How Much Does an SEO Audit Cost in 2025?

In the digital marketing world, SEO is a powerful tool. But SEO is a vast topic, and changes from business to business. So, how do we know what should be done to improve a sites SEO. And this is a SEO audit comes in, an SEO audit allows an SEO agency to identify how to improve how a site ranks in search engines and improve user experience (UX). When looking to carry out a SEO audit one of the most important factors that need to be considered are costs. So how much does an SEO audit cost? This guide is your essential resource for understanding SEO audit pricing.

How Much Does an SEO Audit Cost? 

On average for an SEO audit you can expect anywhere between £500 and £10,000 for a full SEO audit. These costs can vary based on many factors, including website size, the depth of the audit, the type of audits, etc.

There are free audits available that can provide a basic overview, these are great starting steps to help businesses identify what type of comprehensive audit should follow. Here at Polaris, we offer a range SEO audit prices based on the depth of audit that you wish. 

What Factors Affect the Cost of an SEO Audit?

Factors influencing the pricing of an audit can include the size of your website, the complexity of your industry, and the specific services included, and the size of the agency you decide to use.

Website Size, Age and Complexity

The size and complexity of your website are major factors influencing the cost of an SEO audit. Larger websites with numerous pages, intricate structures, and dynamic content require more time and effort to work through. For instance, an e-commerce site with thousands of product pages demands a more extensive analysis than a small business site with just a few static pages. The complexity of an audit can also vary based on what CMS your site has, for instance it can be simpler to do an audit on a site using WordPress in comparison to Magento.

Audit Depth and Detail Needed

The depth of the audit plays a crucial role in determining its cost. A basic audit might cover essential aspects like on-page SEO, technical SEO, and backlink analysis, whereas a comprehensive audit delves into content quality, user experience, and competitive analysis. A more in-depth audit requires more time and expertise, leading to higher costs.

Auditor’s Expertise and Reputation

The experience and reputation of the SEO auditor or agency can significantly impact pricing. Seasoned SEO professionals with a proven track record charge higher fees due to their expertise and the value they bring. Their advanced knowledge and effective strategies ensure a thorough audit, providing significant insights and improvements for your website.

The Type of SEO Audit

The specific type of SEO audit required for your website also affects the cost. There are various types of audits, including technical audits, content audits, social audits, link audits (off-site audits), and competitive audits. The type of audit needed depends on your website’s goals and current issues.

Technical Audit

A technical audit allows experts to identify whether your website is operating as intended and there are no issues which are affecting indexing, search engine visibility and UX. Crawling the site will allow technical SEO experts to identify site issues.

Content Audit

During a content audit, SEO content experts is the inspection of content and copy that is integrated on site. Usually, the landing page, service pages and blog content is reviewed where content is checked for relevance, intent and EEAT and YMYL factors are covered. From a content audit you can get suggestions on new content ideas, content upgrades and what content should be culled.

Competitor & Search Audit

During competitor and search audits, SEO experts carry out this type of an audit to identify competitors for websites, and use this as a benchmark to identify gaps and opportunities to leverage to help improve a sites visibility in search engines.

Backlink Audit

In a backlink audit (this is also known as an off-page audit), SEO agencies carry out an analysis to identify a websites current backlink audit where they assess the site’s current domain authority, existing toxic links, backlink opportunities to improve your off-site visibility.

Pricing and Audit Depth

The depth of an audit can also be dictated by the package or service purchased. If the audit comes as part of a specific package or service tier offered by the agency, the price of these services is likely to affect how in-depth the audit goes. This can present an option that provides more value for money, as the audit and its costs will be targeted specifically on the factors and performance areas your agency will be focusing on improving.

At POLARIS, we offer both options. We include a targeted audit on your SEO performance as part of all our package levels. These audits analyse your entire site, but we provide recommendations specific to the performance areas you’ve selected within your package. If you’re just looking for an audit, we provide standalone audit services with prices starting from £2,450 plus VAT.

What’s the Difference Between an SEO Audit and an SEO Audit Tool? 

An SEO tool offers automated, often superficial analysis of your website’s SEO performance. Most tools only provide a basic collection and representation of your data and performance, and often lacks any contextual information or reasoning as to what’s happening with your performance, why, or the factors behind it.

In contrast, an SEO audit is a thorough, manual review conducted by experts, analysing collected data from multiple sources to provide a detailed overview of your performance – including information on the reasons that are influencing changes.

Why Pay for an SEO Audit Instead of Using Free Tools? 

An SEO audit is simply a diagnostic tool that helps you understand your current SEO performance as well as notify you about technical issues that currently exist on your site. Using one of these tools can provide you with basic information and insight, but without knowledge of how to use these tools it can be inefficient and there may be errors in the data it produces.

Engaging an agency to conduct an SEO Audit provides some key of benefits:

• Time-efficiency in data collection and assessment. Agencies with SEO audit services have access to advanced audit tools with the capacity to extract more data, and they’re efficient at using these tools.
• In-depth analysis informed by years of experience. With experienced auditors who have years of expertise, agencies are able to apply this deep level of knowledge to your website to provide insights you simply won’t get from tools.
• An audit delivered in a form you can understand. When producing an audit report, agencies won’t just give you the spreadsheets and graphs – they’ll provide analysis you can understand as well as the specific recommendations to fix issues or improve performance.

How Can I Pick the Right SEO Agency to Do an SEO Audit? 

Choosing the right SEO agency is crucial for a successful audit. You’ll want an agency that you can trust to deliver good value for money – and tell you the truth about potential issues, their effects, and how difficult it may be to improve performance. Consider the following factors: 

• Experience and expertise in your specific industry or sector – do they have proven and visible experience of driving results for a business like yours? 
• Comprehensive service offerings – does the agency provide other services that suggest it has experience in all areas of SEO?
• Transparent pricing and clear deliverables – is their pricing criteria easy to find and clear on what services will be delivered and how much it will cost?
• Positive reviews and case studies – do they have positive reviews specifically for their migration services? Have they published case studies showing off their studies.
• Expert analysis and reporting – do they provide clear, accurate reporting of their analysis and is it informed by expertise?

Looking for an SEO Audit?

Ready to elevate your website’s SEO performance? Unlock your site’s full potential with a comprehensive SEO audit tailored to your business. Our experts at POLARIS are here to guide you through every step. Contact us today at to schedule your free consultation.