Top SEO Agencies

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Searching for a reliable SEO agency to boost your site traffic? Below are trusted SEO companies evaluated by our agency experts based on expertise, client testimonials, industry reputation, pricing models, and more. Leverage their expert knowledge and access to premium tools to rank your website higher in search, drive organic traffic, and generate quality leads. Filter them by location, reviews, size, and budget to identify the optimal match. 



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We have thoroughly evaluated over 11,300 service providers to ensure you get a thriving online presence for your business. After meticulously reviewing each agency's client feedback, pricing, portfolios, and industry experience, we have picked the best SEO agencies. In the next section, we will showcase what makes each of these agencies stand out.

The Number 1 SEO Agency as Selected by DesignRush Is:

1. Victorious

[Source: Victorious]
  • Best for: Overall
  • Average Hourly Rate: Inquire
  • Minimum Budget: $1000 - $10,000
  • Founded: 2013
  • Location: San Francisco, California
  • Notable Clients: Unionbay, Salesforce, SoFi, GoFundMe, Wayfair, GE Digital, and more

Victorious SEO, a renowned SEO firm, unlocked high-impact search results with proven strategies. It helped Unionbay, amidst a fiercely competitive market, improve rankings for specific keywords and target a younger audience to rejuvenate its brand image.

To reignite interest amongst existing customers, Victorious suggested incorporating semantically related keywords, resulting in high-converting traffic. It also tailored SEO content for this demographic, reinforcing Unionbay’s appeal to loyal followers.

For the younger audience, Victorious optimized product descriptions and pages, attracting a 115% YoY organic session increase and 200% organic revenue growth.

"Their work has been extremely effective so far, leading to significant increases in clicks on the site, over 400% increase in impressions, and over 500% increase in organic traffic. The team is thorough, dedicated, and highly skilled at what they do."
- Elizabeth Newill, Chief Creative & Digital Officer at Rank & Style

Check Victorious' Agency Reviews

2. Ignite Digital

[Source: Ignite Digital]
  • Best for: Premium SEO Strategies
  • Average Hourly Rate: Inquire
  • Minimum Budget: Inquire
  • Founded: 2008
  • Location: Mississauga, Canada
  • Notable Clients: Volpe Financial Solutions, PepsiCo, Hydro Solar, Maple Leaf, Peter Smith, and more

Ignite Digital is a passionate company dedicated to enhancing its online presence. Alongside SEO expertise, they offer digital marketing solutions, including SEM, SMM, and web development.

Volpe Financial Solutions, a family-owned brokerage specializing in wealth management and insurance services, recognized the importance of staying competitive and attracting potential clients. To achieve this, they sought Ignite Digital's expertise.

With a premium SEO strategy focused on ranking life insurance and wealth management keywords, Ignite Digital increased website traffic, improved user-friendly functionality, and generated a notable surge in leads.

As a result of Ignite Digital's efforts, Volpe Financial Solutions now maintains a prominent presence on Google's first page for targeted keywords. SEO proved to be a crucial aspect of their business, ensuring a steady influx of new clients.

"Mississauga Foot Clinic has been using Ignite Digital Services for 10 years since it started. It will continue to work with the agency because of its satisfaction with the results. The client started with no patients; now, it has more than 15,000 patients in its clinic."
- Jonathan Tomines, Clinical Director, Chiropodist at Mississauga Foot Clinic

Check Ignite Digital's Agency Reviews

3. Delante

[Source: Delante]
  • Best for: Collaborative Link-Building
  • Average Hourly Rate: $150
  • Minimum Budget: $1000 - $10,000
  • Founded: 2015
  • Location: Krakow, Poland
  • Notable Clients: Notino, Dr. Irena Eris, Best Western, Faretti, and more

Delante, an award-winning SEO/SEM Agency based in Poland, expertly enhances online visibility and drives conversions for global companies through tailored optimizations. Established in 2014, Delante thrived and now serves diverse industries in over 20 countries.

With growth from a three-person team in 2015 to 50 skilled professionals in 2019, Delante focuses on understanding each client's unique needs to develop personalized and effective strategies.

From April to December 2020, Delante supported an international online drugstore with a collaborative link-building strategy, working alongside the drugstore's internal SEO team. They analyzed data to identify suitable keywords, leading to several pages and crucial keywords securing TOP3 and TOP10 positions in search engine results.

This complemented the drugstore's internal SEO strategy, contributing to the consistent growth in visibility, website traffic, and a stable online presence for the brand.

