Private Equity Is Buying Your Industry — 1,052 Acquisitions and Counting

Published: March 14, 2026 | By: The Crossing Report | 10 min read

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Summary

Between 2015 and 2025, private equity executed 1,052 acquisitions of accounting firms alone. Now, with AI delivering 20–50% efficiency gains on professional services workflows, PE-backed platforms can acquire independent firms, convert their operations, and generate returns faster than ever. This is not a distant threat. General Catalyst, Lightspeed, and 8VC are running active roll-up strategies in accounting, IT services, and legal. Here is what they're building, what they want from a firm like yours, and what to do about it.

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The Numbers Behind the Strategy

The CPA Trendlines deal tracker is the most complete public record of what's been happening to the accounting profession. Between 2015 and 2025:

• 177 initial PE direct investments in US accounting firms
• 875 subsequent bolt-on acquisitions triggered by those platforms
• 1,052 total transactions in 10 years
• Average of 7.6 additional acquisitions per initial PE investment

The model is a textbook roll-up: acquire a firm, use its infrastructure and client base as a platform, then acquire adjacent firms and convert them to the platform's operating model. Do this 7 or 8 times and you have a regional or national firm with the scale economics of a large practice and the local branding of an independent one.

According to IFAC research, these transactions affected over 1,000 accounting firms globally in a single decade.

That's the baseline. Here's why 2026 is different.

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Why AI Changes the Roll-Up Math

The PE roll-up model always worked when you could acquire fragmented firms and consolidate back-office operations — billing, HR, IT, compliance administration. The efficiency gains were real but bounded by the pace of human integration.

AI removes the bound.

A PE-backed platform that deploys AI across its acquired firms can achieve 20–50% efficiency gains on the professional workflows that independent firms have traditionally required senior staff to perform: tax preparation, audit documentation, contract review, client reporting, research synthesis.

That efficiency changes the acquisition economics in two ways:

First, it accelerates time to ROI. When an acquired firm's annual revenue stays constant but its operating costs drop 20–30% through AI automation, the PE fund's return timeline compresses significantly. Acquisitions that took 5–7 years to generate target returns now generate them in 3–4. The math for acquiring more firms gets better with each one.

Second, it raises the competitive barrier. A PE-backed platform with AI running at scale can compete on price or speed in ways that an independent firm using the same tools cannot — not because the tools are different, but because the platform has standardized workflows, trained prompts, and the capital to invest in integrations that a 10-person firm cannot justify.

In 2026, venture-backed roll-up strategies from firms including General Catalyst, Lightspeed, and 8VC are explicitly targeting professional services: accounting, IT services, and in states where it's structurally possible, law. They are not waiting for AI to mature further. They are building now, with the tools that exist today.

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What PE Acquirers Are Looking For

If you run a professional services firm, understanding what acquirers value tells you two things: what makes your firm a target, and what makes it defensible.

What they want:

• Recurring revenue. A firm where 70%+ of revenue renews automatically — through retainers, annual audit engagements, or recurring service arrangements — is more predictable and therefore more valuable. PE acquirers price instability harshly.

• Diversified client base. If one client represents 30% or more of your revenue, that's a concentration risk that will either reduce your valuation or require a specific retention plan as a condition of closing.

• Technology stack. Firms already using practice management software, document automation, and cloud-based systems integrate faster. An AI-ready firm commands a higher multiple because the transition cost to the platform's workflow is lower.

• Growth rate. Three years of consistent top-line growth signals a replicable business, not a founder-driven revenue stream. A firm growing 12% per year without adding headcount is particularly attractive — it signals the business model is working.

• Reduced key-person dependency. This is the most common failure point. If every client relationship runs through the founding partner and no documented handoff protocol exists, the platform acquires a set of relationships that walk out the door when the founder moves to an earn-out hold. Acquirers know this. They price it.

What they don't want:

A firm with a single large client, a founder who hasn't built a second tier of client relationships in the firm, no documented workflows, and technology that hasn't been updated since 2018. That's not an acquisition — that's a liability.

