Finance, as it should be in the modern era.

Spero exists to redefine what modern financial leadership looks like. Institutional-grade finance, delivered with the discretion of a true white-glove partner and engineered around AI-native systems from the ground up.

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Our story

Spero was founded on the conviction that the best finance teams are not measured by headcount or hours, but by judgment, leverage, and the trust of the people they serve. The firm operates across four businesses: Family, Fractional CFO, Fund Administration, and Tax Mitigation. All under one shared standard.

That standard is institutional in its discipline, AI-native in its tooling, and white-glove in its posture. We embed alongside founders, families, GPs, and allocators as trusted stewards of capital, strategy, and scale. Not as a panel of vendors to be coordinated.

Across every engagement, the work is precise, proactive, and deeply contextual. We tailor what we do to the business in front of us, rather than forcing it into a one-size-fits-all playbook.

Businesses

Family · Fractional CFO · Fund Administration · Tax Mitigation

Operating Layer

Spero Intelligence, used across the firm

100%

Senior Coverage

Named, accountable team on every account

∞

Standard

Same standard, every engagement, every cycle

The Spero Standard

High-touch. High-trust. Intelligently engineered for what comes next.

Institutional-grade

Senior judgment, controls, and discipline applied with the precision of a firm that has stewarded capital for decades.

AI-native

Workflows and decisions designed around real-time intelligence. Not bolted onto legacy spreadsheets.

White-glove

A senior team that knows your business intimately. No tickets, no handoffs, no roster of names you'll never meet.

Leadership

A team that owns the work. Accountability built in.

Managing Partner

Austin Argyle CPA, CMA

Leads the Fractional CFO and Fund Administration teams, partnering with operating companies and fund managers on institutional finance.

Previously CFO at Sandlot Partners;
Audit at EY.

Partner

Chase Simonsen

Leads the Family Office team, partnering with principals and families on household finance, family-office operations, and tax mitigation.

Previously at Sandlot Partners and Fifth Partners.