The First Mile: A founder’s tax guide to launching a fund

  • Blog
  • December 10, 2025

Richard Calzaretta

Partner, PwC US

The First Mile: A founder’s tax guide to launching a fund

Leaving a large investment firm to launch your own shop feels a bit like swapping a glass tower for a street-level storefront. Hanging your own shingle is equal parts courage and craft. The sign is yours, the vision is yours, but so are the invoices, the term sheets, and the tax structuring. Here’s a practical founder’s view of the big choices and their tax impacts you’ll face when taking on third-party capital and building your fund from the ground up.

Wiring the walls: Capitalizing the Management Company

Think of capitalizing the management company (ManCo) like the wiring behind the walls: you won’t see it day-to-day, but it governs what turns on when you flip the switch. For most founders, the first decision is how much to rely on equity funding versus debt, setting your firm’s valuation and your tax basis at formation so the electrical panel you install today can support the load you plan to add tomorrow.

External equity trades cash for a slice of ManCo. New money for newly issued units generally isn’t income to your company, but there are a variety of potential outcomes based on what you are giving up. Taking on strategic third-party institutional capital to help start the business and provide working capital can help in the short term, but will dilute enterprise value long-term upon a future liquidity event or exit. A well-structured, profits-style interest to key early joiners or employees designed to share only future upside typically limits tax at grant and enables them to share in potential upside on a liquidity event in the future. The benefit of equity can be long-term alignment and permanent capital, such as multi-year vesting of partner units or profits interests or a carry pool that scales with realized performance. The cost of equity is dilution of founder economics; however, governance generally remains with the founder and has to be balanced with the economic value given to third-parties or key employees.

Debt keeps ownership intact. Debt keeps ownership intact and, in many cases, the interest is deductible, but it also introduces a repayment clock, covenants, and cash-flow risk. When properly structured, founder loans, and in pass‑through settings, certain debts you are genuinely on the hook for, including personally guaranteed borrowings, can increase your tax basis so that early losses may reduce your current bill instead of piling up as carryforwards. You must document founder loans like any other third-party debt including having the promissory note state the interest rate, and maturity/repayment schedule.

Valuation and basis are the invisible rails. Set founder equity at fair market value (FMV) on day one to enable estate planning while values (and any discounts for lack of control or marketability) are supportably low. Then track basis from the start including contributions, income and loss, debt that truly attaches to you, and distributions because basis governs two things you’ll care about later: whether startup losses reduce your current tax bill, and whether future cash comes out tax-free as a return of capital or as taxable gain.

The load-bearing beam: Taking on strategic or institutional capital as an anchor investor

Bringing in a strategic or institutional anchor is like adding a steel beam during the build-out: it stabilizes the structure and signals credibility to everyone who walks in. A strong anchor can underwrite working capital, shorten the road to first close, and expand distribution, introducing you to platforms, consultants, and allocators you wouldn’t reach alone.

The tradeoff is influence. Expect requests for enhanced information rights, and economic preferences aligned to the risk they’re taking.

Economic preferences usually show up in familiar forms. Revenue shares on management fees, participation in GP and carry economics, fee rebates for their affiliated capital, or put/call options to buy more (or sell back) at preset valuations. None of this should derail founder control, but you’ll need a clear governance matrix, so decision rights match the economics you’ve provided.

On taxes, start with a simple objective: avoid entity-level tax at ManCo, which typically means keeping ManCo as a pass-through (partnership-taxed LLC) so profits and losses flow to owners. However, a wrinkle may develop depending on who your anchor is. If the anchor is tax-exempt (e.g., endowment, foundation, pension) or non-US, a direct pass-through of ManCo’s management-fee income can be problematic: tax-exempts may pick up unrelated business taxable income (UBTI) and foreign investors may have effectively connected income (ECI), triggering filings and withholding. The common structure is to have an investor-level corporate blocker that converts their share of ordinary operating income into corporate-level income and then dividends. The cost is tax drag inside the blocker (e.g., trapped losses, extra level of tax). However, the benefit is clean reporting and fewer surprises.

Compensation to early employees (carried interest in the GP)

The core choice is the extent to which early team members participate in the carried interest earned by the GP. A profits interest gives them a slice of future upside only, so it usually avoids tax at grant and targets what you actually want to reward: realized performance.

