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Mergers and Acquisitions Advisory: Market Structure, Competition and Outlook

Global industry report based on latest available data, with US-target and regional references

  • Global, with US-target and regional references where cited
  • Data period: Latest available data
  • 9 min read
  • 14 sources
  • Updated Oct 2026
  • Global M&A deal value (XBMA) 4.6US dollars, trillions Observed Global, Latest calendar year [7]
  • Transactions valued at 1 billion US dollars or more, share of value 56.6percent of global value Observed Global, Latest calendar year [6]
  • Estimated global M&A transactions 50,810transactions Estimate Global, Latest calendar year [6]
  • Average reported deal size, change from prior period 40percent Observed Global, Latest calendar year [9]

Summary

Global M&A advisory activity is concentrated in a small number of large banks, specialist boutiques and legal advisers. Reported deal value recovered strongly in the latest available data, but the sources disagree widely on the size of the market, from about 3.0 trillion to 4.6 trillion US dollars 78910. Deal counts grew far more slowly than value, which points to growth driven by large transactions 106. Bank disclosures show that advisory revenue is volatile from quarter to quarter 234. The main risks are market volatility, dependence on megadeals and inconsistent reporting definitions. Verified data on fees, margins, technology adoption, fraud and regulator conduct rules was not retrieved, so this report does not quantify those areas. Expect activity to stay uneven, with a backlog supporting near-term fee income 1.

Key findings

  1. 1

    Reported global deal value rose strongly in the latest period

    Providers report recovery in deal value, with BCG citing 3.0 trillion US dollars, up 31%, and WilmerHale citing 3.98 trillion, up 42% 89. Figures are not reconciled across providers.

    Confidence: Medium
  2. 2

    Growth in value outpaced growth in deal count

    One compilation reports value up 49% but deal count up only about 5%, attributing growth to megadeals 10. BCG reports a majority deal count of about 33,000, roughly flat on the prior period 8.

    Confidence: Medium
  3. 3

    Transactions of 1 billion US dollars or more dominate value

    Transactions valued at 1 billion US dollars or more generated about 2.6 trillion US dollars, roughly 56.6% of global M&A value, according to an estimate by PitchBook 6.

    Confidence: Medium
  4. 4

    Goldman Sachs advisory revenue is volatile by quarter

    Advisory net revenues in the first quarter were 792 million US dollars, down 18% from the prior quarter, while investment banking fees for the full latest year were 9.34 billion US dollars 21.

    Confidence: High
  5. 5

    Fee pool and conduct rules are not verified

    No reconciled advisory fee pool and no regulator publication on advisory conduct, fee disclosure or conflicts were retrieved for a single jurisdiction. Conclusions on pricing and compliance are therefore limited.

    Confidence: Qualitative

1Industry definition and scope

This report covers mergers and acquisitions advisory: advice to companies, boards, sponsors and investors on buying, selling, merging and restructuring businesses. Typical work includes valuation, deal sourcing, negotiation support and transaction execution. This definition is the writer's working definition, not a figure from a source.

Geographic scope is global, with references to US-target transactions and regional fee data where a source provides them. The reporting period is the latest available data. Sources were not always consistent about whether they report announced or completed deals, reported or estimated values, or which deals are included 8910.

Terminology needs care. Deal value is the aggregate price of transactions. Deal count is the number of transactions. Advisory revenue is the fee income from advisory work, which banks report inside broader investment banking fees 1. Megadeals are large transactions, and the sources do not share one threshold.

The segments covered are bank advisory businesses, specialist advisory boutiques and legal advisers. Each serves different clients and earns income in different ways, so the segments are compared with care in later sections.

Definitions were set from the pack's use of terms such as advisory net revenues, deal value and deal count. No external definition was added.

Assumptions behind these figures

  • Working definitions are the writer's interpretation and are not drawn from a single source.

2Market size, structure and value chain

Reported global M&A value for the latest available period differs by provider. XBMA reports 4.6 trillion US dollars 7, BCG reports 3.0 trillion 8, WilmerHale reports 3.98 trillion 9, and a compilation citing LSEG reports 4.6 trillion 10. These gaps reflect different definitions, so no single reconciled figure is used here.

Deal count estimates also vary. PitchBook estimates 50,810 transactions 6, WilmerHale reports 44,817 deals 9, and BCG reports a majority deal count of about 33,000 8. The average reported deal size was 88.9 million US dollars, up 40%, according to WilmerHale 9.

