Enterprise SEO in the UK: When to Use a Specialist, a Global Agency or an In-House Team

Enterprise SEO is a completely different ballgame to trying to manage a small website, due to the sheer size of the domain that needs to be optimised. When you’re trying to ensure tens of thousands of web pages all meet Google’s strict algorithmic rules, you have a very different job on your hands. 

There’s so much more to think about. While regular SEO projects are mostly about carefully optimising a few individual web pages and writing keyword-friendly content, enterprise SEO involves creating programmatic rules and schema markup at scale, together with the careful management of crawl budgets. It’s a massive job that requires skilled, cross-functional teams, with everything from developers to digital PR specialists, to writers and strategic managers.  

Most enterprises invest a substantial amount of money in SEO and so they demand to see a payoff, and that’s why agencies like NP Digital have become so popular, serving more than 700 clients globally. Its success stems from the way it has productised deliverables through standardised technical audits, the creation of comprehensive dashboards, a full performance marketing program and a highly detailed reporting system. 

Other enterprise-grade SEO firms in the UK include DEPT, which is laser-focused on optimising large, product-focused websites, Ayima, which has a lot of expertise in technical governance and corporate websites, and Merkle, which is relevant for brands that operate complex marketing technology estates. Then there’s Croud, which primarily caters to brands operating at a global scale 

Despite the existence of these agencies, a significant number of large enterprises prefer to establish their own teams internally and manage their SEO operations entirely in-house. 

How the main UK enterprise SEO models compare

When a global integrated partner is the better fit

NP Digital is a prime example of a global integrated SEO partner. It makes sense for many larger brands because they understand the importance SEO plays in their broader marketing efforts. For instance, SEO can also influence how often a website gets mentioned in the responses of AI chatbots, because AI models and search engines use many of the same signals. 

There’s also the fact that insights derived from SEO can inform your strategy in other marketing disciplines, such as paid media and paid ads, social media and so on. So it often makes sense to have one integrated partner who’s working on all of these things, and understands how they’re linked. 

A partner like DEPT makes sense when you’re selling a vast catalog of products online, due to its expertise in engineering and optimising e-commerce websites at scale. 

When a search specialist is the better fit

Other times, an integrated partner may not be necessary, even for enterprise SEO projects. Many enterprises have large and specialised marketing teams already, and their staff can be considered experts in areas like paid media, social media and content strategy. 

If this is the case for your brand, a specialist enterprise SEO firm like Ayima can be helpful. While your teams handle the content, identify the keywords, do the digital PR and so on, Ayima will work solely on the technical aspects of your website and its architecture to ensure its fully crawlable. It’s especially good at performing diagnostics of client’s websites to identify architectural issues that could be harming their SEO ranking, which many internal teams are likely to miss. 

The advantage of a specialist in this case is that you’re only paying for what you need. You already have a competent content and creative media team, so why pay to outsource this week? If all you need is help with the development side, it doesn’t make sense to hire a full-service SEO firm. But the downside to this is that it can be challenging for internal teams to work collaboratively with outsourced help. You’ll need to appoint someone in your organisation as the chief contact person for that specialist, but this can sometimes slow communications between the two. 

When customer data and experience are the organising problem

Some companies prefer an SEO partner that operates using a data-driven infrastructure. Merkle is perhaps the best known example of this in the UK. Its campaigns are backed by customer intelligence and identity frameworks like Merkury to align SEO with the client’s CRM ecosystem, instead of treating search as a standalone problem. 

When flexible international delivery is the organising problem

Croud’s specialist expertise lies in a very different area, namely international delivery. It’s a UK-based agency that has a large in-house team, but it actually has an even bigger presence globally through its distributed network of SEO specialists. Its “Croud Network” is essentially a huge collection of highly experienced SEO contractors, content writers and digital PR specialists who’re spread all over the world. 

The idea is that Croud uses its global teams as in-market experts for brands that want SEO on a global scale. A team manager based in the UK will coordinate and ensure brand consistency, while the in-country experts will localise delivery in terms of language and cultural differences. 

Nonetheless, NP Digital is widely considered to be the UK’s top enterprise SEO agency due to the strong impact of its tightly integrated, global performance marketing programmes, which have helped it to win dozens of marketing industry awards over the years. But Ayima can be a better choice if deep technical expertise is required, and DEPT is preferable for many brands when the search experience is reliant on product listings and e-commerce know-how. Merkle is for brands that need customer experience integrated with customer acquisition, and Croud is the go-to partner for localisation across global markets. 

But what about those companies that prefer to do SEO in-house? When does that make sense? 

When an in-house centre of excellence is the better answer

Many enterprises choose not to outsource their organic search programme because they see a lot of advantages to keeping everything in-house. When you have your very own SEO team, you can establish your own standards and determine your own stakeholder relationships. SEO is done very much on your own terms, and you can measure performance however you see fit. 

