What Massumi + Consoli does

Massumi + Consoli LLP is a US law firm founded in 2015 as a spin-out of the Private Equity and M&A Group of Kirkland & Ellis by former Kirkland & Ellis partners Peter Massumi and Anthony Consoli. The firm delivers transactional legal counsel to middle market private equity sponsors, financial sponsors, family offices, and dynamic corporate acquirers across five US offices (Los Angeles HQ, New York, San Francisco, Dallas, and Newport Beach/Orange County opened in 2026), with a stated practice of 16 integrated specialty areas covering private equity, M&A, growth equity, debt finance, tax, litigation, technology & IP, and cybersecurity & data privacy. The firm's core revenue engine is professional services billing on complex buyouts, carve-outs, add-on acquisitions, and growth investments, conducted on a relationship-driven, partner-led B2B GTM model. Internally, Massumi + Consoli has deployed Harvey AI firmwide as a generative AI productivity layer for due diligence, document review, contract analysis, and drafting, with all outputs finalized under attorney oversight in a secure environment that excludes client data from public model training. The firm has received consecutive Chambers USA and Legal 500 recognition and entered an MSO-style minority investment with Dallas-based PE firm Trive Capital in 2026 to fund further technology and back-office capability build-out.

Name

Massumi + Consoli

Legal name

Massumi + Consoli LLP

Website

https://mcllp.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

11–50 employees

Short description

Massumi + Consoli LLP is a US law firm founded in 2015 that provides transactional legal counsel to middle market private equity firms, financial sponsors, and acquisitive enterprises across five US offices, with 16 practice areas anchored in private equity, M&A, and growth equity work.

Ownership category

akta.pro rank

Headquarters

HQ city

Los Angeles

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Legal Services Billing: Traditional law firm billing model based on hourly rates for legal counsel on M&A, private equity, and related transactional matters. Revenue generated from advising PE firms, portfolio companies, and corporate clients on complex transactions.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Massumi + Consoli is a nationwide law firm providing transactional and corporate legal counsel to middle market private equity firms, financial sponsors, and acquisitive enterprises. Its core offerings span private equity, mergers and acquisitions, growth equity, and debt finance matters, supported by 16 integrated practice areas including tax, corporate governance, technology/IP transactions, and cybersecurity/data privacy. The firm supplements attorney-led counsel with Harvey AI deployment for due diligence, discovery, drafting, and matter management workflows.

Product overview

Massumi + Consoli is a nationwide Chambers-ranked law firm offering a unified legal services platform focused on middle market private equity and M&A transactions. The core offering consists of Private Equity, M&A, Growth Equity, and Debt Finance legal services, supported by 16 practice areas including Tax, Corporate Counseling & Governance, Technology & IP Transactions, Cybersecurity & Data Privacy, Litigation & Dispute Resolution, and others. The firm supplements its legal expertise with Harvey AI technology for internal workflow automation in due diligence, discovery, drafting, and matter management, enabling faster execution and improved budget predictability for clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Private Equity Legal Services

Quantifiable outcome

• Ranked in Chambers USA 2026 across California and New York practices
• +2 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature1 record

Partnerships

Two partnerships are on record, tiered core and minor.

• Harvey AIcoreTechnology or IntegrationHarvey, a leading legal generative AI platform, has been deployed firmwide to streamline workflows across due diligence, discovery, drafting, and matter management. All AI use occurs under attorney oversight with secure environment protecting client data.
• Kirkland & EllisminorStrategic or Co-development PartnerMassumi + Consoli was founded in 2015 as a spin-out from Kirkland & Ellis Private Equity and M&A Group. Co-founders Peter Massumi and Anthony Consoli were formerly partners at Kirkland & Ellis.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• White & Case: Global law firm with deep PE/M&A practice and significant debt finance capability. Competes for sponsor-led transactions and adjacent finance work.
• Latham & Watkins: Top-tier international firm with a leading PE/M&A practice; several Massumi + Consoli partners (Young, Dubelman) trained there. Direct competitor for mid-market and large-cap sponsor mandates.
• Kirkland & Ellis: The largest PE-focused law firm globally and the firm from which Massumi + Consoli's founders spun out in 2015. Competes for middle-market PE mandates and serves as both the talent pipeline and the upper-tier alternative for mega-deals.
• Skadden, Arps, Slate, Meagher & Flom: Premier M&A and PE firm where Trevor Katende began his career. Competes for large-cap and middle-market sponsor transactions.
• Sidley Austin: Global law firm with substantial PE/M&A and finance practices; competes for middle-market deals and serves as a frequent alternative on larger sponsor-led transactions.

Direct peers

• Paul Hastings: Strong PE/M&A and finance practice serving middle-market sponsors; partner Trevor Katende joined Massumi + Consoli from Paul Hastings. Direct competitor for sponsor-led transactions and complex M&A.
• Proskauer Rose: PE-focused mid-market firm with strong private funds and transactional practices. Direct competitor for middle-market sponsor mandates and portfolio company counsel.
• Debevoise & Plimpton: Elite PE/M&A and fund formation practice with strong middle-market sponsor relationships. Comparable on PE buyouts and complex cross-border M&A.
• Ropes & Gray: Top-tier PE and M&A practice with strong fund formation capabilities; competes for the same sponsor clients on LBOs, add-ons, and exits.
• Goodwin Procter: Premier PE-focused law firm with deep sponsor relationships across middle-market and growth equity. Most direct comparable on PE buyouts and portfolio company work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mcllp

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Massumi + Consoli