Company lists · Data refreshed November 2026
Top 25 Oil and gas tax services worldwide
RevenueBase identified 5,265 company matches for oil and gas tax services worldwide as of November 2026 and tracks 118,247 professional contacts across them, including 22,222 with verified work emails. Germany is the largest market and Sao Paulo the largest hub.
This list covers company matches for oil and gas tax services 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 4, 2026. Country and city lists for oil and gas tax services 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.
The 25 largest oil and gas tax services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 64,430 contacts → | ||||
Exact match “H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 2 | 6,580 contacts → | ||||
Exact match “Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 2,249 contacts → | ||||
Exact match “Sinopec International Petroleum Service Corporation SSC” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 2,211 contacts → | ||||
Exact match “A traditional general practice, with a twist.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 984 contacts → | ||||
Exact match “Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 905 contacts → | ||||
Exact match “WTS ist ein globaler Full-Service Anbieter für Steuerberatungsleistungen und Financial & Deal Advisory.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 740 contacts → | ||||
Exact match “Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 505 contacts → | ||||
Exact match “Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 386 contacts → | ||||
Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 351 contacts → | ||||
Exact match “Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 320 contacts → | ||||
Exact match “Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 316 contacts → | ||||
Exact match “For more than 30 years we have been a reliable partner in the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 307 contacts → | ||||
Exact match “TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 294 contacts → | ||||
Exact match “GTM is a leading provider of corporate tax services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 258 contacts → | ||||
Exact match “We are a high-end independent advisory firm offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 251 contacts → | ||||
Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 242 contacts → | ||||
Exact match “KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 234 contacts → | ||||
Exact match “In operation since 1978, KE Andrews is one of the largest state and local tax firms in the country, managing over $500 billion in assets.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 223 contacts → | ||||
Exact match “TITIAN focus on providing highest quality products and services related with Turn Around (Shutdown), Well Services (stimulation chemicals, fracturing, and coil tubing), and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 219 contacts → | ||||
Exact match “Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 206 contacts → | ||||
Exact match “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 199 contacts → | ||||
Exact match “KPMG in Azerbaijan is a professional firm which provides Audit, Tax and Advisory services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 188 contacts → | ||||
Exact match “Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 183 contacts → | ||||
Exact match “Somos SMS Buenos Aires, firma especializada en servicios de auditoría, asesoramiento fiscal y consultoría para empresas, con presencia internacional.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 171 contacts → | ||||
Exact match “Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “oil and gas tax services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 5,265 oil and gas tax services worldwide
See the full list, filter by size, metro and specialty, and access 22,222 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas tax services worldwide at a glance
As of Nov 4, 2026Companies by employee count
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 oil and gas tax services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “oil and gas tax services” 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 22,222 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 4, 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.
Oil and gas tax services by location
25 lists · largest firstEvery Oil and gas tax services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil and gas tax services based in Germany1,218
- Oil and gas tax services based in the United States940
- Oil and gas tax services based in Brazil372
- Oil and gas tax services based in India242
- Oil and gas tax services based in the United Kingdom187
- Oil and gas tax services based in the Netherlands121
- Oil and gas tax services based in Australia110
- Oil and gas tax services based in Canada102
- Oil and gas tax services based in Austria101
- Oil and gas tax services based in Indonesia96
- Oil and gas tax services based in Italy80
- Oil and gas tax services based in the United Arab Emirates79
- Oil and gas tax services based in Spain68
- Oil and gas tax services based in Poland67
- Oil and gas tax services based in Mexico64
- Oil and gas tax services based in South Africa46
- Oil and gas tax services based in Argentina37
- Oil and gas tax services based in Switzerland32
- Oil and gas tax services based in Chile25
Cities
- Oil and gas tax services based in Sao Paulo, Brazil75
- Oil and gas tax services based in Berlin, Germany65
- Oil and gas tax services based in Houston, United States63
- Oil and gas tax services based in Munich, Germany60
- Oil and gas tax services based in London, United Kingdom59
- Oil and gas tax services based in Hamburg, Germany42
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 “oil and gas tax services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas tax services are there worldwide?
RevenueBase identified 5,265 company matches for oil and gas tax services 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?
H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most oil and gas tax services?
Germany leads with 1,218 companies, followed by the United States (940) and Brazil (372). Every oil and gas tax services list by country and city is linked on this page.
Which city has the most oil and gas tax services?
