The Family Guidance Association of Ethiopia (FGAE) operates as a non-governmental organization dedicated to offering family planning and reproductive health services to the Ethiopian population. The gap in the study regarding client satisfaction and contributing factors towards sexual and reproductive health services for youth at FGAE clinics highlights the need for a comprehensive investigation to fill this void. By conducting a mixed-method study, this research aims to provide a holistic understanding of the factors influencing client satisfaction in the delivery of sexual and reproductive health services to youth at FGAE clinics. The added value of this study lies in its potential to offer valuable insights and recommendations for improving service delivery systems and enhancing client satisfaction levels, ultimately contributing to the overall well-being and health outcomes of youth in North Ethiopia. Therefore study aimed to asses Client Satisfaction and Contributing Factors towards in sexual and reproductive health services delivery system among youth at Family Guidance Association of North Ethiopia (FGAE) Clinics, 2023. The study was conducted within the clinics of the Family Guidance Association of Ethiopia (FGAE), spanning Dessie, Kombolcha, and Woldia city administrations, involving a participant cohort of 416 clients. Facility-based concurrent type mixed method study design both quantitative and qualitative techniques were applied. Quantitative research employed a simple random sampling technique and conversely, the qualitative study utilized a heterogeneous type of purposive sampling strategy to recruit participants The collected data underwent a rigorous process of entry, cleaning, and coding using Epi-Data 4.6 software, followed by analysis in STATA V17. Descriptive statistics and binary logistic regression were employed to highlight the impact of independent variables on the dependent variable. A more comprehensive examination was provided through multivariable logistic regression. Crude and adjusted odds ratios, along with a 95% confidence interval, were computed, with significance set at a p-value ≤ 0.05. Nearly more than half of the clients 194 (47.8%) came to receive family planning services followed by maternal and child health 107 (26.4%). Sixty patients (14.8%) didn't receive all the services they wanted or came for. Half of the participants 30 (50%) raised the unavailability of the service as a reason for not taking the service followed by not having enough time in the clinic 12 (20%). About 65.52% (60.74-70.00%) of the participants were satisfied with the Sexual and Reproductive Health services provided by the clinics of FGAE in northeast Ethiopia. Clients in the age group of 25-34 (AOR = 2.04; 95%CI: 1.11-3.72). Clients who had primary and secondary education (AOR = 2.49; 95%CI: 1.03-6.02) and (AOR = 3.05; 95%CI: 1.25-7.49) respectively. Clients who responded that physicians show respect (AOR = 5.59; 95%CI: 1.89-16.49). clients who received an explanation about the side effects of the utilized methods and follow-up dates (AOR = 4.59;95%CI:1.68-12.53) and (AOR = 2.89;95%CI:1.53-5.49) respectively. The proportion of client satisfaction with Client Satisfaction in the Services delivery system at Family Guidance Association of Ethiopia (FGAE) Clinics was low as compared to the previous study. Age group 25-34 years, primary and secondary education, showing respect, explaining side-effects and follow-up visits were significant associated factors of client service satisfaction. Enhancing service delivery at Family Guidance Association of Ethiopia (FGAE) Clinics by targeting specific areas identified in the study. Strategies should focus on improving communication regarding side effects, ensuring respectful interactions, and prioritizing follow-up visits, particularly for clients aged 25-34 with primary and secondary education backgrounds.