Company lists · Data refreshed November 2026

Top 25 Office 365 developers worldwide

RevenueBase identified 2,600 company matches for office 365 developers worldwide as of November 2026 and tracks 24,827 professional contacts across them, including 8,843 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for office 365 developers 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 office 365 developers 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
2,600Companies
24,827Contacts tracked
8,843Verified emails
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The 25 largest office 365 developers worldwide

Ranked by team size
Top 25 of 2,600 company matches for office 365 developers 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 matchBolzano, NJ, ItalyHQ recorded Nov 6, 2026501-1,000493 contacts →

Exact match

“EOS Solutions is a group operating in the Information Technology sector with more than 560 collaborators spread over 13 offices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBellevue, AR, United StatesHQ recorded Nov 6, 2026501-1,000414 contacts →

Exact match

“Affirma is an award-winning full service technology services firm based out of Bellevue, WA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLijnden, United StatesHQ recorded Nov 6, 2026201-500344 contacts →

Exact match

“We empower people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500337 contacts →

Exact match

“We turn inspiration into execution, partnering with businesses to bring bold ideas to life through enterprise transformation powered by Microsoft technologies and AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,000310 contacts →

Exact match

“With extensive industry knowledge and experienced consultants, we deliver, develop and manage Microsoft 365 and Dynamics applications in a way that supports your way of working…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchArlington Heights, United StatesHQ recorded Nov 6, 2026501-1,000295 contacts →

Exact match

“Verinon Technology Solutions is a global full-service systems integration, managed services, and content/cloud migration company focused on Microsoft 365 technologies including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNeutral Bay, AustraliaHQ recorded Nov 6, 202651-200293 contacts →

Exact match

“SSW's Consulting Services have delivered best-of-breed Microsoft solutions for more than clients in 15 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSplit, CroatiaHQ recorded Nov 6, 2026n/a280 contacts →

Exact match

“For over 20 years, we have been collaborating with businesses across Europe to build custom digital solutions, including web platforms, back-office systems, integrations, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“Pleased to meet you, we are Ímpar!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-200218 contacts →

Exact match

“Meridian Solutions is a leading Cloud, Data & AI partner headquartered in India with operations across the Middle East, APAC, North America, and other global markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPune, IndiaHQ recorded Nov 6, 2026201-500185 contacts →

Exact match

“Zelite is a global enterprise solutions and full-service software development company headquartered in Pune, India, with subsidiaries in Kenya, UAE, and USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBangalore, CA, IndiaHQ recorded Nov 6, 202651-200182 contacts →

Exact match

“Aufait is a trusted software product engineering and digital transformation partner that empowers enterprises to transform ideas to commercially successful products and run highly…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200178 contacts →

Exact match

“We’re WM Reply and we create world-class intranets, collaboration platforms, and business solutions built on Microsoft SharePoint and Microsoft 365.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCarlsbad, CA, United StatesHQ recorded Nov 6, 202651-200172 contacts →

Exact match

“At AlphaBOLD, we believe that technology can help change lives for the better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“Over 2,500 satisfied customers are the proof.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“Engage Squared is on a mission to empower employees to enjoy work more - using Microsoft tools to make work more productive, collaborative and connected.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCoimbatore, IndiaHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“As a Microsoft Certified Partner, Kasadara provides Microsoft.NET and Dynamics 365 implementation services and industry-specific solutions to customers worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDetroit, MI, United StatesHQ recorded Nov 6, 2026n/a153 contacts →

Exact match

“Total Solutions is an energetic and innovative Microsoft 365, SharePoint Consulting and Application Development firm based in Metro Detroit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChicago, ON, United StatesHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“CONCETTO LABS is into Microsoft Development Services based in USA, UK, Norway, Saudi Arabia, Australia & INDIA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSandnes, NorwayHQ recorded Nov 6, 202651-200141 contacts →

Exact match

“We improve businesses and processes with the smart use of technology Enterprise software Custom software Mobile applications Microsoft 365 IT operations”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchOpfikon, SwitzerlandHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Bix Bytes Solutions is a privately held professional IT services company headquartered in Zurich, Switzerland with offices in Mangalore, India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Nuevo is established in 2012 as a softwarehouse.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCoppell, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Today's software can do most of the heavy lifting you need in today's business world and as a strong software partner our expertise on the leading technologies, will help…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchZoetermeer, NetherlandsHQ recorded Nov 6, 202611-50126 contacts →

Exact match

“JSR is de specialist op het gebied van Microsoft Office 365 en Project Online.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-200125 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 2,600 office 365 developers worldwide

See the full list, filter by size, metro and specialty, and access 8,843 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office 365 developers worldwide at a glance

As of Nov 6, 2026
35.6%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,549
11-50
809
51-200
182
201-500
34
501-1,000
7
1,001-5,000
4
10001+
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 office 365 developers are linked below.
What qualifies
Company records worldwide whose business descriptions match “office 365 developers” 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 8,843 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.

Office 365 developers by location

20 lists · largest first

Every Office 365 developers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “office 365 developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office 365 developers are there worldwide?

RevenueBase identified 2,600 company matches for office 365 developers 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?

EOS Solutions Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most office 365 developers?

The United States leads with 376 companies, followed by the United Kingdom (274) and India (213). Every office 365 developers list by country and city is linked on this page.

Which city has the most office 365 developers?

London leads with 70 company records, followed by Melbourne (29) and Sao Paulo (26).

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 8,843 professional contacts with verified work emails tracked across these 2,600 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.