Value is concentrated in large deals. Transactions of 1 billion US dollars or more were about 56.6% of global value 6. Cross-border deals were 1.4 trillion US dollars, about 30% of global volume 7. These shares come from different providers and should be read as indicative only.

The value chain runs from origination and deal sourcing, through advisory and valuation, to financing, legal documentation and execution. Advisers earn success fees tied to completion, and a vendor guide reports average success fees across 456 middle-market advisors in 49 countries, with European rates 0.4 to 1.1 points lower 13. A vendor ranking states megadeal fees typically run well under 1% of deal value, which is an estimate and not a regulator figure 11.

Key stakeholders include corporate buyers and sellers, private equity sponsors, lenders, boards, and the advisers themselves. An advisory fee pool for the latest period was not retrieved from a consistent source.

  • Global M&A deal value (XBMA) 4.6US dollars, trillions Observed Global, Latest calendar year [7]
  • Transactions valued at 1 billion US dollars or more, share of value 56.6percent of global value Observed Global, Latest calendar year [6]
  • Estimated global M&A transactions 50,810transactions Estimate Global, Latest calendar year [6]
Reported global M&A deal value by provider, latest calendar yearUS dollars, trillions
  • BCG (S8)3 US dollars, trillions
  • WilmerHale (S9)3.98 US dollars, trillions
  • XBMA (S7)4.6 US dollars, trillions
  • LSEG via Acquisition Stars (S10)4.6 US dollars, trillions

Four providers report different totals for the same market. Values are from BCG [S8], WilmerHale [S9], XBMA [S7] and a compilation citing LSEG [S10]. The spread shows definitional differences, not a verified market range.

Source: International Institute for the Study of Cross-Border Investment and M&A (XBMA)

View the data
ItemValue
BCG (S8)3 US dollars, trillions
WilmerHale (S9)3.98 US dollars, trillions
XBMA (S7)4.6 US dollars, trillions
LSEG via Acquisition Stars (S10)4.6 US dollars, trillions

Only reported figures are shown. No provider total was adjusted or averaged.

Assumptions behind these figures

  • Provider totals are compared as reported, without adjustment for definitions.
  • Shares of value are indicative because they come from a different provider than the totals.

3Customers, demand and adoption

Customers are corporate buyers and sellers, financial sponsors and strategic acquirers. Their demand depends on transaction activity, financing conditions and valuation levels. The sources show that demand is strongest for large transactions: value rose sharply while deal counts barely moved 810.

Demand indicators point to a pipeline. Goldman Sachs reported that its investment banking fee backlog increased significantly by the end of the latest year, mainly due to higher estimated net revenues from potential advisory transactions 1. A backlog is a company disclosure and is not an industry-wide measure.

Purchasing criteria are not documented in the pack. Industry practice suggests clients weigh sector experience, deal execution capacity and relationships, but the pack contains no survey or primary evidence to quantify these factors. This is the writer's interpretation.

Barriers to demand include market volatility and financing constraints. The pack does not provide verified measures of these barriers, so their size cannot be estimated. Changing expectations, such as greater attention to deal certainty, are not quantified in any source retrieved.

  • Average reported deal size, change from prior period 40percent Observed Global, Latest calendar year [9]

No customer survey or purchasing study was retrieved. Criteria are described in general terms only.

Assumptions behind these figures

  • Demand interpretation is based on value and count trends reported by providers.

4Competitive landscape and key players

The competitive field includes universal banks, specialist advisory boutiques and law firms. Goldman Sachs reported investment banking fees of 9.34 billion US dollars for the latest full year, with advisory revenues as a main driver 1. Its first-half fees were 4.11 billion 3, and its first nine months brought 6.77 billion 4, showing that its results build through the year.

JPMorgan ranked first in total investment banking fees at 10.1 billion US dollars, according to Dealogic data cited by an advisory firm guide 12. Evercore reported record full-year M&A and IPO advisory fees of 3.3 billion US dollars, up 34%, in a vendor ranking 11. Latham & Watkins led global M&A legal advisory by value with deals valued at 740.4 billion US dollars across 526 deals 14.

