Pricing your margins: gross margin vs markup, explained without confusion
Margin and markup describe the same profit against different bases. Here is how to calculate each, convert between them and price to a target…
Excel essentials every analyst uses: SUMIFS, COUNTIFS, IF, IFS and nested logic
How SUMIFS, COUNTIFS, IF and IFS work, the rules that trip people up, and when a lookup table beats a long nested formula.
Financial ratios that matter: liquidity, profitability, efficiency and leverage
The handful of ratios that tell you whether a business can pay its bills, makes money, uses its assets well and carries safe levels…
Generic strategies: cost leadership, differentiation and focus, and getting stuck in the middle
Porter's three generic strategies explained, why firms that try to be everything get stuck in the middle, and how to choose a clear position.
Google Sheets for teams: sharing, QUERY, IMPORTRANGE and protections
Set up shared Google Sheets that stay reliable: sensible sharing, QUERY summaries, IMPORTRANGE between files, and protected ranges, with the limits Google warns about.
Dynamic arrays in Excel: FILTER, SORT, UNIQUE and SEQUENCE
How spilling formulas work, which Excel versions support FILTER, SORT, UNIQUE and SEQUENCE, and how to build live lists without copying anything down.
Evaluating AI outputs: building a small test set and scoring rubric
How to judge AI output with numbers instead of gut feel: clear success criteria, a test set of 30 to 100 real cases, a…
The EU AI Act and UK approach in brief: what businesses need to know
General information as at October 2026 on who the EU AI Act covers, its risk levels and revised dates after the 2026 omnibus, and…
Ethical leadership: building a culture people trust
What ethical leadership means in practice: being seen as a moral person and a moral manager, making it safe to speak up, and checking…
Emotional intelligence at work: what the research supports and what it does not
Emotional intelligence matters at work, but less than the hype claims. What the evidence shows, where it is weak, and how to build the…
