Find the right conversion optimization agency in Columbus, Ohio, to help you maximize your online potential. DesignRush showcases agencies that have partnered with leading brands like Thomson Reuters and Sony. With over 100,000 client-agency matches made each month and 40,000+ vetted agencies, you can trust our platform to guide you in making the best choice for your business. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Columbus Conversion Rate Optimization Agency Rankings

12 Companies - Rankings updated: June 30, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

United States × Ohio × Columbus ×
  • Think Web. Think Smart. Partner With the #1 Rated Digital Marketing Agency.

    Outsmart the competition with best-in-class digital marketing services. With over 1,000 5-star reviews online, SmartSites is America #1 rated digital marketing agency. Call (201) 870 6000 for a free consultation. Get more traffic. Acquire more customers. Sell more stuff. SmartSites works for you.  [... see all SmartSites reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Portfolios Count
    4 Projects Listed

    SmartSites Services

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Email Marketing
    • Web Design
    • Web Development
    • Advertising
    • eCommerce
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • A&A Thermal Spray
    • AGA Truck Parts
    • Agape Health and Wellness
    • Agile Data Sites
    Data sourced from the agency's DesignRush profile

    SmartSites Reviews & Testimonials

    • Paloma Anguiano
      Paloma Anguiano Content Manager at JP Pierre, LLC.
      5.0

      Digital Services Review from Paloma Anguiano

      Overall I feel very confident working with Patrizia and Darius from Smart Site, they have given us clear explanations and accompanied us throughout the process for the growth of the brand. The attention to us is very fast and they advise us in an adequate way.

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    • Brianna Porter
      Brianna Porter Chief Operating Officer at The Ryan Law Group
      5.0

      Digital Services Review from Brianna Porter

      SmartSites impressed me from day one. They are knowledgable, kind, and most importantly keep things simple and streamlined so that even an SEO-newb like me can understand. Tiffany and Luna are my main points of contact and they are especially great! I would recommend to anyone looking for an agency to really take their website and digital presence to the next level.

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    • Jim Curry
      Jim Curry Owner at Royale Coffee Co.
      5.0

      PPC Review from Jim Curry

      At first, a survey was conducted to gather company background, product information, target markets, etc. Next, accounts were established on various Google Business platforms, social media, etc. Then SmartSites created the ads and campaigns, and we were off and running in just a few weeks.

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    Reviews verified by DesignRush and sourced from the agency's profile
  • 5-Time SEO Agency of the Year. [Named 2024 SEO Agency of the Year by Search Engine Land]

    HigherVisibility is a digital marketing agency that helps businesses grow through SEO, Paid Search, Paid Social, CRO, and Web Development. We work with a wide range of clients, from small and mid-sized businesses to franchises and multi-location enterprises, delivering strategies that drive results.  [... see all HigherVisibility reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

    HigherVisibility Services

    • SEO
    • Digital Marketing
    • Social Media Marketing
    • PPC
    • Advertising
    • Email Marketing
    • eCommerce
    • CRO
    • Web Development
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Caliber Collision
    • BBQGuys
    • Warner Bros
    • Ebay
    • Orangetheory Fitness
    • Hotworx
    • Ziebart
    • Allied Van Lines
    • Newegg
    • Fitness 19
    Data sourced from the agency's DesignRush profile

    HigherVisibility Reviews & Testimonials

    • Michael Brumleve
      Michael Brumleve CEO at Brumleve Industries
      5.0

      SEO Review from Michael Brumleve

      We have used HigherVisibility now going on 3 years. Our SEO rankings and eCommerce sales have been fantastic over that time span. More than I could [have] anticipated. This team knows what they are doing in the complex SEO and PPC world and are a huge asset to us. 3 years ago, we had basically 0 online presence. Now, we are consistently ranking #1 on Google for our best-selling products. (Verified via email)

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    • Jason Lewin
      Jason Lewin CMO at American Paper Optics
      5.0

      SEO Review from Jason Lewin

      Have been working with [HigherVisibility] for years, and the quality of their work just keeps getting better. Always there when you need them. Would definitely recommend! (Verified via email)

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    • Ed Stephens III
      Ed Stephens III Pastor at Golden Gate Cathedral
      5.0

      Digital Marketing Review from Ed Stephens III

      HigherVisibility provided solutions to our problems. They are reliable and effective. We love working with Gracie. You can’t beat stellar customer service.

