How Multi Family Offices Scale Co-Investments to 10+ Deals per Year Without Building an IT Department

A multi family office with five mandates, 80 co-investments per year, and a four-person investment team. Subscription documents arrive by email, get printed, signed, scanned, and filed in a shared drive. The cap table lives in an Excel file with 14 worksheets. KYC runs through a separate tool that does not connect to the CRM. Quarterly reporting means one week of full-time work for two people. Every quarter.

This is not an edge case. It is the operational baseline at German and Austrian multi family offices managing private market allocations with AUM between €500M and €2B. According to the AIMA Multi Family Office Report 2023, 68 percent of surveyed MFOs run their co-investment processes predominantly manually, regardless of deal volume.

The operational ceiling typically sits at 25 to 35 co-investments per year. Beyond that, the workload scales faster than the team: more subscription errors, longer KYC follow-ups, inconsistent cap table versions. The standard responses are to build internal IT infrastructure, license software, or outsource the entire operations layer to a regulated platform partner. For a four-to-eight-person investment office, only one of those options is structurally viable.

Build, buy, or outsource: the IT trilemma for MFOs

Building in-house looks appealing on paper. Full control, custom workflows, no vendor dependency. In practice, most MFOs severely underestimate the regulatory surface area. A proprietary digital investor platform typically requires BaFin authorization, a KYC/AML framework under AMLD6, MiFID II-compliant documentation obligations, and GDPR-compliant data architecture. Development timeline: 18 to 24 months. First-year costs: €800K to €2M. Annual operating costs: €300K to €600K. For an office whose core competency is investment advisory, not software engineering, this is structurally misaligned.

Buying (licensing a SaaS reporting platform without operational handoff) solves the technology question but not the regulatory one. A platform like Addepar renders portfolio data with exceptional precision. It does not handle subscription processing, KYC, or compliance liability. The MFO retains operational ownership of every process, just with a newer interface.

Outsourcing the entire operations layer (subscription, cap table, KYC/AML, investor reporting) to a regulated platform partner is the only scalable path for a lean investment team. KAGB §16 (Germany's Capital Investment Code) provides the legal framework: outsourcing is permitted when the service provider meets required quality and security standards, the MFO retains supervisory responsibility, and the discharge of supervisory obligations is not impaired. Investment responsibility stays with the MFO; the operational infrastructure moves to the partner.

Platform comparison: what Addepar, Altoo, QPLIX, Carta, and ONINO do (and don't do)

Five platforms dominate the conversation in European family office circles. All of them solve real problems. None of them solves all problems. The critical difference lies in what each platform deliberately does not cover.

Addepar is the institutional standard for multi-asset portfolio reporting in complex family offices. It tells you precisely what is in the portfolio. It does not manage how new investors enter co-investments.

Altoo and QPLIX are built for European family offices, with strong reporting and document management capabilities and German regulatory compliance. Subscription workflows and KYC automation are not part of the core product.

Carta solves cap table management and subscription workflows for venture capital structures, within a US legal framework that is materially incompatible with German regulatory requirements.

ONINO is the only platform in this comparison built natively for tokenized co-investment infrastructure in the German and European market: subscription, KYC/AML, cap table, and reporting in a single, regulatory-integrated layer operating under the eWpG (Germany's Electronic Securities Act) and MiFID II.

Tokenization as a scaling lever for co-investments

Tokenization in the context of co-investments is not crypto speculation. It means each participation is issued as a regulated digital security, with automated rights, programmable compliance, and a cryptographically secured register instead of an Excel spreadsheet. The regulatory foundation in Germany is the eWpG (Gesetz über elektronische Wertpapiere), which has recognized electronic securities as legally equivalent to paper-based securities since 2021.

Concretely, this simplifies four core operational processes for private market transactions:

Subscription automation: Instead of PDF forms, manual signatures, and email processing, investors move through a structured digital onboarding flow. Subscription documents are signed electronically, KYC is verified inline, and the participation is automatically recorded in the cap table. Time per investor: from three to four hours down to under 20 minutes.

On-chain cap table: The ownership structure of each co-investment is held in a cryptographically secured register, synchronized with the crypto securities register under the eWpG. No manual reconciliation, no version conflicts across teams. Cashlink operates as the BaFin-supervised register keeper.

