Purpose: Retail financial services in India are shifting from product-led selling to advisory-led, goal-based relationships, yet the factors that actually move a prospect from first contact to a closed policy or investment account remain thinly documented at branch level. This paper examines the determinants of client acquisition in the insurance and investment advisory business of Aditya Birla Capital (Aditya Birla Sun Life Insurance Company Ltd.), Wakad, Pune, and interprets them through the lens of portfolio theory, behavioural finance and relationship marketing.

Design/Methodology: The study follows a descriptive, qualitative-dominant design based on structured participant observation during an eight-week On-the-Job Training (OJT) placement (2 May to 30 June 2026). Evidence comprises a lead-tracking log, fortnightly progress reports, a reflective learning diary, supervisor feedback and the need-analysis conversations conducted with prospects across four life-stage segments. Observations are triangulated with sector and regulatory sources (IBEF, IRDAI, SEBI, Swiss Re) and supplemented by finance computations: the future value of systematic investment plans (SIPs), wealth multiples, and the sensitivity of client lifetime value to persistency.

Findings: Trust in the advisor and brand ranked first among six decision factors across every segment, ahead of product relevance to life-stage goals, financial literacy, referral source, documentation ease and price. Referral leads moved through the funnel faster than walk-ins, and financial literacy, more than age or income, governed funnel velocity. The documentation-to-closure stage was the longest in the cycle, accounting for roughly 41% of the mid-point cycle time of about 16 days. Illustrative SIP computations show that extending tenure from 10 to 15 years roughly doubles the corpus (about 2.05x at 10% p.a.) for only 1.5x the capital invested, which explains the effectiveness of horizon-anchored, goal-based illustrations. A persistency sensitivity analysis shows that raising annual retention from 80% to 90% lifts lifetime client value by about 50%, which supports investment in post-sale service and referral generation.

Practical implications: The paper recommends a referral-led acquisition model, a standardised need-analysis and risk-profiling checklist, pre-visit digital KYC checklists, visual explainer content for market-linked products, life-stage segmented messaging, and a structured objection-handling playbook, supported by a phased implementation roadmap and measurable performance indicators.

Originality/Value: The paper converts a practitioner's field record into a finance-oriented analytical study that links observed advisory behaviour to established theory and quantifies the economics of long-horizon investing and client retention, offering branch managers and early-career advisors an evidence-informed reference.

Keywords: Client acquisition, Financial advisory, Insurance distribution, Portfolio management, Behavioural finance, Relationship marketing, Systematic Investment Plan, Customer lifetime value, Aditya Birla Capital.