Finding great SEO agencies in today’s cluttered and crowded market is a challenge for a lot of business leaders. You know you need to outsource this element of your marketing, but you can’t find the agencies who will do it well for you.
That’s where this review post comes into the picture. We run through some of the top agencies out there for 2025 and what we think makes them so special.
Fundamentally, SEO is all about helping you rank higher in Google search results for your key terms. However, the quality of service you receive can vary significantly, depending on who you use.
This review breaks down some of the best options in each category before finally wrapping up and telling you which option we think is best overall,
1. Best For International SEO – Eskimoz
Topping our list is Eskimoz, the option we think is best for international SEO. This multilingual agency focuses on maximising organic revenue by appealing to customers natively across markets, including the UK, Germany, France, Spain and Italy.
From experience, we know that making a success of SEO is something that takes a lot of time. But if you want to go multilingual, that just makes the whole process even harder, and sometimes you have to work with multiple teams to get it done.
Eskimoz changes the dynamic here, allowing you to do international SEO through a single agency. This luxury is something that we appreciate enormously, and can deliver real competitive benefits.
2. Best For Expanding Businesses – Thrive Media
Coming in at number two on our list is Thrive Media, another company that has been around for quite some time now. This agency built its reputation in the early days of SEO by providing its customers with tangible, real-world and actionable results that drove sales and conversions.
Thrive focuses on customers experiencing various pain points, including not being found online, or sudden drop-offs in website traffic. It uses these as hooks to attract people to use its services, offering solutions.
Where Thrive is most helpful in our experience is when the volume of traffic you’re receiving suddenly goes into overdrive and you see an opportunity to scale your business. Thrive can deal with this by providing the solutions and tools you need to grow in the future and make things happen,
The downside, of course, is that the agency is a little generic. But that’s often just what you need if you’re about to go through a big growth spurt and aren’t sure how to handle it.
3. Best For Revenue Growth – Victorious
On a similar theme, you might want to opt for Victorious, an SEO agency that focuses on revenue growth. This outfit isn’t just interested in ensuring you scale, but also that you do so in a way that grows your top line results.
Victorious is widely believed to be the “most awarded” SEO agency in the industry because of its impact on customers. We found that it only used proven SEO techniques to boost financial growth and worked by helping managers and marketers break through barriers on the way to success.
In other words, Victorious understands the importance of figuring out how to win before taking action. It spends a lot of its time conducting various fact-finding missions to see what’s possible and how things can improve.,
Furthermore, it works to help its clients outshine their competitors. This extra polish is what we found often meant the difference between competing in an industry, and dominating it,
4. Best For Up-And-Coming SMEs – Quirky Digital
For brands looking to expand in their markets, then Quirky Digital could be an option. We like this outfit because of the tailored support it offers SMEs, a class of firms that often get overlooked.
Quirky Digital excels in finding and fixing problems that other agencies can struggle with. It looks through the weeds and pays attention to each of its customers, trying to figure out what might be going wrong, and what they need to do to fix their situation,
Part of this comes from scalable content production and link building, which are standard at a lot of agencies. However, it also emerges from digital PR and conversion rate optimisation, which are services that are generally harder to find.
Local SEO is also a big part of what Quirky Digital does, which is another reason we love the company so much. The fact that you can get specialist advice for a local brand is a real godsend and something that can put you at a big advantage if you decide to continue working with Quirky long-term.
5. Best For Search Strategies – Screaming Frog
Finally, we have Screaming Frog, our top choice if you want an agency that focuses on search strategies. This outfit is famous for its website crawler spider tool that provides deeper insights into the direction your SEO should go.
Screaming Frog has been a part of many businesses’ extended marketing teams for many years. They are also a brand’s go-to SEO agency, helping them achieve remarkable results from organic search in various sectors.
We like Quirky Digital because of its multi-pronged approach to SEO. The company is famous for combining Google audits with digital PR to take advantage of opportunities as they come along, instead of missing them, as many agencies do. It can also do the technical aspects of SEO, though, which may be helpful to some companies, depending on your setup.
Final Verdict
Overall, our winner in this review for agency of the year 2025 has to be Eskimoz, simply because of the uniqueness of its business mode. While there were many other agencies in the running, none offered multilingual support in the way this one does, giving it a real competitive advantage over the other firms out there.
There were, of course, other notable mentions. For example, Screaming Frog is another five-star option because of its SEO spider tool, something that’s used by thousands of SEO agencies across the globe.
