Explore the Best SEO Companies & Services

With this list of the best search engine optimization (SEO) services, your business can find the perfect partner for growing your rankings, traffic, and revenue from search. Discover the best SEO companies in the world now!

The world’s top SEO companies

When it comes to SEO agencies, you have choices. Below, you’ll find a summary of the top SEO companies in the world, from the United States to India to the United Kingdom. Learn more about each SEO firm below — and then keep reading to learn why they’re one of the top SEO agencies.

Rankings as of May 2023

WebFX

Ranking: Best SEO company in the U.S.

SEO services: National, local, ecommerce, and enterprise SEO, plus SEO audits

Location: Pennsylvania, USA

Employees: 250-999

SEO Checker score: 88

Reviews: https://clutch.co/profile/webfx

The SEO Works

Ranking: Best SEO company in the U.K.

SEO services: National and local SEO

Location: Sheffield, United Kingdom

Employees: 10-49

SEO Checker score: 76

Reviews: https://clutch.co/profile/seo-works

Tokyo Marketing

Ranking: Best SEO company in Japan

SEO services: International SEO

Location: Chiba, Japan

Employees: 2-9

SEO Checker score: 61

Reviews: hhttps://clutch.co/profile/tokyo-marketing

Simpliza

Ranking: Best SEO company in Italy

SEO services: SEO consulting, plus SEO audits

Location: Rome, Italy

Employees: 2-9

SEO Checker score: 65

Reviews: https://clutch.co/profile/simpliza

Angora Media

Ranking: Best SEO company in Israel

SEO services: International SEO, SEO consulting, technical SEO audits, penalty recovery, and more

Location: Ramat Gan, Israel

Employees: 10-49

SEO Checker score: 77

Reviews: https://clutch.co/profile/angora-media

SEOtonic

Ranking: Best SEO company in India

SEO services: National and local SEO

Location: Bhopal, India

Employees: 10-49

SEO Checker score: 76

Reviews: https://clutch.co/profile/seotonic-web-solutions

High Voltage SEO

Ranking: Best SEO company in Germany

SEO services: National SEO, international SEO, SEO consulting

Location: Berlin, Germany

Employees: 10-49

SEO Checker score: 68

Reviews: https://clutch.co/profile/high-voltage-seo/

seoplus+

Ranking: Best SEO company in Canada

SEO services: National SEO

Location: Ottawa, Canada

Employees: 10-49

SEO Checker score: 72

Reviews: https://clutch.co/profile/seoplus

SIXGUN

Ranking: Best SEO company in Australia

SEO services: International and local SEO, plus Google penalty assistance

Location: Melbourne, Australia

Employees: 10-49

SEO Checker score: 79

Reviews: https://clutch.co/profile/sixgun

[Summary] Best SEO companies and services

Country SEO Agency LocationEmployeesSEO Checker Score*
United States

WebFX

Pennsylvania, USA250-99988
United Kingdom

The SEO Works

Sheffield, U.K.10-4976
Japan

Tokyo Marketing

Chiba, Japan2-961
Italy

Simpliza

Rome, Italy2-965
Israel

Angora Media

Gan, Israel10-4977
India

SEOtonic

Bhopal, India10-4976
Germany

High Voltage SEO

Berlin, Germany10-4968
Canada

seoplus+

Ottawa, Canada10-4972
Australia

SIXGUN

Melbourne, Australia10-4979

*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).

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“We measure our success by how much we WOW our clients.”

Bill Craig

WebFX President

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!

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