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The Law Firm Dimension

Most US states still restrict law firm ownership to licensed attorneys, which has kept PE out of legal services in a direct sense. But two structures have emerged that change this:

Alternative Business Structures (ABS): Arizona, Utah, and Washington DC have enacted rules allowing non-lawyer ownership of law firms. In these markets, PE-backed entities can own and operate legal practices outright. The ABS firms that have launched since 2021 are small but growing, and the models are being watched closely by the ABA and state bars elsewhere.

Management Services Organizations (MSOs): In any state, a PE-backed MSO can own the non-legal functions of a law firm — billing, marketing, HR, technology infrastructure, lease obligations — while licensed attorneys retain ownership of the legal practice itself. The law firm contracts with the MSO for operational services. The MSO captures the economic value of those functions and creates the integration pathway for a roll-up.

PE-backed MSO structures are already operating in legal services. Opensity, which raised funding in early 2026, is building a 4,500-person professional services organization that uses MSO structures to integrate legal, accounting, and adjacent services. The model is live, not theoretical.

Law firm owners in ABS-permitted states should treat this the same way accounting firm owners have been treating it for five years: with clear eyes about what it means for the independent firm that doesn't adapt.

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Two Paths Forward

There is no universal answer here. The right response depends on your goals, your timeline, and what you've actually built.

Path 1: Compete as an independent — and be deliberate about it.

PE roll-ups are formidable on cost and scale. They are structurally weak on what you do by default in an independent firm: direct principal access, deep client knowledge, relationship continuity, and the kind of judgment that requires knowing a client's history and context, not just their file.

To defend this position, the moves are:

• Specialize aggressively. A PE platform chasing the entire middle market cannot go as deep as a 10-person firm that serves only one industry. Specialization is not a fallback — it's the primary defense.
• Name your principal-access model explicitly. "Every client works directly with [name] on every matter" is a concrete commitment that a 200-person acquired firm structurally cannot make for its $40,000/year clients.
• Use AI on the operational layer. Deploy AI on tax prep, document review, and report drafting — the work under the most price pressure from PE-backed competitors. Use the recovered capacity for the advisory work they cannot offer at your rate.

Path 2: Evaluate the acquisition math honestly.

If you are 5–10 years from your intended exit and your succession plan is either nonexistent or dependent on a sale to a junior partner who may not be able to finance it — a PE acquisition offer is worth understanding seriously.

The multiples PE platforms are paying for professional services firms have increased. For a firm with recurring revenue, a diversified client base, and documented processes, the exit price available through a PE sale may be significantly higher than what an internal transition would produce.

That's not a reason to sell. It's a reason to know what you're worth and to make a deliberate decision rather than an uninformed one.

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One Thing to Do This Week

Pull your client list and answer three questions:

1. What percentage of my revenue is recurring? Calculate this as: (revenue from clients renewing annually or on retainer) ÷ (total revenue). If it's below 60%, know that this number is the first thing a sophisticated acquirer — or a competitor — will notice.

2. What is my largest single client as a percentage of revenue? If it's above 25%, you have concentration risk. That's not just an acquisition concern — it's a business risk regardless of what PE does.

3. If I stepped back from the firm for six months, what would break? The honest answer to that question is your key-person dependency score. Every item on that list is either a growth constraint or an acquisition risk.

You don't need to sell your firm. But understanding what it looks like to the people who are building the industry around you is one of the most useful exercises a firm owner can do this year.

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Related Reading:

• RSM and BDO Are Spending $2 Billion on AI to Target Your Clients. Here's Your Counterplay.
• The Legal Tech Vendor Shakeout: Five Questions to Ask Before You Bet Your Practice on a Tool
• Baker McKenzie Cut 1,000 AI-Replaced Staff. Here's What Small Firms Should Do About It.
• Eudia Counsel Got an ABS License and $105M — What It Means for Small Business Law Firms
• The Billing Model Reckoning: When AI Makes Your Firm Faster, How Should You Price?

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