10 Best Technical SEO Companies (2023)

When a lot of people think of search engine optimization (SEO) they think of content and website copy. But one of the main determining factors when it comes to the ranking of your website in search results is the technical infrastructure of your website. One of the easiest ways to improve the technical aspects of your website performance is to work with a technical SEO company.

In this guide, we are going to showcase the 10 best technical SEO companies in the market. Before we get into our list, we are first going to explain what a technical SEO company is and why you should consider working with one.

What is a technical SEO company?

A technical SEO agency helps ensure your website’s infrastructure is set up and working correctly to maximize your search performance. This includes making sure your URL structure, loading speed, and site navigation are set up correctly. When they find any issues, they can fix them to help boost your website’s performance.

Why hire a technical SEO company? 

• Boost marketing results. Getting the technical aspects of SEO right means you’ll see a boost in traffic and conversions.
• Better website performance. Getting all the aspects of technical SEO right also means you’ll improve the performance of your website for your users.
• Save time and money. Technical SEO firms understand what works and what doesn’t. This saves you both time and money.
• Domain experience. Working with a technical SEO company gives you access to experts without the need to hire them in-house which can cost a lot of money.

Best technical SEO companies

1. Salt Agency

Salt.agency tops our list of the best technical SEO companies. The company has decades of experience working with some of the world’s top brands to help improve the performance of their website when it comes to ranking high in search results.

They offer numerous technical SEO services, including

• Technical SEO consultancy
• Website SEO auditing
• Migrating your website to a different platform
• Server log file analysis
• Website architecture reviews
• Local SEO improvements
• International SEO improvements, and
• Mobile SEO improvements

If you’d like to learn more about Salt Agency and how they can help boost your SEO performance, you can book a free consultation on their website. They currently have offices in both the United States and the United Kingdom but also work with clients remotely. Due to their industry experience and track record, you should expect to pay quite high fees to work with them, but you can expect very good results.

2. RevenueZen

RevenueZen is a top technical SEO company that helps companies improve the performance of their website and content. RevenueZen focuses on helping business-to-business (B2B) clients and has worked with thousands of clients across multiple industries.

Their technical SEO services include:

• Technical SEO audits
• Keyword research and analysis
• Link building
• Competitive analysis, and
• On-page optimizations

All new clients can book a free strategy session to learn more about how RevenueZen can help your business improve the performance of your SEO. If you’re interested in learning how they have helped past clients, they have an extensive list of case studies on their website for you to read. If you own or manage a B2B company, RevenueZen is a good technical SEO company to partner with.

3. Radd Interactive

Radd Interactive is a technical SEO company based in San Diego that has worked with hundreds of clients to improve the technical aspects of their SEO performance. The team at Radd Interactive is made up of highly experienced digital marketing professionals with decades of experience.

They offer a wide range of technical SEO services, including

• Technical SEO audits
• Keyword research and analysis
• On-page optimizations
• Tracking and performance reviews, and
• Competitive analysis

All new clients, whether they are based in San Diego or beyond can arrange a free initial consultation with one of their technical SEO experts who will be able to discuss your goals and give you a quote for how much they charge. If you’re happy with their quote you can sign up as a new client.

4. Thrive

Thrive is another digital marketing agency with experience planning and implementing technical SEO improvements to their client’s websites. They offer a vast number of technical SEO services, including

• Running crawl error reports
• Eliminating duplicate content
• Auditing domain structures
• Improving metadata
• Checking broken links
• Creating an XML sitemap
• Implementing Secure Sockets Layer (SSL)
• Increasing site loading speed
• Utilizing robots.txt
• Optimizing websites for mobile
• Auditing redirects, and

To help make working with Thrive less risky, the company offers all prospective clients the ability to request a free marketing proposal that outlines how they work and how much they charge. You can also read case studies on their website that explain how they have improved past clients’ technical SEO performance.