Automated compliance: The ERC-3643 standard embeds transfer restrictions, investor status, and KYC results directly in the token. A transfer that violates compliance rules is prevented at the technical layer, not corrected after the fact.

Investor-side reporting: Distributions, valuation updates, and document delivery are triggered automatically. Investor management shifts from a reactive email process to a fully automated information flow.

The result: an MFO currently spending six to eight hours per co-investment deal on purely operational tasks can reduce that to under one hour, without adding headcount.

ROI calculation: Excel workflow vs platform workflow at 80 deals per year

Assumptions: MFO with 80 co-investments per year, average 15 investors per deal, four-person team at an average gross salary of €90K.

The cost saving of €138,000 to €168,000 per year covers the platform fee several times over in every scenario. The additional value (harder to quantify) is an operating model that can process 120 or 150 deals per year without proportionally increasing personnel costs. According to Hubbis MFO Research 2024, 54 percent of surveyed multi family offices plan to grow their co-investment volume by at least 40 percent over the next three years. Without platform infrastructure, that growth is not operationally achievable for a lean operations team.

BaFin compliance and outsourcing risks

KAGB §16 permits MFOs to outsource material operational functions. Three risks emerge when the platform selection is not evaluated with regulatory rigor:

License gap: Platforms without their own BaFin authorization or without a licensed register keeper transfer compliance responsibility back to the MFO, without the operational capacity to carry it. ONINO operates the platform infrastructure; Cashlink, as the BaFin-supervised register keeper, holds the eWpG obligations. The liability boundary is clear both contractually and regulatorily. Concrete audit-trail design that satisfies financial regulators sits at the heart of this boundary.

Data residency: Investor data and KYC records must be stored within the EU in GDPR-compliant infrastructure. Platforms with primary US server infrastructure are regulatorily problematic for German MFOs, particularly post-Schrems II.

Liability scope: The outsourcing contract must explicitly define which regulatory responsibilities remain with the MFO and which are delegated to the platform partner. Blanket compliance assurances without a concrete license basis have no legal substance.

Use case: ONINO in operation at a German multi family office

A German multi family office with eight mandate families and an annual co-investment volume of approximately €42M had reached a concrete operational ceiling. The operations team was at capacity at 38 deals per year. The question of whether to hire a fifth operations employee prompted a structured platform evaluation spanning three months, with Addepar, Altoo, and ONINO in the shortlist.

Three factors decided the evaluation in favor of ONINO: full KYC/AML integration within the subscription flow without external interfaces, eWpG-compliant register management through Cashlink as BaFin-supervised register keeper, and the ability to issue co-investments as digital securities without requiring the MFO's own platform license.

Implementation took six weeks from contract to the first live deal. In the first full quarter after go-live, 24 co-investments were processed through the platform: a 45 percent increase over the previous quarter, with the same team. The fifth operations role was not filled. For a comparable implementation, see the Cadaico success story.

Structuring co-investment operations for scale

Co-investment scaling rarely fails at the deal sourcing stage. It fails at the operational infrastructure underneath it. Subscription bottlenecks, manual cap table maintenance, and missing KYC automation are not minor inconveniences. They are structural limits that cap an MFO's growth regardless of how strong the investment team is.

If you are evaluating whether a platform-outsourcing model fits your co-investment operation, the regulatory architecture is the part most frequently underestimated. The right partner does not just provide software. It carries part of the regulatory perimeter so the MFO can keep its supervisory responsibility intact while shedding the operational layer that does not scale.

Book a demo

If you are evaluating co-investment infrastructure for a German or European multi family office, the operational fit matters more than feature parity in a comparison table. ONINO operates EU-compliant co-investment infrastructure under the eWpG and MiFID II, with Cashlink as BaFin-supervised crypto securities register keeper and ERC-3643 as the on-chain compliance standard. Eight live platforms, over €35M in tokenized capital, operational in under six weeks.

Talk to the ONINO team about your co-investment infrastructure →

Summary

• MFOs hit operational capacity limits at 25 to 35 co-investments per year when subscription, KYC, cap table, and reporting are run manually.

• Building in-house is structurally misaligned for MFOs without dedicated IT: regulatory complexity, 18 to 24 months of development time, €800K to €2M in first-year costs.