"We are impressed with their communication skills and openness to change. Since Delante took over the project, the client's organic traffic has soared by 300%, and their visibility has risen by 430%. Their consistent excellent results led to an ongoing partnership. They are detailed, reliable, and responsible."
- Anna Potera, Project Lead at Diamond Pub & Billiards Club

Check Delante's Agency Reviews

4. LinkGraph

[Source: LinkGraph]
  • Best for: CRO Solutions
  • Average Hourly Rate: $149/hr
  • Minimum Budget: $1000 - $10,000
  • Founded: 2018
  • Location: NYC, New York
  • Notable Clients: Auto Auction Mall, eBay, The Home Depot, and more

Founded in 2018, LinkGraph specializes in technical SEO, white-label solutions, link building, and CRO for startups to enterprise organizations, driving remarkable growth. With 50+ SEO products, they've rapidly expanded.

The company's competitive advantage lies in its high-performance approach, supported by its proprietary software, SearchAtlas. This innovative tool allows LinkGraph to execute SEO at an unparalleled scale, distinguishing them from other agencies.

When Auto Auction Mall launched its new website, it sought LinkGraph's expertise for a comprehensive SEO strategy and complete site migration. The results were impressive, with a 46% surge in user traffic, an astounding 237% increase in conversion rates, and an impressive 417% boost in goal completion metrics.

"LinkGraph significantly increased our website traffic by over 200% and attracted more qualified leads. We were impressed with their professionalism and timely delivery. Our heartfelt appreciation to the industry experts behind this success."
- Von Bondie, Real Estate Advisor at Von Bondies

Check LinkGraph's Agency Reviews

5. Sure Oak

[Source: Sure Oak]
  • Best for: Proprietary Growth Strategies
  • Average Hourly Rate: $135
  • Minimum Budget: $1000 - $10,000
  • Founded: 2017
  • Location: NYC, New York
  • Notable Clients: Mercedes-Benz, GAP, American Red Cross, Milk Bar, and more

Sure Oak is a dedicated SEO and digital marketing agency focused on empowering enterprises to achieve their goals. They offer comprehensive SEO expertise and proprietary growth strategies that drive higher rankings and accelerated growth. Their specialized services, from content optimization to premium link building, enhance online visibility and drive organic traffic.

When a digital publication site faced challenges with launching a new website in a competitive landscape and encountered technical SEO issues, Sure Oak stepped in. They developed a comprehensive on-page and off-page strategy, addressed technical issues, and launched an extensive link-building campaign to establish the site as an authority.

As a result, organic traffic increased by an impressive 829% in just one month, with keyword rankings surging from 81 to 4,122, marking a remarkable 962% increase. Impressions also skyrocketed from 12,200 to 425,000, indicating significant growth of 3,384%.

"After only two months, Sure Oak’s efforts have helped increase by 60% the traffic of one of the client’s pages and by 17% the traffic of another one. The team is transparent, understanding, and helpful, and they offer tailored services to accommodate the client’s specific needs."
- Anna Kondrasheva, Senior Digital Marketing Specialist at SideChef

Check Sure Oak's Agency Reviews

6. HigherVisibility

[Source: HigherVisibility]
  • Best for: Retargeting Campaigns
  • Average Hourly Rate: Inquire
  • Minimum Budget: $1000 - $10,000
  • Founded: 2008
  • Location: Memphis, Tennessee
  • Notable Clients: Allure Bridals, Warner Bros, eBay, BBQ GUYS, and more

HigherVisibility is an award-winning digital marketing agency specializing in SEO, paid search, and social media advertising. They excel at attracting diverse brand customers, prioritizing true partnerships over mere task execution.

Collaborating with Allure Bridals, they implemented a comprehensive strategy, including exclusive trunk shows and retargeting campaigns, yielding remarkable results, including 17.19% more Paid Search sessions, a 45% increase in page views, and a 19.01% rise in assisted conversions.

Their exceptional expertise earned them the prestigious SEO Agency of the Year title by Search Engine Land, and they're featured as experts in prominent publications like Search Engine Journal, Inc, Forbes, The Huffington Post, and more.

