Contributor

Isla Clarke

Isla Clarke is the editorial byline assigned to this area. Subject: Paid-search agencies and PPC management. Background, definitions and the interpretation of available information belong to this editorial remit. This is an editorial pen name used by the publication, not a claim of an independently verified personal identity.

Costs and pricing

How do you work out PPC agencies return on investment?

A step-by-step method for working out PPC agency return on investment in England, with one formula, worked figures, a decision table and the tracking and consent data that keep the sums honest.

Audience research

PPC agency survey tools and sources explained

A practical guide for PPC agency teams to survey platforms, named respondent panels, paid-search data sources, UK GDPR lawful bases and project costs.

Tools and providers

When to run due diligence on a PPC agency

A practical guide to when to vet a PPC agency, with buying-stage checks for company status, credentials, data protection, access, fees and exit terms.