Best SEO Agencies (2026)

Browse the top 40 of 154 SEO and link building agencies from Linkee's expert rankings. Pick an industry, specialization or location to see every agency ranked and reviewed for that niche.

Maria HarutyunyanBy Maria Harutyunyan Updated October 2026 Featured agency? Get your badge 154 agencies in the directory Data sourced from Clutch, G2 and the official websites of the listed agencies

Key takeaways

We reviewed 40 SEO agencies using verified Clutch and G2 reviews, published case studies, pricing and team size. Loopex Digital ranks first, followed by Searchbloom and Growth Hackers.

Top 40 SEO agencies compared

40 agencies
Best overall
01

Loopex Digital

Clutch5.0(97)Google5.0(20)
From $1,500/moMonth to monthLos Angeles, CA, USFounded 2018
Visit Website

Why choose Loopex Digital?

Choose Loopex Digital when you want one SEO agency with published results across very different industries. Loopex Digital ranks first on all 19 category lists, ahead of the other top SEO agencies in this directory. Those results make it our first choice among the best SEO agencies we reviewed. For MMGuardian, a parental control app, monthly organic visits grew from 6,600 to 359,000. For Public Desire, a footwear store, revenue from Google organic search rose 96%.

Loopex Digital is based in Los Angeles and has 100+ SEO specialists. One team runs technical SEO, content, link building, digital PR and AI search visibility. With retainers from $1,500 per month and no long contract, it is also our pick for the best SEO company for small businesses. A 5.0 Clutch rating from 97 reviews puts Loopex Digital among the top rated SEO companies here. If you are asking which is the best SEO agency for the U.S. market, start your shortlist with Loopex Digital.

Our experts' evaluation

Why we recommend Loopex Digital

  • Results across industries: MMGuardian: 6,600 to 359,000 monthly organic visits. Freeman Orthodontics: 315 to 15,783. JB.com: 100 to 6,000. Public Desire: organic search revenue up 96%.
  • How it measures: organic traffic, leads and revenue, plus AI citations for tracked buyer prompts, reported monthly.
  • Strengths: #1 on all 19 category lists, 97 Clutch reviews at 5.0, SEO, links and digital PR in one team, monthly terms.

What to consider before hiring Loopex Digital

  • Founded in 2018, a shorter record than older top SEO companies such as SEO Image (2002).
  • Most published case studies report traffic, so ask for leads or revenue in your industry.

Is Loopex Digital right for you?

Choose it if you want SEO, links and AI search from one team on monthly terms. Skip it if you only need a one-off audit or want ads and SEO in one contract.

What to ask Loopex Digital on the sales call

“Can you show a client report in my industry with leads or revenue next to organic traffic?”

Sources: Case studies · Clutch profile

02
From $3,000/moMonth to monthSouth Jordan, UT, USFounded 2014
Visit Website

Why choose Searchbloom for Shopify SEO?

Choose Searchbloom for Shopify SEO when you want results reported in organic revenue and conversion rate. The South Jordan, Utah agency, founded in 2014, runs a dedicated Shopify SEO service with in-house developers. For an unnamed Shopify beauty supply store, organic revenue rose 111.7% and conversion rate rose from 7.90% to 10.98%. That compares the 6 months before the September 2025 start with the latest 6 months.

Searchbloom reports through twice-monthly calls and a quarterly roadmap, using Google Analytics, Search Console and Bing Webmaster Tools. It tracks revenue per session, average order value, transactions and top-10 keywords. In the same beauty store case, organic revenue rose 224.2% from Q2 2025 to Q2 2026. Searchbloom works on month-to-month contracts, and its homepage lists SEO from $3,000 per month. It holds a 4.9 Clutch rating from 102 reviews.

Our experts' evaluation

Why we recommend Searchbloom

  • Shopify proof: Beauty supply store: organic revenue +111.7%, conversion rate 7.90% to 10.98%, 6 months before vs the latest 6 months.
  • How it measures: Google Analytics, Search Console and Bing Webmaster Tools: revenue per session, AOV, transactions.
  • Strengths: Revenue-based reporting, in-house developers, 102 Clutch reviews at 4.9.