"Client collaborated with HigherVisibility for over 7 years. It regularly met with Ericka, the account manager, who informed them of the progress. Ericka is notably responsive and exceeds expectations in addressing client inquiries. The client's company now ranks on Google's first page, surpassing even larger competitors with more resources. The client is pleased with the results and service from Ericka and HigherVisibility."
- Dr. Patricia Phan, Owner at Dental Services

Check Higher Visibility's Agency Reviews

7. Stellar SEO

[Source: Stellar SEO]
  • Best for: Custom Link-building & Blogger Outreach
  • Average Hourly Rate: $125
  • Minimum Budget: $10,000 - $25,000
  • Founded: 2012
  • Location: Nashville, Tennessee
  • Notable Clients: 4AllPromos, PracticeMatch, Rosenfeld Injury Lawyers, and more

Stellar SEO is a specialized agency that excels in tackling challenging SEO tasks. Their unique approach involves custom discovery, auditing, and planning, revealing hidden opportunities often missed by standard SEO services. They are known for top-rated custom link-building and blogger outreach services, combined with technical, site speed, and on-page SEO expertise, ensuring success in competitive industries.

After the December 2021 Core Update caused a decline in traffic and keyword rankings, Stellar SEO played a crucial role in helping 4AllPromos recover. They introduced new SEO tools and provided comprehensive guidance on their utilization, addressing the issues and implementing necessary changes.

Link building, keyword planning, and content creation led to a significant boost in domain authority and record-breaking monthly revenue from organic traffic in just two months. Stellar SEO's partnership has proven instrumental in boosting 4AllPromos' overall performance and online visibility.

"Travis and his team have grown us from 0 to 70k monthly visitors in 2 years all through white hat, compliant, well-rounded strategies. Super pleased with the service and will continue to work with Stellar SEO."
- Ed Hitchcock, Owner at Tailored Tackle

Check Stellar SEO's Agency Reviews

8. Ignite Visibility

[Source: Ignite Visibility]
  • Best for: Diverse SEO Strategies
  • Average Hourly Rate: Inquire
  • Minimum Budget: $1000 - $10,000
  • Founded: 2012
  • Location: San Diego, California
  • Notable Clients: Tony Robbins, Wedding Wire, DoorDash, 5 Hour Energy, and more

Ignite Visibility is a top digital marketing agency specializing in digital marketing strategy, SEO, paid media, social media, email marketing, creative, development, Amazon, and CRO. They serve over 160 esteemed clients, including giants like Office Depot, Tony Robbins, and Morgan Stanley, as well as smaller businesses.

Ignite Visibility provided SEO and email marketing services to a women's fashion brand. They collaborated closely with the client on keyword research and implemented different SEO and email marketing strategies.

The challenge was to recover lost SEO rankings after migrating the site to Shopify. The outcome showed significant improvements, for example, SEO traffic doubled, SEO-driven revenue more than doubled, keyword rankings increased notably, and email-driven revenue improved significantly.

"To start, I'm very happy with our manager. He is responsive and insightful. Also, the executive staff at Ignite Visibility has been supportive and provided suggestions to improve our SEO campaign. I'd be happy to give them referrals and glowing recommendations to anyone who is seeking a professional, reliable SEO team (which is not easy to come by)."
- Gabriel Shaoolian, Executive at Digital Silk

Check Ignite Visibility's Agency Reviews

9. Los Angeles SEO Inc.

[Source: Los Angeles SEO Inc.]
  • Best for: Identifying Crucial SEO Categories
  • Average Hourly Rate: $150
  • Minimum Budget: $1000 - $10,000
  • Founded: 1997
  • Location: Carlsbad, California
  • Notable Clients:, 20th Century Fox, IGN, McAffee,,, and more

Los Angeles SEO Inc., established in 1997, ranks among the top US SEO companies, guiding thousands of businesses to success. Adapting to evolving search engine algorithms, they offer cutting-edge solutions. Expanding beyond SEO, they now provide social media marketing, paid search, web design, and online brand management, delivering a holistic approach to digital marketing.

One notable case study involves their collaboration with, a major travel industry player. Seeking to outperform competitors and boost hotel reservations through their online booking engine, partnered with Los Angeles SEO Inc. The custom SEO strategy focused on crucial categories like Las Vegas hotels, golf, and shows, leading to improved rankings, reservations, and revenue.

Besides achieving remarkable results, Los Angeles SEO Inc. prioritized knowledge sharing, empowering clients to understand SEO best practices. With an unwavering commitment to excellence, Los Angeles SEO Inc. continues to drive businesses toward online success in the dynamic digital landscape.

