SEO Analysis Services: We Review the 7 Top Agencies to Consider in 2025

Quick summary

This article reviews the top 7 SEO analysis service agencies in 2025, including Embarque, NP Digital, Polaris, and WebFX. It explains how these agencies evaluate websites, uncover growth opportunities, and turn insights into actionable strategies, helping businesses boost traffic, improve rankings, and increase leads and revenue effectively.

Considering hiring an SEO analysis service provider? 

Evaluating your SEO performance is the first step to getting ahead online, whether you're building from scratch or aiming to outpace competitors. However, the challenge often lies in getting a proper analysis and turning it into an actionable plan.

That’s where the right SEO analysis service comes in. As SEO continues to evolve, finding a partner who can translate data into growth is more important than ever.

In this Embarque article, we've identified the top 7 SEO analysis services, highlighting their strengths and specializations, so you can confidently choose the best fit for your business.

But first…

Why listen to us? 

At Embarque, we turn SEO data into actionable strategies that deliver real results. For example, MentorCruise saw a 16X increase in year-over-year revenue after we implemented a tailored SEO strategy grounded in in-depth analysis. Similarly, BlueTally experienced a massive jump from 52 to 7,663 monthly visitors thanks to our custom SEO plan informed by detailed insights.

With this experience helping businesses grow, we understand what works, and what doesn’t. That expertise allows us to guide you toward the best SEO analysis services for your specific goals.

What is an SEO analysis service?

An SEO analysis service evaluates your website’s performance in search engines to identify strengths, weaknesses, and opportunities for growth. It goes beyond simply checking rankings; these services examine your site’s technical setup, content quality, backlink profile, user experience, and overall search visibility.

The goal is to turn complex SEO data into actionable insights that help your business attract more traffic, generate leads, and increase conversions.

Why hire an agency for SEO analysis services?

Expertise and experience

SEO agencies bring specialized knowledge across technical SEO, content strategy, and link building. Their experience with diverse industries allows them to identify opportunities and pitfalls that most in-house teams might miss.

Actionable, data-driven insights

An agency doesn’t just deliver a report; they provide a roadmap. At Embarque, for example, we turn SEO analysis into clear, prioritized action plans that help businesses achieve measurable growth.

Time and resource efficiency

SEO analysis can be complex and time-consuming. By hiring an agency, your team can focus on running the business while experts handle in-depth audits, competitor benchmarking, and strategy implementation. 

Our list of the top agencies offering SEO analysis service

In a rush? Here’s a summary of the SEO analysis service agencies we’ve covered in this article: 

By combining data-driven insights with scalable SEO strategies, we help businesses improve organic traffic, boost conversions, and establish a strong presence in search results.

Services

• Comprehensive SEO audit analyzing crawlability, page speed and mobile-friendliness
• On-page elements and backlinks evaluation to boost rankings and domain authority.
• User behavior and site design review to identify CRO opportunities for better ROI.
• Keyword research and content analysis to target high-intent terms for improved visibility.
• Key performance metrics tracking to provide insights that refine SEO strategies.
• AI & LLM SEO optimization to ensure content is discoverable in AI-driven search platforms.
• Technical SEO improvements including schema markup, and site architecture optimization.

Key results

• Increased Cleanvoice’s MRR by 300% through targeted SEO analysis and keyword research
• Grew BlueTally's monthly visitors from 52 to 7,663 through high-intent keyword strategy
• Generated over 21,000 monthly search clicks for 4-Day Week in just three months
• Boosted Instatus's traffic by 1,500% and MRR by 833%

Nomensa is an SEO agency dedicated to helping businesses improve their online presence. They do this by auditing a website's structure, user experience, and performance. This thorough approach ensures a website performs well and ranks prominently on search engines. Nomensa offers tailored consultation services that match a client's business goals, audience, and industry, rather than providing generic solutions. 

Services

• Website structure and performance audit to improve online presence.
• Research and evaluation of competitors' strategies, keywords, and backlinks.
• Assessment of the relevance and quality of existing content to improve on-page SEO.
• Discovering and fixing of technical website issues like broken links and indexing problems.
• Planning and support for website migrations to preserve organic traffic 
• Conducting keyword gap analysis to identify new opportunities 
• Developing comprehensive content strategies and workflows 

Key results

• Helped Quality Assurance Agency reduce pages by 40%
• Enabled National Highways to cut deviations from standards by 60%
• Assisted Virgin Media Ireland in reducing support calls by 6%

NP Digital, founded by Neil Patel, is a global digital marketing agency offering expert SEO analysis as part of its full-service solutions. They help businesses boost search rankings, visibility, and overall online performance through data-driven strategies. For hands-on insights, they provide a free SEO Analyzer tool that audits websites, highlights errors, and gives step-by-step recommendations for improvement.

Services

• Technical SEO to ensure your website is crawlable, indexable, and mobile-friendly
• Competitive analysis to identify your competitors' strengths and weaknesses 
• Keyword research to target high-converting terms 
• Content optimization based on search intent  
• Backlink analysis and profile auditing
• General website SEO audit and error identification
• Ongoing SEO monitoring and performance reporting

Key results

• Boosted Sofi’s organic search sessions by 509% 
• Increased Universal Technical Institute’s organic search sessions by 411%
• Omnichannel strategy increased new customers by +126% for Soundstripe
• Increased category search traffic by +329% for Claires

Polaris is a London-based SEO agency specializing in in-depth SEO analysis and actionable strategies. Their audits cover technical, on-page, and off-site SEO, benchmarking clients against key competitors. Polaris works with B2B and e-commerce businesses to uncover growth opportunities, improve search rankings, boost traffic, and generate more leads and revenue through data-driven, results-focused recommendations. 

