12 Best TriNet 401(k) Alternatives & Competitors (2026)

Gusto combines payroll, HR, and benefits into one platform, making it a strong alternative for small businesses that want insurance shopping plus automated tax filing and employee self-service. It offers access to multiple health plans and integrates deductions seamlessly, similar to SimplyInsured, but adds time tracking and compliance tools. Pricing is subscription-based rather than free, which may suit companies already using its payroll features. Gusto's strength lies in unified workflows, though it may present fewer plan options than SimplyInsured's hundreds of carrier choices in some states.

Human Interest delivers a flat-fee 401(k) platform aimed at startups and SMBs with automated administration, 3(16) and 3(38) fiduciary services, and payroll integrations. Its pricing is transparent and competitive with OctaveWealth, though some plans carry slightly higher base fees; it excels in modern employee dashboards but may offer fewer live education sessions.

Human Interest delivers a flat-fee 401(k) platform aimed at startups and SMBs with automated administration, 3(16) and 3(38) fiduciary services, and payroll integrations. Its pricing is transparent and competitive with OctaveWealth, though some plans carry slightly higher base fees; it excels in modern employee dashboards but may offer fewer live education sessions.

Gusto combines payroll, HR, and benefits into one platform, making it a strong alternative for small businesses that want insurance shopping plus automated tax filing and employee self-service. It offers access to multiple health plans and integrates deductions seamlessly, similar to SimplyInsured, but adds time tracking and compliance tools. Pricing is subscription-based rather than free, which may suit companies already using its payroll features. Gusto's strength lies in unified workflows, though it may present fewer plan options than SimplyInsured's hundreds of carrier choices in some states.

eHealth operates a large online marketplace for individual and small-group health plans with instant quoting tools. It covers medical, dental, and vision options across many carriers, much like SimplyInsured. However, eHealth often targets consumers more than businesses and lacks the automated payroll integrations and dedicated small-business support team that SimplyInsured emphasizes. It remains free for users but may involve more self-service navigation during enrollment and renewals.

Betterment for Business provides robo-managed 401(k)s with low-cost index portfolios, automated compliance, and fiduciary oversight. It matches OctaveWealth’s emphasis on low fees and personalized projections yet typically charges a percentage of assets rather than a strict per-employee flat fee, suiting growing companies that prefer AUM pricing.

Paychex delivers payroll, HR, and retirement services alongside health insurance options for small businesses. It supports automated deductions and some plan selection features comparable to SimplyInsured. Pricing is generally subscription-based rather than free. Paychex excels in established payroll relationships and reporting but may require more manual steps for open enrollment than SimplyInsured's 1-click online process.

Zenefits delivers an all-in-one HR platform with benefits administration, payroll, and compliance for small and mid-size teams. It provides plan comparison and enrollment tools comparable to SimplyInsured but bundles them with time-off tracking and onboarding automation. While SimplyInsured focuses purely on free insurance recommendations and support, Zenefits charges for its broader suite. It excels for companies seeking to replace multiple vendors, though users may find the insurance marketplace less carrier-dense than SimplyInsured in certain markets.

GoHealth operates a digital insurance marketplace with quoting tools for health, dental, and vision coverage. It serves small businesses seeking carrier options and quick comparisons. While it shares SimplyInsured's free access model, GoHealth tends to focus more on individual shoppers and provides fewer automated payroll or renewal features tailored to employers.

Justworks offers professional employer organization services that include health insurance, payroll, and HR support for small businesses. It provides vetted plans and dedicated account management similar to SimplyInsured's licensed agent team. Pricing follows a subscription model with employer fees, unlike SimplyInsured's no-fee approach. Justworks shines in compliance-heavy industries and offers co-employment options, but businesses wanting pure plan shopping without PEO overhead may prefer SimplyInsured's lighter, free model.

Vanguard offers low-cost index funds and strong record-keeping for 401(k) plans but often requires more plan sponsor involvement in administration compared with OctaveWealth’s full-service 3(16) and dedicated manager model. Its asset-based fees can exceed OctaveWealth’s flat structure for smaller plans.