Revenue Growth - Fourth quarter revenue reached 270.2million,reflectinga34937.5 million, also representing a 34% year-over-year growth[1] - EMEA and APAC revenue growth combined for the fourth quarter was 42% year-over-year[5] - For Q1 FY25, revenue guidance is set between 265millionand269 million, with a year-over-year growth rate of 26% to 28%[7] Customer Metrics - The number of customers increased to over 167,000 by the end of fiscal year 2024, up from over 143,000 in fiscal year 2023[5] - Customers generating over 50,000ofARRgrewby46166 million in cash from operating activities and 149millioninfreecashflowforthefullyear[4]−Thecompanyendedtheyearwithagrossmarginof76270,164,000, a 34% increase from 201,618,000inQ42023[30]−Thecompany′snetlossforQ42024was26,973,000, compared to a net loss of 26,295,000inQ42023[30]−OperatinglossfortheyearendedDecember31,2024,was84,078,000, significantly improved from a loss of 330,622,000in2023[32]−OperatinglossforQ42024was34.654 million, an improvement from a loss of 36.330millioninQ42023[40]−Non−GAAPnetincomeforQ42024was22.827 million, down from 26.234millioninQ42023,withdilutednon−GAAPnetincomepershareat0.07 compared to 0.09[42]−Thecompanyreportedanetlossof46.142 million for the year ended December 31, 2024, significantly improved from a loss of 308.233millionin2023[52]CashFlowandExpenses−FreecashflowforQ42024was54.461 million, significantly higher than 34.721millioninQ42023,withafreecashflowmarginof20.2165.955 million, compared to 119.371millionin2023[56]−TotaloperatingexpensesforQ42024increasedto233.080 million from 192.935millioninQ42023,withnon−GAAPtotaloperatingexpensesat185.426 million, up from 143.569million[44]−TotalsellingandmarketingexpensesfortheyearendedDecember31,2024,were404.209 million, slightly up from 394.369millionin2023,withnon−GAAPsellingandmarketingexpensesat307.854 million[54] - Research and development expenses for the year ended December 31, 2024, were 238.459million,downfrom262.177 million in 2023, with non-GAAP R&D expenses at 184.200million[54]AssetsandLiabilities−Totalassetsincreasedto1,273,308,000 as of December 31, 2024, up from 1,089,050,000ayearearlier[28]−Klaviyo′scashandcashequivalentsroseto881,473,000 at the end of Q4 2024, compared to 738,562,000attheendofQ42023[28]−Klaviyo′stotalliabilitiesincreasedto239,321,000 as of December 31, 2024, compared to 174,273,000ayearearlier[28]Stock−BasedCompensation−Stock−basedcompensationexpensefortheyear2024was135,212,000, down from 340,799,000in2023[36]GrossProfit−ThegrossprofitforQ42024was198,426,000, with a gross margin of 73.4%, down from 77.7% in Q4 2023[38] - Non-GAAP gross profit for Q4 2024 was 200,572,000,reflectinganon−GAAPgrossmarginof74.2716.159 million, up from 520.211millionin2023,resultinginagrossmarginof76.4112.522 million, a substantial increase from $78.100 million in 2023, with a non-GAAP operating margin of 12.0%[50] Reconciliation and Long-Term Performance - The company provided a reconciliation showing the full dilutive impact of all outstanding equity instruments to better understand long-term performance[26]