This list features large professional services firms, predominantly in law, accounting, and business consulting. Key players include KPMG Italy, a global professional services network offering audit, advisory, tax, and legal services, and Mazars, a global integrated partnership providing audit, accountancy, advisory, tax, and legal services. Other notable firms are PwC India, specializing in audit, tax, legal, and consulting, and Dentons, a global law firm with a broad international presence.
The firms listed show a diverse geographic spread, with headquarters in cities like Milan, Paris, London, and Chicago. While many are well-established global entities, there is also a presence of specialized law practices, indicating a mix of broad professional service providers and more focused legal operations.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
KPMG Italykpmg.com
A global professional services network providing audit, advisory, tax, and legal services to businesses worldwide, focusing on building trust and driving change |
265,000 | |||
| 2 |
Mazarsforvismazars.com
Global integrated partnership providing audit, accountancy, advisory, tax, and legal services through fifty thousand professionals across more than one hundred countries worldwide. |
42,000 | |||
| 3 | 37,600 | ||||
| 4 |
Escritório de Advocacia
Legal services provided by a law office specializing in advocacy and legal representation |
35,758 | |||
| 5 | 28,584 | ||||
| 6 |
Co-opcoop.co.uk
A large consumer co-operative in the UK, offering a variety of services including food retail, funeral services, insurance, and legal services |
21,184 | |||
| 7 |
Escritório Particular de Advocaciamariaconsuelo.adv.br
Legal advising and consulting services provided to clients, offering expertise in legal matters and guidance on various legal issues |
17,153 | |||
| 8 | 15,102 | ||||
| 9 |
Studio legalestudiocorriaslucente.it
Legal office specializing in criminal law, providing legal representation and advice |
15,087 | |||
| 10 | 12,081 | ||||
| 11 |
Dentonsdentons.com
Global law firm in 80+ countries offers legal solutions for clients to grow, protect, operate, and finance, emphasizing diversity, inclusion, and sustainability |
12,002 | |||
| 12 |
Baker McKenziebakermckenzie.com
Provide practical legal advice combining local knowledge and international expertise to help businesses succeed across global markets. |
11,895 | |||
| 13 |
PwC Deutschlandpwc.de
A leading auditing and consulting firm in Germany, offering services worldwide with expertise in assurance, tax, legal, deals, and strategy advisory |
11,566 | |||
| 14 |
TMF Grouptmf-group.com
Provides global administrative, financial, and legal support, helping companies navigate complex regulations and operate safely across numerous international markets. |
11,186 | |||
| 15 |
KPMG Canadakpmg.com
Providing audit, tax, and advisory services to public, private, nonprofit, and public sector organizations across Canada with professionalism. |
10,017 | |||
| 16 |
KPMG Australiakpmg.com.au
Professional services firm offering audit, tax, legal, management consulting, and digital solutions to diverse industries and sectors in Australia. |
9,429 | |||
| 17 |
A&O Shearmanaoshearman.com
Legal services specializing in energy, life sciences, technology, finance, and private capital with expertise in U.S., English, and global laws. |
9,358 | |||
| 18 |
PwC Middle Eastpwc.com
Providing audit, tax, legal, deals, and consulting services with regional insight and global expertise to solve complex business challenges. |
9,018 | |||
| 19 |
Norton Rose Fulbrightnortonrosefulbright.com
Global business law firm with over 3,500 lawyers serving corporations and financial institutions worldwide, offering industry-focused legal services and global risk advisory solutions |
8,939 | |||
| 20 |
Kirkland & Elliskirkland.com
Providing top-tier legal services in corporate transactions, litigation, investigations, and asset management with global reach and innovative approach. |
8,683 | |||
| 21 |
Clifford Chancecliffordchance.com
A global law firm providing high-quality legal advice to a diverse range of clients, including corporations, governments, regulators, and non-profit organizations worldwide |
8,435 | |||
| 22 |
White & Case LLPwhitecase.com
Global law firm providing cross-border legal services with local expertise, innovative solutions, and client-focused guidance for complex issues. |
8,237 | |||
| 23 |
Epiqepiqglobal.com
Provides technology-enabled services for corporate counsel, law firms, and business professionals, streamlining administration of legal department, business operations, eDiscovery, and regulatory matters. |
8,206 | |||
| 24 | 7,944 | ||||
| 25 | 7,793 | ||||
| 26 |
Hogan Lovellshoganlovells.com
