Senior GA4 and GTM consultants in London
We help UK businesses stop guessing and start growing with accurate data.
A digital analytics agency for GA4 and Google Tag Manager
TagGurus is a London-based digital analytics agency. We specialise in Google Analytics 4 and Google Tag Manager.
Founded by a senior consultant, we work with marketing teams and ecommerce businesses across the UK. We fix broken tracking, set up GA4 correctly and make sure your data reflects your business.
Most businesses make decisions on data they can’t trust
Incomplete or inaccurate data leads to the wrong calls. We see the same three problems again and again.
We exist to fix that.
Every TagGurus project is handled personally by a senior consultant. No juniors, no hand-offs, no account managers in between. You get expert work, fast turnaround and direct contact from day one.
GA4 set-ups that miss key events
The actions that matter most never reach your reports.
GTM containers full of outdated tags
Old tags pile up, and nobody is sure what still fires.
Conversion tracking that doesn’t match reality
Ad platforms and your backend tell different stories.
match between GA4 and backend revenue on a Shopify GA4 build.
Read the Shopify GA4 case study →Brands we’ve worked with
Since 2012 we have delivered analytics projects for enterprise brands and small independent businesses. So we know what good data looks like at every size.
What we do
- Google Analytics 4 set-up, migration and audit
- Google Tag Manager deployment and container management
- Shopify and WooCommerce ecommerce tracking
- Enhanced Conversions for Google Ads
- Consent Mode v2 for UK privacy compliance
- Social media pixels: Meta, LinkedIn, TikTok and Pinterest
- CRO analytics and conversion tracking strategy
Independent, senior and focused
Work delivered by someone who has done this since 2012, for some of the UK’s best-known brands.
Independent
No bloated agency overhead and no generic solutions.
Senior
The person you speak to is the person doing the work. No rotating team.
Focused
Accurate tracking, clean data and clear recommendations. That’s it.
Remote-first. UK-based. Ready when you are.
“In God we trust. All others bring data.”— W. Edwards Deming
At TagGurus, we make sure your data is worth trusting.
TagGurus (TAGGURUS LTD) is a London-based GA4 and Google Tag Manager agency, founded in 2021 and senior-led, with analytics experience since 2012. We work with clients in the UK, US and EU.