5. Search Engine People

Search Engine People is the next entry on our list of the 10 best technical SEO companies. The company offers technical SEO services to a wide range of both for-profit and non-profit clients. They can help with all aspects of your technical SEO performance, including undertaking:

• SEO audits
• Crawlability audits
• On-page SEO analysis
• Off-Page SEO analysis
• Site architecture improvements
• Eliminate duplicate content, and
• Updating website structures in line with the latest algorithmic changes

Search Engine People allows all new prospective clients to request a free quote. They will take all of your information and then analyze your website’s current performance so they can give you a detailed quote for their recommended actions to improve your performance.

6. WebFX

WebFX is another technical SEO company that you should consider working with. When you become one of their clients you will gain access to a large network of technical SEO professionals who have decades of experience improving the technical performance of websites, so they rank higher in search results.

They currently offer the following technical SEO services:

• SEO audits
• Competitor analysis
• Keyword research and mapping
• Robots.txt optimization
• XML sitemap creation and submission
• Information architecture audits
• Link redirect audits, and
• Duplicate content analysis

The company offers 3 different monthly plans, each with a set of actions they will undertake to improve your technical SEO. The plans range from $2500 to $8000 per month.

7. Delante

Delante is a technical SEO agency that uses data capturing and analysis to improve the technical SEO performance of its clients. The company has worked with hundreds of clients across multiple industries and has a good track record of success within the industry.

The company offers technical SEO services, such as:

• Technical SEO audits
• Link building audits
• Fixing crawl errors
• Sitemap optimization
• Fixing content duplication
• Meta Tags optimization
• Redirects optimization
• Image optimization
• Website migrations
• Page speed optimization, and
• URL structure audits

All new clients can request a free quote for their services and if it’s within your budget you can sign up as a new client and their team will get to work improving your SEO performance.

8. Single Grain

Single Grain is a top digital marketing agency that has worked with clients across multiple industries such as crypto, SaaS, e-commerce, and education. One of their core services is to help clients with all aspects of their SEO performance. 

Some of their main technical SEO services include:

• Technical SEO audits
• Competitor analysis
• Keyword research and mapping
• Robots.txt optimization
• XML sitemap creation and submission
• Information architecture audits
• Link redirects audits, and
• Duplicate content analysis

All new clients can request a free marketing proposal that will outline how they can help improve your technical SEO performance. Simple Grain would be a good choice if you want more than just a technical SEO agency as they also offer a lot of other digital marketing services.

9. Orainti

Orainti is a boutique technical SEO firm that has worked with hundreds of clients, including well-known brands such as Zillow, EventBrite, Sage, and Under Armor. They offer all of the major technical SEO services you would expect from a top technical SEO firm. These services include

• SEO audits
• Competitor analysis
• Keyword research and mapping
• SEO consultancy and advice
• International SEO
• SEO training
• SEO strategy, and
• Mobile Optimization

Due to the experience of the team at Orainti, you will need to have a high budget to work with them, but you can expect to achieve excellent results. If you’d like to set up an initial consultation with the company, you can contact them through their website.

10. Victorious SEO

Victorious SEO is another good technical SEO company you should consider working with. Working with Victorious SEO involves setting up an initial consultation so you can discuss your SEO goals with them, and they can tell you how they work and how much they charge.

Their technical SEO services include:

• Comprehensive SEO audits
• Competitor analysis
• Keyword research
• Link building
• Anchor text analysis
• Robots.txt optimization
• XML sitemap optimization
• Information architecture audits
• Link redirect audits, and
• Duplicate content analysis

Overall, the company has a very good reputation in the industry and very high ratings from past and present clients. If you’re looking for an agency that can handle every aspect of your SEO plan, Victorious SEO might be the best choice on this list for you.

The bottom line

There are many great technical SEO companies you can choose to work with. When selecting a technical SEO firm make sure you ask to see examples of their past work. This will allow you to find out if they have achieved results for clients in the past.