Zest Digital Reviews & Agency Profile

About Zest Digital

Zest Digital is a search marketing agency that now trades from 2 Oak Court, North Leigh Business Park, in West Oxfordshire, under the company Zest Digital (Holdings) Limited. Their work falls into three areas: consultation, SEO and PPC. The sectors they name are medical technology, medical devices, diagnostics, veterinary, optical and vision care, laboratory and scientific, regulated manufacturing and groundworks. They have had more than 350 customers since starting in 2010.

The agency began as an Oxfordshire start-up in 2010. In 2014 Alex Minchin was managing director, the agency won a Wirehive 100 award for fastest growth, and early clients included the National Trust and Ocado. In later years it had offices or addresses in Oxford, London, Bristol and Birmingham and a team of roughly 10 to 50 people. The original Zest Digital Limited is in liquidation, with a holdings company as its controlling entity, and current trading runs through Zest Digital (Holdings) Limited.

Their consultation stage covers growth mapping, search audits, KPI setting, ideal customer profiles and channel planning. SEO work includes tracking, content, local search, strategy and optimisation for AI answer engines, and PPC covers paid search, ad creative, landing pages and bidding. Campaigns are coordinated by Agency Brain, an in-house agentic system that monitors rankings, ad spend and intent signals around the clock and ranks issues by expected return. It also samples brand visibility in ChatGPT, Claude, Gemini and Perplexity three times a week.

Published results include a 772 percent gross profit gain for Hanson UK, whose campaign was a Best SEO Campaign finalist at the UK Digital Growth Awards, 20 million pounds of new revenue for Polythene UK, and 450 leads in 30 days for eyewear maker Adlens. Other results include a 300 percent traffic rise for The Good Web Guide and a move from page ten to page one for Oxford packaging firm Maxipos, plus work for Oxfordshire Mind. There are no named dental clients, though optical and medtech work is the closest fit.

Reviewers describe a proactive, communicative team, a single point of contact and monthly reports, and one says the time commitment on the client side was more than expected. The agency offers a 90-day guarantee tied to agreed KPIs and holds Google Partner, Meta Business Partner and Cyber Essentials Plus credentials. Rates are 150 to 199 dollars an hour with projects from 10,000 dollars, and one client paid about 1,000 pounds a month for SEO. They best suit dental businesses that behave like regulated product companies, such as dental device makers or larger groups, rather than a single local surgery.