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digital strategists, analysts and creatives


We are a leading digital marketing agency made up of strategists, analysts and creatives. And with over a decade of experience, we have built a reputation for delivering success online.


Whilst other agencies tire themselves out in a bizarre competition of who can shout the loudest, we know that it’s a quiet understanding of how to reach the people who matter that pays dividends.

Contact Usmeet the team


average organic traffic growth across clients


average increase in search visibility


average revenue growth across clients

our story

Zelst was established in 2005 by Peter Van Zelst. Having spent the previous six years developing a successful online florist business, Peter felt that the time had come to hang up his gardening gloves and share his knowledge with other businesses.

Since then, Zelst has continued to develop and grow into a successful digital marketing agency. We’re a friendly, highly talented and creative team who share a passion for digital and making our clients happy.

SEO Team

Search Experts


average revenue growth

meet your team

Peter Van Zelst
Managing Director

Sarah Van Zelst
Client Director

Sophie Singer
Account Director

Increasing Organic Search Traffic by 5,079% in the Construction Sector

Read how we achieved market leadership in the construction sector.

As well as an increase in Organic Search Traffic by 5,079% over three years, we also increased Search Visibility by 864% using a carefully developed and targeted integrated search and content campaign, turning an empty order book into an overflowing one.


Construction Case Study

What can you expect from us?

We believe that the best relationships are built on mutual trust, openness and honesty. Zelst only works with one company in any market, so if we work with you, we are totally committed to you and your success

1. Understanding your roots

We take the time to fully understand your business background, including your brand, market, team and resources.

2. Align with your vision for growth

We make sure we’re on the same page when it comes to your objectives, your ambitions and your timescale for growth.

3. Strategise a content plan for your business to flourish

We carefully develop a unique content creation strategy which will help your business to flourish online.

4. Cultivate content that yields results  

We implement your content strategy to the highest standard, and consistently adapt it in line with the fast-paced digital landscape.

let's work together

If you’re passionate about your online business growth, book an appointment.