Greyskull Analytics

Gut feel is a fine starting point. It's a terrible finish line. If your numbers live in three systems and a spreadsheet nobody owns, you're not deciding with data. You're guessing with confidence. Trustworthy reporting changes that. Calm, boring, repeatable numbers you can act…

Ask sales for the number. Ask finance. Ask the dashboard. Three different answers, and a meeting to argue about which one is right. That's not a people problem. It's a foundations problem. Different systems, different rules, no single version of the truth — so every decision a…

"NOBODY NEEDS SNOWFLAKE" 📊 Johnny maps the real glass ceiling on small business data spend, on Substack 💸 tinyurl.com/2ank9u4b — or use the link in bio #DataPlatform #DataEngineering #SmallBusinessData #SMEdata

Trust your numbers, get AI-ready. One clean reporting layer: every team asks the same question and gets the same answer. Built by us, run by us — no in-house data team required. Book a data review — link in bio. #Analytics #AIReadiness #DataStrategy #GreyskullAnalytics

Rubbish data in. Rubbish answers out. No AI tool fixes a pile of numbers nobody trusts. We clear the mess, build the reporting layer your business can actually lean on, then run it for you. Book a data review — link in bio. #DataEngineering #AIReady #PowerBI #GreyskullAnalyt…

Bolting a chatbot onto a mess doesn't make you AI-ready. It makes you faster at being wrong. AI doesn't fix bad foundations. It exposes them — loudly, in front of the whole team. Three steps, no jargon: assess what's solid, build the platform, then run it. That's the whole pa…

"THE STORE LAYOUT MATTERS" 🛒 Johnny maps a whole data platform onto a supermarket floorplan in his latest Substack piece 📊 tinyurl.com/2b9arqm2 — or use the link in bio #DataPlatform #DataEngineering #DataModeling

Sales says one thing. Ops says another. Finance has a third version and a deadline. If your systems don't agree, you haven't got data. You've got opinions with decimal places. One source of truth isn't a buzzword — it's the reason your Monday meeting takes fifteen minutes ins…

Three days to build a report nobody fully trusts. That's not a reporting problem — it's a foundations problem. Messy spreadsheets, systems that don't agree, numbers that only feel right. Every week that rolls on, decisions get slower. Strategy first, tools second. Always. Ch…

Fundamentals over fads

"THE REAL COST IS PEOPLE NOT SOFTWARE" 💰 Full UK cost breakdown by business size in Johnny's latest Substack piece 📊 tinyurl.com/23fw3qo4 — or use the link in bio #DataPlatform #DataEngineering #DataStrategy #TCO #CFO

Sunday gives us a free hour. 💀 Left: the plan. Right: the data. Store it in UTC. Go back to bed. #data #analytics #dataengineering #powerbi #clocksgoback

Trying had to grow my Instagram following at the moment... For anyone who partakes, I'd really appreciate a follow: instagram.com/greyskullanaly…

"DATA VOLUME WAS NEVER THE ACHIEVEMENT" 📊 Johnny digs into Amazon's own Redshift fleet data, DuckDB and why right-sized beats big on Substack: 🦆 tinyurl.com/23j9t2uf — or use the link in bio #DataEngineering #DuckDB

Most companies don't have big data. They have a big invoice. 💀 Amazon's own numbers back me up. New article, link in bio. #data #analytics #dataengineering #datastrategy #smallbusiness

#data #analytics #ai

"IT'S OK IF YOU'RE NOT AN AI PIONEER" 🐑 Johnny makes the case for patience over FOMO in "AI FOMO is a Bear Trap" on Substack 📊 tinyurl.com/2atxrrth — or use the link in bio #AIAdoption #AIFOMO #DataStrategy #TechTrends

"BUILD THE FOUNDATION WELL" 📊 Johnny breaks down the Business Question Curve in "The Dashboard Trap" on Substack 🚀 tinyurl.com/2yzck23j — or use the link in bio #DataAnalytics #DataStrategy #BusinessIntelligence

#data #analytics #ai

"BUY WHAT YOU ACTUALLY NEED" 🔄 From this week's Substack: why the data stack keeps swinging between bundled and unbundled, and what that means for you 📊 tinyurl.com/28yb4sz5 — or use the link in bio #DataStack