Company lists · Data refreshed November 2026

Top 25 Customer portal development agencies worldwide

RevenueBase identified 1,211 company matches for customer portal development agencies worldwide as of November 2026 and tracks 8,132 professional contacts across them, including 1,318 with verified work emails. India is the largest market and Delhi the largest hub.

This list covers company matches for customer portal development agencies worldwide, 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 November 6, 2026. Country and city lists for customer portal development agencies follow the table.

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 Nov 6, 2026 How this list was built
1,211Companies
8,132Contacts tracked
1,318Verified emails
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The 25 largest customer portal development agencies worldwide

Ranked by team size
Top 25 of 1,211 company matches for customer portal development agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPraha 7, Czech RepublicHQ recorded Nov 6, 202651-200199 contacts →

Exact match

“Etnetera Core is one of the leading players in custom web application and portal development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026201-500105 contacts →

Exact match

“Located in Atlanta, Georgia, Commerce Pundit is a Web Service Agency specialized in Design & Development, eCommerce Solutions, Inbound Marketing, and Marketplace Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSari, IranHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“شرکت دُرنیکا از سال ۱۳۸۷ با هدف توانمندسازی کسبوکارها از طریق فناوری اطلاعات، فعالیت خود را آغاز کرد.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Founded in 2007, the main goal of PortalGrup is to be ahead of the sector in the area of management of web sites and web portals within the rapidly changing world of internet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchKyiv, UkraineHQ recorded Nov 6, 202611-5097 contacts →

Exact match

“DevOut Labs extends digital agencies’ development capabilities at a fixed price, with profitable margins to drive scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“We specialize in co-creating personalized digital solutions, covering Institutional Portals, Applications, and Platforms, with a service that fully encompasses the product…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchArezzo, ItalyHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Sintra Consulting is an Italian web agency, a business project created by Michele Barbagli and Gianni Bianchi.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAmritsar, IndiaHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“NetWeb Technologies offering websites, portals, e-commerce and online marketing services across industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDelhi, IndiaHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Web Development Company Delhi India Website Designing Delhi India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChernivtsi, UkraineHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Digital agency "AlterEGO" is an international company that provides digital marketing services since 2008.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZirakpur, IndiaHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“InStep Technologies is specialists in empowering people, processes, and technology, by building functional software from inception to launch.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Nexevo Technologies is a Professional web designing and web development company bangalore, which is offers a full facility for designing a website at a reasonable price.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTel Aviv, IsraelHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Established in 2009, IdeoDigital (formerly Ideomobile) specializes in the design and implementation of digital self-service solutions, which enable users to increase their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBrno, Czech RepublicHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Jsme digitální agentura PUXdesign z Brna Navrhujeme a stavíme webová řešení, e-shopy, zákaznické portály na míru a staráme se také o marketing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGhent, CA, BelgiumHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Scalable, extensible and AI-ready developer portals designed to optimize B2B capability discovery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKoudekerk Aan Den Rijn, NetherlandsHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Wij zijn Aviva Solutions en brengen jouw business dichter bij je klanten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCoimbatore, IndiaHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Business Portal Solutions from AppsComp helps organizations connect the missing dots right from Inquiry to Shipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Consultoría Tecnológica especializada en tres áreas- Portales web 2.0, blogs, Social Media, SEO / SEM, webs corporativas, extranets de clientes/proveedores, aplicaciones web…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWarsaw, PolandHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Jesteśmy studiem developerskim dla kreatywnych.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKakkanad, IndiaHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Nesote Technologies (P) Ltd mainly targets on software development services for various business domains.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchŠenčur, SloveniaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“At Creatim, we turn innovative ideas into outstanding digital products that fuel business growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDarmstadt, GermanyHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“ion2s ist eine Digitalmanufaktur aus Darmstadt im Herzen des Rhein-Main-Gebiets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHaarlem, NetherlandsHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Apps, Portals and software architecture solutions Our software will boost your company into the 21st century.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIndiaHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Planet E-Com Solutions (PECS) is an ISO 9001 & Microsoft certified outsourcing web development company with 12 years of experience and having its offices in India (Delhi & Mumbai)…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPraha 7, Czech RepublicHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Onlio is provider of complex services for portal solutions including system integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,211 customer portal development agencies worldwide

See the full list, filter by size, metro and specialty, and access 1,318 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer portal development agencies worldwide at a glance

As of Nov 6, 2026
16.2%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · Delhi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
731
11-50
382
51-200
77
201-500
8
501-1,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for customer portal development agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “customer portal development agencies” 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. 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 1,318 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 November 6, 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.

Customer portal development agencies by location

8 lists · largest first

Every Customer portal development agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “customer portal development agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer portal development agencies are there worldwide?

RevenueBase identified 1,211 company matches for customer portal development agencies worldwide as of November 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?

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

Which country has the most customer portal development agencies?

India leads with 226 companies, followed by the United States (95) and the United Kingdom (58). Every customer portal development agencies list by country and city is linked on this page.

Which city has the most customer portal development agencies?

Delhi leads with 17 company records, followed by Noida (17) and Mumbai (16).

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 1,318 professional contacts with verified work emails tracked across these 1,211 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 November 6, 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.