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Top Consulting Firms, Ranked on Disclosed Evidence

Compare consulting firms on disclosed revenue, headcount, interview format, and entry pay from filings and careers pages—not prestige surveys.

UpdatedReviewed by Ned

Most "top consulting firms" lists are prestige theater. They stack McKinsey, BCG, and Bain on a ladder, then pad the page with folklore revenue numbers private partnerships never publish.

What actually helps you choose targets is thinner and more useful: disclosed scale, a published interview format, an entry pay band you can cite, and an office footprint you can reach. After this piece you should be able to score any firm on those four filters, drop the ones that fail them, and point your case prep at the formats those firms actually describe.

CoachNed is independent of every firm named here. Firm deep-dives live in separate guides; this page is the filter, not the encyclopedia.

The four filters (state these before any ranking)

I score a firm for recruiting purposes on evidence a candidate can open and date—not on peer surveys or anonymous salary posts.

FilterWhat countsWhat does not
Disclosed scaleRevenue or headcount in a filing, annual review, or signed press release"About $X billion" with no source year
Published interview formatCareers page or official assessment hub naming the stepsRound counts from forums
Entry pay bandSchool employment report or firm-posted bandGlassdoor medians treated as fact
Office footprintCities and countries the firm states"Global presence" with no map

If a cell is blank, leave it blank. Blank is information: private partnerships often withhold revenue on purpose. Treating an estimate as a rank is how candidates waste applications on a hierarchy that was never measurable.

Firms with numbers you can actually open

The table below uses parent or segment figures the organizations published. Strategy boutiques that do not disclose revenue are listed for interview format only where the careers page is public—and left incomplete on money.

Firm or networkDisclosed scale (as of)Source typeNotes for candidates
BCG$13.5B revenue, 33,000 people (2024); $14.4B, 33,500 (2025)Firm press releasesOne of the few strategy giants that publishes both
Bain17,266 employees (31 Dec 2024); revenue confidentialGRI / WEF reportHeadcount is firm-stated; do not invent revenue
McKinseyRevenue and total headcount not in audited public filingsSustainability report discloses clients and countries, not P&LPrepare to the published interview spine, not to a fake #1
Deloitte network$70.5B FY2025; 470,000+ people; consulting services $43.7BGlobal revenue announcement / metrics PDFParent scale ≠ Monitor Deloitte headcount
PwC network$56.9B FY25 (year ended 30 Jun 2025); ~364,000 peopleGlobal press releaseStrategy& sits inside a much larger network
EY network$53.2B FY25; 406,209 people; Strategy and Transactions $6.2B / 25,036 peopleEY revenue releaseRare Big 4 disclosure of a strategy-adjacent line
KPMG network$39.8B FY25 continued ops; 276,030 people (30 Sep 2025)KPMG press releaseAdvisory is one function inside the network
Accenture$69.67B FY2025; Consulting $35.11B; ~779,000 people (31 Aug 2025)Earnings release / 10-KPublic company; consulting is half of revenue, not all of it
Oliver Wyman Group$3.4B revenue (2024); 7,200+ professionalsMarsh McLennan filingsIncludes Oliver Wyman, Lippincott, NERA
Capgemini Group€22.1B revenue (2024); 341,100 people (31 Dec 2024)Investor resultsInvent is not broken out as a separate P&L
FTI Consulting$3.699B revenue (2024); 8,374 employees (31 Dec 2024)Press release / annual reportPublic specialist; restructuring and forensics heavy

BCG's own April 2025 release put 2024 revenue at $13.5 billion with headcount at 33,000; its April 2026 release raised that to $14.4 billion and 33,500 people. Bain's 2024 GRI index states 17,266 employees and that financial information is confidential. Those two sentences already beat most prestige lists: one firm publishes money, one publishes people, and McKinsey publishes neither as a network total.

Strategy partnerships: prepare the published process, not the brand ladder

McKinsey, BCG, and Bain still dominate MBA consulting placement at many schools. That is a labor-market fact, not a quality ranking. What you can practice against is what each firm puts on its careers site.

McKinsey states that for most consulting roles you take Solve, then a personal experience interview and a problem-solving (case) interview. BCG publishes a case interview preparation page that describes structuring, questioning, math, and communication—and links practice cases. Bain publishes a digital assessment hub naming Sova or TestGorilla when assigned, roughly 30–40 minutes, mandatory when required.

Full firm walkthroughs: McKinsey case interview guide, BCG Casey guide, Bain SOVA guide, what is BCG, what is Bain. Do not re-learn their histories here.

Ned's rule. If a firm will not put its interview steps on a careers page you can bookmark, treat brand lore as optional reading and treat case structure, chart reading, and clean math as mandatory. The scoring sheet is local; the folklore is global.

Big 4 networks: read the parent number, target the practice

Deloitte, PwC, EY, and KPMG publish network-wide revenue because the market demands it. Use those figures for scale and stability. Do not confuse them with the headcount of Monitor Deloitte, Strategy&, EY-Parthenon, or KPMG's strategy group unless the firm breaks that line out.