For tax purposes, founders should aim to fit under the profits interest safe harbor by structuring awards so they represent only future appreciation and treat recipients as owners from day one (K-1s). If awards are subject to vesting, many managers still file a protective 83(b) election even though the Internal Revenue Service guidance may make it unnecessary. When individuals receive a portion of the carried interest as an allocable share of long-term capital gains from the fund, Section 1061 imposes a complex three-year holding period of the underlying portfolio company. Gains triggered after one year and under three years may be recharacterized to short-term for members of the GP and be taxed at ordinary rates. Additionally, for individuals residing in high-tax jurisdictions, there are structuring considerations around making a pass-through entity tax election, so that the individual members of the partnership can capture the associated tax deduction.

Founders’ view on raising capital and structuring the fund

Your investor mix dictates your blueprint. The same strategy can be housed in different frames, such as a simple domestic partnership, a master-feeder, or a set of targeted “blockers,” depending on who’s investing.

Non-US investors want exposure to returns, not to a US tax filing obligation. Their red flag is ECI and once you cross into ECI territory, you usually use a corporate blocker and the tradeoff is straightforward: blockers add tax drag (corporate tax inside the blocker and potential dividend withholding) but spare investors from ECI, withholding, and US return filings.

Their hot button is UBTI. Even investment income can become UBTI if it’s debt-financed or flows from an underlying operating partnership. The fix mirrors the foreign solution: use corporate blockers at the investor or investment level to mitigate UBTI, accepting some tax drag for cleaner outcomes.

These investors typically prefer flow-through treatment established through a plain US partnership that delivers losses and gains on a K-1 without entity-level tax. They value mechanics that make the pass-through entities work smoothly: a Section 754 election for inside-basis step-ups on transfers, sensible tax distributions to cover current liabilities, and predictable state sourcing so filings aren’t a surprise.

Structuring considerations based on investor base

The goal is simple: deliver the same strategy to different LP types without forcing any of them into tax outcomes they don’t want. In practice, that means choosing the right combination of parallel funds, AIVs, and, where needed, feeders/blockers. This will be very dependent on your firm’s investment strategy – private equity, private credit, hedge and secondaries strategies all come with a different flavor of structuring.

Parallel fund structures Run parallel vehicles when investor profiles diverge. For example, a US onshore partnership suits domestic taxable LPs who want pass-through treatment, K-1s, and the ability to use losses/credits subject to their own limitations. While, alongside it, an offshore fund that may incorporate a corporate blocker that can accommodate non-US and US tax-exempt LPs to insulate them from ECI/UBTI.

Alternative investment vehicles (AIVs) Think of AIVs as purpose-built options you open only when needed. Use them for specific transactions that may create tax or regulatory friction if held in the main fund. AIVs let you solve the problem at the investment level without contorting the entire fund.

Master–feeder or hybrid models When you need to pool capital efficiently but serve different tax profiles, a master–feeder can be the cleaner approach: multiple feeders (e.g., a US pass-through feeder and an offshore corporate feeder) invest into a single master that executes the strategy. Hybrids blend this with parallel onshore funds where US taxable investors require pure pass-through treatment. The key is entity classification and flow-through mapping so US taxable investors don’t stumble into Passive Foreign Investment Company (PFIC) or Controlled Foreign Corporation (CFC) exposure, while foreign and tax-exempt investors avoid ECI and UBTI—all while maintaining identical economics at the master fund.

Building a platform that is scalable and lasts

Launching your own firm is an exercise in intentional design, where every decision about ManCo capital, anchor terms, carry sharing, and fund structure shapes the economics and tax profile of your business for years. The first mile of that journey is paved with choices across a connected blueprint that helps you balance control, alignment, and after-tax outcomes for you and your LPs. With the right structure and service advisors, you can build not just a first fund, but a scalable platform where your strategy can compound, your team shares in the upside, and your capital partners are positioned to grow with you.

For a broader look at the strategic decisions that shape emerging manager success, read The First Mile: Strategic decisions that shape emerging manager success by Jason Driansky on LinkedIn.

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Richard Calzaretta

Partner, PwC US

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