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Practice × location ranking

Best Corporate & M&A law firms in Spain

Grouped into editorial tiers — words, never scores. No paid placement and no numeric rank; within a tier the order rotates monthly and carries no meaning.

Last verified 23 Jul 2026 · Next review by 23 Aug 2026 · Change log

›Direct answer & research summary

Sartori & Partners applies a weighted methodology combining the opinions of practising lawyers — more than 10,000 lawyers interviewed — with monthly market surveys. As of July 2026, the best Corporate & M&A law firms in Spain are: Cuatrecasas, Uría Menéndez, RocaJunyent, Latham & Watkins, Osborne Clarke, Davis Polk & Wardwell, Gibson Dunn & Crutcher.

01 — The ranking

The Spain Corporate & M&A board

A tier on this Spain Corporate & M&A board names relative firm standing in words. Placement speaks to M&A, private equity and corporate advisory presence from Madrid and Barcelona through the regional hubs; order inside each band carries no hierarchy and is not a score.

SPAIN × CORPORATE & M&A7 FIRMS · NO SCORESREV. 2026-07
REFFIRMSPAIN CORPORATE & M&A BANDSIGNAL
TIER 1 — MARKET LEADERS2 FIRMS

The top editorial band for the best Corporate & M&A law firms in Spain: firms that set the tone for M&A and corporate advisory at scale in Spain. Within-tier sequence rotates and is not a ranking.

T1·01 Cuatrecasas50–99 attorneys mapped · major local depth 50–99 ATTORNEYS FLAT → EVID ↓
T1·02 Uría Menéndez50–99 attorneys mapped · major local depth 50–99 ATTORNEYS FLAT → EVID ↓
TIER 2 — HIGHLY ACTIVE1 FIRMS

Highly active on the Spain Corporate & M&A board means consistent transaction presence and peer recognition short of the leader set. No numeric score is assigned.

T2·01 RocaJunyent25–49 attorneys mapped · major local depth 25–49 ATTORNEYS FLAT → EVID ↓
TIER 3 — ESTABLISHED2 FIRMS

This band covers firms with solid Corporate & M&A standing and mapped benches in Spain, without the intensity of the tiers above. Within-tier order is deliberately flat.

T3·01 Latham & Watkins25–49 attorneys mapped · major local depth 25–49 ATTORNEYS FLAT → EVID ↓
T3·02 Osborne Clarke25–49 attorneys mapped · major local depth 25–49 ATTORNEYS FLAT → EVID ↓
NOTABLE — NOTABLE IN THIS FIELD2 FIRMS · OUTSIDE THE TIERS

Notable in this field marks verified Corporate & M&A presence in Spain below full tier depth — specialist or thinner benches kept visible on purpose, not scored into the main bands.

N·01 Davis Polk & Wardwell1–4 attorneys mapped · thin local depth 1–4 ATTORNEYS FLAT → EVID ↓
N·02 Gibson Dunn & Crutcher5–9 attorneys mapped · thin local depth 5–9 ATTORNEYS FLAT → EVID ↓

All counts are shown as bands, never precise headcounts. Notable firms sit outside the tiers by design: verified minimal presence, not assessed at full tier depth.

Hiring in Spain?

We map this market every day.

The evidence behind these tiers is the same intelligence we use to run retained searches for partners, groups and senior associates.

02 — Evidence, methodology & sources why each firm · how tiers are set · sources · change log · verified 23 Jul 2026 · next review 23 Aug 2026

Firm evidence

Tier 1 — Market leaders Open firm profile →

Cuatrecasas

Cuatrecasas is placed in market leaders for Corporate & M&A in Spain. Public mapping (banded): 50–99 attorneys, major local depth, ≈50 partners · 5 counsel · 30+ associates. Evidence gates — office (G1) PASS, local practice (G2) PASS, recent signal (G3) PASS. The placement carries no numeric score.

Strongest mapped work

TaxCorporate & M&ALitigation & Disputes

Public hiring signal

Hiring signal: FLAT — no public hiring change detected in the mapping window.

Limits of this assessment

  • —A tier is Sartori’s editorial opinion, not a fact about the firm or a client-satisfaction measure.
  • —Facts are mapped from public sources and shown as bands; they lag reality by weeks or months.
  • —No third-party legal-directory band is used as an input.

Sources for this entry

Methodology

How tiers are assigned

Deterministic public-footprint core (local depth, practice share, seniority mix, public hiring momentum), computed relative to this market's own distribution. Tier placement is derived from this public mapped data; a per-firm public-source ledger is compiled for firms in the annual research pass and applies to those firms' factual claims, not to tier membership. No third-party legal-directory bands are used as an input.

Market scope

5–9 firms earn a tier in Spain within this scope (banded).

Disclosures

Firm names used nominatively (factual). All counts shown as bands, never precise headcounts. No firm logos. Report an error via the site contact form.