Global team of 2,600+ lawyers providing innovative legal solutions for major industries worldwide, with a focus on diversity, community impact, and business strategy alignment |
7,724 | |||
| 27 |
Deloitte Australiadeloitte.com.au
A forward-thinking professional services firm focused on cyber security, virtual reality, digital marketing, and tech integration across various industries, aiming to make a meaningful impact |
7,674 | |||
| 28 |
Clyde & Coclydeco.com
A global law firm specializing in insurance, transport, infrastructure, energy, and trade Committed to diversity, community support, and environmental sustainability |
7,472 | |||
| 29 |
Linklaterslinklaters.com
It is a global law firm providing legal expertise and innovative solutions to clients navigating complex markets and regulatory environments. |
7,110 | |||
| 30 |
Herbert Smith Freehills Kramerhsfkramer.com
Providing expert legal services worldwide, specializing in complex litigation, regulatory work, and market transactions across key industries. |
6,946 | |||
| 31 |
Freshfieldsfreshfields.com
Global law firm supporting leading corporations, financial institutions, and governments on ground-breaking mandates worldwide through 2,800+ lawyers in multiple offices |
6,920 | |||
| 32 |
Fragomenfragomen.com
Provides comprehensive immigration legal services and technology solutions to corporate, academic, nonprofit, and individual clients globally. |
6,656 | |||
| 33 |
Jones Dayjonesday.com
Provides comprehensive legal services worldwide through a large network of lawyers collaborating across multiple disciplines and jurisdictions. |
6,417 | |||
| 34 |
Eversheds Sutherlandeversheds-sutherland.com
Global law practice offering high quality, innovative solutions for diverse clients worldwide, specializing in complex business issues with a people-focused approach |
6,217 | |||
| 35 |
KPMG Francekpmg.com
Professionals providing audit, consulting, and accounting expertise to international key accounts, mid-sized companies, family groups, and very small businesses across various sectors. |
5,803 | |||
| 36 |
Greenberg Traurig, LLPgtlaw.com
A global law firm with 2750+ attorneys, recognized for client service, diversity, innovation, pro bono work, and commitment to renewable energy and philanthropy |
5,767 | |||
| 37 | 5,728 | ||||
| 38 |
Defensoria Pública do Estado de São Paulodefensoria.sp.def.br
A public institution providing free legal assistance, promoting human rights, and defending individual and collective rights judicially and extrajudicially |
5,726 | |||
| 39 |
Vialtovialtopartners.com
Global mobility ecosystem transformation through tax, immigration, compensation, and work strategy solutions for multinational organizations in 150+ countries |
5,717 | |||
| 40 |
Morgan & Morgan, P.A.forthepeople.com
This company fights for justice and compensation for those injured or mistreated by big corporations, with over 1,000 attorneys nationwide |
5,544 | |||
| 41 |
KPMG Españakpmg.com
Professional services firm providing audit, tax, legal, financial, and business advisory with global expertise and local market knowledge. |
5,523 | |||
| 42 |
Ashurstashurst.com
Leading global law firm offering legal, risk consulting, and NewLaw services. Manages complex multi-jurisdictional transactions, disputes, and projects for corporates, financial institutions, and governments. |
5,236 | |||
| 43 |
Sidley Austin LLPsidley.com
Providing comprehensive legal services worldwide, specializing in complex transactions, restructuring, investigations, regulatory, and litigation matters across multiple industries. |
5,113 | |||
| 44 |
Morgan, Lewis & Bockius LLPmorganlewis.com
Legal professionals providing corporate, transactional, litigation, and regulatory services to diverse industries worldwide, supporting clients' immediate and long-term goals. |
5,068 | |||
| 45 |
Skadden, Arps, Slate, Meagher & Flom LLP and Affiliatesskadden.com
Provides innovative legal advice and solutions for complex transactions, litigation, regulatory matters, serving diverse clients globally with collaborative expertise. |
4,946 | |||
| 46 |
Advocateweareadvocate.org.uk
A charity connecting individuals and organizations in need with pro bono legal assistance from volunteer barristers across England and Wales |
4,917 | |||
| 47 |
DWFdwfgroup.com
Global provider of integrated legal and business services across various sectors, offering bespoke solutions for clients with efficiency, price certainty, and transparency |
4,848 | |||
| 48 |
K&L Gatesklgates.com
Global law firm providing expert legal counsel across corporate, regulatory, and litigation matters for diverse industries and public sector clients. |
4,682 | |||
| 49 |
Holland & Knight LLPhklaw.com
Global law firm with 2,200+ professionals in 34 offices worldwide, specializing in litigation, business, real estate, and governmental law Active on social media platforms |
