Top 100 SEO Agencies in Seattle

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Top 100 SEO Agencies in Seattle

The Best of December 2025

Looking for a top SEO firm in Seattle?

Investing in SEO is important for business growth. To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Seattle. 

List of the Best Seattle SEO Agencies

  • 31
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Seattle, WA

    Defined Digital Marketing is a small digital marketing group founded in 2010 to provide web design, digital strategy, and SEO to small businesses in various industries. They're based out of Seattle and have a team of about 5 people.

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    Clients

    33Floors

    Industries

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  • 32
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Seattle, WA

    iLocal, Inc. is a web design and SEO services firm located in Seattle, Wash. Founded in 2009, iLocal, Inc. is comprised of fewer than 5 employees. iLocal, Inc. focuses on web design with a Joomla specialization, as well as search engine optimization. 

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    Clients

    Provident Electric

    Industries

  • 33
    (11 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Seattle, WA
    Fortuna Media Group is a Seattle, Washington-based artificial intelligence company. The midsize firm was launched in 2020. Their team provides Artificial Intelligence, Social Media Marketing, Search Engine Optimization, Web Development, and more.
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    Industries

  • 34
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.5
    Undisclosed
    2 - 9 employees
    Seattle, WA

    Perception Builder is a small conversion optimization company in Seattle, Washington. Established in 2011, the team focuses on conversion optimization, search engine optimization, ux/ui design, and web development.

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    Industries

  • 35
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Kirkland, WA

    TGroup Marketing Method, a digital strategy company, was founded in 2011. They are in Kirkland, Washington and have a small team. TGroup Marketing Method specializes in digital strategy, content marketing, email marketing, other digital marketing, and more.

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    Industries

  • 36
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Bellevue, WA

    Truu Digital, a website development company, was established in 2012. The small Bellevue, Washington-based team provides web development, conversion optimization, CRM consulting and SI, digital strategy, and more.

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    Industries

  • 37
    (8 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.4

    Value

    4.4

    Would Recommend

    4.6
    $5,000+
    2 - 9 employees
    Seattle, WA

    Content Harmony is a content marketing agency located in Seattle. Founded in 2012, they provide services for search marketing, content management, and online business development. Content Harmony has about 35 employees and a range of clients, from startups to enterprises.   

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    Industries

  • 38
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Seattle, WA

    Strategies 360 is a public relations and strategic positioning firm headquartered in Seattle, Wash. The firm has 12 satellite offices scattered along the West Coast, as well as one in Washington, D.C. Strategies 360 was founded in 2004 and has around 100 employees. In addition to PR, Strategies 360 offers many other services, including web design, UX/UI design, search engine optimization, and more. The majority of its clients are in government and business services.

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    Industries

  • 39
    (3 Reviews) 4.7

    Timeliness

    4.3

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.7
    $100,000+
    250 - 999 employees
    Seattle, WA

    AMP Agency was founded in Boston in 1995 and has grown to more than 400 employees in Los Angeles, New York, Seattle, and Austin, Texas. AMP Agency serves mainly enterprise clients on web design and development, UI/UX design, SEO, PPC, and social media marketing.

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    Clients

    Hasbro

    Industries

  • 40
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Edmonds, WA
    Hummingbird Marketing Services, a SEO company, offer Search Engine Optimization and Web Design. They were founded in 2015.
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    Industries

  • 41
    (4 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    4.9
    $5,000+
    2 - 9 employees
    Seattle, WA

    Based in Seattle, Radically Distinct is a strategic brand marketing agency. Since 2012, their small team of 4 has been specializing in a variety of projects including branding, marketing strategy, social media marketing, and content marketing. 

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    Clients

    JorgensenFM

    Industries

  • 42
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Seattle, WA

     Headquartered in Seattle, Maintaingo is a development agency and site support service. The company was founded in 2016 and has under 10 employees. They specialize in web development, e-commerce, design, and SEO. 

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    Clients

    Institute for Systems Biology
  • 43
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Seattle, WA

    Totera Inc. Is a small web design agency. The Port Townsend, Washington-based firm was established in 1999. Their team focuses on web design, web development, branding, and search engine optimization.

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    Industries

  • 44
    (7 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Redmond, WA

    Designify is a web agency based in Redmond, Wash., and founded in 2017. With no more than 50 members, they specialize in web development, web design, and SEO solutions for small and mid-market businesses in the fields of business services, consumer products, and e-commerce.

