Momkus

What Momkus does

Momkus LLP is a privately-held, full-service law firm organized as an Illinois limited liability partnership, headquartered in Lisle, Illinois with a secondary office in San Francisco, California. The firm was founded in 1989 and operates with approximately 22-23 attorneys across equity partner, partner, of counsel, and associate levels. It delivers legal services across 13 distinct practice areas organized around three core pillars: business law (including mergers and acquisitions, business services / outsourced general counsel, commercial real estate, and commercial insolvency and bankruptcy), litigation (business, civil, employment, commercial insolvency, and appellate), and trusts and estates (estate planning, trust and estate administration, and trust and estate litigation), with additional practices in family law and divorce.

The firm serves primarily closely-held businesses, high-net-worth individuals and families, and Illinois municipalities. Its business model is the traditional professional-services law firm structure: quote-based, hourly-rate engagements determined by scope, complexity, and attorney time, with no proprietary technology platform, software products, or AI capabilities disclosed. Revenue is generated entirely through billable legal services, and the firm has no external investors, parent company, or public market listing; ownership resides with the equity partners. The firm relies on professional reputation, peer-recognized credentials (Martindale-Hubbell AV Preeminent, Super Lawyers, Leading Lawyers), bar association memberships, and referrals from professional networks as primary demand-generation channels. Multiple attorneys — notably Of Counsel Robert R. Bruce, Of Counsel Ronald A. Nyberg, and Partner Steven J. Nagy (joined 2025) — bring prior in-house general counsel experience at major corporations including ServiceMaster, Bridgeview Bank Group, Van Kampen Investments, and others, which is positioned as a differentiator when competing for closely-held business clients needing sophisticated corporate counsel without full-time in-house headcount.

Customer concentration is dispersed across many small and mid-sized closely-held businesses, HNW families, and select municipal clients, with no public disclosure of named anchor customers or revenue concentration. Geographic reach is concentrated in DuPage County and the broader Chicago metropolitan area, with a coastal extension into Northern California primarily serving estate planning and trust matters. The firm shows no acquisitions, no funding rounds, no product launches beyond expansion of its practice area roster, and no external equity sponsorship, indicating an organic, partnership-driven growth posture anchored by lateral hires and incremental service-line formalization.

Name

Momkus

Legal name

Momkus LLP

Website

https://momkus.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

11–50 employees

Short description

Momkus LLP is a private, full-service Illinois-based law firm with offices in Lisle and San Francisco, serving closely-held businesses, high-net-worth individuals, and municipalities across 13 practice areas including business litigation, M&A, estate planning, employment, and family law.

Ownership category

akta.pro rank

Product category

Legal Services

NAICS

Offices of Lawyers (541110), Legal Services (5411)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Mergers & Acquisitions (M&A) & Securities Law (BPAHAAAI)

akta.pro secondary industries

Family & Private Client (Trusts & Estates) Law (BPAHAAAK), Personal Injury & Insurance Defense (BPAHAAAM), Estate Planning, Trust Structuring & Governance (FSAAADAF)

Keywords

• Legal services
• Business litigation
• Estate planning
• Mergers acquisitions
• Commercial real estate law

Headquarters

HQ city

Lisle

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Legal Services - Billable Hours: Traditional law firm revenue model based on legal services rendered to clients, including business transactions, litigation, estate planning, employment matters, and various other legal services. Clients include closely-held businesses, high-net-worth individuals, and families.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Momkus LLP is a full-service law firm providing legal representation and counsel across 13 practice areas, organized around three core groups: Business Law (acting as outsourced general counsel for closely-held businesses, M&A, business succession, entity formation, and commercial real estate), Litigation (business, civil, employment, trust/estate, commercial bankruptcy, and family law), and Trusts & Estates (estate planning, administration, and litigation). The firm serves both businesses and individuals through attorney expertise with no proprietary technology product.

Product overview

Momkus LLP is a full-service law firm offering legal services through 13 distinct practice areas. The firm provides a comprehensive portfolio of legal services primarily organized around business law (including M&A, business services, commercial real estate, employment matters) and litigation (business, civil, employment, appellate), as well as family law and estate planning/administration services. The firm operates as a traditional law practice with no software products or technology platforms.

Differentiator

Problem solved

Functional benefit

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

13 partnerships are on record, tiered minor.

