Case Study
One of our most recent marketing client case studies

Assertive have been a useful asset for our marketing efforts. They’ve been responsive & adaptive to our needs – I wouldn’t hesitate to recommend them.

- Larisa Lucaciu (Head of Marketing)
Search Engine Optimisation Specialists
Search Engine Optimisation

Specialist, Highly Bespoke Technical SEO Services for Medium & Large Organisations.

Pay Per Click

Effective Return on Investment Driven PPC Services & Optimisation on Google & Bing Ads.


Professional conversion optimisation & user retention services for Medium & Large Businesses.

Good quality search engine optimisation is far more than just writing content, changing your title tags and building links – it’s about giving your website visitors & potential customers what they are looking for & whilst building a trusted website and brand.

As search & digital marketing practices evolve it is vital to ensure your business is ahead of the curve. This means constant algorithm background research & pro-active website management can ensure that your business remains ahead of the game. As algorithms evolve & as Google becomes smarter, ranking techniques change – we adopt a pragmatic approach to ensuring all of our SEO clients remain above the best practice line.

Our focus is to ensure your searching audience becomes real-life, engaged website visitors who want to buy your product, use your service & spend money with your business thanks to smart, data-driven SEO marketing from one of the UK’s best SEO agencies.

Clients We Work With

Assertive is an established search engine optimisation agency serving medium & large clients in London, Manchester, Leeds, Birmingham, Bristol, Bournemouth, Kent & the rest of the UK and Worldwide. Some of our clients include:

Our Digital Expertise
Below are some of our top level digital services.
SEO Services

Our SEO agency in London delivers premium SEO services to help drive strong organic growth.

PPC Services

If you are looking for a digital marketing agency to handle your PPC, look no further.

Digital Marketing

Is your business looking for SEO & PPC, Display or Remarketing? We offer integrated digital marketing.

Site Auditing

We provide full SEO, User Experience & Conversion Auditing for websites.

Content Services

We create compelling content marketing strategies as well as content copywriting.

Link Outreach

Link Building & Outreach Campaigns to drive strong authority & organic growth.

Where we are featured and accreditations

How do we work?

Effective, performance driven SEO is about delivering a website that ticks all the boxes when it comes to giving the end user a fantastic user experience. This means making websites light, fast, agile, easy to navigate, making landing pages so they give the end users what they want without having to think or click around in a hopeless search. We work by delivering search engine optimisation that is tailored to giving your potential customers the information, product, service they are looking for in a clean and agile framework. We use tried, tested and refined SEO methods on the back of best practice, big data and thorough competitor marketplace research.

Who we do SEO for

From our base in London, we deliver SEO services to businesses across the UK, Europe and Worldwide. From SMEs to corporate brands we deal with businesses across all different sectors from government and local authority to retail & insurance giants. With over 50+ years of combined SEO experience, Assertive delivers a reliable, data driven, research backed SEO strategy that is tailored to your target audience / end user. We drive sustainable ranking growth & traffic growth that will bring with it revenue and a flourishing return on investment. We’re here to stay and to deliver a premium quality, fully transparent service to help businesses grow.

Latest News
See the latest news, information and articles from Assertive.
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Client Testimony
What our clients say about the service we deliver.