"When seeking an SEO agency, Los Angeles SEO should be at the top of your list. Not only did they deliver the best ranking results for me ahead of schedule and within the budget, but their team is incredibly professional and friendly and provides informed, thoughtful guidance for continuing work. I couldn't be more grateful for our incredible partnership!"
- Michael Chou (Google Review)

Check Los Angeles SEO Inc's Agency Profile

10. SEO Brand

[Source: SEO Brand]
  • Best for: Combining SEO Strategies
  • Average Hourly Rate: $125
  • Minimum Budget: $1000 - $10,000
  • Founded: 2006
  • Location: Florida
  • Notable Clients: CG Mobile, Montblanc, Sotheby's, Facebook, LG, and more

SEO Brand, a seasoned interactive search marketing and development firm with 15 years of experience, specializes in customized options for customer acquisition and market share growth across various digital channels like Google, Bing, Amazon, Facebook, Twitter, and Pinterest. With a skilled team of internet professionals, they continuously expand their client base and services since 2004.

Their aggressive marketing efforts, combining SEO, SEM, and Amazon strategies, resulted in outstanding results for CG Mobile. eCommerce revenue soared by 10,215%, leading to unprecedented sales figures, demonstrating the effectiveness of SEO Brand's comprehensive marketing approach.

SEO Brand is an outstanding SEO agency offering top services in SEO, SEM, local SEO, web design, web development, social media marketing, eCommerce integration, reputation management, and more.

"Leads are up over 1500% in the last 90 days and my cost per lead is down over 75%. They have been running my campaign now for a few years and the numbers speak for themselves."
- Kevin Campbell, Managing Partner at Look Great MD

Check SEO Brand's Agency Reviews

How We Picked The Best SEO Companies

To curate the list of the top SEO agencies in 2024, we examined the agencies’ client roster, testimonials, case studies, industry reputation, team expertise, and executive management. Our team of agency experts created a scoring system to gauge their overall performance based on metrics such as:

  • Relevant SEO services catalog
  • Coverage of SEO topics on their website and other channels
  • The number of SEO projects delivered
  • The quality and diversity of portfolio and success stories
  • Notable clients and well-known brands
  • Their online reputation on DesignRush, Google, and other platforms

This qualitative process helped us narrow down the cream-of-the-crop SEO providers you can work with on your upcoming project.

Visit our DesignRush Agency Ranking Methodology page to learn more about how we picked the agencies.

10 Most Popular SEO Agencies Compared

Agency nameLocationHourly rateSizeBest for
VictoriousSan Francisco, CaliforniaInquire50 - 99Overall
Ignite DigitalMississauga, CanadaInquireUnder 49Premium SEO Strategies
DelanteKrakow, Poland$15050 - 99Collaborative Link-Building
LinkGraphNYC, New YorkInquire50 - 99CRO Solutions
Sure OakNYC, New York$135Under 49Proprietary Growth Strategies
HigherVisibilityMemphis, TennesseeInquire50 - 99Retargeting Campaigns
Stellar SEONashville, TennesseeInquireUnder 49Custom Link-building & Blogger Outreach
Ignite VisibilitySan Diego, CaliforniaInquire100 - 249Diverse SEO Strategies
Los Angeles SEO Inc.Carlsbad, CaliforniaInquireUnder 49Identifying Crucial SEO Categories
SEO BrandFlorida$125Under 49Combining SEO Strategies

SEO Agency Case Studies

Our experts have handpicked the top six SEO agencies ranked by best results, each company showcasing a variety of impressive case studies in their portfolios. Take a look at some of their most stellar projects:


[Source: Searchbloom]

ShirtSpace, an online apparel shop, approached Searchbloom with a pressing issue — its website was plagued by hundreds of thousands of URLs hosting duplicate content. This led to crawl budget problems and a lack of relevant content on most web pages. The site's architecture and URL structure also deviated from best practices, as products were not properly subcategorized.

Searchbloom solved the website's authority issues through diverse link acquisition tactics, boosting referring domains from 303 to over 860. It conducted internal and referring domain audits, removed low-quality links, and reclaimed broken inbound links. To improve relevance, it developed content briefs and optimized titles, descriptions, and headings. Additionally, it implemented URL structure changes and various technical SEO improvements for better mobile optimization and structured data markup.

The client's revenue increased by 1,839% because of the Searchbloom team's focused efforts.

