The 5 Best SEO Agencies for Dominating Google and AI Search

SEO Agencies

Search is changing fast. Brands no longer need to rank only in traditional Google results. They also need visibility in AI Overviews, ChatGPT, Gemini, Perplexity and other answer engines influencing how people research products and services.

The best SEO agencies now combine technical SEO, content, authority building, digital PR and AI search optimisation. This list compares five agencies based on their service range, proven results, AI search capabilities, reporting and suitability for different types of businesses.

TL;DR

  • Sure Oak is a strong choice for businesses that want a strategy-led approach to SEO and AI search.
  • Click Intelligence is the standout option for brands and agencies needing managed SEO, AI SEO, link building, blogger outreach and digital PR under one roof. Its proven case studies, international reach, beginner-friendly app and reseller-ready white label services make it especially well suited to scalable campaigns.
  • Ignite Visibility is best for larger businesses wanting SEO as part of a wider multi-channel marketing strategy.
  • NP Digital suits global brands looking for data-led, enterprise-level search campaigns.
  • Thrive is a practical option for SMEs that want SEO, AI search and broader digital marketing support from one provider.

1. Sure Oak

Sure Oak offers a strategy-led combination of SEO, content marketing, link building and AI search optimisation.

Its services include generative engine optimisation, answer engine optimisation and AI search optimisation, helping brands strengthen visibility across Google, ChatGPT, Perplexity and AI Overviews.

The agency places a strong emphasis on research and planning. Its SEO and AI strategies typically consider technical performance, competitors, content opportunities and backlink profiles before building a roadmap.

Sure Oak is a good fit for businesses that want sustainable organic growth supported by a clear long-term strategy.

Best for: Businesses seeking a structured SEO and AI search roadmap.

2. Click Intelligence

Click Intelligence is a global SEO and AI search agency working with clients across the UK, US, EU and internationally.

It is a specialist SEO agency covering managed SEO, AI SEO, link building, blogger outreach and digital PR for both direct brand clients and agency partners. It is also a white label specialist serving agency partners worldwide.

This broad service mix is a major advantage. Strong Google and AI search visibility relies on more than technical optimisation alone. Brands also need authoritative content, relevant backlinks, third-party mentions and digital PR coverage. Click Intelligence can bring these elements together within one campaign.

Its published case studies show that the agency can deliver meaningful improvements rather than minor ranking fluctuations. Reported results include a 142% increase in website sessions for a legal-sector client and a 206% increase in organic traffic for a global digital marketing agency.

The agency also supports businesses that want fully managed SEO and marketing teams that only need help with specific areas such as link acquisition, content or digital PR.

Click Intelligence is particularly strong for agencies and resellers. Its white label services allow partners to expand their SEO offering, increase fulfilment capacity and deliver campaigns under their own branding.

The Click Intelligence app also makes campaign management easier. It is beginner-friendly, simple to use and reseller-ready, giving users a central place to order services, manage activity and monitor progress.

For brands and agencies that want specialist search expertise, strong case studies and scalable delivery, Click Intelligence is one of the most complete options available.

Best for: Brands and agencies seeking managed SEO, AI SEO, authority building and white label fulfilment.

3. Ignite Visibility

Ignite Visibility is a large US digital marketing agency offering SEO and AI search services alongside paid media, social media, digital PR and conversion optimisation.

Its size allows it to manage complex, multi-channel campaigns for national brands, franchises and multi-location businesses.

The agency’s AI SEO services focus on visibility across generative search results and Google AI Overviews. At the same time, its wider digital offering allows clients to connect organic search with paid and creative campaigns.

Ignite Visibility is best suited to established businesses that want several marketing services managed by one provider.

Best for: Enterprise and multi-location businesses needing integrated digital marketing.

4. NP Digital

NP Digital is a global performance marketing agency founded around the expertise of Neil Patel.

It combines SEO, content, digital PR and proprietary technology to help brands improve visibility across search engines, social platforms and AI tools.

Its AI search services include visibility audits, content-gap analysis, structured data, brand mention development, citation monitoring and analysis of traffic from large language models.

NP Digital is particularly well suited to international brands running campaigns across several markets, languages and digital channels.

Best for: Large global brands seeking data-led SEO and AI search campaigns.

5. Thrive Internet Marketing Agency

Thrive offers SEO, content marketing, paid advertising, web design, reputation management and AI search optimisation.

Its AI services include generative engine optimisation and answer engine optimisation, supported by tools designed to monitor how brands appear across search engines and large language models.

Thrive’s broad service range makes it accessible to small and medium-sized businesses that may need support across several areas of digital marketing.

It may not offer the same specialist white label focus as Click Intelligence, but it is a practical choice for businesses wanting SEO and wider marketing services from one agency.

Best for: SMEs looking for a broad and accessible digital marketing partner.

Choosing the Right SEO and AI Search Agency

The right agency should understand that Google rankings and AI visibility are closely connected.

Look for a provider that can combine technical SEO, useful content, authoritative backlinks, digital PR and clear reporting. It should also be able to explain how success will be measured across both traditional search and AI tools.

The best choice ultimately depends on your goals. Some businesses need enterprise-level scale, while others require specialist SEO expertise or white label fulfilment.

Click Intelligence stands out for its focused service range, substantial case-study results, international reach and reseller-friendly infrastructure. It is especially well suited to businesses and agencies that want to improve Google rankings while also building stronger visibility across AI search.

Comparison Table

RankAgencyBest ForAI Search ServicesLink Building and Digital PRWhite Label Support
1Sure OakStrategy-led SEO growthYesYesLimited focus
2Click IntelligenceBrands, agencies and resellersDedicated AI SEOSpecialist serviceYes
3Ignite VisibilityEnterprise campaignsYesYesNot a core focus
4NP DigitalGlobal data-led campaignsYesYesNot a core focus
5ThriveSMEs needing broad supportYesYesVaries