Company lists · Data verified August 2026

Top 25 Custom web development agencies based in Spain

Name: Custom web development agencies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 2,288 companies tracked

There are 2,288 custom web development agencies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 8,388 professional contacts across them, including 1,011 with verified work emails and 241 with mobile numbers. Barcelona is the largest hub.

This list covers custom web development agencies headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

2,288Companies

8,388Contacts tracked

1,011Verified emails

241Mobile numbers

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The 25 largest custom web development agencies based in Spain

Ranked by team size

Top 25 of 2,288 custom web development agencies based in Spain, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Appsur	Cordoba	51-200	113	1
2	Zoocha	Valencia	51-200	81	53
3	Kloc Technologies Shopify Plus Agency	Barcelona	51-200	81	24
4	1xinternet	Conil De La Frontera	51-200	69	42
5	Qualitapps	Barcelona	51-200	49	13
6	Admiral Studios	Valencia	51-200	47	1
7	Duacode	A Coruna	11-50	46	6
8	Your Inspiration WEB	Santa Cruz De Tenerife	11-50	40	14
9	Indianwebs	Barcelona	11-50	25	6
10	Nytelweb	Jerez De La Frontera	11-50	21	5
11	CAN Antaviana	Les Borges Blanques	11-50	18	5
12	Vsourz	Barcelona	201-500	17	11
13	Databot Technologies	Barcelona	11-50	17	5
14	Websdirect	Madrid	11-50	17	3
15	Pukkas	Barcelona	11-50	16	4
16	Atomic4	Barcelona	11-50	15	10
17	Proogresa Agencia DE Marketing, Diseño Y Desarrollo WEB	Terrassa	11-50	15	4
18	Socialonce Marketing&internet	Zaragoza	11-50	15	1
19	Legendsoft	Madrid	11-50	13	3
20	Buleboo Estudio	Madrid	11-50	12	3
21	Frikitek	Bilbao	11-50	12	2
22	Mowomo	Chiclana De La Frontera	11-50	11	7
23	ICON	Pontevedra	11-50	11	3
24	Esoft. Technologies & Consulting	Durango	11-50	11	2
25	Life At ONE Beyond - Spain	Madrid	201-500	10	1

Showing 25 of 2,288 custom web development agencies based in Spain

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Custom web development agencies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

BarcelonaLargest hub · 341 HQs

241Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

2,000

11-50

243

51-200

201-500

Custom web development agencies by metro

Metro	Companies
Custom web development agencies in Barcelona	341
Custom web development agencies in Madrid	311
Custom web development agencies in Valencia	102
Custom web development agencies in Malaga	46
Custom web development agencies in Sevilla	37
Custom web development agencies in Zaragoza	30
Custom web development agencies in Alicante	29

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “custom web development agencies”, with match quality audited by blind human judging, and headquartered in Spain.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many custom web development agencies are there based in Spain?

There are 2,288 custom web development agencies headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Appsur, headquartered in Cordoba, tops this list with the largest team on record.

Which city has the most custom web development agencies?

Barcelona leads with 341 headquartered companies, followed by Madrid (311) and Valencia (102).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,011 verified decision-maker contacts tracked across these 2,288 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.