Top Search Engine Marketing (SEM) Agencies
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$1,000+$100 - $149 / hr250 - 999Paramus, NJServices provided
See all 340 projectsSmartSites is a digital marketing agency specializing in SEO, search engine marketing, and website optimization services. Their clients frequently commend their project management and responsiveness, with notable mentions of team members like Javier, Brandi, and Darius for their expertise and dedication. With over 90% positive feedback, reviewers consistently highlight improved online visibility, increased traffic, and enhanced website rankings as key outcomes.
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UndisclosedUndisclosedFreelancer
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Marketing Toolbox Suite, a small Market Research company, is in Madrid, Spain. The team provides Market Research and Social Media Marketing.
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UndisclosedUndisclosedFreelancerCanton, CT
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McNulty Marketing is a Content Marketing company. Headquartered in Canton, Connecticut, their small team offers Content Marketing and Search Engine Optimization. The agency was founded in 2023.
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UndisclosedUndisclosedFreelancerGilbert, AZ
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Max Romulus Marketing is a Gilbert, Arizona-based branding firm. Their services include Branding and Social Media Marketing.
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UndisclosedUndisclosedFreelancerPamplona, Spain
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Navarra Marketing is a social media marketing company. Their team is based in Pamplona, Spain. The firm specializes in Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosedFreelancer
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Pleiades Projectworks, LLC is a Marketing Strategy company. The Boise, Idaho-based company was launched in 2022. Their services include Marketing Strategy and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerAshburn, VA
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Qualify LLC is an Advertising company established in 2019. The small team focuses on Advertising and Digital Strategy.
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UndisclosedUndisclosedFreelancerLondon, England
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Established in 2020, Red Balloon is a small social media marketing firm. Their team offers Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerAnnandale, Australia
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Red SEO is a branding firm. They are located in Annandale, Australia and have small team. They offer Branding and Social Media Marketing.
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UndisclosedUndisclosedFreelancer
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Sean Mapes Digital Marketing, a Digital Strategy company, was established in 2016. The team offers Digital Strategy and Social Media Marketing and is headquartered in Traverse City, Michigan.
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UndisclosedUndisclosedFreelancerSan Francisco, CA
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Search Manipulator, a public relations company, is located in San Francisco, California. Their services include Public Relations and Digital Strategy.
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UndisclosedUndisclosedFreelancerNorth Port, FL
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SecondEffort is a Content Marketing company. Established in 2000, the team offers Content Marketing and Search Engine Optimization. The agency is based in North Port, Florida.
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UndisclosedUndisclosedFreelancerKiel, Germany
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SEO Agentur Kiel 24 is a social media marketing firm. Headquartered in Kiel, Germany, the company was founded in 2025. Their team provides Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerDen Haag, Netherlands
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Connect your World is a Content Marketing company. They offer Content Marketing and Search Engine Optimization and were established in 2018.
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UndisclosedUndisclosedFreelancerStreetsboro, OH
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Branding company Shaffer Branding Co. Is based in Streetsboro, Ohio. They provide Branding and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerKöln, Germany
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Small Conversion Optimization company Silvan Mundorf Internet Marketing, is based in Köln, Germany. Their services include Conversion Optimization and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerFranklin, TN
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Source Local Media, a SEO agency, specializes in Search Engine Optimization and Pay Per Click. The agency is based in Franklin, Tennessee.
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UndisclosedUndisclosedFreelancerMansfield, TX
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SPF Solutions, LLC is a social media marketing company. The Mansfield, Texas-based agency specializes in Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerEl Paso, TX
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Success Rocket Marketing is a social media marketing company. They are headquartered in El Paso, Texas, and their services include Social Media Marketing and Email Marketing.
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UndisclosedUndisclosed50 - 249Dallas, TX
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The it Crowd Marketing is a branding firm launched in 2014. The agency provides Branding and Market Research.
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UndisclosedUndisclosedFreelancerCity of London, England
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Trafiki Ecommerce Marketing is a social media marketing company. They are located in City of London, England. Their team offers Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerDaytona Beach, FL
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Website SEO Florida, a social media marketing agency, focus on Social Media Marketing and Search Engine Optimization. They were founded in 1999.
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UndisclosedUndisclosedFreelancerValparaiso, IN
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Valpo Agency is a small Digital Strategy company launched in 2013. Their services include Digital Strategy and Content Marketing.