As of the FY2025 announcements: Deloitte $70.5 billion and 470,000-plus people (consulting services $43.7 billion in its performance metrics PDF); PwC $56.9 billion; EY $53.2 billion with Strategy and Transactions at $6.2 billion and 25,036 people; KPMG $39.8 billion continued operations and 276,030 people.

For how those networks hire and how they differ from MBB day-to-day, use Big 4 consulting firms and types of consulting firms. Interview formats vary by country and practice; follow the invitation, not a generic "Big 4 case" myth.

Public implementation and specialist firms

Accenture's FY2025 results show $69.67 billion in revenue, of which Consulting was $35.11 billion, with about 779,000 people in the 10-K summary. Capgemini's 2024 results show €22.1 billion and 341,100 people at year-end—group figures, not Invent alone.

Oliver Wyman Group is one of the rare strategy-heavy units with a parent filing: Marsh McLennan reported about $3.4 billion of Oliver Wyman Group revenue for 2024 and more than 7,200 professionals in its annual materials. FTI Consulting's 2024 results show $3.699 billion and 8,374 employees—useful as a public specialist benchmark when candidates equate "top" only with MBB logos.

Sector shortlists (healthcare, financial services, and so on) belong in those vertical guides, not in another prestige stack here.

Entry pay: use school reports, not rumor ladders

Harvard Business School's Class of 2025 consulting function page reports a median base salary of $190,000, a median signing bonus of $30,000 (91% receiving), and a median variable bonus of $40,000 (90% receiving). That is an MBA consulting cohort, heavily weighted to the firms that hire on campus—not a firm-by-firm disclosure.

Undergraduate and experienced-hire bands move by city and market. When a firm posts a range on the job requisition, use that. When it does not, cite the school report for your program year and label everything else as estimate. For a deeper pay walkthrough, see CoachNed's salary tools after you shortlist firms—not before.

Worked example: triage nine applications in twelve weeks

Assume you are in Chicago, finishing an MBA, and you can run three serious applications per month for twelve weeks—nine total. Score each target 0 or 1 on the four filters, then take the sum.

TargetScale disclosedInterview format publishedPay band citeableChicago / Midwest officeScore
BCG111 (HBS cohort)14
Bain1 (headcount)1 (digital assessment page)114
McKinsey0 (no P&L)1113
Deloitte Consulting1 (parent + consulting line)1 (practice-dependent)114
EY Strategy and Transactions1 (line disclosed)Check invite113–4
Kearney / L.E.K. / Roland BergerOften 0 on revenueCheck careers pagePartialOffice-dependent1–3
Boutique with no careers process page000?0–1

Priority order for this candidate: fill the four-score slots first, then McKinsey on process strength, then any boutique that publishes a clear process and has a reachable office. Skip prestige-only names that fail three filters. That is nine applications with a memory of why each exists—not twenty logos and no reps.

Reproduce the table with your city and your calendar. Change a 1 to a 0 when you cannot open a primary source in five minutes.

Practice against the formats you just filtered

Once three firms clear the filters, stop collecting lists and run the assessments those firms describe.

  1. Open Solve or Bain SOVA or BCG CCA for the digital screen your invite names.
  2. Run one live voice case on /interview (CopperCup, about 18 minutes, seven-score debrief) or three typed turns on /start if you have five minutes.
  3. Drill structure and math on /drills/structure and /drills/math until the sheet stops leaking points on setup and arithmetic.

Everything on CoachNed is open for seven days with no card; then $120 for a recruiting season or $49 a month.

Practice

Structure drill

Write an opening tree on a fresh prompt and get scored on MECE branches, not a memorized framework.

Start a drill

Frequently asked questions

Which consulting firm is number one in 2026?

There is no durable number-one once you drop prestige surveys. BCG discloses recent revenue and headcount; Bain discloses headcount and withholds revenue; McKinsey withholds both as network totals. Rank the application you can prepare for, not a logo order.

How should I compare MBB and Big 4 as a candidate?

Compare day-to-day work type, published interview steps, and parent versus practice scale. Big 4 networks publish larger revenue because they include audit, tax, and technology. MBB partnerships sit closer to pure strategy staffing. Use how to get into consulting for path design after you pick a tier.

Do consulting firms publish starting salaries?

Rarely as a universal global band. Business-school employment reports (for example HBS consulting medians for the Class of 2025) are the durable public source for MBA cohorts. Prefer a posted requisition range when one exists.

Is Accenture a strategy firm or an implementation firm?

Accenture's FY2025 filings split revenue into Consulting ($35.11B) and Managed Services ($34.57B). Strategy work exists inside a much larger technology and operations machine. Score it on the role description you applied to, not on a single bucket label.

Should I apply only to firms that disclose revenue?

No. Apply where the interview format is published and the office is reachable. Disclosed revenue helps you understand scale; missing revenue only means you should not invent a rank from an estimate.

Sources