We Reviewed the Top SEO Audit Agencies That Actually Deliver

Quick summary

We explained the top SEO audit agencies, what their audits include, how to choose the right one, and what pricing looks like. Some of our favourites include Embarque, Halo Lab, Victorious, Infidigit, and Seahawk. Read on to explore each one in detail

Want to find the top SEO audit agency for you?

 You can’t fix what you can’t see. From missed opportunities to critical errors dragging your site down, SEO audits help uncover those issues that are easy to miss but costly to ignore. However, the challenge is finding an agency that doesn’t just run a quick scan and call it a day. 

That’s why we’ve pulled together a list of 15 agencies known for in-depth, practical audits. In this Embarque guide, we’ll walk you through the best picks to get your site back on track.

Why listen to us?

Behind every solid result we’ve helped clients hit, there’s been a solid audit in the mix. That includes 1,600% year-over-year revenue growth for MentorCruise and a 300% MRR increase for Cleanvoice.

So yeah—we know a good audit when we see one. And since we’re in the thick of the industry every day, we also know which agencies are actually worth your time.

Why Hire an SEO Audit Agency?

1. You're not sure what's going wrong

Maybe traffic’s dropped or rankings are stuck. An agency can dig into the data and figure out what’s holding your site back. Whether it’s technical issues, missing content, or slow performance, a fresh set of expert eyes helps uncover what’s really going on.

2. You don’t have the time (or tools)

Audits take hours of crawling, comparing, and troubleshooting. Most teams don’t have the bandwidth or the tools for that. An agency handles the heavy lifting and gets to the answers faster.

3. You want fixes, not just findings

A good audit isn’t just a list of problems. The right agency will give you a clear action plan with next steps your team can actually run with. It means less guesswork and quicker wins.

Top 10 SEO audit agencies to try 

1. Embarque

We’re Embarque, a revenue-first SEO agency that works with SaaS companies and fast-growing startups. SEO audits are baked into nearly every project we take on, because they’re the starting point for real results. If your traffic is flat or your blog isn’t pulling its weight, the audit is where we figure out why and what to fix.

We go way beyond basic checklists. Our audits dig into technical structure, content quality, keyword gaps, and internal links to find what’s blocking growth. Then we build a plan to fix it. You’ll get a clear roadmap tied to actual business goals, not just rankings for the sake of it.

Key Services

• Technical audits that fix crawlability issues, improve performance, and support clean site architecture
• Keyword and content audits that map high-intent keywords to the right pages (and show where you’re missing out)
• Backlink and internal link audits to spot link equity issues, remove toxic links, and improve UX
• Strategic SEO roadmaps tied to KPIs like demo signups, conversions, and traffic growth
• Product-led content strategies that align SEO with your actual features, use cases, and customer journey

Key Results

• We helped MentorCruise grow revenue by 1,600% year-over-year after an audit and full content strategy
• Cleanvoice saw 300% MRR growth and reached 40,000 monthly organic visits after implementing our audit insights
• Our SEO roadmap for 4 Day Week quadrupled weekly traffic in just three months
• We helped a bootstrapped SaaS client earn $35,000 in new revenue from rankings unlocked via a single audit

2. Halo Lab

Halo Lab is a design-driven agency based in Odesa, Ukraine, with a strong track record in building fast, elegant websites that perform. While most clients know them for UX/UI and front-end development, their SEO audit capabilities are just as strong. 

Because their team includes designers, developers, and marketers, they approach SEO audits from all angles – looking at crawlability, content, performance, and structure in one go. It's a solid choice if you want deep technical insights plus hands-on help fixing things after the audit.

Key Services

• Full SEO site audits with technical, content, and on-page analysis
• Technical SEO fixes (speed, code structure, mobile issues)
• Content and keyword audits to improve relevance and ranking
• Site architecture and structured data improvements

Key Results

• Helped DreamHost revamp their WordPress presence via SEO-focused UX and development
• Improved technical SEO and page performance for several SaaS clients in competitive niches
• Consistently praised for blending design, speed, and SEO into a cohesive audit strategy
• 4.9/5 Clutch rating from 80+ reviews, with many clients citing higher traffic and engagement after site fixes

3. seoClarity

seoClarity is more of a platform than a typical agency. Based in Illinois, they offer enterprise-grade SEO tools and support, backed by AI and big data. But with that comes robust audit services – particularly for large websites and in-house teams who need deep insights. 

Their audits are powered by their software suite, which runs unlimited crawls, pinpoints site issues, and predicts how fixes could improve future rankings. If you need scale, automation, and strategy all rolled into one, this is worth a look.