• Martindale-HubbellminorOthersLexisNexis Martindale-Hubbell provides peer review rating services and publishes lists of recognized attorneys. The firm and its attorneys receive AV Preeminent and BV Distinguished ratings through this platform.
• Super LawyersminorOthersSuper Lawyers is a rating service that recognizes top attorneys through peer nomination and selection. The firm has been recognized by this organization as one of the top law firms in Illinois.
• AvvominorOthersAvvo provides a rating system that evaluates lawyer backgrounds. The firm's attorneys are rated through this platform.
• Leading LawyersminorOthersLeading Lawyers provides profiles of top lawyers based on peer survey nominations. Several firm attorneys are recognized through this network.
• DRI - The International Association of Defense CounselminorOthersDRI is an international membership organization for lawyers involved in the defense of civil litigation. Firm attorneys hold memberships and participate in DRI professional activities.
• Illinois Association of Defense Trial CounselminorOthersIDC is a statewide organization dedicated to improving the judicial system and the practice of law for defense attorneys. Firm attorneys hold memberships and have received recognition through IDC awards.
• A.M. Best CompanyminorOthersA.M. Best is a global credit rating agency focused on the insurance industry. The firm is included in Best's Recommended Insurance Attorneys directory.
• BLN Chicago Business Law NetworkminorOthersBusiness Law Network provides administrative support for network lawyers and offers middle market and small businesses access to legal services combining small firm flexibility with broader service capabilities.
• Chicago Bar AssociationminorOthersFounded in 1874, the CBA is one of the oldest metropolitan bar associations in the United States with approximately 22,000 members. Firm attorneys are members.
• Illinois State Bar AssociationminorOthersFounded in 1877, the ISBA is the premier legal association in Illinois. Firm attorneys are active members and leaders.
• Illinois Trial Lawyers AssociationminorOthersITLA is a statewide organization with over 2,000 members specializing in representing injured consumers and workers. Firm attorneys are active members.
• American Bar AssociationminorOthersABA is one of the world's largest voluntary professional organizations with nearly 400,000 members. Firm attorneys are active members.
• Buddingh & AssociatesminorOthersWebsite design firm credited with designing the Momkus LLP website.

Scale indicators2 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Levenfeld Pearlstein, LLC: Chicago-based mid-size business law firm serving closely-held businesses and individuals with a similar full-service offering spanning business transactions, litigation, real estate, employment, and trusts & estates. The firm is a direct competitor for the same Chicago-area mid-market clients and outsourced general counsel work.
• Tressler LLP: Chicago-based mid-size firm serving closely-held businesses and insurers with overlapping practice areas in business litigation, commercial insolvency, insurance coverage disputes, and employment law. Comparable in size, footprint, and client mix to Momkus LLP, and a direct competitor in DuPage County and Chicago matters.
• McDonald Hopkins LLC: Mid-size business-focused law firm with a Chicago presence and similar full-service offering across M&A, litigation, employment, real estate, and trusts & estates. Competes for closely-held business clients across the Midwest.
• Schiller DuCanto & Fleck, Ltd. Chicago-area family law and estate planning firm serving affluent individuals and families. Comparable in geographic market and overlaps with Momkus LLP's family law and estate planning/wealth transfer practices.
• Aronberg Goldgehn Davis & Garmisa, LLC: Chicago-area mid-size firm with business law, litigation, employment, real estate, and trusts & estates practices serving closely-held businesses and individuals. Highly comparable in scope, size, and client mix to Momkus LLP.
• Freeborn (formerly Freeborn & Peters LLP): Chicago-based full-service firm with comparable business law, litigation, employment, and trusts & estates offerings and a similar focus on closely-held businesses as general counsel. Direct competitor for outsourced GC and business law work in the Chicago metro.
• Much Shelist, P.C. Chicago mid-size business law firm with overlapping practice areas including business transactions, M&A, commercial litigation, employment, and commercial real estate. Direct competitor for mid-market closely-held business clients in Illinois.

Broad incumbents

• Howard & Howard Attorneys PLLC: Larger full-service Michigan-and-Illinois-based business law firm with established business transactions, litigation, and estate practices. Overlaps with Momkus LLP on business transactions, M&A, and litigation, but operates at meaningfully greater scale across multiple states.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/MomkusLLC

Revenue estimate

Valuation estimate

Number of profiles

Profiles23 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 Momkus