Check Searchbloom's Case Studies

Incrementors Web Solutions

[Source: Incrementors Web Solutions]

Big League Shirts (BLS), a sportswear brand, turned to Incrementors Web Solutions to reach a wider audience and increase sales. BLS needed to effectively communicate its unique selling points — no minimum orders policy and 20 business days production time. In response, the agency optimized website content, meta tags, and other elements to rank BLS prominently in relevant search results. It used high-quality, informative content to showcase BLS's key offerings and value proposition.

Incrementors Web Solutions' SEO implementations demonstrated a significant boost in the clients' customer engagement, with its sales skyrocketing by 350% month-over-month (MoM).

Check Incrementors Web Solutions' Case Studies


[Source: Amsive]

Great Big Canvas, a canvas art retailer, sought Amsive's support to improve its Google accessibility. Despite offering over 300,000 products, only 13,000 of them were indexed by Google, leading to negligible search potential.

To address this issue, Amsive initiated an in-depth link audit and developed a redesign and replatforming plan to optimize the site's performance. The agency performed a massive link cleanup of over 15,000 backlinking domains to identify which potentially hinder rankings. It also improved the site architecture to boost the crawlability and implemented product schema and image alt text for all products.

The outcome of Amsive's SEO strategies was a 79% revenue increase for the client.

Check Amsive's Case Studies

Serial Scaling

[Source: Serial Scaling]

A private New England nonprofit technical school enlisted Serial Scaling's services as it faced several challenges. It had low organic traffic, fewer research and transactional keywords ranking in the top positions, and inadequate lead flow to the website which all impact enrollments.

Serial Scaling conducted keyword and topic research and crafted intent-based content which received passive links from popular sources like Wikipedia, TechCrunch, and Fortune. Additionally, the agency strategically placed calls-to-action (CTAs) along with forms on blogs and program pages to improve conversion rate optimization (CRO).

Serial Scaling's strategies resulted in a 155% increase in year-over-year (YoY) organic sessions on the client's website, with YoY leads increasing a 64%. There was also a considerable increase in the number of keywords that achieved top rankings throughout the marketing funnel.

Check Serial Scaling's Case Studies


[Source: Elit-Web]

Elit-Web took on the challenge presented by PHOTOFUNIA, an online photo editing tool, with low traffic and search engine rankings. Elit-Web's initial step was a website evaluation, along with a target audience and competitive analysis. The agency's approach included both internal and external optimization efforts. Based on the insights gathered previously, it created fresh, high-quality content and revamped the existing one.

Elit-Web's SEO initiatives nearly doubled the client's monthly traffic volumes — from 716,000 to 1,200,000 visits. Moreover, key search queries like "face swap," "face swap online," and "photo to sketch" secured prominent positions in Google's search rankings.

Check Elit-Web's Case Studies


[Source: Manta]

The Whitening Gals, the teeth whitening service provider, came to Manta to overcome challenges in search visibility and brand differentiation within a competitive market. To address these hurdles, Manta devised a strategic approach focusing on content creation and link building. It implemented an onsite blog to establish authority and enhance the client's distinctiveness.

Leveraging outreach efforts within the industry, Manta garnered 595 backlinks, marking a 145% increase from the campaign's beginning, which initially had 47 backlinks. The improvement in site authority propelled 34 of the client's keywords into Google's top ten rankings within just five months. Also, due to Manta's effective tactics, the client witnessed a 1,818% increase in monthly organic traffic.

Check Manta's Case Studies

Best SEO Company Rankings

  • Unleash Playful Marketing Magic, Just Because.
    Just Because Media is a modern marketing agency that delivers modern & Innovative solutions to modern marketing problems.  [... view the full profile of Just Because Media]
    Hartford, Connecticut
    Under 49 $50/hr Under $1,000

SEO Agency Hiring Guide

What is an SEO company?

An SEO company is a service provider that specializes in helping businesses improve their online visibility, drive qualified organic website traffic, and rank their content higher on search engine results pages (SERPs) by developing and executing on-page, technical, and off-page optimization strategies. 

How does search engine optimization work?

SEO works by finding the most useful and relevant keywords for your business, optimizing your site’s content, and earning quality backlinks. It involves various techniques like keyword research, content creation, technical, on-page, and off-page optimization, building links, local SEO, mobile SEO, and more. 

SEO efforts might take months to yield results. Plus, it’s an ever-changing field so you need to stay updated with the latest trends. You can do this either by learning the SEO essentials yourself or by hiring an SEO agency with adequate knowledge of how SEO works

What services do SEO companies provide?