What to consider before hiring Searchbloom

  • Shopify is one of several platforms Searchbloom serves.
  • The $3,000 monthly entry price is twice Loopex Digital's.

Is Searchbloom right for you?

Choose it if you run a mid-size Shopify store and want revenue at the center of every report. Skip it if your SEO budget is under $3,000 a month.

What to ask Searchbloom on the sales call

“How much of the beauty store's 111.7% revenue gain came from collection pages?”

Sources: Shopify SEO service · Beauty store case study · Clutch profile

03

Growth Hackers

Clutch5.0(2)Google—No profile
$45/hrSheridan, Wyoming, U.S.Founded 2016
Visit Website

Why choose Growth Hackers for Manufacturing SEO?

Choose Growth Hackers for manufacturing SEO when you want SEO tied to a lead generation funnel at a low hourly rate. Growth Hackers combines competitive analysis, on-page SEO, link building, landing page design and sales funnel work. Its rate is $45 per hour. For a biotech client, campaigns reached a 4x ROAS within 2 months, though that result came from paid ads, not SEO.

Growth Hackers was founded in 2016 and is based in Sheridan, Wyoming. Named clients include Litum and Onocoy. It holds a 5.0 Clutch rating, but from only 2 reviews, and one reviewer praised its detailed weekly reports. Growth Hackers has a dedicated manufacturing SEO page. Our data holds no manufacturing case study with RFQ or lead numbers. Ask for an industrial SEO example before you compare it with larger firms.

Our experts' evaluation

Why we recommend Growth Hackers

  • Manufacturing proof: No manufacturing case study in our data. Biotech client: 4x ROAS within 2 months from paid campaigns.
  • How it measures: ROAS, traffic and leads, with weekly reports.
  • Strengths: $45 per hour, SEO plus funnel and landing page work.

What to consider before hiring Growth Hackers

  • Only 2 Clutch reviews.
  • Its one published result is a paid ads ROAS, not an SEO or RFQ figure.

Is Growth Hackers right for you?

Choose it if you have a small budget and want SEO and landing pages built around lead capture. Skip it if you need proof of manufacturing SEO results before you sign.

What to ask Growth Hackers on the sales call

“Can you show RFQ or lead numbers from a manufacturing client's organic traffic?”

Sources: Manufacturing SEO service · Clutch profile

04

Coalition Technologies

$50-99/hrLos Angeles, CA, USFounded 2009
Visit Website

Why choose Coalition Technologies for Dental SEO?

Choose Coalition Technologies for dental SEO when you want a large team with documented dental wins. The Los Angeles agency, founded in 2009, runs content, on-page SEO, link building and local SEO for dentists. It reports a 415% organic traffic increase for a pediatric dental practice. Its dental clients include Children's Sedation Dentist, Tooth Fairy Pediatric Dental and Exquisite Dentistry, and it has published 780+ case studies overall.

Coalition Technologies holds a 4.8 Clutch rating from 158 reviews. Reviewers report one practice with 500% traffic growth and another with 151% year-over-year revenue growth. The agency bills $50-99/hr and is a Google Premier Partner. Reviewers often describe quick, personable service. Its size suits practices that want process and capacity, though a solo dentist should ask who runs the account.

Our experts' evaluation

Why we recommend Coalition Technologies

  • Dental proof: Pediatric dental practice: organic traffic up 415%. Reviewers report 500% traffic growth and 151% year-over-year revenue growth.
  • How it measures: organic traffic and revenue growth, per case studies and reviews.
  • Strengths: 158 Clutch reviews at 4.8, named dental clients, Google Premier Partner.

What to consider before hiring Coalition Technologies

  • The 415% case gives no time window.
  • A large agency, so ask who will run your account day to day.

Is Coalition Technologies right for you?

Choose it if you want a large team with named dental clients at $50-99/hr. Skip it if you want a small boutique with founder involvement.

What to ask Coalition Technologies on the sales call

“Over what period did the pediatric practice's organic traffic grow 415%, and how many new patients followed?”

