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SKYH customer relationships

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Sky Harbour (SKYH) — Customer Relationships and What Investors Should Know

Sky Harbour develops, leases and manages commercial and private aviation hangars across the United States and monetizes through long-term rental agreements and ancillary hangar services. The business captures recurring cash flows from tenants — individuals, charter operators, corporate fleets, government entities and aviation service providers — while selectively expanding campus footprint in markets with strong hangar demand. Revenue is driven by rental income and ramp/ancillary services; capital markets activity can supplement liquidity. For a practical look at counterparty exposure and company-level operating signals, visit https://nullexposure.com/.

High-level picture: a real-estate operator with long‑duration customer relationships

Sky Harbour is an aviation infrastructure developer that behaves like a specialty real-estate landlord. Tenant agreements are predominantly long-term (typically 1–10 year leases), which gives forward revenue visibility and a bond-like cash flow profile relative to typical services businesses. According to company filings, tenant lease terms are staggered to manage rollover risk and the firm emphasizes stability of rental cash flows in lieu of transactional service revenue.

The company reports all revenue from U.S.-based tenants, concentrating operational exposure in North America. Sky Harbour’s commercial mix intentionally includes individuals (including family LLCs), charter and flight operators, corporate fleets and government entities — a diversified tenant set in type but geographically concentrated in the U.S. market.

How contract structure and customer makeup shape risk and reward

  • Contracting posture: Long-term leases create predictable revenue but transfer market risk into tenant credit and renewal cycles. Company disclosures indicate lease tenors up to a decade with staggered maturities for risk management.
  • Concentration: Sky Harbour’s tenant mix is not atomized — the two largest tenants accounted for roughly 30% of revenue in the 2023 period reported by the company, a material concentration that elevates single-counterparty impact.
  • Criticality: Tenants are the core revenue source — the business is a seller of leased space and related services. Loss or non-renewal of major tenants would materially affect cash generation.
  • Maturity and momentum: The firm describes active operations with economic occupancy greater than 100% in several hangar campuses (renting semi-exclusive hangar space to multiple tenants where permitted), and rental revenues increased materially year-over-year driven by new campus openings and improved occupancy.

These characteristics are drawn from Sky Harbour’s public filings and investor disclosures describing operational approach and revenue composition.

Financial context investors should anchor to

Sky Harbour’s revenues and profitability profile show continued top-line growth but negative operating and net margins. The company reported TTM revenue of $24.1M with negative gross profit and EBITDA on a trailing basis, and a Price-to-Sales near 29x and EV/Revenue around 26x, reflecting a valuation that presumes successful growth and high future cash conversion. Given the negative operating metrics, tenant stability and lease economics are the primary variables that determine the path to profitability. These figures come from the company’s latest public financial metrics and analyst coverage through FY2025–FY2026 reporting.

For capital markets and liquidity context, Sky Harbour has conducted equity issuances to support operations and enhance liquidity; the issuance activity is meaningful for investors tracking dilution and financing strategy.

If you want a deeper counterparty view and tracked relationships, learn more at https://nullexposure.com/.

Mid‑article takeaway

Sky Harbour is a lease-driven aviation infrastructure operator with material tenant concentration, long-term contracts, and U.S.-only geographic exposure; the investment thesis depends on sustained occupancy, conservative lease underwriting, and successful capital management. See more company relationship detail at https://nullexposure.com/.

Named counterparty relationships (what’s been surfaced)

Below is every counterparty relationship surfaced in the customer-scope results.

  • Yorkville — On December 15, 2025 Sky Harbour issued 50,000 shares of its Class A common stock to Yorkville in a registered direct offering, an equity transaction used to enhance liquidity. This transaction was reported in a company press release covered by The Globe and Mail (press release reported March 2026). Source: The Globe and Mail press release coverage of Sky Harbour’s registered direct offering (first reported March 2026).

That is the complete list of named counterparties provided in the scope of customer relationships for the period covered.

What the relationships and constraints imply for stakeholders

The combination of long-term leases, U.S.-only operations, and customer concentration drives a specific operational profile:

  • Predictable but concentrated cash flow: Long-duration leases translate into high revenue visibility, but the 30% revenue share from the two largest tenants creates outsized counterparty risk at lease expirations and renewals.
  • Counterparty diversity in type, not geography: Tenants span individuals, operators and government clients, which reduces single-industry cyclicality, but geography is single-region — the United States — which concentrates economic and regulatory exposure.
  • Active operating posture: The company reports growing occupancy and new campus ramp-ups driving year-over-year rental revenue increases, indicating the business is in an expansion and densification phase rather than a static portfolio manager.
  • Financing and liquidity are active levers: Equity issuance to counterparties such as Yorkville signals capital management actions to support liquidity and operations; investors should monitor dilution and the company’s ability to convert occupancy gains into positive operating cash flow.

Investment implications and monitoring checklist

For investors and operators evaluating Sky Harbour customer relationships, the key monitoring items are:

  • Lease roll schedules and creditworthiness of the largest tenants (given 30% concentration).
  • Occupancy trends and the company’s ability to sustain economic occupancy above 100% in select campuses.
  • Renewal pricing power and ancillary revenue growth from ramp and services.
  • Capital raises and shareholder dilution (noting the December 2025 registered offering to Yorkville).
  • Macroeconomic and regional factors affecting U.S. business aviation demand.

If tenant retention and rent realization continue as disclosed, Sky Harbour’s long-term leases provide the backbone for margin improvement; if concentration or renewals degrade, recovery will hinge on rapid redeployment of space.

For full access to structured counterparty intelligence and to track changes to Sky Harbour’s relationships over time, visit https://nullexposure.com/.

Conclusion

Sky Harbour is a focused aviation infrastructure landlord with long-duration, U.S.-centric tenant contracts and material customer concentration that creates both stability and single-counterparty risk. The December 2025 equity issuance to Yorkville underscores active liquidity management alongside operational expansion. Investors should weigh the predictability of lease cash flows against concentration and execution risk when sizing exposure.

Explore more on counterparty dynamics and similar coverage at https://nullexposure.com/.