Marketers who can build their own reporting move faster than marketers who wait on someone else to pull the numbers. You don't need to be a data analyst — you need about ten formulas, used well. Here are the ones that show up in almost every dashboard I build for clients.
1. XLOOKUP
The modern replacement for VLOOKUP — it searches left or right, handles missing values gracefully with a built-in "not found" argument, and doesn't break when someone inserts a column. If you're still using VLOOKUP in 2025, this alone is worth switching for.
2. LAMBDA
Lets you write your own reusable custom function directly inside Excel — no VBA required. Once defined and named, a complex multi-step calculation (like a weighted ROAS formula) becomes a single reusable function you can call anywhere in the sheet.
3. Dynamic arrays (spill ranges)
Formulas like UNIQUE, SORT, and FILTER now automatically "spill" results across multiple cells without manually copying formulas down. This alone eliminates most of the manual drag-and-fill work in a typical weekly report.
4. FILTER
Pulls rows matching a condition into a clean, separate range — e.g., every campaign with ROAS below 2x — without touching your source data or writing a single IF statement.
5. IFS
Replaces nested IF-within-IF formulas with a single readable chain of conditions — much easier to audit six months later when you've forgotten your own logic.
6. SUMIFS / COUNTIFS with multiple criteria
The backbone of almost every marketing report — total spend by channel AND month AND campaign type, in one formula, with no pivot table required.
7. TEXTSPLIT
Splits a single cell (like a UTM string or full name) into multiple columns based on a delimiter — genuinely useful for cleaning exported campaign data.
8. XMATCH
Pairs naturally with XLOOKUP for two-way lookups — matching both a row and column condition (e.g., a specific product in a specific month) in a single formula.
9. LET
Lets you name intermediate calculations inside a single formula instead of repeating the same sub-calculation three times — dramatically improving both readability and calculation speed on large sheets.
10. Conditional formatting with formulas
Not technically a "formula" in the traditional sense, but pairing conditional formatting with a custom formula rule (e.g., highlight any campaign where spend increased but conversions didn't) turns a static spreadsheet into a self-flagging report.
Putting it together
Combining these ten — especially XLOOKUP, FILTER, and LET — is usually enough to cut manual reporting time by 60–70% for most marketing teams, without needing a BI tool or a data analyst on standby.