SEO services cover many types of search engines, from YouTube to social media. However, SEO services generally refer to the specialized services offered by an agency to optimize your website for Google, which is known for its sophisticated and ever-evolving algorithms.  

SEO companies offer these key services:  

Keyword Research   

This is the process of identifying the search terms your target audience uses to find websites similar to yours. The next step is to strategically include the most relevant keywords for your business in your website’s content so that it shows up higher on SERPs.   

Seasoned SEO experts use many analysis methods and tools to discover and target the best keywords for your business.   

On-page Optimization   

This involves keyword optimization, an audit of the current user experience, and a content strategy and creation. When optimizing on-page elements, an SEO company ensures that your web page:   

  • Is targeting the right keywords both in text and images   
  • Has optimized title tags and meta descriptions   
  • Features images and other multimedia that are size-optimized to ensure fast page loading speed   
  • Features elements such as CTAs to increase on-page engagement and session duration
  • Includes high-value external and internal links to increase click-through rates   
  • And more   

Technical SEO  

This is the process of optimizing your website for Google's crawlers, allowing them to interpret and index the web properties.   

An SEO agency will perform a technical SEO audit to check if the technical side of your website is on par with best practices. In other words, it will take a set of backend measures that:   

  • Determine which pages are visible to the search engine and which are hidden   
  • Ensure that the web architecture is optimized for crawlers   
  • Identify technical issues that communicate poor web performance to search engines   
  • And more   

Off-page Optimization   

This involves strategies outside the website that are still aimed at increasing its rankings in search. The key to off-page SEO is link building.   

Link building helps boost a website's domain authority and credibility in the search engine's "eyes", which is one of the key factors in rankings.   

KPI Tracking  

Unlike traditional marketing, you can easily track and measure SEO results. An SEO company pays deep attention to analytics and provides its clients with monthly analytical reports on campaign, content, and website performance.   

Some of the key metrics it tracks are:   

  • Traffic sources   
  • Traffic volume  
  • Click-through-rates   
  • Search engine positions   
  • Qualified leads   
  • Sales  
  • Sign-ups  
  • And more  

Competitor Analysis  

This involves surveying your industry's competitive online landscape, assessing your SEO competition, and using the information gathered to strengthen your website's SEO. It gives insight into the competitors' content strategy, keyword targeting, link profile, and overall SEO techniques. 

How much do SEO companies charge for their services?

According to OuterBox, SEO companies usually charge hourly rates, from $10 to $250 per hour, depending on the agency's location and the services provided. Those based in the US typically charge anywhere from $100 to $250 per hour, while SEO companies outside the US may charge from $10 to $50 per hour.  

Because of the nature of SEO, service providers also provide retainer fees for regular consulting, which can range from $500 to $25,000+ per month. [Ahrefs]  

As for SEO audits, agencies may charge a fixed fee from $5,000 to $10,000, depending on the size and complexity of the website. [OuterBox]  

When it comes to link building, agencies employ various techniques, such as:  

  • Guest posting   
  • Digital PR   
  • Link inserts on relevant sites using linkable assets   

They typically charge a fee per link placement — from $100 to $1,500+ depending on quality and volume for link inserts in big media websites or a fee per campaign. The average cost for most links is around $400, discounted for large orders. [Link Builder

The top 50 SEO agencies on DesignRush charge an average of $106/hour. Roughly 16.4% of the SEO companies on the platform require a minimum budget of $1,000, while 0.9% require at least $50,000 per project. 

Why should I hire an SEO company?

The main reason to hire an SEO company is to consistently and systematically drive organic traffic to your website.  

Considering that 90.63% of web pages receive zero traffic from Google and only 5.7% of all the pages rank in the top 10 of the SERPs within one year [Ahrefs], more brands are turning to SEO specialists to reach the coveted top positions in SERPs.  

Professional agencies have teams of seasoned experts with industry knowledge and experience in various tools to help you grow your website traffic, at a faster rate than an in-house team. They can spot and solve SEO issues of varying degrees of complexity, while an in-house team might waste valuable time with multiple trial-and-error attempts to implement the proper solutions.   

