Local expertise, global reach

Establishing a private equity, considering a change in administrator or from current in-house processes?

Mainstream Fund Services is your ideal partner. Our highly experienced professionals can help you with every aspect of your fund’s operation, from fund set-up to ongoing administration.

Our experts bring a mix of complex domestic and international experience covering:

  • Private equity, venture capital, real estate, fund of funds
  • Opportunity zones, hybrid structures
  • Complex structures: Master Feeder, Co-Invest, Employee Plans, Parallel, Blockers, and SPVs
  • Investment Instruments: Equity, Senior Debt, Mezz Debt, Convertible Debt, Warrants, LP positions, Real Assets


The Co-Sourcing Partner


Our Services

Whether you are a small or established fund, Mainstream Fund Services offers more than just administration.
Our range of services includes:

Fund Launch and Implementation

  • Coordinate and/or support investor due diligence and fund closings.
  • Review of LPAs, side letters, PPM’s, and other marketing materials (with expertise in SEC compliance).
  • Review and model: management fee, waterfall, and expense calculations.

Fund Administration and Accounting

  • Maintain G/L, prepare financial statements, footnotes and all work papers; coordinate annual audit and all related fieldwork on behalf of investment manager; provide access to customized reporting and interactive web-based tools provide management team access to view books/records in real time.
  • Compute and process all capital calls and distributions which are fully-integrated with GAAP and tax basis capital accounts (investor-by-investor) and based on complex, multi-tier waterfalls (e.g., special allocations of income, expenses, feeder/blocker costs, management fees, and carried interest).
  • Services available for (i) fund-level vehicles (main/parallel funds, AIVs, feeder funds, blocker and splitter vehicles), (ii) management companies, team vehicles, and other similar upper tier entities, and (iii) all portfolio company and/or joint venture level entities.

Management, Portfolio Company, Real Assets and Royalties Services

  • Fully integrated and cost-effective: accounting, financial reporting, loan/equity drawdowns.
  • Coordination with property managers for monthly cash flows and financial reporting.
  • Risk management: review internal controls, test fee/promote calculations, model deal economics.
  • Fund, deal, and investor-level performance computations (gross/net IRRs and multiples, etc.).
  • Structured asset-level data collection for cross-portfolio analytics, business planning, and risk/valuation processes.
  • Review of valuation models and coordinate auditor review.

Investor Services

  • Maintain CRM database and secure web-based portal used for all investor deliverables (e.g. quarterly reports, capital account statements, capital call and distribution notices, schedule K-1s and other tax information, etc.); administer all investor-related compliance matters, e.g. AML / KYC. Distribution of all investor reporting (e.g. email and/or web portal).
  • Customized investor reports and ad-hoc requests for institutional investors (e.g. asset-level diversification and risk analysis data, cash flow projections, investment/investor performance data, ILPA fee report, etc.).
  • Supplemental treasury services available, including full accounts payable and processing support (e.g. wire transfers for investments, expenses, and/or investor distributions), opening and maintaining bank accounts (and related KYC), credit facility administration and compliance, and FX support (trade support, exposure analysis, and management reporting).

 Tax Audit and Compliance Support

  • Liaison with external tax service providers: provide detailed work papers, financial statements, investor allocations, and investment cost and P/L reports. Follow up on open items. FATCA support.
  • Annual audit support: work with external audit team in providing the annual financial statements, provide all supporting work papers, maintain audit schedule, and respond to all open items and testing samples.
  • Coordinate distribution of annual audited financial statements and K-1s to investors.
  • Provide reporting to support regulatory filings including Form PF and Form ADV.

Transition Services

  • Don’t feel trapped with your current platform or service provider due to the perceived pain of transition time and cost.
  • Mainstream can make your transition to our high quality platform seamless and cost effective. We have a cost effective approach to transitions, we are co-sourcing partners with our customers and we invest in the relationship.
  • Our team has transitioned 750+ funds from manual and industry standard platforms. We have experience with data in Investran, TNR, Equitrak, eFront, and many other products used in the close-end fund market.
  • Our extensive knowledge of technology platforms allows us to simplify the process, and efficiently transition your funds.
  • Our service quality and technology is the best available and we do not expand our fees for reports and data transparency that should be the core of your middle – back office requirements.

Learn more

Need a PE, VC, or RE administrator and want a fast quote?

Submit Quote Request

5 reasons to use Mainstream Fund Services:

  1. Tailored offering to match your operational model.
  2. Track record of implementing market leading enterprise solutions for both boutique and global wealth managers.
  3. Global platform with local service delivery.
  4. Stable management team who combine a consultative approach with deep industry experience.
  5. Scalable technology platforms from best-of-breed providers.