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    Clients

    Startline

    Industries

  • 45
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Seattle, WA
    Brandow Digital is a SEO agency. Located in Seattle, Washington, their team provides Search Engine Optimization and Email Marketing.
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    Industries

  • 46
    (2 Reviews) 4.0

    Timeliness

    4.0

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    Redmond, WA

    Heinz Marketing is a B2B marketing agency located in Redmond, Wash. They were founded in 2008 and primarily serve midmarket and small businesses. Heinz Marketing has about 92 employees that do content marketing, SEO, and email marketing. 

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    Clients

    MarketLeader

    Industries

  • 47
    (5 Reviews) 4.2

    Timeliness

    4.3

    Service Excellence

    4.2

    Value

    4.1

    Would Recommend

    4.1
    $5,000+
    50 - 249 employees
    Bremerton, WA

    CI Web Group is a digital marketing agency founded in 2006 and based in Plano, Texas. The team of about 25 specializes in web design and search engine optimization, but also provides many other digital marketing services.

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    Clients

    Trinity Home Services

    Industries

  • 48
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Seattle, WA

    Flying Start Marketing is a Seattle, Washington-based digital strategy company. The small firm was founded in 2021. Their team offers digital strategy, social media marketing, content marketing, email marketing, and more.

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  • 49
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Burien, WA
    Sandcastle Web Design and Development is a software development company established in 1998. The team specializes in Custom Software Development and Mobile App Development.
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    Clients

    Aviation Supplies & Academics Cevala / Brandvia Allegiant Commercial Asset Services Group

    Industries

  • 50
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Salt Lake City, UT
    AIM Digital Agency , a digital strategy company, was founded in 2018. The small team specializes in digital strategy, social media marketing, conversion optimization, search engine optimization, and more. The firm is in Salt Lake City, Utah; Daly City, California; Phoenix, Arizona and Seattle, Washington.
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  • 51
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Bothell, WA
    Autus Digital Agency is a SEO agency. Their midsize team is in San Jose, California; Toronto, Canada and Bothell, Washington. The company focuses on Search Engine Optimization, Social Media Marketing, Web Design, and Web Development.
    Read More

    Industries

  • 52
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Seattle, WA
    SKY FEATHER STUDIOS is an Advertising company. They are in Seattle, Washington and have a small team. The firm specializes in Advertising, Branding, Direct Marketing, Media Planning & Buying, and more.
    Read More

    Industries

  • 53
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Seattle, WA

    Steelsmith Haus LLC is an internet marketing agency in Seattle. Founded in 2010, Steelsmith Haus has about 8 employees that work with a range of clients. Services include SEO, content marketing, web design, and email marketing services.

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    Clients

    StacheClip

    Industries

  • 54
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Seattle, WA
    Spark Digital, a SEO agency, was established in 2009. Their midsize team is located in Los Angeles, California; New York, New York; Dallas, Texas and Seattle, Washington and provides search engine optimization, e-commerce development, social media marketing, email marketing, and more.
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  • 55
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Bellevue, WA
    FreeGren Digital Marketing is a SEO services firm. Their small team is located in Bellevue, Washington and specializes in Search Engine Optimization. The firm was established in 2017.
    Read More

    Industries

  • 56
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Seattle, WA
    6MG SEO, a SEO services firm, was established in 2018. The team offers Search Engine Optimization.
    Read More
  • 57
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Seattle, WA
    Brown Box Branding is a small SEO agency headquartered in Detroit, Michigan and Seattle, Washington. The team provides Search Engine Optimization and Web Design.
    Read More

    Industries

  • 58
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Kenmore, WA
    HomeCare Marketers is a small SEO services firm. Launched in 2010, the team specializes in Search Engine Optimization and Web Design.
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    Clients

    Advance Choice Home Care

    Industries

  • 59
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Seattle, WA
    Outburst Marketing, a SEO company, was established in 2021. Their small team is in Seattle, Washington and offers search engine optimization, content marketing, conversion optimization, and digital strategy.
    Read More

    Industries

  • 60
    (15 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Seattle, WA

    Out of Business - Astash Web Design and Marketing is a branding agency founded in 2018. Their small team is located in Denver, Colorado; Fort Collins, Colorado; San Diego, California and Las Vegas, Nevada and specializes in Branding, Social Media Marketing, Search Engine Optimization, Pay Per Click, and more.

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    Industries

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