Sources & change log

  1. 1 Cuatrecasas officesfirm_website · G1 · 2026-07-21
  2. 2 Law firm in Madrid | Cuatrecasasfirm_website · G1 · 2026-07-21
  3. 3 Law firm in Barcelona | Cuatrecasasfirm_website · G1 · 2026-07-21
  4. 4 Law firm in Bilbao, Spain | Cuatrecasasfirm_website · G1 · 2026-07-21
  5. 5 Law firm in Seville, Spain | Cuatrecasasfirm_website · G1 · 2026-07-21
  6. 6 Law firm in Valencia, Spain | Cuatrecasasfirm_website · G1 · 2026-07-21
  7. 7 Law firm in Madrid | Cuatrecasasfirm_website · G2 · 2026-07-21
  8. 8 Law firm in Barcelona | Cuatrecasasfirm_website · G2 · 2026-07-21
  9. 9 Law firm in Bilbao, Spain | Cuatrecasasfirm_website · G2 · 2026-07-21
  10. 10 Law firm in Seville, Spain | Cuatrecasasfirm_website · G2 · 2026-07-21
  11. 11 Law firm in Valencia, Spain | Cuatrecasasfirm_website · G2 · 2026-07-21
  12. 12 Vicinay Marine secures court-approved restructuring planfirm_website · G3 · 2026-07-21
  13. 13 Persán continues international expansion with Mibelle acquisitionfirm_website · G3 · 2026-07-21
  14. 14 Abogados Madrid | Uría Menéndezfirm_website · G1 · 2026-07-22
  15. 15 Abogados Barcelona | Uría Menéndezfirm_website · G1 · 2026-07-22
  16. 16 Abogados Valencia | Uría Menéndezfirm_website · G1 · 2026-07-22
  17. 17 Abogados Bilbao | Uría Menéndezfirm_website · G1 · 2026-07-22
  18. 18 Lawyers Madrid | Uría Menéndezfirm_website · G2 · 2026-07-22
  19. 19 Rafael García Llaneza - Abogados | Uría Menéndezfirm_website · G2 · 2026-07-22
  20. 20 Lawyers Barcelona | Uría Menéndezfirm_website · G2 · 2026-07-22
  21. 21 Lawyers Valencia | Uría Menéndezfirm_website · G2 · 2026-07-22
  22. 22 Irantzu Irastorza Martínez - Abogados | Uría Menéndezfirm_website · G2 · 2026-07-22
  23. 23 Uría Menéndez — Spain news & announcementsfirm_website · G3 · 2026-07-22
  24. 24 Our officesfirm_website · G1 · 2026-07-21
  25. 25 Barcelonafirm_website · G1 · 2026-07-21
  26. 26 Our officesfirm_website · G1 · 2026-07-21
  27. 27 Madridfirm_website · G1 · 2026-07-21
  28. 28 Our officesfirm_website · G1 · 2026-07-21
  29. 29 Gironafirm_website · G1 · 2026-07-21
  30. 30 RocaJunyent strengthens its Tax Law team with the incorporation of Imma Ferrés in Gironafirm_website · G2 · 2026-07-21
  31. 31 Adjudicada la Unidad Productiva de Blanes de Domo Polymer Solutions Spain a EPOCH Biodesign Ltd. tras subasta concursalfirm_website · G3 · 2026-07-21
  32. 32 Joan Roca y Sánchez Llibre subrayan el potencial de Girona para atraer inversión empresarial y talentofirm_website · G3 · 2026-07-21
  33. 33 Our Locations - Osborne Clarke - International Law Firmfirm_website · G1 · 2026-07-21
  34. 34 Our Locations - Osborne Clarke - International Law Firmfirm_website · G1 · 2026-07-21
  35. 35 Barcelona - Osborne Clarke - International Law Firmfirm_website · G2 · 2026-07-21
  36. 36 Madrid - Osborne Clarke - International Law Firmfirm_website · G2 · 2026-07-21
  37. 37 Osborne Clarke — Spain news & announcementsfirm_website · G3 · 2026-07-21
23 Jul 2026 Scope-aware market-relative core assembled.
23 Jul 2026 37 verified source(s) ingested for the researched firms; tier placement is Titan-derived so unresearched visible firms do not block approval → APPROVED (auto).
Report an error in this ranking →

04 — Questions

About this ranking

Who are the best Corporate & M&A law firms in Spain?

Who leads Corporate & M&A in Spain? As of July 2026, Market leaders are Cuatrecasas, Uría Menéndez. Sartori does not name a single number-one firm; the gap inside Tier 1 is treated as unmeasurable, and the wider board of 7 firms uses worded tiers only.

Is Cuatrecasas the best Corporate & M&A law firm in Spain?

Cuatrecasas sits in Tier 1 — Market leaders — of Sartori's Spain Corporate & M&A board as of July 2026, alongside Uría Menéndez. Sartori does not name a single #1: the gap between Tier 1 firms is genuinely unmeasurable, and a numeric score would be false precision.

Which firms have the biggest Corporate & M&A benches in Spain?

By mapped Spain bench, the largest firms on this board are Cuatrecasas, Uría Menéndez (50–99 mapped lawyers each), followed by RocaJunyent, Latham & Watkins, Osborne Clarke (25–49). All counts are bands, never precise headcounts.

Which Corporate & M&A teams are hiring in Spain?

As of July 2026, no firm on this board shows a public hiring signal in the mapping window. Live Spain mandates are listed on Sartori's jobs board.

What is a Tier 1 law firm?

In Sartori's rankings, Tier 1 — Market leaders — is an editorial judgement expressed in words, never a score: the firms whose Spain bench depth, seniority mix and market standing set the reference point for the market. As of July 2026 that is Cuatrecasas, Uría Menéndez. Within the tier no firm outranks another.

Which are the best law firms in Spain overall?

Sartori's overall Spain board groups 14 firms into editorial tiers; as of July 2026 its Tier 1 is Cuatrecasas, Uría Menéndez. See /firms/in/spain/.

See the ranking →

This ranking is compiled independently by Sartori from public sources. Tiers are Sartori’s editorial opinion, expressed without numeric scores; firms are named for identification only, no logos are reproduced, and no firm has paid for or approved its placement. No third-party legal-directory band is used as an input. Nothing here is legal advice or a recommendation to instruct counsel.