Transforming Polythene UK into an online market leader and generating £m’s in gross profit

Polythene UK is a leading supplier of polythene products to some of the UK’s best known brands. The multi-award winning firm are changing the perception of their industry by driving investment into greener packaging solutions.

As Polythene UK’s preferred agency partner, together we’ve transformed their digital presence over the years turning them into a online market leader. Through SEO and PPC campaigns, we are proud to be Polythene UK’s most effective sales channel based on revenues generated.


To maximise visibility across search and to generate a 5-10x return on investment from online channels.


A structured search marketing campaign to create long-term repeatable value through SEO, blended with short-term viability tests using paid channels.


Through two iterations of the website, we have continued to improve conversion rate % to lead using data to inform our actions. Following our proven method of setting out clear objective-based tests, and following them through to prove or disprove a theory, Polythene UK have benefited significantly from our marginal gains approach.


We have generated our client £m’s in gross profit and have established them as a market leader in the online search space whilst providing a constant supply of qualified opportunities. Polythene UK have continued to grow their business whilst saving on additional overhead and allowing the company to train their already highly-effective team.


Pounds back for every £1 invested

Over £5m

Generated from online activity


Revenue-generating channel

“I cannot recommend the team at Zest highly enough. Our visibility on Google and elsewhere brings us new business every single day. These are opportunities that would quite simply never have found us if it wasn’t for their exceptional ability to deliver results year-on-year.”

James Woollard, Managing Director, Polythene UK


Pounds back for every £1 invested​

Over £5m

Generated from online activity​


Revenue-generating channel

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