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UndisclosedUndisclosedFreelancerTallinn, Estonia
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Velsio Digital is a small Tallinn, Estonia-based Marketing Strategy company. The team specializes in Marketing Strategy and Social Media Marketing.
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UndisclosedUndisclosed50 - 249Jaipur, India
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Verve Logic is a branding agency. The Jaipur, India-based company was established in 2011. Their services include Branding and Marketing Strategy.
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UndisclosedUndisclosedFreelancer
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Web Pulse Media, a Marketing Strategy company, offer Marketing Strategy and Social Media Marketing. They were launched in 2024.
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UndisclosedUndisclosedFreelancerParkland, WA
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Headquartered in Parkland, Washington, Web Trending Solutions is a small social media marketing firm. The team focuses on Social Media Marketing and Mobile & App Marketing.
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UndisclosedUndisclosedFreelancerDillon, CO
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SEO company Webez.net specializes in Search Engine Optimization and Pay Per Click. They are headquartered in Dillon, Colorado.
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UndisclosedUndisclosed10 - 49
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Flair First, a SEO company, was founded in 2016. The team focuses on Search Engine Optimization and Social Media Marketing and is headquartered in Cambridge, Massachusetts.
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UndisclosedUndisclosed10 - 49
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Lytron Marketing Agency is a branding firm. The company is headquartered in Fort Lauderdale, Florida. Their team provides Branding and Marketing Strategy.
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$1,000+$25 - $49 / hr2 - 9Dublin, Ireland
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See all 9 projectsseoplan.co is an SEO agency specializing in enhancing online visibility and website ranking through tailored search optimization services. Clients consistently praise their professionalism, expertise, and data-driven strategies, resulting in significant improvements in search engine rankings and digital visibility. Approximately 100% of reviewers highlight seoplan.co's exceptional communication and project management, emphasizing their ability to deliver on time and exceed expectations.
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$10,000+$150 - $199 / hr2 - 9Rothersthorpe, England
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Launched in 2013, 3zero Business Ltd is a small Rothersthorpe, England-based web design company. Their services include Web Design and Web Development.
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$10,000+$150 - $199 / hr2 - 9Bournemouth , England
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LexisClick Online Marketing is a web design company based in Bournemouth , England. The team focuses on Web Design and Search Engine Optimization.
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$10,000+$150 - $199 / hr2 - 9
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ATB Creative is a web design company launched in 2013. The company provides Web Design and Web Development.
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$5,000+$100 - $149 / hr2 - 9San Antonio, TX
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Social Media SA is a SEO services firm. Headquartered in San Antonio, Texas, the agency was launched in 2015. Their team offers Search Engine Optimization and Web Design.
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$5,000+$100 - $149 / hr2 - 9
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D6 Interactive is a web design agency. Founded in 2009, the company is headquartered in Dallas, Texas. Their services include Web Design and Web Development.
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$5,000+$100 - $149 / hr2 - 9
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Graphic design agency Key Element Media was founded in 2003. Based in Rockwall, Texas, the team provides Graphic Design and Web Design.
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$10,000+$150 - $199 / hr2 - 9Southend-on-Sea, England
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Founded in 2012, Paperback Designs Ltd is a web design agency. The agency provides Web Design and E-Commerce Development, and is small.
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$10,000+$150 - $199 / hr2 - 9Groby, England
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Hyphen Marketing is a branding company headquartered in Groby, England. They specialize in Branding and Web Design.
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$10,000+$150 - $199 / hr2 - 9Leeds, England
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Branding company Make It Happen Marketing was founded in 2012. The small team offers Branding and Other Digital Marketing.
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$10,000+$150 - $199 / hr2 - 9Great Yarmouth, England
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Onestop Webshop is a small e-commerce development firm. Founded in 2013, the team specializes in E-Commerce Development and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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Vab Media is a Content Marketing company founded in 2007. Their services include Content Marketing and Social Media Marketing.
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$5,000+$100 - $149 / hr2 - 9San Antonio, TX
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Located in San Antonio, Texas, Clearpath Marketing, Inc. Is a Conversion Optimization company. They provide Conversion Optimization and Graphic Design and were founded in 2013.
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$5,000+$100 - $149 / hr2 - 9Boston, MA
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Hide & Seek Media, a small web design company, is headquartered in Boston, Massachusetts. Their services include Web Design and Web Development.