Key Services

• Enterprise technical SEO audits with unlimited crawls
• Content audits with AI-driven recommendations
• Keyword gap and backlink analysis
• KPI-based reporting tied to traffic and revenue goals

Key Results

• Helped a Fortune 500 brand grow search rankings by 260% after implementing audit fixes
• Increased traffic by 29% in 9 months for a financial services company
• Identified issues that led to a #76-to-#1 keyword ranking jump for a mortgage company
• Trusted by brands like Expedia, Dell, and Orbitz for ongoing site-wide SEO diagnostics

4. Victorious

Victorious is a US-based SEO agency that takes a strategist-led, results-focused approach to audits. Based in San Francisco and fully focused on SEO since 2016, their audits come with  a clear, prioritized roadmap. 

You’re assigned an actual SEO strategist (not just an account manager), and they remain involved through implementation. If you're looking for tailored audits tied closely to ROI, they’re a solid pick.

Key Services

• Full-site SEO audits with technical, on-page, and off-page focus
• Crawlability and indexing audits
• Keyword and content gap analysis
• Backlink audits and cleanup recommendations

Key Results

• Boosted organic traffic share from 31% to 40% for a fintech company
• Helped a national insurance firm increase conversions by 139% after audit-driven fixes
• Improved SEO performance across 100+ clients, including Segment, Bitly, and JotForm
• Holds a 4.8/5 rating on Clutch with clients praising strategy depth and communication

5. Markitors

Markitors helps small businesses grow through smart, affordable SEO. Originally a small Arizona-based agency founded by Brett Farmiloe, they’re now part of Elevato but still operate with the same small business-first mindset. 

Their team digs into your website using data from dozens of tools, then translates the findings into simple next steps. They also have pretty quick turnaround times, typically within a week or two. 

Key Services

• Full SEO audits combining insights from 70+ tools
• Technical checks, keyword gap analysis, and content audits
• Local SEO validation and backlink profile reviews
• Action plans built for small teams and limited budgets

Key Results

• Helped a local brewery double website sessions after an audit and content revamp
• Took a B2B firm to first-page rankings for key niche terms
• Delivered major traffic gains with low-cost, high-impact improvements
• Held the top Google ranking for “digital marketing company” for four years straight

6. Netvantage Marketing

Netvantage is an SEO agency with a solid track record in detailed, actionable audits.

Founded in 2008 by Adam Henige and Joe Ford, they’ve stayed boutique on purpose. Clients work directly with experienced SEOs, often the founders themselves. 

Key Services

• Page-by-page on-site SEO audits with keyword alignment
• Technical site audits covering speed, mobile issues, indexing, and Core Web Vitals
• Competitive analysis and keyword/content gap reviews
• Local SEO audits and Google Business Profile reviews

Key Results

• Autocam Medical saw 58% traffic growth one year, then 97% the next
• Coldwell Banker brokerage recorded a 110% boost in traffic to key local pages
• Helped a B2B site grow organic traffic 46% year-over-year
• One client recovered 90% of lost revenue after a site migration, thanks to Netvantage’s audit fixes

7. Seahawk

Seahawk Media is a global WordPress-focused agency that blends web development with SEO. So, they’re a strong choice for businesses running on WordPress. 

Since launching in 2015, they’ve partnered with major hosting providers like GoDaddy and DreamHost and built a reputation for technical depth, fast implementation, and affordability. 

Key Services

• Technical SEO audits tailored to WordPress (plugin setup, page speed, crawl health)
• Competitor and keyword gap analysis
• On-page and off-page SEO reviews with clear fix recommendations
• UX and site structure audits to reduce bounce and improve engagement

Key Results

• Helped The Sweet Basket recover 90% of lost sales within 12 months post-site migration
• Boosted organic traffic share from 31% to 40% for fintech company Lendified, doubling conversions
• Increased site speed and organic traffic by 30% for a healthcare client
• Trusted by hosting giants like DreamHost and GoDaddy to support thousands of WordPress users

8. Jammy Digital

Jammy Digital is a small, UK-based agency run by Martin and Lyndsay, a husband-and-wife duo who specialize in SEO audits with a strong content focus. They’re especially good at making SEO understandable for business owners and creators who want practical advice without the jargon.

Rather than handing over a dry PDF, they record a personal video audit walking through your website, making it clear what’s working and what needs fixing. It’s perfect if you want actionable guidance that feels like it comes from a trusted team, not a generic agency.

Key Services

• Full content audit with keyword alignment and blog strategy
• Technical SEO check covering speed, mobile and indexing issues
• Personalised video walkthrough of the audit
• Action plan with clear priorities and plain-English explanations

Key Results

• Helped a UK business coach double their organic traffic through structural fixes and content planning
• Took a consultancy client’s main keyword from page 5 to page 1
• One blogger saw noticeable traffic growth after implementing Jammy’s content cleanup suggestions
• Many clients report keyword rankings doubling within a few months post-audit

9. Infidigit

Infidigit is an enterprise-focused SEO agency based in Mumbai, known for deep technical audits backed by AI and serious data horsepower. 

