Company lists · Data refreshed September 2026

Top 24 Lower middle market equity firms based in Spain

RevenueBase identified 114 company matches for lower middle market equity firms associated with Spain as of September 2026 and tracks 1,348 professional contacts across them, including 267 with verified work emails. Madrid is the largest hub.

This list covers company matches for lower middle market equity firms associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
114Companies
1,348Contacts tracked
267Verified emails
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The 24 largest lower middle market equity firms based in Spain

Ranked by team size
Top 24 of 114 company matches for lower middle market equity firms based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Sep 20, 2026201-500314 contacts →

Exact match

“AltamarCAM is a leading investment manager in private markets whose main objective is to provide institutional investors, including insurance companies, pension funds and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Sep 20, 202651-200139 contacts →

Exact match

“We are active in investment banking, asset management and direct investments.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchBarcelona, SpainHQ recorded Sep 20, 202611-50100 contacts →

Exact match

“Miura Partners is a purpose-driven private equity firm founded in 2008, with offices in Barcelona and Madrid.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchSan Sebastián, SpainHQ recorded Sep 20, 202611-5069 contacts →

Exact match

“Leading financial services firm focused on investment and wealth management solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Sep 20, 202611-5062 contacts →

Exact match

“Tresmares Capital is a growth-focused alternative asset manager currently operating in Spain, the UK and Portugal, with c.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Sep 20, 202611-5044 contacts →

Exact match

“Sherpa Capital, with over 14 years of experience, is the leading private equity firm in Iberia.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Sep 20, 202611-5033 contacts →

Exact match

“Redefinimos la inversión a largo plazo.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBilbao, SpainHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“Talde Private Equity es una gestora de Capital Privado que invierte fundamentalmente en Pequeñas y Medianas Empresas españolas a las que apoyamos en el diseño y ejecución de…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Sep 20, 202611-5026 contacts →

Exact match

“Oquendo provides flexible capital solutions targeted at performing Iberian and French mid-market companies in the context of acquisitions, growth or shareholder reorganizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBarcelona, SpainHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“Altria Corpo, with offices in Barcelona and Madrid, is made up of professionals with more than 25 years of experience in corporate banking, investment banking, commercial banking…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“Corpfin Capital is an independent private equity fund management company with +30 years of experience in the mid-market segment in Spain.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Sep 20, 20261-1020 contacts →

Exact match

“LEVERAGING OPERATING PERFORMANCE & INTERNATIONAL EXPANSION Nexxus Iberia Fund I plans to invest in 8 to 10 small to medium sized companies in Spain and generate compelling returns…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchBilbao, SpainHQ recorded Sep 20, 20261-1018 contacts →

Exact match

“Mirai Investments es un proyecto de inversión especializado en el desarrollo industrial sostenible.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchMadrid, SpainHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“JB46 Partners is a microcap private equity investment firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchBilbao-bilbo, SpainHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“ABE Capital Partners is a private equity fund manager targeting long-term equity investments in Small and Mid-Enterprises (“SMEs”) with growth potential.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchDonostia-san Sebastián, SpainHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Stellum Capital es una gestora independiente de Capital Privado con diversos fondos bajo gestión, que invierten en empresas a las que dan soporte en el diseño y ejecución de sus…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchPamplona, SpainHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Clave es COMPROMISO Impulsamos proyectos innovadores y pymes industriales, a través de inversiones o de la inmersión en el proceso de creación de valor de la empresa.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchSantiago De Compostela, SpainHQ recorded Sep 20, 202611-5011 contacts →

Exact match

“XesGalicia is a Galician Venture Capital Management firm in which Galician Institute for Economic Promotion (IGAPE) has a 100% participation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBarcelona, SpainHQ recorded Sep 20, 20261-1010 contacts →

Exact match

“Somos un grupo inversor orientado a dinamizar el crecimiento de los negocios en el segmento de la pequeña y mediana empresa.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchBarcelona, SpainHQ recorded Sep 20, 20261-108 contacts →

Exact match

“FANDIS nace en julio de 2022 como vehículo de inversión de un grupo de amigos de diferentes sectores.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBarcelona, SpainHQ recorded Sep 20, 20261-108 contacts →

Exact match

“We make active Investments in exceptional Small and Medium Enterprises with a collaborative approach, and advise clients with the same mindset and commitment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Sep 20, 202611-507 contacts →

Exact match

“We are a firm that invests in leading Spanish mid-sized companies, and actively helps them execute their investment plans.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBilbao, SpainHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Kaizaharra Corporación Empresarial (KCE) is a business corporation with headquarters in Bilbao and participation in different companies, including Aernnova, an aeronautical…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Adapta Capital invierte en pequeñas y medianas empresas en España y Portugal.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 24 of 114 lower middle market equity firms based in Spain

See the full list, filter by size, metro and specialty, and access 267 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lower middle market equity firms based in Spain at a glance

As of Sep 20, 2026
19.8%Verified-email coverage
11.8Average contacts per company
1-10Median size (employees)
48.2%Largest-city concentration · Madrid
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
77
11-50
32
51-200
4
201-500
1

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 114 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Spain whose business descriptions match “lower middle market equity firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 267 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “lower middle market equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lower middle market equity firms are there based in Spain?

RevenueBase identified 114 company matches for lower middle market equity firms associated with Spain as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Altamarcam Partners tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most lower middle market equity firms?

Madrid leads with 55 company records, followed by Barcelona (25) and Bilbao (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 267 professional contacts with verified work emails tracked across these 114 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.