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$10,000+$150 - $199 / hr2 - 9Altrincham, England
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UK Website Workshop Ltd is an Advertising company. The Altrincham, England-based agency was established in 2008. Their services include Advertising and Search Engine Optimization.
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$10,000+$150 - $199 / hr2 - 9George Yd, England
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Social You Limited, an e-commerce development company, was founded in 2014. The team focuses on E-Commerce Development and Search Engine Optimization and is in George Yd, England.
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$10,000+$150 - $199 / hr2 - 9Sheffield, England
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Introspective is an application development firm. Founded in 1991, their team offers Mobile App Development and Web Design.
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$10,000+$150 - $199 / hr2 - 9Bristol , England
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Satsuma Media Ltd is an e-commerce development company located in Bristol , England and London , England. Their services include E-Commerce Development and Mobile App Development.
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$10,000+$150 - $199 / hr2 - 9Pardubice, Czech Republic
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Headquartered in Pardubice, Czech Republic, MAXX Creative Communication is an Advertising company. They provide Advertising and Graphic Design.
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$5,000+$100 - $149 / hr2 - 9Alpharetta, GA
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Advertising company Ruby Moon Consulting provides Advertising and Search Engine Optimization. They are in Alpharetta, Georgia.
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$5,000+$100 - $149 / hr2 - 9Ankeny, IA
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Launched in 2011, Be Always Marketing is a web design company. Their services include Web Design and Search Engine Optimization.
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We evaluate service providers using a structured methodology that combines:
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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Compare Top 15 Search Engine Marketing (SEM) Agencies
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$1,000+$100 - $149 / hr250 - 999Paramus, NJ
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Search Engine Optimization30% Pay Per Click20% Other -
$1,000+$100 - $149 / hr50 - 249Costa Mesa, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Search Engine Optimization60% Pay Per Click30% Other -
$1,000+$150 - $199 / hr50 - 249Toronto, Canada
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
70% Search Engine Optimization20% Pay Per Click10% Other -
$5,000+$100 - $149 / hr50 - 249Pleasant Grove, UT
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Search Engine Optimization70% Pay Per Click20% Other -
$1,000+$100 - $149 / hr250 - 999Colorado Springs, CO
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
60% Search Engine Optimization20% Pay Per Click20% Other -
$1,000+$150 - $199 / hr250 - 999Copley, OH
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Search Engine Optimization25% Pay Per Click30% Other -
$10,000+$100 - $149 / hr250 - 999San Diego, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
40% Search Engine Optimization10% Pay Per Click50% Other -
$5,000+$150 - $199 / hr50 - 249Marion, IL
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$1,000+$100 - $149 / hr50 - 249Los Angeles, CA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Search Engine Optimization55% Pay Per Click10% Other -
$1,000+$25 - $49 / hr250 - 999Arlington Heights, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Search Engine Optimization40% Pay Per Click20% Other -
$1,000+$50 - $99 / hr50 - 249Odesa, Ukraine
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Search Engine Optimization30% Pay Per Click10% Other -
$1,000+$100 - $149 / hr10 - 49Draper, UT
Ability to deliver
39.6/40.020/20 Reviews9.9/10 Clients & Experience9.7/10 Market PresenceService focus
55% Search Engine Optimization35% Pay Per Click10% Other -
$1,000+$100 - $149 / hr10 - 49Oklahoma City, OK
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
90% Search Engine Optimization10% Pay Per Click -
$1,000+$100 - $149 / hr50 - 249Bel Air, MD
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
20% Search Engine Optimization50% Pay Per Click30% Other -
$1,000+$100 - $149 / hr10 - 49Boca Raton, FL
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
80% Search Engine Optimization10% Pay Per Click10% Other -
$1,000+$150 - $199 / hr10 - 49New York, NY
Ability to deliver
39/40.020/20 Reviews9.6/10 Clients & Experience9.5/10 Market PresenceService focus
10% Search Engine Optimization80% Pay Per Click10% Other -
$1,000+$100 - $149 / hr50 - 249Chicago, IL
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Search Engine Optimization25% Pay Per Click5% Other -
$1,000+$50 - $99 / hr50 - 249San Antonio, TX
Ability to deliver