• Addepar, Altoo, and QPLIX solve reporting and portfolio management with high quality. None covers the full co-investment workflow from subscription through distribution.

• Tokenized co-investments on eWpG-compliant infrastructure reduce the operational burden per deal from six to eight hours to under one hour.

• At 80 deals per year, the cost saving from platform outsourcing is roughly €140,000 to €170,000, alongside a scalable operating model that does not require proportional headcount growth.

• KAGB §16 permits outsourcing of operational functions; liability scope to the platform partner must be explicitly defined in the outsourcing agreement.

• ONINO is the only platform in this comparison with a native tokenization stack, BaFin-compliant register management through Cashlink, and full co-investment lifecycle management for the German and European market.

FAQ

What is a multi family office and how does it differ from a single family office?

A multi family office (MFO) manages the assets of multiple families under one roof, typically between three and twenty client families. Unlike a single family office that serves exclusively one family, an MFO must scale operational processes across multiple independent mandate relationships. That makes co-investment management structurally more complex: KYC, reporting, and cap table administration must be segmented across mandates without cross-mandate visibility of investor data.

How many co-investments can an MFO manage without a platform solution?

The operational capacity ceiling sits at roughly 25 to 35 co-investments per year for a four-person team running manual workflows. Beyond that, error rates in subscription documents, KYC follow-up, and reporting consistency deteriorate meaningfully. Hubbis MFO Research 2024 shows that MFOs seeking to scale beyond this threshold either increase operations headcount or migrate to platform solutions, usually following an operational incident that made the limit visible.

What does a co-investment platform cost for a multi family office?

Costs vary significantly by model. SaaS platforms for family offices (Altoo, QPLIX) typically range from €20,000 to €80,000 per year, depending on user count and AUM. ONINO uses a deal-based model that scales with co-investment volume. The more relevant calculation is total cost of ownership: platform fee against avoided personnel costs in operations. At 80 deals per year, typically a 1:3 to 1:4 ROI ratio in favor of the platform.

Can an MFO tokenize co-investments without holding its own BaFin license?

Yes, under certain conditions. When the MFO acts as issuance advisor or distribution partner rather than as regulated issuer, the license obligation can be delegated to the platform partner and the eWpG register keeper. ONINO operates within this model: the platform provides the regulatory infrastructure; Cashlink maintains the crypto securities register as BaFin-supervised register keeper. The MFO remains in an investment advisory role without needing to apply for its own issuer license.

What differentiates ONINO from Addepar or QPLIX for family offices?

Addepar and QPLIX are primarily reporting and portfolio management platforms: they show with high granularity what is in the portfolio. They do not address the operational question of how new investors enter co-investments. Subscription, KYC, digital signing, and cap table management are not part of their core product. ONINO is designed as co-investment issuance infrastructure: the focus is on the full lifecycle of a deal from subscription to distribution, with integrated reporting.

How long does co-investment platform implementation take?

It depends on the model. A SaaS reporting platform can be configured in four to eight weeks. Full co-investment infrastructure with subscription flow, KYC integration, and eWpG registration typically takes six to ten weeks. ONINO can process first live deals within six weeks of contract, depending on deal structure and the KYC requirements of the investor group.

What does KAGB §16 govern for MFO outsourcing?

KAGB §16 (Germany's Capital Investment Code) permits regulated management companies to outsource operational functions on the condition that the service provider is qualified, the MFO retains supervisory responsibility, and discharge of supervisory obligations is not undermined. Concretely: subscription processing, KYC verification, and register management can be outsourced. The MFO must ensure the platform partner demonstrably meets the relevant regulatory requirements. A written outsourcing agreement with explicit liability boundaries is mandatory.

What role does tokenization play in co-investment scaling?

Tokenization converts a participation into a regulated digital security running on programmable compliance infrastructure. The operational outcome: transfer restrictions are enforced automatically, investor KYC status is embedded in the token, and distributions are triggered algorithmically. For an MFO processing 80 co-investments per year, this means no manual review of individual transactions and no manual reconciliation of investor status against the cap table. The regulatory foundation in Germany is the eWpG, which has recognized electronic securities as full legal equivalents to paper-based securities since 2021. Regulated capital markets infrastructure, not crypto.