4,675 | |||
| 50 |
PPLSIlegalshield.com
The company provides affordable legal and privacy protection services to empower individuals and ensure access to justice and security for all |
4,563 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Mayer Brownmayerbrown.com
Representation of major corporations, funds, and financial institutions in complex transactions and disputes across international markets. |
4,544 | |||
| 52 |
Pinsent Masonspinsentmasons.com
Multinational professional services firm, legal foundation, diverse skill sets, technology, processes, competitive advantage clients, business-critical advice complex regulatory environments. |
4,403 | |||
| 53 |
PwC Polskapwc.pl
Providing legal, tax, business, and audit solutions to diverse clients across sectors, supporting both large corporations and local enterprises. |
4,370 | |||
| 54 | 4,336 | ||||
| 55 |
Fiducialfiducial.fr
An international provider of professional services specializing in business counseling, bookkeeping, payroll, tax, and financial management for small businesses and individuals |
4,300 | |||
| 56 |
Gibson Dunngibsondunn.com
Global law firm offering tailored legal strategies across diverse practice areas, supporting clients through complex transactions and disputes worldwide. |
4,175 | |||
| 57 |
PwC South Africapwc.co.za
A trusted global firm in South Africa, providing tailored solutions and expertise in assurance, consulting, tax, and legal services across various industries |
4,161 | |||
| 58 |
Integreonintegreon.com
A trusted provider of outsourced legal, creative, and business services globally, helping clients enhance business performance through expert support |
4,140 | |||
| 59 |
PwC Francepwc.fr
Offers consulting, audit, legal, and tax expertise, blending technology with multidisciplinary knowledge to accelerate sustainable business transformation for organizations. |
4,109 | |||
| 60 | 4,027 | ||||
| 61 |
Kantor Hukum
Legal office specializing in providing legal representation and consultation services to clients in various legal matters |
4,002 | |||
| 62 |
Goodwingoodwinlaw.com
Global law firm providing litigation, regulatory compliance, advisory services, and complex transactions for clients in diverse industries worldwide. |
3,975 | |||
| 63 |
Simpson Thacher & Bartlett LLPstblaw.com
A leading international law firm with over 1,000 lawyers, providing legal advice and transactional services worldwide from its headquarters in New York |
3,914 | |||
| 64 |
Moore Globalmoore-global.com
Global accounting and advisory firm with over 37,000 professionals in 114 countries, dedicated to helping clients thrive through expert guidance and support |
3,884 | |||
| 65 |
Reed Smith LLPreedsmith.com
Global law firm offering experienced legal counsel to drive progress for clients, communities, and ourselves through collaboration, industry insight, and innovation |
3,849 | |||
| 66 |
London Commercial Solicitors
Specialized team of lawyers offering comprehensive and personalized legal services to businesses and individuals, with a focus on achieving expectations and solving legal issues |
3,778 | |||
| 67 |
PwC Españapwc.es
Provides audit, tax, legal, consulting, and transaction services across Spain, helping businesses navigate change and build trust. |
3,761 | |||
| 68 |
Defensoria Pública do Estado do Rio de Janeiro - DPGEdefensoria.rj.def.br
A public institution providing free legal assistance and guidance to financially disadvantaged citizens, defending human rights and promoting justice for vulnerable groups |
3,689 | |||
| 69 |
McDermott Will & Schultemwe.com
Global law firm providing legal services through data-driven insights, deep relationships, and extensive industry experience across multiple offices worldwide. |
3,680 | |||
| 70 | 3,657 | ||||
| 71 |
Ropes & Gray LLPropesgray.com
A global law firm with approximately 1,500 lawyers serving clients in major business hubs, known for leading practices in various legal areas |
3,647 | |||
| 72 |
Escritório de Advocaciabcadvogados.pt
Law office providing legal counsel and business advisory services |
3,641 | |||
| 73 |
Consilio LLCconsilio.com
Offers eDiscovery, document review, flexible legal talent, legal advisory, and transformation consulting services to law firms and corporations globally. |
3,639 | |||
| 74 |
Squire Patton Boggssquirepattonboggs.com
A global law firm with over 1,500 lawyers across four continents, providing legal insight and support for businesses in various sectors |
3,630 | |||
| 75 |
Gowling WLGgowlingwlg.com
It is an international law firm offering legal services across key sectors, emphasizing diversity and inclusion while serving clients globally. |
3,609 | |||
| 76 |
Cooley LLPcooley.com
A global law firm with 1,300 lawyers specializing in transformative deals, IP, regulatory matters, and litigation across the US, Asia, and Europe |