These figures are not directly comparable. The bank totals include other investment banking activity, the boutique figure combines M&A and IPO advisory, and the legal figure measures deal value advised. Market share cannot be computed consistently from the pack.

Concentration is high in large deals, and the league tables show a few firms at the top. The pack does not give a verified concentration index. Competitive pressure is visible in pricing: lower European advisory rates than other regions are reported, but the source is a vendor guide 13. Margins are not verified for any firm.

  • Investment banking fees, latest full year (Goldman Sachs) 9.34US dollars, billions Observed Global (firm-wide), Latest full fiscal year [1]
Reported fee figures for three advisers. Figures use different definitions and are not a market share ranking. Sources are S1, S11 and S12. [11]
Provider Measure reported Figure Definition note
Goldman Sachs Investment banking fees, full latest year 9.34 billion US dollars Firm-wide investment banking fees [S1]
JPMorgan Total investment banking fees, calendar year 10.1 billion US dollars Dealogic data via advisory firm guide [S12]
Evercore M&A and IPO advisory fees, full year 3.3 billion US dollars Vendor ranking, up 34% [S11]

Fee totals are shown as reported. League table methods differ by provider.

Assumptions behind these figures

  • Table figures are compared for scale only, not for share.

5Technology, operations and workforce

The pack contains no verified data on technology adoption or automation in M&A advisory. Claims about data rooms, valuation models or document review tools cannot be supported from the sources retrieved, so they are not made here.

Operations are affected by the uneven pattern of activity. Advisory revenue fell 18% from one quarter to the next at Goldman Sachs 2, while full-year fees rose 1. A firm with this pattern must manage staffing against a lumpy pipeline. This is an interpretation of disclosed revenue swings, not a measured productivity figure.

Workforce data is not in the pack. No headcount, compensation, or skills data specific to M&A advisory was retrieved. Talent supply cannot be assessed from the sources.

Business model change cannot be measured from the pack either. The shift toward larger transactions (deal value up sharply while deal counts rose only about 5%) suggests that teams working on large deals may gain in importance, but this remains an inference 10.

No technology, productivity or workforce metric was available, so none is reported.

Assumptions behind these figures

  • Operational observations rely on quarterly revenue disclosures only.

6Regulation, standards, risk and sustainability

No verified regulator publication on M&A advisory conduct, fee disclosure or conflicts rules was retrieved for any single jurisdiction. The report therefore cannot separate binding requirements from proposals or voluntary guidance for advisory work. Readers in a regulated setting should consult the relevant national rules directly.

Disclosure is the most verifiable area. Goldman Sachs reports its results in SEC filings, including an annual Form 10-K and quarterly Form 10-Q reports 134. The rules that govern those filings were not retrieved, so this report describes the disclosures without assessing compliance.

Governance matters in advisory work because boards depend on advisers for valuation and conflict management. The pack does not contain verified governance standards or cases, so this point is the writer's interpretation rather than a sourced finding.

Risks include market volatility, concentration in large deals, and inconsistent data. Fraud, default, and loss-rate indicators specific to M&A advisory were not retrieved. Sustainability and social factors were not covered by any source in the pack, so they are not assessed.

No regulator source was available. Statements about rules are limited to what the filings themselves show.

Assumptions behind these figures

  • Regulatory points are limited to disclosure obligations shown in the filings.

7Challenges, opportunities and case examples

The main challenge is the uneven flow of deals. Value can rise sharply while deal counts stay flat 810, which means fee income may depend on a few very large mandates. Data inconsistency adds to the challenge: the same market can be reported at 3.0 or 4.6 trillion US dollars depending on the provider 78.

Opportunities are visible in cross-border activity, which reached 1.4 trillion US dollars, about 30% of global volume 7. Backlog disclosures also point to pipeline strength 1. Firms with cross-border reach and large-deal experience are positioned to benefit if these patterns hold.

Case example one: Goldman Sachs. Its advisory revenue fell 18% in one quarter but its full-year investment banking fees were 9.34 billion US dollars, and its backlog rose significantly 21. This shows how quarterly results can mislead about annual momentum.

Case example two: Evercore. A vendor ranking reports record full-year M&A and IPO advisory fees of 3.3 billion US dollars, up 34% 11. Because the figure comes from a vendor ranking, it is treated as a reported claim, not a verified filing.

