SEO Expertise Redefined

Data Driven SEO Solutions for Medium and Large Organisations

Transforming the SEO landscape since 2007

SEO is more than just a set of technical tactics. It’s an art and a science, and it requires a deep understanding of the latest trends and algorithms, as well as the unique needs of your business.

We focus on SEO auditing, planning, execution and testing as part of our core service offering.  We’re an SEO solution for medium to large organisations looking to:

  • Streamline their SEO strategy 
  • Drive revenue growth organically
  • Improve user conversion, accessibility & experience
  • Future-proof SEO efforts
  • Learn more about their organic opportunities and user base

Case Studies

Our Digital Expertise

Services we provide


Reputable, Sustainable & Ethical SEO Services that are geared towards driving website & brand organic growth. We offer out of the box, unconventional SEO that’s geared to results, not empty promises.

Pay Per Click (PPC)

We’re a specialist PPC agency in London offering full pay per click management services for businesses looking for better ROI, better return on ad spend & a more UX/CRO focused approach to conversion.

Disruptive Marketing

Out of the box, disruptive advertising, break free from the norm.

Digital Strategies

Digital solutions for digital problems. Our digital strategy services get you increased brand awareness, more leads and sales, improved customer engagement, better ROI on your marketing spend.

content marketing

Content Marketing

If you want organic traffic increases of 100%+, more engaged visitors, more people searching your brand, more external links from highly authoritative resources, more sales/enquiries, then get in contact with us.

digital pr agency

Digital PR Agency

Scale, build brand awareness, earn authority, gain digital respect. Read on to find out how our award-winning agency can help you with Digital PR.

who are we

Who We Are

Critical thinkers who have crafted an agency that specifically focuses on big data for SEO.

Assertive is a specialist EMEA/APAC (DGA) digital growth agency specialising in high end SEO strategies that are crafted from professional SEO auditing services. 

We’ve redefined what SEO as a service is; how it’s conducted, how performance can be measured, and how Big Data and SEO testing can be leveraged to help drive strong brand / non-brand growth organically.

Condensed processes, agile scrums and high-end expertise allows us to deliver digital growth services to medium, large and corporate organisations globally.

Client Testimonials

What our clients say about the service we deliver.

Clients We Work With

As an award-winning SEO company we know what it takes to get results that deliver more traffic, more revenue, more enquiries for your business.

Get a Quote

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Latest News

See the latest news, information and articles from Assertive.

Dominate Search Results: Powerful SEO Link-Building Strategies For 2024
14 Jul 24
Are you ready to catapult your website to the top of search engine rankings and leave your competitors in the…
Hannah O'neill
SEO Copywriter
Optimising For Search Intent: Why It Matters
3 Jul 24
Have you ever wondered why some websites seem to top the search results while others get lost in the shuffle?…
Hannah O'neill
SEO Copywriter
Author and Publisher Entities: How The Google Leak Confirmed Their Significance
14 Jun 24
Content dominates marketing. Think about it: someone types a query into Google, and it brings up relevant results. Whether blog…
Aly Johnson
Head of Content
The Google Leaks: What Does it Mean For SEOs?
13 Jun 24
Data leaks are nothing new, and we often expect to see them from companies, including financial organisations and even government…
Hannah O'neill
SEO Copywriter