Sources: Website · Clutch profile

05
$100-149/hrChicago, IL, USFounded 1997
Visit Website

Why choose Straight North for Dental SEO?

Choose Straight North for dental SEO when you want results counted in leads, not rankings. The Chicago agency, founded in 1997, runs link building, local SEO, dental content and on-site work, and tracks patient inquiries as its main metric. It names Grove Dental Associates as a dental client. Straight North reports a 95% client retention rate and has appeared on the Inc. 5000 list several times.

Straight North holds a 4.7 Clutch rating from 134 reviews and bills $100-149/hr. Reviewers report 41% year-over-year growth on target pages and steady gains in leads, traffic and rankings. Those figures come from reviews across industries, not a dental case study. A practice should ask for Grove Dental Associates' lead counts before and after, and how calls were counted in that report.

Our experts' evaluation

Why we recommend Straight North

  • Dental proof: Grove Dental Associates named as a client, no numbers published. Reviewers report 41% year-over-year growth on target pages.
  • How it measures: leads and patient inquiries.
  • Strengths: lead-focused reporting, 134 Clutch reviews, 95% client retention.

What to consider before hiring Straight North

  • No dental case study with numbers.
  • A 4.7 Clutch rating, lower than most agencies on this list.

Is Straight North right for you?

Choose it if you want SEO judged on patient inquiries and calls. Skip it if you want the lowest hourly rate.

What to ask Straight North on the sales call

“How many new patient leads did Grove Dental Associates get per month before and after your work?”

Sources: Website · Clutch profile

06
$150-$199/hrAkron, OH, USFounded 2004
Visit Website

Why choose OuterBox for Shopify SEO?

Choose OuterBox for Shopify SEO when you are moving a large catalog onto Shopify and need rankings protected. The Ohio ecommerce agency, founded in 2004, is a Shopify Partner with offices in Akron, Houston and Tuscaloosa. For an unnamed home gym and fitness brand, organic revenue rose 118% in 2025 after a Shopify migration. Organic shopping revenue rose 2,051% in the same case.

OuterBox measures Shopify SEO in GA4 and Search Console, with rank tracking and ecommerce events. Its reports cover orders, revenue, conversion rate, average order value and collection page traffic. A second case, an outdoor living brand, shows organic revenue up 186%. Clutch lists $150 to $199 per hour and a $1,000 minimum project. OuterBox holds a 5.0 Clutch rating from 93 reviews, which makes it a mid-market and enterprise pick.

Our experts' evaluation

Why we recommend OuterBox

  • Shopify proof: Home gym brand, 2025: organic revenue +118%, organic shopping revenue +2,051%. Outdoor living brand: organic revenue +186%.
  • How it measures: GA4 ecommerce events, Search Console and rank tracking: orders, revenue, AOV.
  • Strengths: Shopify Partner, migration experience, 93 Clutch reviews at 5.0.

What to consider before hiring OuterBox

  • Its Shopify case studies do not name the clients.
  • Hourly rates of $150 to $199 are high for small stores.

Is OuterBox right for you?

Choose it if you are moving a store to Shopify and want revenue protected through the switch. Skip it if you run a small store on a tight budget.

What to ask OuterBox on the sales call

“Can we speak with the home gym brand behind the 118% organic revenue gain?”

Sources: Shopify SEO service · Home gym case study · Clutch profile

Best for AI optimization
07

Go Fish Digital

Clutch5.0(13)Google2.0(4)
Projects from $5,000+Raleigh, NC, USFounded 2005
Visit Website

Why choose Go Fish Digital for AI SEO?

Choose Go Fish Digital for AI SEO when you want an established agency that builds its own GEO tooling. The Raleigh firm, founded in 2005, makes a semantic content audit tool, an AI Overview analyzer and a similarity score extension. Its GEO work tunes pages and passages for AI Overviews and ChatGPT and adds digital PR for brand citations.

Go Fish Digital's published GEO case study is its own website. Over 3 months, visitors from ChatGPT and other AI sources rose 43%, and AI-referred conversions rose 83.33%. It holds a 5.0 Clutch rating from 13 reviews and lists a $5,000+ minimum project on Clutch.