The overall benefits of hiring an SEO agency are to:   

  • Cut costs on hiring, training, and maintaining an internal SEO team   
  • Keep your SEO strategies up to date, especially with Google’s numerous ranking factors and constant algorithm changes  
  • Achieve higher search ranking through organic methods that account for 53% of businesses' web traffic [Bright Edge]  
  • Gain access to accurate reports from the most efficient optimization tools   
  • Get valuable data from analytics to improve your website authority and performance based on Domain Rating (DR)  
  • Receive insights on industry trends from experts who have experience in similar brands   
  • Maximize revenues and, ideally, achieve an ROI to SEO ratio of 5:1, implying that every dollar invested in SEO generates an ROI of five times or 500% [Demand Jump]  

Intero Digital demonstrates the benefits of hiring a professional SEO company in its collaboration with Blackbaud, a software solutions company serving nonprofits. Through a variety of strategies, the agency increased the client's first page rankings by 1,398% and its revenue by $22 million. 

Are SEO companies still effective for business growth?

Yes, SEO companies are still effective for consistent business growth because it is attributed to a higher ROI than other digital marketing techniques. A well-executed SEO strategy attracts targeted traffic that is more likely to convert into paying customers, ensuring a reliable stream of revenue.  

After collaborating with Straight North on its SEO, B2B/B2C food service manufacturer House of Webster saw an improvement of 140% in organic leads, 129% in new sessions, and a whopping 269% in organic revenue from its eCommerce site.  

The global SEO services market size is expected to reach $234.8 billion by 2030, with a Compound Annual Growth Rate (CAGR) of 17.6%, according to GlobeNewsWire, proving the continuous relevance of SEO. 

How do I choose the best SEO agency?

Select the best SEO agency following these steps:  

  1. Identify your goals, requirements, expectations, and KPIs.  
  2. Set budget parameters to work around while considering your objectives and target ROI.  
  3. Search for SEO agencies on credible online directories and curated lists by reputable blogs. From here, build a list of potential agency partners.  
  4. Check their website ranking. Are their business sites successfully optimized? Do they rank high in searches for their keywords? If they couldn’t establish a strong online presence for their own brand, it's unlikely that they can assist you in doing so.  
  5. Look at their certifications and recognitions. Are they a Google Premier Partner? What other affiliations do they have? Have they been acknowledged for excellence in terms of services, strategies, or results?  
  6. Evaluate their experience, expertise, and specializations, especially since it takes time to build and achieve mastery of SEO.   
  7. Some of the best SEO companies have been in the business for many years or even decades. Evaluate their case studies and client reviews. Their documented SEO work showcases their capabilities to create and launch successful campaigns. Are the goals and metrics clear? Do they state a timeframe for the projects? What do clients have to say about their experience? You can also check the rankings of the brands they promote. 
  8. Consider their team members. Do they have a diverse workforce with multiple specializations?  
  9. Learn their team size and client ratio. Do they assign a team to a single client or multiple clients at once? This will help you assess their workload and how they manage their tasks.   
  10. Take note of their value for transparency. Do they publish their prices upfront? Do they implement ethical or white hat SEO techniques?   
  11. Based on your initial assessments, streamline your candidates to five SEO firms.  
  12. Send the shortlisted candidates an SEO request for proposal (RFP).  
  13. Receive and peruse proposals.  
  14. Schedule interviews to assess if they are a good fit in terms of requirements, services, culture and values. This is also a great opportunity to discuss the proposals.  
  15. Ask which tools and techniques they use and why and how these will impact their work on your website. Proper SEO isn’t about shortcuts and tricks — instead, it’s rooted in best practices such as identifying valuable keywords, assessing competitors, gathering analytics, and quantifying progress.  
  16. Choose your SEO agency partner based on the evaluations.  

Maximize your SEO results with top agencies on DesignRush. Share your project details on our Marketplace and we'll go through our listing and shortlist the most compatible SEO firms based on your requirements — for free.

What questions should I ask a potential SEO agency partner?

The key questions to ask a potential SEO agency partner are:   

Its Relevant Background 

  1. Do you have experience working in our industry?  
  2. Do you have any relevant case studies from similar clients?  

Company Services and Processes  

  1. Do you provide related services like content production, PPC, or similar?  
  2. How do you conduct keyword research?  
  3. What is your approach to link building?  
  4. Which tools, platforms, and other resources do you use? Can we have access to them? 
  5. How do you stay informed with search engine updates and industry changes?  

The Project  

  1. How will you develop SEO strategies based on our business needs?  
  2. What do you think will be the most effective SEO tactics for our brand and why?  
  3. How long can we expect to see results?  
  4. Who will be assigned to our account, and what are their levels of expertise?  
  5. How often will we receive updates on the tasks, and on which communication channels?  
  6. How often do you generate reports? What information will be included in the reporting?  
  7. What can we do on our end to make our SEO successful? 