Sao Paulo leads with 75 company records, followed by Berlin (66) and Houston (63).
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 22,222 professional contacts with verified work emails tracked across these 5,265 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,265 oil and gas tax services worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 oil and gas tax services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,265 matching company records for oil and gas tax services worldwide, with 118,247 tracked contacts and 22,222 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil and gas tax services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  H&r Blockhrblock.comHQ: Kansas City, MO, United StatesReported employees: 10001+ | Kansas City, MO, United States | 10001+ | Exact match | 64,430 contacts → |
“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RYANryan.comHQ: Dallas, CT, United StatesReported employees: 5,001-10,000 | Dallas, CT, United States | 5,001-10,000 | Exact match | 6,580 contacts → |
“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sinopec International Petroleum Service Corporationssc.sinopec.com HQ: 北京市, ChinaReported employees: 10001+ | 北京市, China | 10001+ | Exact match | 2,249 contacts → |
“Sinopec International Petroleum Service Corporation SSC” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TAX Consultantwearegalloways.comHQ: Brighton, United KingdomReported employees: Not recorded | Brighton, United Kingdom | Not recorded | Exact match | 2,211 contacts → |
“A traditional general practice, with a twist.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  DMAdmainc.comHQ: Fort Wayne, OH, United StatesReported employees: 501-1,000 | Fort Wayne, OH, United States | 501-1,000 | Exact match | 984 contacts → |
“Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  WTS Deutschlandwts.comHQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 905 contacts → |
“WTS ist ein globaler Full-Service Anbieter für Steuerberatungsleistungen und Financial & Deal Advisory.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Chevezchevez.comHQ: Mexico City, MexicoReported employees: 501-1,000 | Mexico City, Mexico | 501-1,000 | Exact match | 740 contacts → |
“Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Smith Howardsmith-howard.comHQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 505 contacts → |
“Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cohesivecohesivesolutions.comHQ: Exton, GA, United StatesReported employees: 501-1,000 | Exton, GA, United States | 501-1,000 | Exact match | 386 contacts → |
“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ecovis Deutschlandecovis.comHQ: Berlin, GermanyReported employees: 1,001-5,000 | Berlin, Germany | 1,001-5,000 | Exact match | 351 contacts → |
“Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Felix Advisory Private Limitedfelixadvisory.comHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 320 contacts → |
“Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Clear Petroleumclear.com.arHQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 316 contacts → |
“For more than 30 years we have been a reliable partner in the oil and gas industry.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Taxprimetaxprime.netHQ: Jakarta Selatan, IndonesiaReported employees: 201-500 | Jakarta Selatan, Indonesia | 201-500 | Exact match | 307 contacts → |
“TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GTM Global TAX Managementgtmtax.com HQ: Wayne, OH, United StatesReported employees: 201-500 | Wayne, OH, United States | 201-500 | Exact match | 294 contacts → |
“GTM is a leading provider of corporate tax services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Atoz TAX Advisersatoz.luHQ: Senningerberg, LuxembourgReported employees: 51-200 | Senningerberg, Luxembourg | 51-200 | Exact match | 258 contacts → |
“We are a high-end independent advisory firm offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mayataxmayatax.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 251 contacts → |
“Growth exposes financial weakness.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kpmg Acor TAXkpmgacor.dkHQ: 2900 Hellerup, DenmarkReported employees: 201-500 | 2900 Hellerup, Denmark | 201-500 | Exact match | 242 contacts → |
“KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  KE Andrewskeatax.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 234 contacts → |
“In operation since 1978, KE Andrews is one of the largest state and local tax firms in the country, managing over $500 billion in assets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Titiantitianservices.comHQ: South Jakarta, IndonesiaReported employees: 51-200 | South Jakarta, Indonesia | 51-200 | Exact match | 223 contacts → |
“TITIAN focus on providing highest quality products and services related with Turn Around (Shutdown), Well Services (stimulation chemicals, fracturing, and coil tubing), and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Arsene Taxandarsene-taxand.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 219 contacts → |
“Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 206 contacts → |
“Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kpmg Azerbaijankpmg.az HQ: Baku, AzerbaijanReported employees: 51-200 | Baku, Azerbaijan | 51-200 | Exact match | 199 contacts → |
“KPMG in Azerbaijan is a professional firm which provides Audit, Tax and Advisory services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Techno Canada INCt-c-i.caHQ: Edmonton, CanadaReported employees: 201-500 | Edmonton, Canada | 201-500 | Exact match | 188 contacts → |
“Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  SMS Buenos Airessms.com.arHQ: Buenos Aires, ArgentinaReported employees: 51-200 | Buenos Aires, Argentina | 51-200 | Exact match | 183 contacts → |
“Somos SMS Buenos Aires, firma especializada en servicios de auditoría, asesoramiento fiscal y consultoría para empresas, con presencia internacional.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 171 contacts → |
“Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,265 company matches
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Oil and gas tax services: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,090 records in the displayed employee bands.
