v3.26.1
Cover
Apr. 15, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Apr. 15, 2026
Entity File Number 001-42164
Entity Registrant Name SIM Acquisition Corp. I
Entity Central Index Key 0002014982
Entity Tax Identification Number 35-2838851
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 725 Fifth Avenue
Entity Address, Address Line Two 22nd Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10022
City Area Code 833
Local Phone Number 746-2001
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Trading Symbol SIMAU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol SIMA
Security Exchange Name NASDAQ
Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol SIMAW
Security Exchange Name NASDAQ