Founded by Kaushal Thakkar in 2017, the agency has grown fast, now with 150+ specialists and award-winning campaigns under its belt. Their audits are incredibly thorough, covering 400+ checkpoints and often revealing technical issues most agencies would miss.

Key Services

• Technical and site architecture audits using log file analysis and Core Web Vitals
• UX and content audits informed by analytics and E-E-A-T principles
• AI-powered insights through their InfiGrowth platform
• Backlink audits with disavow planning and link equity analysis

Key Results

• Drove a 314% organic traffic increase for a media company
• Boosted a travel site’s revenue by millions through audit-led strategy
• Helped Myntra scale organic visibility significantly in under a year
• Took an edtech client to 200K/month in traffic through audit-backed content improvements

10. BlueHat Marketing Inc.

BlueHat Marketing has been around since 2005 and is one of the most experienced SEO agencies in Canada. They’ve helped everyone from small local businesses to major fintech and retail brands fix hidden issues through their audits. 

BlueHat blends old-school SEO knowledge with modern strategy, offering a well-rounded approach that covers technical, content, and off-page factors. 

Key Services

• In-depth technical SEO audits with dev-level fix implementation
• Content and information architecture analysis
• Backlink and internal linking evaluations
• Local SEO audits (if relevant) and competitive benchmarking

Key Results

• Helped Lendified grow organic traffic share from 31% to 40% and double conversions
• Recovered 90% of pre-migration sales for The Sweet Basket with a full audit and relaunch
• Frequently takes businesses from flatlined traffic to first-page rankings across critical keywords
• Long-term clients include brands in finance, tech, retail, and healthcare

How to choose an SEO audit agency

Experience and Track Record

The best place to start is with experience. 

Ask the agency if they’ve done audits for businesses similar to yours—same industry, same website size, same kind of goals. You don’t want to be someone’s test case. A solid agency will have examples ready to go: traffic increases, ranking lifts, technical fixes that made a real difference.

Take Embaraue, for example. If you’re running a SaaS, a job board, or a marketplace, we’ve probably worked on something similar. So, we know what to look for and what’s worth skipping.

Comprehensive services

An audit should look at the full picture, not just one piece of the puzzle. It’s worth asking, “Are you reviewing technical SEO, content, backlinks, and competitor performance?” You’ll want an agency that covers all of that, or at least is honest about what they don’t.

If someone only talks about content or just throws out a generic site speed stat, that’s a red flag. Strong audits connect the dots. They’ll show you how a technical issue affects rankings, how your content stacks up, and what competitors are doing that you’re not.

Use of tools and technology

Don’t get too impressed by tool names. What matters is how well the agency uses them. Ask what tools they use and how those tools feed into your audit. Are they just pulling a free Site Audit report and calling it a day, or are they actually interpreting data and spotting things you’d miss?

Realistic promises

If someone’s promising you page-one rankings in a week or guaranteed traffic lifts, walk away. That’s not how SEO works. No one controls Google, and quick wins often come with long-term risks.

A trustworthy agency will keep it real. They’ll say, “Here’s what we can fix, here’s how long it might take, and here’s what success could look like if we get it right.” That kind of clarity is way more useful than hype—and way more likely to get you results that actually last.

How Much Does an SEO Audit Cost in 2025?

There’s no one-size-fits-all answer here. SEO audits can range from $50 to well over $15,000 depending on how big and complex your site is, what you want to audit, and who you hire. Here’s a quick breakdown of what’s typical across the board:

Several factors can also push an audit up or down the scale:

Site size

A 50-page site is easier to audit than one with 5,000. Most agencies charge more as the page count or sections grow.

Complexity

Custom CMS? Lots of JavaScript? Multilingual pages? These all require more time and expertise to audit.

Depth of analysis

Do you want just a checklist of fixes or a full roadmap that includes competitor insights, content strategy, and UX improvements?

Industry competition

Tougher industries (like health, finance, or law) often need deeper audits to compete well, which can raise the cost.

What’s included

Some audits are just that—an audit. Others might include follow-up calls, content strategy help, or implementation support. That adds to the price, but might be worth it.

Start with the Audit That Actually Moves the Needle

You’ve just seen what a proper SEO audit does, what it costs, and who’s doing it best. Whether your traffic’s stalled or you’re prepping for a big push, an audit can be the difference between guessing and growing. If you’d rather not spend hours comparing every agency, we’ve got you. 

At Embarque, audits are baked into everything we do. We’ve helped sites like MentorCruise grow 1600% year-over-year—happy to take a look at your website too. Book a consultation and let’s chat.

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