| # | Company | Employees |
|---|---|---|
| 1 |
Boston Consulting Group (BCG)bcg.com
A global management consulting firm that partners with organizations to tackle challenges, drive growth, and create positive societal impact through innovative solutions |
40,412 |
| 2 |
Publicis Sapientpublicissapient.com
A digital business transformation partner, specializing in strategy, product, experience, engineering, data, and delivering impactful solutions to global organizations |
24,251 |
| 3 |
CEOchasedimond.com
The company provides expert insights and guidance in finance, investing, and capital markets to empower clients in making wealth-enhancing decisions |
6,006 |
| 4 |
L.E.K. Consultinglek.com
Global management consulting firm providing deep industry expertise and rigorous analysis to help business leaders improve performance and create greater shareholder returns. |
4,271 |
| 5 |
Beacon Hillbhsg.com
Provides direct hire, executive search, contract consulting, and temporary staffing solutions across multiple industries including legal, technology, financial, and life sciences sectors. |
3,125 |
| 6 |
Analysis Groupanalysisgroup.com
Provides economics, finance, healthcare analytics, and strategy expertise to law firms, Fortune 500 companies, and government agencies globally. |
1,848 |
| 7 |
Charles River Associatescrai.com
Global consulting firm specializing in litigation, regulatory, financial, and management consulting, providing economic and financial analysis, guidance on strategy and operations |
1,654 |
| 8 | 1,109 | |
| 9 | 875 | |
| 10 |
Peloton Consulting Grouppelotongroup.com
Specializing in digital transformation, this company offers expertise in EPM, ERP, HCM, SCM, Big Data & Analytics, and cloud-based data applications for organizational change |
830 |
| 11 |
Altman Solonaltmansolon.com
Strategic advisory services for telecommunications, media, and technology sectors focusing on digital innovation, go-to-market approaches, global mergers and acquisitions, and investor due diligence. |
692 |
| 12 |
Sapient Global Marketslinkedin.com
Former financial services consultancy now operating as a digital business transformation partner through a global merger with other legendary industry brands. |
634 |
| 13 |
The Brattle Groupbrattle.com
Provides expert economic, finance, and regulatory analysis and advice to corporations, law firms, and governments worldwide with clarity and credibility. |
595 |
| 14 |
Putnaminizio.com
A leading scientific and strategic consulting partner in the life science industry, helping clients bring impactful innovations to clinicians and patients worldwide |
395 |
| 15 |
Verndaleverndale.com
Digital experience agency providing strategy, design, development, and marketing for web, mobile, and ecommerce platforms to create human-centric customer journeys and business growth. |
386 |
| 16 | 364 | |
| 17 |
Investor Group Services (IGS)igsinsights.com
Trusted advisory firm supporting investors and business leaders with data-driven insights for transactions, growth, and value creation in middle market companies |
185 |
| 18 |
Archetype Consultingarchetypeconsulting.com
Archetype Consulting offers customized services to help clients achieve success with Business Intelligence and Enterprise Performance Management solutions through strategic vision, process improvement, and ongoing support services |
160 |
| 19 |
MPN Capital Marketsmpncapitalmarkets.com
A full-service energy management consulting firm advising businesses, governments, NGOs, homeowners, and nonprofits on improving energy procurement strategies for long-term savings |
156 |
| 20 |
Innosightinnosight.com
A strategy and innovation consulting firm part of Huron Consulting Group, helping organizations navigate disruptive change, drive growth strategies, and accelerate innovation initiatives |
152 |
| 21 |
FullFunnelfullfunnel.co
A global revenue operations services firm that helps organizations improve their revenue programs through strategic partnerships and data-driven solutions |
45 |
| 22 |
Aliter Investment Services LLCaliteris.com
Aliter provides strategic consulting, operational improvement, and technology solutions for investment managers, service providers, and product solutions companies |
36 |
| 23 |
Convertivconvertiv.com
A consultancy specializing in optimizing digital experiences, technology, and data for growth-focused companies to exceed sales and marketing goals |
28 |
| 24 |
Solomon Consulting Groupsolomonconsult.com
A leading service provider offering digital transformation services, intelligent automation solutions in B2B/B2C sectors with experienced consultants, designers, and developers |
15 |
| 25 |
Stratos Consultingstratosconsulting.com
Design and build cloud-native data environments integrating commercial biopharma data to support analytics, reporting, and ongoing managed services. |
14 |
| 26 |
Katama Consulting Groupkatama.io
Tailored and cost-effective sales strategies driven by a dedicated team of trained SDRs equipped with scripts, templates, and objection-handling strategies |
13 |
| 27 |
Wellesley Cove Groupwellesleycove.com
Consulting firm specializing in organizational shifts Services range from general business practices to strategic innovation, technology, and data analysis initiatives |
12 |
| 28 |
VT Technology Venturesvttv.biz
An investment and consulting firm based in Boston, MA that specializes in accelerating growth for early and growth stage technology companies |
2 |
| 29 |
3B Global Consulting3bglobalconsulting.com
Provider of consultancy and business services, offering solutions to businesses worldwide with a focus on global perspective and expertise |
2 |
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How this list is built
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 Oct 10, 2026.
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