A Google Analytics agency that tells you the truth
21 Degrees Digital is a web analytics agency in Leeds that builds tracking you can trust. GA4, Google Tag Manager, server-side tracking, consent mode and reporting that finally makes sense. Because you can't grow on numbers you don't believe.
- GA4
- Google Tag Manager
- Server-side tracking
- Consent mode
- Looker Studio reporting
- Attribution & MMM
Data you can bet the budget on
- 327 GA4 accounts with broken tracking
- 100+ audits delivered
- 27% uplift in tracked conversions
Numbers you'll actually trust
Good analytics isn't about collecting more data. It's about believing the data you've got.
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See what's really happening
Clean GA4 data, events that fire when they should, and a view of your customer journey that isn't fiction.
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Trust every number
We run a Google Analytics audit first, fix what's broken and document everything. No more "why does GA say one thing and the CRM another?"
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Privacy-proof tracking
Server-side tagging and consent mode done properly, so your measurement survives a cookieless world. And keeps the lawyers happy.
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Reports people actually read
Looker Studio dashboards that answer real questions. No 40-tab spreadsheets. No homework.
The analytics agency Leeds businesses call when the numbers look wrong
21 Degrees Digital is a team of Google Analytics consultants and a HubSpot Solutions Partner working with brands across Leeds, Yorkshire and the UK. We've seen every flavour of broken tracking. We've fixed most of them twice.
- 70 years combined measurement experience
- 300+ tracking setups rebuilt
Trusted by brands across Leeds and the UK
Measurement that builds confidence, not fairy tales
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Honest measurement
Most agencies claim credit for everything short of the weather. We don't. Our measurement exists to give you the confidence to invest more and brief braver work, not to win attribution arguments.
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Built for 2026, not 2023
Plenty of analytics pages out there still have GA4 migration countdowns on them. We're already deep in server-side tagging, consent mode and first-party data. That's where measurement lives now.
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Audit before anything
Every engagement starts with a tracking and analytics audit. We won't touch a tag until we know what's actually firing, what's broken and what's missing.
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We slot in, not take over
Your team stays your team. We work alongside in-house marketers and other agencies, using data as the common language. No turf wars.
From "the data's wrong" to "the data's ours"
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Audit
We crawl through GA4, Google Tag Manager and every pixel you've got. You get an honest report on what works, what's broken and what's missing.
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Measurement plan
We map your KPIs to actual events. What counts as a conversion, what's worth tracking and what's noise. Agreed before anything gets built.
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Tracking build
GTM configuration, event tracking, Google Ads conversion tracking, enhanced conversions and ecommerce tracking. Built clean, documented properly.
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Server-side and consent
Server-side tagging and consent mode set up properly, so your data stays accurate and compliant as third-party cookies disappear.
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Reporting layer
Looker Studio dashboards built around your questions. Connected to GA4, your CRM and your ad platforms. One version of the truth.
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Measure and mature
Ongoing measurement support. And for bigger ambitions, we're building marketing mix modelling and incrementality testing into how we prove what's working.
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Ways to work with us
We sell days, not channels. Pick the firepower that fits where you are now, and scale when the results say so. All plans are monthly.
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Growth
£1,600 /month2 days a month. For businesses getting started.
- Tracking and analytics audit
- GTM management
- Event tracking fixes
- Monthly reporting
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Accelerator
£3,200 /month4 days a month. For businesses ready to scale.
- Everything in Growth
- Server-side tagging
- Consent mode setup
- Custom Looker Studio dashboards
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Outcome Marketing
£6,400 /month8 days a month. The full integrated offer.
- Full measurement partnership
- Cross-channel reporting
- Attribution and marketing mix modelling roadmap
- Measurement support across your whole mix
The tools we live in
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GA4
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Google Tag Manager
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Looker Studio
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BigQuery
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Microsoft Clarity
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HubSpot
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What our clients say
The monthly review meetings are invaluable — not geeky terms I can't follow, they tell us exactly what they're doing and why.
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How much does Google Analytics cost?
GA4 is free, and it's what most businesses need. There's an enterprise version (GA360) that costs six figures a year, but if you need that, you'll know. What you're really paying for is setup, tracking and interpretation done properly. That's where a Google Analytics consultant earns their keep, and our plans start at £1,600 a month.
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Why does my GA4 data look wrong?
Usually one of the classics: duplicate tags, broken events, missing consent configuration, or a filter someone set up in 2019 and forgot about. A Google Analytics audit finds the culprit fast. It's the first thing we do on every engagement.
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What is server-side tracking and do I need it?
Instead of firing tags from your visitor's browser, server-side tracking routes data through your own server first. You get more accurate data, faster pages and better privacy control. If you're spending real money on PPC or paid social, you'll feel the difference.
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What's consent mode and why did my numbers drop when it went in?
Consent mode respects your visitors' cookie choices and models the gaps. Your numbers didn't drop, your old setup was over-counting. Painful, but now you're measuring reality. We'll set it up so you keep signal without breaking the rules.
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Will you replace our in-house team?
No. We slot in alongside your team and any other agencies you work with. Data's the common language. Your people learn as we go, and everything we build stays documented and yours.
Find out what your data's hiding
21 Degrees Digital will tell you what's broken, what's missing and what it's costing you. Get a free Health Check. No hard sell, just the truth.