Our experts' evaluation

Why we recommend Go Fish Digital

  • AI search proof: Own website: AI referral visitors +43% and AI-referred conversions +83.33% in 3 months.
  • How it measures: GA4 AI referral filters, log file analysis and its own visibility tools.
  • Strengths: Own GEO tools, a 250 to 999 person team, 5.0 on Clutch.

What to consider before hiring Go Fish Digital

  • Its only GEO case study is its own website, not a client.
  • No published retainer price.

Is Go Fish Digital right for you?

Choose it if you want a large, established agency with its own AI search tools. Skip it if you need AI results proven on a client like you.

What to ask Go Fish Digital on the sales call

“Can you share a client's AI referral traffic before and after your GEO work?”

Sources: GEO service · GEO case study · Clutch profile

Best for price
08
$10-20/hrZirakpur, Punjab, IndiaFounded 2011
Visit Website

Why choose Obelisk Infotech for Dental SEO?

Choose Obelisk Infotech for dental SEO when you want AI search visibility added to local SEO at a very low rate. The Indian agency, founded in 2011, sells technical, on-page and local SEO plus AI SEO and GEO for Google AI Overviews and ChatGPT. It bills $10-20/hr, the lowest rate on this list. Obelisk publishes no dental case study, and its named clients are outside dentistry.

Obelisk Infotech holds a 5.0 Clutch rating from 10 reviews. Reviewers mention responsive communication, precise task execution, transparent reporting and gains in organic visibility for local service businesses. The agency works with clients in the US, UK and Australia, with a team of under 50 people. A practice should ask how Obelisk would measure new patient calls, since no dental metric is published.

Our experts' evaluation

Why we recommend Obelisk Infotech

  • Dental proof: Not published. Named clients are outside dentistry.
  • How it measures: organic visibility and rankings, per Clutch reviewers.
  • Strengths: lowest hourly rate here, AI search and GEO service, 5.0 on Clutch.

What to consider before hiring Obelisk Infotech

  • No dental case study or dental client named.
  • Only 10 Clutch reviews.

Is Obelisk Infotech right for you?

Choose it if you want low-cost local SEO with AI search work and can manage the agency closely. Skip it if you need proof from another dental practice.

What to ask Obelisk Infotech on the sales call

“Which dental practices have you worked with, and what happened to their new patient calls?”

Sources: Website · Clutch profile

09

Delante

Clutch4.9(160)Google—No profile
$50-$99/hrThousand Oaks, CAFounded 2014
Visit Website

Why choose Delante for Ecommerce SEO?

Choose Delante for ecommerce SEO when your store sells in more than one country or language. The agency, founded in 2014, says about 60% of its clients are ecommerce businesses. It works in monthly cycles of keyword mapping, metadata, content and links. For VitaMoc, a small kitchen appliance store, organic revenue rose 511% from January to May 2020 compared with the same months of 2019.

Delante sends a monthly report and builds custom GA4 reports for its clients. In the VitaMoc case, organic traffic grew 1,427% over 24 months, from May 2018 to May 2020. The agency holds a 4.9 Clutch rating from 154 reviews and bills $50 to $99 per hour. Its contact form starts budgets at €1,500 per month, but Delante does not publish a retainer price.

Our experts' evaluation

Why we recommend Delante

  • Ecommerce proof: VitaMoc: organic revenue +511% (January to May 2020 vs 2019) and organic traffic +1,427% in 24 months.
  • How it measures: Monthly reports, custom GA4 reports and Search Console.
  • Strengths: 154 Clutch reviews at 4.9, about 60% ecommerce clients, international SEO.

What to consider before hiring Delante

  • Its main published store case is from 2018 to 2020.
  • No published retainer price or minimum term.

Is Delante right for you?

Choose it if you sell in several countries and want an agency with many ecommerce clients. Skip it if you want a recent, dated store result before you sign.

What to ask Delante on the sales call

“Can you show a store result from 2025 or 2026 reported in organic revenue?”

