Company lists · Data refreshed September 2026

Top 24 Onshore drilling contractors based in the United Kingdom

Name: Onshore drilling contractors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 160 companies tracked

RevenueBase identified 160 company matches for onshore drilling contractors associated with the United Kingdom as of September 2026 and tracks 15,718 professional contacts across them, including 2,079 with verified work emails. Aberdeen is the largest hub.

This list covers company matches for onshore drilling contractors associated with the United Kingdom, 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 17, 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 17, 2026 How this list was built

160Companies

15,718Contacts tracked

2,079Verified emails

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The 24 largest onshore drilling contractors based in the United Kingdom

Ranked by team size

Top 24 of 160 company matches for onshore drilling contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ensco PLC	Exact match	London, United KingdomHQ recorded Sep 17, 2026	5,001-10,000	2,679 contacts →
	Exact match “We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Odfjell Drilling	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,864 contacts →
	Exact match “Odfjell Drilling is an international drilling company with around 1,500 employees with operations around the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Borr Drilling	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,699 contacts →
	Exact match “Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Dolphin Drilling	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	201-500	694 contacts →
	Exact match “Dolphin Drilling is the offshore drilling pioneer of the past and for the future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Hobark International Limited	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	113 contacts →
	Exact match “Hobark International Limited (HIL) is an Integrated Services Company whose subsidiaries: DrillPet International Limited (DIL), Uniterm Nigeria Limited (UNL), UltiProc Nigeria…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Derrick Services UK LTD	Exact match	Great Yarmouth, United KingdomHQ recorded Sep 17, 2026	51-200	111 contacts →
	Exact match “Derrick Service UK Ltd (DSL) is a diversified oil & gas construction company which provides a broad range of products and services to the market from our Worldwide locations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Awilco Drilling	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	51-200	88 contacts →
	Exact match “Awilco Drilling Limited was incorporated in December 2009 in connection with the acquisition of the two semi submersible drilling rigs, WilPhoenix (previously Arctic II) and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	RDS	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	70 contacts →
	Exact match “RDS is an engineering specialist working for oil and gas companies and major topsides and drilling contractors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Global Resources Network	Exact match	Dyce, United KingdomHQ recorded Sep 17, 2026	11-50	63 contacts →
	Exact match “Global Resources supply Drill Crew to the UK and International Oil & Gas Industry Our experience means we understand the need for QUALITY & COMPETENT crew.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	ADP Group LTD	Exact match	Wotton-under-edge, United KingdomHQ recorded Sep 17, 2026	11-50	52 contacts →
	Exact match “ADP Group are an independent contractor specialising in the supply of drilling and associated services across the UK.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Saltire Energy Group	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	51-200	51 contacts →
	Exact match “Established in 1986, Saltire Energy Group supplies high-quality drilling equipment to the global oil and gas industry from its headquarters in Aberdeen and seven bases around the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	RIG Surveys Group	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	51-200	37 contacts →
	Exact match “We are a dynamic team with over 20 years experience servicing the Mobile Offshore Drilling Unit market around the World.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Rigquip	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	51-200	37 contacts →
	Exact match “At RigQuip, we’re not just drilling equipment experts-we’re your strategic partner in energy asset performance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Gorevega	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	51-200	37 contacts →
	Exact match “GoreVega supports the global oil and gas industry by providing valuable technical expertise for operators and service companies at each stage of a well’s lifecycle, from drilling…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	TIS Manufacturing	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “TIS Manufacturing is a specialist in the design, manufacture, refurbishment and rental of well service and subsea control equipment for the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Dando Drilling International	Exact match	Arundel, United KingdomHQ recorded Sep 17, 2026	51-200	29 contacts →
	Exact match “Dando Drilling International has over 150 years experience of supplying drilling rigs and equipment for the water well, mineral exploration, geotechnical & geothermal sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	ADS Drilling	Exact match	Newton Abbot, United KingdomHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “ADS Drilling are a drilling contractor with over 35 years in the drilling and site investigation industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Drilcorp	Exact match	Seaham, United KingdomHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Drilcorp was established in 1992 and since then has developed into one of the UK’s top drilling companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	GB Land Engineering Limited	Exact match	West Calder, United KingdomHQ recorded Sep 17, 2026	51-200	18 contacts →
	Exact match “GBLE is at the forefront of Scotland’s drilling industry and one of the preferred contractors for major house builders, Environmental, Mining, and Geotechnical Consultants, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Endeavour Drilling LTD	Exact match	Latchingdon, United KingdomHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Welcome to Endeavour Drilling Ltd the Geo Environmental specialists who can provide a nationwide service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Marshall Drilling LTD	Exact match	Westbury, United KingdomHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Marshall Drilling offer a nationwide service providing a range of drilling services, specialising in geotechnical and geo-environmental rotary drilling.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Ardyne Technologies	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	51-200	16 contacts →
	Exact match “Ardyne develops and supplies specialised technology and services to the global energy industry, focusing on reducing rig time spent on downhole casing removal in slot recovery /…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Falmouth Divers LTD	Exact match	Penryn, United KingdomHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Since forming in 1978 Falmouth Divers has become one of Europe's leading multi-discipline diving, subsea and marine civil engineering contractors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	British Drilling And Freezing Company Limited	Exact match	Nottingham, United KingdomHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “British Drilling and Freezing Company Limited (BDF) and its Boldon Drilling and BB Drilling divisions, is the UK's largest onshore drilling contractor.” Recorded in the RevenueBase company graph · Sep 17, 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 “onshore drilling contractors”. 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 24 of 160 onshore drilling contractors based in the United Kingdom

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Onshore drilling contractors based in the United Kingdom at a glance

As of Sep 17, 2026

13.2%Verified-email coverage

98.2Average contacts per company

11-50Median size (employees)

18.8%Largest-city concentration · Aberdeen

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 160 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 the United Kingdom whose business descriptions match “onshore drilling contractors” 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 2,079 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 17, 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 “onshore drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many onshore drilling contractors are there based in the United Kingdom?

RevenueBase identified 160 company matches for onshore drilling contractors associated with the United Kingdom 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?

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

Which city has the most onshore drilling contractors?

Aberdeen leads with 30 company records, followed by London (23) and Sheffield (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 2,079 professional contacts with verified work emails tracked across these 160 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 17, 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.