Purpose Atrial fibrillation (AF) increases long-term mortality and stroke in patients undergoing cardiac surgery. Oral anticoagulation for AF is associated with high bleeding complication rates. This study represents the intra-operative and one-year post-operative outcome of Atriclip and Stapler for epicardial Left Atrial Appendage Closure (LAAC). Methodology This study includes 84 patients who underwent concomitant LAAC using Stapler in 76 patients and Atriclip in the remaining 8 patients by a single surgeon from January to December 2022 at Wollongong Private Hospital. Patients with pre-existing AF or high CHA2DS2VASc were selected to undergo concomitant LAAC. TOE was used to allow for safe and correct LAAC for both methods. Intra and one-year post-operative mortality and morbidity including stroke and anticoagulation status have been evaluated. Results The mean age of patients was 69.38.76 years with 70 (83%) male. Pre-operative AF was an indication for LAAC in 16 patients, and the remaining scored high in CHA2DS2VASc (3.171.56). LAAC concurrent with Coronary Artery Bypass Grafting (CABG) performed in 77 patients out of which 24 underwent off-pump CABG. The remaining 5 patients underwent concomitant LAAC with valvular and 2 patients with combined valvular and CABG procedures. LAAC was successfully performed in all patients with less than one minute closure time in either methods. One-year follow-up revealed that 74% of patient with pre-operative AF were maintained to be on anticoagulation with no mortality rate at one year mark. Moreover, there were no ischemic/embolic stroke but one minor Gastro-intestinal bleed in a patient on apixaban for pre-operative AF. Conclusions Application of LAAC with Stapler or AtriClip devices are feasible methods with reasonable rate of anti-coagulation cessation and no mid-term mortality or ischemic/embolic stroke. Further studies, involving a larger number of patients with a control group and longer duration of follow-up are warranted.