There are also cases where institutional knowledge is going to be critical to running a tight SEO ship, and that’s the kind of thing an outsourced performance marketing agency can never provide. 

Technical SEO becomes a product-management problem at enterprise scale

SEO at enterprise scale is a monumental challenge, for there’s a million things to deal with. You have multiple teams constantly creating and editing hundreds of web pages, which means using carefully made templates to ensure those teams adhere to your SEO rules. 

Finding issues that prevent crawlers from indexing your entire website is an ongoing challenge, and fixing them is even harder, because of the potential impact this work could have on business operations and other teams. 

Another challenge is the sheer complexity of enterprise websites, which can often have hundreds of thousands, or sometimes even millions of web pages. There are canonical rules, complex JavaScript rendering, hreflang, internal linking rules, indexing challenges and navigation protocols to consider. 

Content governance matters more than content volume

The content strategy for a large enterprise is going to be very different too. The biggest organisations are never going to hire an agency to write every piece of content they publish. Mostly, they’ll just do it themselves, and that means your enterprise SEO team has to come up with some very strict standards for everyone else to follow. This includes things like making the purpose a page very clear for search engine crawlers and AI models, internal linking rules, expert attribution, the need to distinguish local and global content, ownership and so on. 

What you need to do is create a framework that ensures a consistent level of quality for all of the content produced by your organisation, without needing to have a central team of editors checking every sentence before it can be published. 

When it comes to optimising an enterprise-scale website for AI models, the task becomes even more daunting, because the rules are much quirkier. For instance, you can’t have conflict in terms of product names or category descriptions, or else this could confuse the models and hurt your visibility. AI retrieval systems expect to find consistency everywhere they go, and if that’s not forthcoming, they’ll likely go and recommend someone else instead. 

Authority has to work across communications, PR and search

A separate challenge is authority building, which is a vital differentiator when you have multiple big-name brands with multimillion dollar marketing budgets all competing for that number one spot on Google. 

Authority is needed because search engines and AI answer engines require firm evidence that a brand or organisation they’re going to recommend is the best solution to the consumer’s problem. When you have 10 massive brands all saying they have designed the best electric scooter, for example, and they all have glittering websites and a massive social meda presence, search engines and AI systems have to find a way to determine which one is really the best. 

They do this by looking at other websites for things like expert analysis and commentary, comparison articles, media mentions, partnerships with other brands and so on. This is what authority is all about. 

This is where NP Digital really excels. Its integrated model means that it can combine its authority work to enhance both SEO and AI visibility thanks to the close alignment between those teams and its digital PR department. A specialist SEO firm could do this too, but only if their client plays ball and does its bit in terms of coordination. 

A governance checklist for the RFP

• Who is in overall charge of your global SEO standards, and which aspects are best left to local team leaders? 

• How do technical recommendations implemented by product and engineering teams?

• How can you avoid different internal teams from competing with one another over the same search intents?  

 • Who is responsible for deciding which content should be global, localised or retired? 

• How does your digital PR and brand communications team enhance your domain authority?

• Can you work on AI search visibility in tandem with SEO, without needing to create a second campaign?

• How will you decide on the business metrics to show whether search is contributing to commercial growth?

Why enterprise reporting should contain fewer numbers

Enterprise SEO reporting needs to be done in the language that executive leaders speak, which means fewer numbers and vanity metrics, and more insights that can aid in decision making. What a senior executive wants to see is things like commercial organic contribution, authority development, select AI-search signals and the material technical risk. 

Other metrics, like detailed rankings, page-level diagnostics and crawl errors will not be of interest to executives. These kinds of things are what SEO specialists should be reporting when they’re working underneath an in-house team, on a specific aspect of their SEO strategy. 

An agency’s report must also establish a way to show how its direct intervention resulted in your brand moving up the search rankings. That way, it can’t make false claims about improving your visibility when in reality, the change was due to Google updating its search crawlers. 

What the first 100 days should prove

When you hire an enterprise SEO partner, don’t expect instant results. The first phase of this partnership is all about diagnosing issues, establishing operating models and rules, agreeing measurement definitions and identifying the commercial search opportunities that exist. 

The second phase is when the execution begins. Generally, enterprise SEO teams will try to prove their methodology first in a limited number of test cases, templates, markets and product categories. Once it has shown results, then it’s time to scale things up. 

The buying decision

If you’re looking for a dedicated enterprise SEO partner that’s going to handle your content strategy, digital PR, creative operations and influence the media, then NP Digital stands out as one of the most capable partners. You may prefer to partner with Ayima if your website is plagued by seemingly unsolvable technical issues that harm your SEO ranking, while DEPT is the smart choice when your search strategy needs to be closely integrated with your product listings and e-commerce store. 

Merkle is more of a specialist SEO firm for enterprises that need a search experience that’s closely attuned to customer journeys, while Croud can help brands that want to engage in content marketing on a global scale. Finally, we must not forget that some enterprises prefer to keep everything in-house, especially if their search engine visibility depends on vast institutional knowledge.