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    Reviews verified by DesignRush and sourced from the agency's profile
  • Design. Rank. Grow | Award Winning Digital Marketing Agency

    Design. Rank. Grow | Award Winning Digital Marketing Agency

    Veteran-owned digital marketing agency based in San Antonio, TX. We offer local SEO, GEO, PPC, web design, and social media marketing that ranks on Google and AI platforms like ChatGPT and Claude. Named one of America's Best digital marketing companies by Forbes. Call us for a free consultation now!  [... see all Funnel Boost Media reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
  • Top Rated SEO Agency by Forbes, USA Today, Backlinko, & Search Engine Land

    Top Rated SEO Agency by Forbes, USA Today, Backlinko, & Search Engine Land

    Searchbloom is an award-winning, performance-driven digital marketing firm specializing in SEO, PPC, and CRO. We build custom strategies around business models and margins, execute under one roof, and stay accountable to measurable revenue focused results for mid market and enterprise brands.  [... see all Searchbloom reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
  • Top-Rated PPC & Digital Marketing Agency Focused on Driving Results

    Top-Rated PPC & Digital Marketing Agency Focused on Driving Results

    We've done thousands of audits and discovered that 76% of marketing budgets are wasted. We'll show you where yours is leaking and how to fix it fast. No fluff. No strings attached.  [... see all Disruptive Advertising reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • Shopify Plus agency - Small US-based team of experts building amazing things with Shopify.

    Shopify Plus agency - Small US-based team of experts building amazing things with Shopify.

    Gapstow is your U.S.-based Shopify partner, offering custom development, strategic guidance, and fractional eCommerce leadership to brands. Let us fuel your brand's growth, streamline your eCommerce operations, and deliver the agile, personalized support you need every step of the way.  [... see all Gapstow reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • Digital Marketing That Drives Results® - WebFX®

    Digital Marketing That Drives Results® - WebFX®

    Our team of digital marketing experts has a proven track record of delivering successful campaigns that drive results for B2B enterprises. Contact us today to optimize your marketing strategy!  [... see all WebFX reviews ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    500 - 999
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    10 Projects Listed
  • Grow Faster With Revenue-Driven Experimentation.

    Grow Faster With Revenue-Driven Experimentation.

    Northpeak is the pinnacle of growth marketing and Conversion Rate Optimization, specializing in SaaS, startups, B2B software, and eCommerce. With a data & design-first approach, we've guided client revenues from zero to 7-figures, scaling companies and working with Fortune 500 names.  [... view Northpeak profile ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $135/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • We Help Businesses Improve Their Sales and ROI via Customized SEO, Web Design, and PPC Strategies

    We Help Businesses Improve Their Sales and ROI via Customized SEO, Web Design, and PPC Strategies

    Sixth City Marketing taps into the vast potential of your website to improve your online presence. Through our unique hands-on approach, we listen, understand, and then act, ensuring you get optimal results and ROI. See what our data-driven marketing services can do for your business today.  [... view Sixth City Marketing profile ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Get Your Digital Marketing Rolling.

    Get Your Digital Marketing Rolling.

    Search engine marketing firm specializing in SEO, PPC, and Paid Social Advertising designed to drive more traffic, leads, sales and/or brand exposure.  [... view Two Wheels Marketing profile ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • More Leads. More Customers. More Revenue.

    More Leads. More Customers. More Revenue.

    Fullsight helps small to medium-sized businesses in Columbus attract a steady flow of customers and increase revenue with expert web design, traffic generation, and engaging ads - without the stress of marketing.  [... view Fullsight Agency profile ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • From Clicks to Triumphs

    From Clicks to Triumphs

    A leading conversion rate optimization agency combining A/B testing, UX research, and digital psychology to enhance website performance. With a focus on experimentation and personalization, the agency drives measurable growth and revenue for its clients.  [... view Digivitals profile ]

    Top Services:

    • CRO
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000

About The Author and Expert Reviewer

Natasa Glikman is an experienced editor and content writer with over 10 years of experience in writing, editing, and translating articles across various topics, with a strong focus on marketing and advertising. At DesignRush, Natasa currently works as an editor, where she refines and enhances B2B content to ensure accuracy, clarity, and consistency across agency profiles and industry reports.

Mariana Delgado is the Head of Marketing at DesignRush, with more than ten years of experience across digital marketing, sales management, search, and video advertising. Since joining DesignRush, she has delivered 3× site-traffic growth and 2× growth in monthly revenue by building scalable, performance-led programs that connect acquisition, content, and brand across channels. Her campaigns have achieved a 5:1 ROAS.