  • Cross-border deal volume 1.4US dollars, trillions Observed Global, Latest calendar year [7]

Comparable examples were limited. Only two firms have both filing or vendor data and a documented fee figure.

Assumptions behind these figures

  • Case examples are limited to two firms with usable data in the pack.

8Outlook and strategic implications

In the near term, the evidence points to continued high value with flat or slowly rising deal counts 810. Large transactions are likely to keep driving value. This is an interpretation based on the reported pattern, not a forecast from a source. No verified forecast for advisory fees was retrieved.

Uncertainties are large. Provider totals differ by up to about 1.6 trillion US dollars 78, so any forecast built on one provider's base is fragile. Quarterly fee swings show that results can change quickly 2.

Implications for stakeholders differ. Banks and boutiques should plan for lumpy fee income and watch the backlog 1. Buyers and sellers should expect competition for large mandates to be intense. Regulators and standard setters have no verified conduct evidence in this pack and should prioritize data on fees and conflicts. Data users should reconcile definitions before comparing providers.

No quantified forecast was included because none was verified in the pack.

Assumptions behind these figures

  • Scenarios are interpretations of reported trends, not forecasts from a verified source.

9Conclusion

Latest available data show strong recovery in reported M&A value, driven mainly by large deals, while deal counts moved far less. Advisory fee income is volatile. The most defensible takeaways are that reported totals depend heavily on the provider, that megadeals dominate value, and that the fee pool, conduct rules and technology effects remain unverified.

How this was built

This report uses only the verified source pack. Provider totals are shown as reported, and no figure was adjusted. Where the pack has no figure, the gap is stated in words.

Limits to keep in mind

  • Global M&A deal value differs across providers, from about 3.0 to 4.6 trillion US dollars, because definitions and inclusion rules differ.
  • No reconciled advisory fee pool for the latest period was retrieved.
  • No regulator publication on M&A advisory conduct, fee disclosure or conflicts was retrieved for a single jurisdiction.
  • Fee bands from unofficial advisory guides were excluded as unsupported.
  • No verified cost-to-income, margin or headcount data specific to M&A advisory was retrieved.
  • No verified data on technology adoption or automation was retrieved.

Sources

  1. 1

    Goldman Sachs Group Inc Form 10-K, latest full fiscal year

    Goldman Sachs Group Inc. (SEC filing) Company report

    sec.gov
  2. 2

    Goldman Sachs Form 8-K first quarter earnings results presentation

    Goldman Sachs Group Inc. (SEC filing) Company report

    sec.gov
  3. 3

    Goldman Sachs Form 10-Q second quarter Management's Discussion and Analysis

    Goldman Sachs Group Inc. (SEC filing) Company report

    sec.gov
  4. 4

    Goldman Sachs Group Form 10-Q third quarter Management's Discussion and Analysis

    Goldman Sachs Group Inc. (SEC filing) Company report

    sec.gov
  5. 5

    Goldman Sachs International Annual Report, latest year-end

    Goldman Sachs International (UK subsidiary) Company report

    goldmansachs.com
  6. 6

    Annual Global M&A Report (latest available year)

    PitchBook Market research

    pitchbook.com
  7. 7

    Global M&A Annual Review (latest available year)

    International Institute for the Study of Cross-Border Investment and M&A (XBMA) Industry association

    xbma.org
  8. 8

    Global M&A Market Review and Outlook (latest available)

    Boston Consulting Group Market research

    bcg.com
  9. 9

    M&A Report (latest available year)

    WilmerHale Market research

    wilmerhale.com
  10. 10

    Mergers and Acquisitions Statistics (latest available year)

    Acquisition Stars (secondary compilation citing LSEG) News report

    acquisitionstars.com
  11. 11

    Most Active M&A Investment Banks: Rankings, latest update

    Dealroom (blog, vendor-style ranking) Vendor report

    dealroom.net
  12. 12

    US Investment Banking M&A League Table (latest available period)

    CT Acquisitions (advisory firm guide) Vendor report

    ctacquisitions.com
  13. 13

    M&A Advisory Fee Estimator and Firmex Global M&A Fee Guide (latest guide period)

    Dealroom citing Firmex Global M&A Fee Guide Vendor report

    dealroom.net
  14. 14

    Latham & Watkins and Kirkland & Ellis lead latest global M&A legal rankings

    GlobalData (via Retail Banker International) Market research

    finance.yahoo.com
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