3,597 | |||
| 77 |
PwC Nederlandpwc.nl
A global company providing advisory, assurance, digital, and tax services aiming to solve major societal issues and build trust in the world |
3,568 | |||
| 78 |
In Extensoinextenso.fr
French accounting leader with broad services for businesses. Offers accounting, administrative, legal, tax, social, M&A, tourism, wealth, innovation, and legal advice. |
3,533 | |||
| 79 |
Addleshaw Goddardaddleshawgoddard.com
Providing comprehensive legal advice and solutions across over 50 business law areas to clients in more than 100 countries worldwide. |
3,391 | |||
| 80 |
Paul Hastingspaulhastings.com
Premier law firm specializing in finance, mergers, private equity, restructuring, litigation, employment, and real estate for top clients worldwide. |
3,357 | |||
| 81 |
The Legal Aid Societylegalaidnyc.org
Provide free legal services to low-income individuals, including criminal defense, civil legal services, and juvenile rights representation in Family Court |
3,320 | |||
| 82 |
California Department of Justiceoag.ca.gov
Defends state policies across healthcare, immigration, and environmental sectors while seeking accountability from those abusing power through legal action and specialized investigative work. |
3,297 | |||
| 83 |
Gordon Rees Scully Mansukhani, LLPgrsm.com
A nationwide law firm providing comprehensive litigation and business transaction services to public and private companies, with 1,200 lawyers across all states |
3,257 | |||
| 84 |
Lewis Brisboislewisbrisbois.com
A national law firm established in 1979, with over 1,600 attorneys and 54 offices in 30 states, providing full-service legal assistance |
3,225 | |||
| 85 | 3,202 | ||||
| 86 |
Bird & Birdtwobirds.com
Providing legal services worldwide with expertise in technology and digital transformation, supporting clients across multiple industries and regions. |
3,196 | |||
| 87 |
Orrick, Herrington & Sutcliffe LLPorrick.com
Global law firm specializing in technology, energy, infrastructure, and finance sectors, providing pragmatic advice on transactions, litigation, and compliance worldwide. |
3,193 | |||
| 88 |
DAC Beachcroftdacbeachcroft.com
Leading international legal business, partnering with clients for sustainable growth, defending their business and reputation with tailored commercial, transactional, claims, risk, and advisory legal services. |
3,183 | |||
| 89 |
Irwin Mitchellirwinmitchell.com
Providing personal and business legal advice with deep understanding, tailored solutions, and international support through a global network. |
3,179 | |||
| 90 | 3,160 | ||||
| 91 |
PwC Indonesiapwc.com
Provider of industry-focused assurance, tax, advisory, and consulting services to clients in Indonesia, utilizing global resources and expertise to deliver value |
3,121 | |||
| 92 |
King & Spaldingkslaw.com
Provides comprehensive legal representation to multinational corporations across various industries with offices in multiple continents worldwide. |
3,102 | |||
| 93 |
Foley & Lardner LLPfoley.com
A global law firm specializing in Energy, Health Care, Technology, and Manufacturing sectors, providing creative solutions and full-service legal support |
3,067 | |||
| 94 |
PwC Argentinapwc.com.ar
Global firm providing quality audit, consulting, tax advice, legal services, and outsourcing, aiming to build trust, solve key issues, and deliver sustainable results through innovative technologies |
3,057 | |||
| 95 |
Provanaprovana.com
A company providing credit and collection solutions aimed at driving growth and profitability through workforce optimization and streamlined processes |
3,049 | |||
| 96 |
King & Wood Mallesonskingandwood.com
A multinational law firm with 3000+ lawyers in 29 locations, offering tailored legal solutions to clients with global ambitions and challenges |
3,040 | |||
| 97 |
Kennedyskennedyslaw.com
Global law firm specializing in litigation, insurance, and liability sectors with expertise in advisory services Operates worldwide with a focus on regulatory impact |
3,028 | |||
| 98 |
Morrison Foerstermofo.com
Providing tailored legal strategies and trusted partnerships to solve complex challenges for financial, technology, life sciences, and Fortune 100 clients. |
2,990 | |||
| 99 |
Garriguesgarrigues.com
An international team of legal and tax experts providing top-quality services with commitment to ethics and innovation, helping businesses in various countries |
2,990 | |||
| 100 |
Littlerlittler.com
Largest global employment and labor law practice representing management, providing comprehensive legal solutions across multiple continents and countries worldwide. |
2,984 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.
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