Retaining surplus capital within your operating company is an effective way to build wealth, but unchecked investment earnings can unexpectedly push you past critical tax thresholds. If your company triggers current passive income rules, you risk grinding down your small business deduction and facing significantly higher corporate tax bills. Proactive corporate tax planning allows you to safeguard your business profits through structured investment accounts and tax-efficient asset placement. By adjusting your retention strategy today, you can protect your preferential tax rates, shield your company from unnecessary penalties, and secure long-term capital for ongoing commercial growth.