Sources: Ecommerce SEO service · VitaMoc case study · Clutch profile

10
$50-$99/hrSan Antonio, TXFounded 2012
Visit Website

Why choose Funnel Boost Media for Real Estate SEO?

Choose Funnel Boost Media for real estate SEO when you want SEO, PPC and conversion work aimed at inquiries. The San Antonio agency has run lead generation for home service and property businesses since 2012. It holds a 4.9 Clutch rating from 119 reviews, the most on this list. It claims its conversion work can generate up to 50% more leads.

Funnel Boost Media has a home remodeling marketing page but no real estate page or property case study with numbers. A remodeling client on our earlier review reached first-page rankings and steady monthly leads. Clutch lists $50 to $99 per hour and a $1,000 minimum project. Its site describes transparent pricing but shows no figures. Ask for the price list before the first call.

Our experts' evaluation

Why we recommend Funnel Boost Media

  • Real estate proof: Not published. A remodeling client reached first-page rankings, with no figures.
  • How it measures: Not published. The site promises measurable lead generation.
  • Strengths: 119 Clutch reviews at 4.9, SEO, PPC and CRO together, $50 to $99 per hour.

What to consider before hiring Funnel Boost Media

  • No real estate service page or property results.
  • The "up to 50% more leads" claim has no client attached.

Is Funnel Boost Media right for you?

Choose it if you want SEO and PPC tied to lead volume at a mid-range hourly rate. Skip it if you need a real estate specialist with IDX experience.

What to ask Funnel Boost Media on the sales call

“Which property or home service client can show lead counts before and after?”

Sources: Website · Clutch profile

Showing 10 of 40 agencies
Best overallSEO Agency2026 · Ranked by Linkee

Is your agency on this list of SEO agencies?

Show your ranking on your website with an embeddable award badge. It links back to this list so clients can verify it.

Maria Harutyunyan

About the author

Maria Harutyunyan is the co-founder at Loopex Digital, one of the fast-growing SEO agencies in the world. She grew the agency to a 7-figure from the ground up in 3 years. Outside of Loopex Digital, Harutyunyan is a keynote speaker and SEO coach. She is the founder of the first SEO academy, an off-line training program in Yerevan, Armenia.

Disclosure: Maria Harutyunyan co-founded Loopex Digital, which appears in this ranking.

Expertise: Digital marketingFact checked by Vahan PoghosyanUpdated October 2026

How we reviewed this article

How we chose the best SEO agencies:

01. Longlist from trusted sources

We built the longlist from Clutch, G2 and the agencies that consistently appear in Google results for SEO agency searches, then removed firms without a working site or a public service page.

02. Verified reviews only

Agencies without verified client reviews on Clutch or G2 were cut. We read review patterns to see what clients repeatedly praise or flag, instead of relying on the headline rating.

03. Proof in the niche

We looked for published case studies, named clients and results in the specific industry or specialization, and weighted agencies with niche evidence above generalists.

04. Pricing, team and fit

We compared hourly rates, team size, location and service lineup so each agency can be matched to a budget and a type of business.

FAQ

SEO Agencies: frequently asked questions

What is the best SEO agency?

Loopex Digital ranks first in Linkee's SEO agencies ranking (Best for Best overall across industries). Searchbloom and Growth Hackers round out the top three.

How much does a SEO agency cost?

Agencies on this list charge from $10 to $200 per hour, with a median of $50/hr. Monthly retainers depend on scope, competition and how much content and link building you need.

What is the most affordable SEO agency?

Obelisk Infotech is the best value pick here: From $10-20/hr with a 5.0 rating.

Which SEO agency is best for AI search and GEO?

Go Fish Digital stands out for AI optimization: In-house GEO tools. Look for agencies that optimize for Google AI Overviews, ChatGPT and other LLM answers, not only blue-link rankings.

How did Linkee rank these SEO agencies?

Longlist from trusted sources, Verified reviews only, Proof in the niche. We built the longlist from Clutch, G2 and the agencies that consistently appear in Google results for SEO agency searches, then removed firms without a working site or a public service page.