38.9/40.020/20 Reviews9.2/10 Clients & Experience9.6/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$5,000+$100 - $149 / hr10 - 49Toronto, Canada
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$5,000+Undisclosed10 - 49New York, NY
Ability to deliver
38.7/40.019.6/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
10% Search Engine Optimization90% Pay Per Click -
$1,000+$50 - $99 / hr50 - 249Los Angeles, CA
Ability to deliver
38.6/40.020/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
70% Search Engine Optimization10% Pay Per Click20% Other -
$1,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.5/40.020/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
80% Search Engine Optimization10% Pay Per Click10% Other -
$1,000+< $25 / hr1,000 - 9,999Ahmedabad, India
Ability to deliver
38.5/40.020/20 Reviews8.8/10 Clients & Experience9.6/10 Market PresenceService focus
25% Search Engine Optimization10% Pay Per Click65% Other -
$1,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
Ability to deliver
38.4/40.019/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
55% Search Engine Optimization15% Pay Per Click30% Other -
$1,000+$100 - $149 / hr10 - 49Tampa, FL
Ability to deliver
38.3/40.018.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
70% Search Engine Optimization30% Pay Per Click -
$1,000+$100 - $149 / hr50 - 249Lehi, UT
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
75% Search Engine Optimization25% Pay Per Click -
$1,000+$100 - $149 / hr250 - 999Odesa, Ukraine
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Search Engine Optimization30% Pay Per Click30% Other -
$1,000+$25 - $49 / hr10 - 49Chernihiv, Ukraine
Ability to deliver
37.9/40.018.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
90% Search Engine Optimization10% Pay Per Click -
$5,000+$100 - $149 / hr10 - 49Calgary, Canada
Ability to deliver
37.7/40.020/20 Reviews10/10 Clients & Experience7.7/10 Market PresenceService focus
45% Search Engine Optimization40% Pay Per Click15% Other -
$5,000+$100 - $149 / hr50 - 249Huntington, NY
Ability to deliver
37.7/40.018.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Search Engine Optimization60% Pay Per Click20% Other
Top Search Engine Marketing (SEM) Agencies
An SEM company plans, launches, and manages paid search campaigns on platforms such as Google Ads, Microsoft Advertising, and Amazon. Their specialists research high-value keywords, write ad copy, set up audience targeting, adjust bids in real time, and run A/B tests to maximize return on ad spend (ROAS). They also track conversions, deliver performance reports, and provide strategic recommendations that align with your wider digital marketing objectives.
Most agencies deliver an end-to-end suite that can include:
- Keyword research & competitive analysis
- Campaign setup (Search, Shopping, Display, YouTube)
- Bid management and budget pacing
- Ad copywriting and creative testing
- Landing-page optimization
- Remarketing and audience segmentation
- Conversion tracking and analytics integration
Some firms also bundle complementary channels, such as programmatic display or social PPC, to create a unified digital marketing strategy.
SEM engagements usually fall between $3,000–$20,000 per month, but pricing scales with ad spend, account complexity, and service level. Smaller businesses might work with an agency on a management-fee model (e.g., 10%–20% of monthly media spend), while enterprises often negotiate flat retainers or performance-based contracts. Always ask for a clear breakdown of management fees versus ad budget before signing.
Start by defining your KPIs, such as lead volume, e-commerce revenue, or customer acquisition cost. Then:
- Review case studies in your industry.
- Check Clutch client reviews for transparency, communication, and results.
- Compare pricing models (percentage of spend, flat fee, or hybrid).
- Request a campaign audit or strategic roadmap to gauge expertise.
Selecting a partner whose reporting cadence and collaboration style match your internal workflow will set the engagement up for success.
- “Guaranteed #1 ranking” claims (ad position depends on auction dynamics).
- Lack of access to the ad account or data ownership.
- Vague reporting that focuses on clicks instead of revenue-driven metrics.
- One-size-fits-all strategies with minimal keyword research.
- Slow or inconsistent communication during the sales process.
- How will you structure our campaigns and why?
- Which metrics will you report on weekly and monthly?
- What tools or automations do you use for bid management?
- Can you share a recent success story in a similar industry or budget range?
- Who will be my day-to-day point of contact, and how many accounts do they manage?
- How do you coordinate SEM with SEO and other digital marketing channels?
Agencies bring platform certifications, cross-account data, and advanced tools that small teams can’t always justify purchasing. Their experience shortens the testing cycle, reduces wasted spend, and frees internal staff to focus on broader marketing initiatives.
Freelancers are ideal for limited budgets or project-based needs. Agencies, however, provide a multidisciplinary team including strategists, copywriters, designers, and analysts that can scale campaigns quickly and cover absences without interrupting performance.