We are atom42

We help our clients get more customers

We’re a top-reviewed London based digital marketing agency, known for our no-nonsense approach. Just straight talking and smart thinking, delivered by people who care about your business.

What we do

A no nonsense digital marketing agency

Working in partnership with our clients, we mould around internal teams to provide support in the areas where they’re needed most to provide and deliver a well-connected acquisition focused digital marketing strategy. A straight-talking bunch of 40 ‘atoms’, based in London, who love what they do and care about who they do it for. If you’re ready for a refreshingly different take on the tired old client-agency relationship, we’d love to help.

Case Studies
Case Studies

Children with Cancer UK

Children with Cancer UK are the UK’s leading children’s cancer charity, dedicated to raising money to fund research fighting all childhood cancers. When Children with Cancer UK approached us, their website was looking dated and failed to put the most important content front and centre. This often left engaging and

increase in cash donation conversion rate


increase in direct debit conversion rate


increase in average time on page

Mac monitor showcasing atom42's advertising activity for Huffington Post UK on The Guardian website.
Case Studies

Huffington Post UK

We worked with Huffington Post on their ‘conversations start here’ campaign, planning and buying media activity to get their creative seen by a relevant audience. At the time, Huff Post was the 6th most popular online news publisher, and they wanted to break into the top 5.  In order to

Exceeded UV target


Increase in brand awareness


Industry awards won

Case Studies


We have been working with Drinkaware, the leading charity for alcohol awareness in the UK, since 2009. Since then, we’ve built digital into one of their most important marketing channels. Our team’s work across PPC, SEO, mobile, display, content and tracking has been award winning – achieving “best use of search

Increase in organic traffic


New users


Views of ‘cutting down’ content


Quality app installs


Ranked no.1 digital
agency on

atom42 employee hard at work.

The atom42 team are an integral part of business and I would recommend atom42 to anyone who is looking for an online and digital marketing agency.

- Rebecca Douglas, Head of PR and Comms, Premier Global

The entire company are a delight to work with. atom42 are methodical in their approach, dedicated to exceeding targets and go above and beyond in their efforts to deliver results.

- Ben Butler, Digital Manager, Drinkaware

I have worked with Atom 42 for years now. Not only are they a great company to work with, they are wonderful people. Knowledgeable, personable and efficient.

- Trevor Johnstone, Senior Product Manager, match.com

It was a pleasure dealing with such a professional team and now being an owner of the most beautiful new website. I would recommend Atom 42 to anyone that was looking for a digital marketing company.

- Shemin, Founder, Shemins.co.uk
Our Clients
Our Awards

We ask the right questions

atom stands for ‘acquisition through online marketing’ and that’s exactly what we do – create innovative online marketing campaigns to get you more business. The ’42’ is from The Hitchhiker’s Guide to the Galaxy; the Answer to the Ultimate Question of Life, the Universe and Everything. We strive to ask the right questions, challenge our clients, and understand your priorities

Contact Us

Want to chat?
Get in touch

Visit us at:

10 Queen Street Place
Thames Exchange