What are the best SEO agencies in the U.S.?

AgencyDesignRush ratingGoogle ratingTop clients


(19 reviews)


(131 reviews)

  • eBay
  • Warner Bros
  • BBQGuys
  • Fitness 19
Intero Digital


(25 reviews)


(239 reviews)

  • Jaguar
  • Gaiam
  • Land Rover
  • University of Colorado
Straight North


(10 reviews)


(74 reviews)

  • Pro Stock Hockey
  • BluePay
  • Grove Dental Associates
Big Leap


(8 reviews)


(54 reviews)

  • Avis
  • Empire Today
  • BambooHR
  • Pluralsight
Ignite Visibility


(10 reviews)


(48 reviews)

  • Tony Robbins
  • COX
  • Wedding Wire
  • DoorDash

Browse the listings above to know more about these top service providers handpicked for their exceptional reviews, team expertise, and case studies.  

You can also use the search filters to find other recommended agencies based on their hourly rates, size, location, and expertise. 

Why People Trust DesignRush

DesignRush has a qualified team of industry experts and agency executives that focus on finding the best SEO agencies for your business. Our team determines the key performance indicators, like portfolio, client reviews, and industry reputation, that agencies must meet to be listed. To further leverage our agency expertise, businesses also reach out to DesignRush to streamline the process of finding the right agency via the Marketplace.


DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively search the web for top performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing. The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
  • Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

SEO Expert Insights

Monica Hillison
Monica Hillison
Asst. Professor of Practice, Director of Digital Marketing Strategy Program, Pamplin College of Business, Department of Marketing, Virginia Tech

How has SEO evolved over the past few years, and what trends do you foresee in the future?

SEO is an ever-evolving area of digital marketing because technologies and algorithms change constantly, along with changes and shifts in user behavior.

An area of SEO where we’re already seeing rapid changes is the application of artificial intelligence (AI) and machine learning (ML) algorithms to better understand user intent and content relevance. As AI technology continues to evolve and improve, we will see more accurate predictions of user behavior, contributing to even more personalized search results.

What impact do social media and online reviews have on SEO, and how can businesses leverage these platforms for better search visibility?

As a society, we’re spending more time on social media platforms, and this activity has steadily increased SEO impact over time. For businesses, a social presence, as well as cultivating online reviews, can help with the following areas:

  • Increasing online visibility: Social media platforms are frequently crawled by search engines. So, establishing a strong and consistent presence on these platforms can increase your brand’s visibility in search results over time.
  • Backlink efforts: We know that backlinks are a pivotal piece of SEO and have one of the strongest impacts on rank. Although social media platforms are not traditionally considered sources of backlinks, increased visibility on social can influence audiences and contribute to people and organizations connecting to businesses from their websites, providing valuable backlinks that help increase website authority.
  • Traffic drivers: Social media platforms and review sites are wonderful drivers of website traffic. Businesses that not only maintain a strong presence on social channels and review sites, but strategically use these channels to help drive visitors to their websites will see the strong impact that increased traffic has on their SEO.

One way businesses can leverage social to boost their SEO is to integrate social media and online reviews into their SEO strategy. A strong presence in these areas can drive website traffic, increase brand awareness, and enhance online reputations, positively impacting SEO.

How important is industry-specific experience when selecting an SEO agency?

Selecting an SEO agency with strong knowledge and background in your industry can have many benefits. Because SEO strategies can vary significantly depending on the industry, an agency with experience in your specific industry may better understand your target audience, competitive landscape, and industry-specific keywords and trends. This understanding can inform a more tailored and effective SEO strategy.
About The Author and Expert Reviewer
Bisera Stankovska developed marketing-related content for LeanRank, Content Distribution, and Ridarec. She has numerous high-ranking articles under her belt, alluding to her expertise in the field. She used to write for DesignRush, focusing on marketing with a touch of SEO.
Florentina Schinteie is a highly skilled and qualified SEO specialist with 15+ years of industry experience. Combining ingenious optimization strategies with ceaseless dedication, she ushered companies like SEM Lion, Sunrise Interactive Agency, and Digital Silk—businesses within the SEO, digital marketing, and other similar industries as DesignRush—through significant search engine algorithm changes. In her first 18 months at DesignRush, she has increased website traffic by 22x and traffic value by 400x, all while increasing the top-ranking pages from 50 to 5,000.