencies can also damage your reputation with Google — the world's biggest search engine. If Google decides your website isn't trustworthy because your agency practiced black-hat SEO, your business will continue to struggle to rank in search results, long after you've let the agency go.

This all-too-common scenario forces your company to spend additional dollars on undoing the cheap SEO firm's damage. In the end, you spend more money than if you'd partnered with a reputable SEO agency that had higher (but more realistic) prices.

That's why, yes, the top SEO agencies are often worth their price tag.

They provide you with the peace of mind that you're working with a company that will grow your online visibility and help your business increase its revenue. So, remember to use multiple factors to make your hiring choice versus making price the deciding factor.

I'm ready to hire an SEO agency — any tips?

If you're ready to hire an SEO agency, then you'll find these seven tips helpful:

  1. Decide what metrics, like traffic, leads, and sales, will measure your SEO success
  2. Determine whether you want to work with an SEO agency in your area, country, or time zone
  3. Set a monthly SEO budget — after researching how much SEO costs
  4. Research what your SEO services should include, like off-page and on-page SEO
  5. Review the agency's case studies to see what metrics they value
  6. Read the agency's reviews on multiple platforms, from Facebook to Clutch
  7. Compile questions to ask each agency, like how and when they report results

For even more advice about working with an SEO company, check out these related resources:

See what it's like to work with a top SEO company

You've learned about the best SEO companies in the world, plus how to find the best SEO agency for your business. If you're ready to get started with your search, think about WebFX, one of the best SEO firms in the U.S. for small-to-midsized businesses (SMBs).

Learn how you can grow your company with SEO by browsing our SEO plans now. You can also contact us online (or reach us by phone at 888-601-5359) to speak with a strategist one-on-one about your company's SEO needs!

Learn more about SEO agencies, services, pricing, and industry tips!