175 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,265 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil and gas tax services by location
25 lists · largest firstEvery Oil and gas tax services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil and gas tax services based in Germany1,218
- Oil and gas tax services based in the United States940
- Oil and gas tax services based in Brazil372
- Oil and gas tax services based in India242
- Oil and gas tax services based in the United Kingdom187
- Oil and gas tax services based in the Netherlands121
- Oil and gas tax services based in Australia110
- Oil and gas tax services based in Canada102
- Oil and gas tax services based in Austria101
- Oil and gas tax services based in Indonesia96
- Oil and gas tax services based in Italy80
- Oil and gas tax services based in the United Arab Emirates79
- Oil and gas tax services based in Spain68
- Oil and gas tax services based in Poland67
- Oil and gas tax services based in Mexico64
- Oil and gas tax services based in South Africa46
- Oil and gas tax services based in Argentina37
- Oil and gas tax services based in Switzerland32
- Oil and gas tax services based in Chile25
Cities
- Oil and gas tax services based in Sao Paulo, Brazil75
- Oil and gas tax services based in Berlin, Germany65
- Oil and gas tax services based in Houston, United States63
- Oil and gas tax services based in Munich, Germany60
- Oil and gas tax services based in London, United Kingdom59
- Oil and gas tax services based in Hamburg, Germany42
Questions about this company list
What does Exact match mean for oil and gas tax services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil and gas tax services did RevenueBase find worldwide?
The saved snapshot records 5,265 matching company records, 118,247 tracked contacts and 22,222 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil and gas tax services worldwide. Snapshot: November 4, 2026. https://revenuebase.ai/companies/browse/oil-and-gas-tax-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 oil and gas tax services worldwide
RevenueBase records 5,265 matching company records for oil and gas tax services worldwide, with 118,247 tracked contacts and 22,222 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil and gas tax services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | H&r Blockhrblock.com HQ: Kansas City, MO, United StatesReported employees: 10001+ | Kansas City, MO, United States | 10001+ | Exact match | 64,430 contacts → |
“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RYANryan.com HQ: Dallas, CT, United StatesReported employees: 5,001-10,000 | Dallas, CT, United States | 5,001-10,000 | Exact match | 6,580 contacts → |
“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sinopec International Petroleum Service Corporationssc.sinopec.com HQ: 北京市, ChinaReported employees: 10001+ | 北京市, China | 10001+ | Exact match | 2,249 contacts → |
“Sinopec International Petroleum Service Corporation SSC” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TAX Consultantwearegalloways.com HQ: Brighton, United KingdomReported employees: Not recorded | Brighton, United Kingdom | Not recorded | Exact match | 2,211 contacts → |
“A traditional general practice, with a twist.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | DMAdmainc.com HQ: Fort Wayne, OH, United StatesReported employees: 501-1,000 | Fort Wayne, OH, United States | 501-1,000 | Exact match | 984 contacts → |
“Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | WTS Deutschlandwts.com HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 905 contacts → |
“WTS ist ein globaler Full-Service Anbieter für Steuerberatungsleistungen und Financial & Deal Advisory.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Chevezchevez.com HQ: Mexico City, MexicoReported employees: 501-1,000 | Mexico City, Mexico | 501-1,000 | Exact match | 740 contacts → |
“Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Smith Howardsmith-howard.com HQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 505 contacts → |
“Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cohesivecohesivesolutions.com HQ: Exton, GA, United StatesReported employees: 501-1,000 | Exton, GA, United States | 501-1,000 | Exact match | 386 contacts → |
“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ecovis Deutschlandecovis.com HQ: Berlin, GermanyReported employees: 1,001-5,000 | Berlin, Germany | 1,001-5,000 | Exact match | 351 contacts → |
“Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Felix Advisory Private Limitedfelixadvisory.com HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 320 contacts → |
“Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Clear Petroleumclear.com.ar HQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 316 contacts → |
“For more than 30 years we have been a reliable partner in the oil and gas industry.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Taxprimetaxprime.net HQ: Jakarta Selatan, IndonesiaReported employees: 201-500 | Jakarta Selatan, Indonesia | 201-500 | Exact match | 307 contacts → |
“TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GTM Global TAX Managementgtmtax.com HQ: Wayne, OH, United StatesReported employees: 201-500 | Wayne, OH, United States | 201-500 | Exact match | 294 contacts → |
“GTM is a leading provider of corporate tax services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Atoz TAX Advisersatoz.lu HQ: Senningerberg, LuxembourgReported employees: 51-200 | Senningerberg, Luxembourg | 51-200 | Exact match | 258 contacts → |
“We are a high-end independent advisory firm offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mayataxmayatax.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 251 contacts → |
“Growth exposes financial weakness.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kpmg Acor TAXkpmgacor.dk HQ: 2900 Hellerup, DenmarkReported employees: 201-500 | 2900 Hellerup, Denmark | 201-500 | Exact match | 242 contacts → |
“KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | KE Andrewskeatax.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 234 contacts → |
“In operation since 1978, KE Andrews is one of the largest state and local tax firms in the country, managing over $500 billion in assets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Titiantitianservices.com HQ: South Jakarta, IndonesiaReported employees: 51-200 | South Jakarta, Indonesia | 51-200 | Exact match | 223 contacts → |
“TITIAN focus on providing highest quality products and services related with Turn Around (Shutdown), Well Services (stimulation chemicals, fracturing, and coil tubing), and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Arsene Taxandarsene-taxand.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 219 contacts → |
“Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 206 contacts → |
“Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kpmg Azerbaijankpmg.az HQ: Baku, AzerbaijanReported employees: 51-200 | Baku, Azerbaijan | 51-200 | Exact match | 199 contacts → |
“KPMG in Azerbaijan is a professional firm which provides Audit, Tax and Advisory services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Techno Canada INCt-c-i.ca HQ: Edmonton, CanadaReported employees: 201-500 | Edmonton, Canada | 201-500 | Exact match | 188 contacts → |
“Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SMS Buenos Airessms.com.ar HQ: Buenos Aires, ArgentinaReported employees: 51-200 | Buenos Aires, Argentina | 51-200 | Exact match | 183 contacts → |
“Somos SMS Buenos Aires, firma especializada en servicios de auditoría, asesoramiento fiscal y consultoría para empresas, con presencia internacional.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 171 contacts → |
“Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,265 company matches
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Oil and gas tax services: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,090 records in the displayed employee bands.
175 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,265 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil and gas tax services by location
25 lists · largest firstEvery Oil and gas tax services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil and gas tax services based in Germany1,218
- Oil and gas tax services based in the United States940
- Oil and gas tax services based in Brazil372
- Oil and gas tax services based in India242
- Oil and gas tax services based in the United Kingdom187
- Oil and gas tax services based in the Netherlands121
- Oil and gas tax services based in Australia110
- Oil and gas tax services based in Canada102
- Oil and gas tax services based in Austria101
- Oil and gas tax services based in Indonesia96
- Oil and gas tax services based in Italy80
- Oil and gas tax services based in the United Arab Emirates79
- Oil and gas tax services based in Spain68
- Oil and gas tax services based in Poland67
- Oil and gas tax services based in Mexico64
- Oil and gas tax services based in South Africa46
- Oil and gas tax services based in Argentina37
- Oil and gas tax services based in Switzerland32
- Oil and gas tax services based in Chile25
Cities
- Oil and gas tax services based in Sao Paulo, Brazil75
- Oil and gas tax services based in Berlin, Germany65
- Oil and gas tax services based in Houston, United States63
- Oil and gas tax services based in Munich, Germany60
- Oil and gas tax services based in London, United Kingdom59
- Oil and gas tax services based in Hamburg, Germany42
Questions about this company list
What does Exact match mean for oil and gas tax services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil and gas tax services did RevenueBase find worldwide?
The saved snapshot records 5,265 matching company records, 118,247 tracked contacts and 22,222 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil and gas tax services worldwide. Snapshot: November 4, 2026. https://revenuebase.ai/companies/browse/oil-and-gas-tax-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