Services

• In-depth analysis of SEO performance using Google Analytics and Google Search Console
• Technical, content, and on-page review
• Off-site analysis and strategy formulation
• A complete roadmap of recommendations prioritized by impact
• Planning and management of website migrations 
• Execution of ongoing SEO campaigns with a 90-day sprint methodology 
• Creation of data-driven content strategies and production 

Key results

• Helped Dune London achieve a 644% return on investment with their SEO strategy.
• Increased organic traffic by 10x for Fruit 4 London
• Increased traffic by 670% for Reachdesk

WebFX is a full-service digital marketing agency specializing in SEO analysis and strategy. They use data-driven insights and proprietary analytics to evaluate website performance, identify opportunities, and improve search visibility. Their team of SEO specialists, content writers, and developers collaborates to implement recommendations, optimize campaigns, and deliver measurable results that drive traffic, leads, and revenue for businesses.

Services

• A full SEO audit that covers on-page, off-page, and technical SEO issues
• Recommendations for your content strategy and content creation
• Ongoing performance tracking and detailed reporting
• Guidance on how to fix issues found in the audit
• Audits of your site's speed and user experience
• Planning and management of technical website migrations 
• Conducting local SEO campaigns to improve visibility 
• Performing comprehensive competitor SEO analysis

Key results

• Helped ALL-TEST Pro increase form submissions by 71% 
• Assisted Coquí el Original® in achieving a 109% increase in SEO revenue year-over-year 
• Enabled Property Management, Inc. (PMI) to increase organic pages per session by 88% 
• Helped Record Head get 257% more organic new users

Straight North is a full-service agency specializing in SEO analysis and audits. They use a data-driven approach and proprietary tools to evaluate websites, uncover SEO opportunities, and optimize for higher rankings and conversions. Their free online SEO audit tool provides a custom report highlighting key ranking factors, helping businesses improve visibility and drive measurable revenue growth.

Services

• Comprehensive SEO audit covering on-page, off-page, and technical factors 
• Technical SEO audit to uncover indexation and usability issues 
• Analysis of keyword usage, title and meta tags, and content volume 
• Assessment of site load speed, mobile friendliness, and security 
• Evaluation of page links and backlinks 
• Ongoing monthly technical checks and optimization 
• User experience and conversion rate optimization audit

Key Results

• Achieved 27.6% traffic increase for FMH Conveyors
• Grew Lamar Dental’s organic traffic by 1,221%
• Helped NWI See 256% new patient acquisition
• Achieved 271% increase in leads YoY for BillingPlatform

Reflect Digital specializes in SEO analysis and audits, using data-driven insights to assess technical health, competitor gaps, and content performance. Their approach identifies issues limiting traffic and conversions while uncovering growth opportunities in your industry. By providing a clear, actionable plan, they help businesses optimize their SEO strategy, improve search visibility, and achieve measurable results.

Services

• A full SEO audit to find and fix technical issues
• Analysis of your competition to find keyword opportunities
• Detailed reports on site speed, indexing, and crawlability
• A plan to improve on-page content and off-site authority 
• Conducting behavioral science analysis to understand user intent 
• Planning and managing website migrations
• Providing conversion rate optimization (CRO) services 

Key results

• Greenwich Peninsula's website achieved 263% year-on-year visibility increase 
• Egress saw a 710% increase in organic traffic
• Aford Awards saw a 116% increase in revenue

How to choose the right SEO analysis service agency

Check their track record

Look for agencies that demonstrate measurable results, such as increased organic traffic, higher search rankings, or improved conversion rates. At Embarque, we showcase proven success, including clients like Cleanvoice and BlueTally, who achieved dramatic growth through our tailored SEO strategies.

Align with business goals

Ensure the agency’s approach matches your objectives: whether it’s boosting traffic, generating leads, or increasing conversions. At Embarque, we help businesses define goals and implement SEO analysis strategies that drive tangible outcomes aligned with growth targets.

Comprehensive service offering

Choose an agency that covers all aspects of SEO analysis: technical, on-page, off-site, and content strategy, to avoid fragmented efforts and inconsistent results.

Data-driven insights

A strong agency uses analytics, competitor research, and market trends to inform recommendations, ensuring decisions are backed by actionable insights.

Ongoing support and optimization

SEO is not a one-time effort. Look for agencies that provide continuous monitoring, reporting, and optimization to maintain and improve results over time.

How much do SEO analysis services cost?

The cost of SEO analysis services varies based on the depth of service required and the duration of the engagement.

Some agencies charge a fixed price for a one-time audit, while others use a monthly retainer model.

• One-off engagements generally range from $500 to $5,000, depending on website complexity.
• Monthly retainers typically start at $1,500 for small local businesses and can exceed $15,000 for highly competitive industries or large websites.

The final price primarily depends on the scope of work. Analyzing a small local business website is usually less expensive than a large e-commerce site with thousands of pages. The level of analysis: such as on-page, off-site, or technical, also plays a role in pricing.

You can use our SEO ROI calculator to estimate how different investment levels could result in higher rankings, increased traffic, and more conversions.

At Embarque, our SEO solutions start from just $1,499/month. We combine in-depth audits, technical optimization, content strategy, and competitive analysis into a package that helps you assess performance, find areas to improve, and implement strategies that drive better rankings, more leads, and higher conversions.  

Drive real results with Embarque’s SEO analysis service

Every business wants to stand out in search results, but without a clear understanding of what’s working, and what’s holding you back, your SEO efforts can fall flat. 

At Embarque, we turn deep SEO insights into actionable strategies that drive measurable growth. From technical audits and keyword analysis to content optimization and AI-driven search readiness, our team helps businesses like yours identify gaps, prioritize improvements, and implement solutions that translate directly into more traffic, leads, and revenue.

Book an intro call to see how we can help you.