Test drilling
UK companies organised by the CorpSignals industry, segment, and subsegment taxonomy.
Company snapshot
What this shows: the size and current activity of this classification, plus recent formations, company age, revenue coverage, and trade participation.
All companies
823
Active companies
619
Formed in latest 12 months
65
Median active-company age
9.0 years
Revenue known
13
Importers
43
Exporters
23
Top values shown in the chart
| Category | Companies |
|---|---|
| All companies | 823 |
| Active companies | 619 |
| Formed in latest 12 months | 65 |
| Importers | 43 |
| Exporters | 23 |
Revenue coverage among active companies: 13 known, 606 unknown (2.1%).
Company formations
What this shows: monthly incorporations and dissolutions from 1 January 2024, including companies of every current status.
Latest ten months shown in the chart
| Month | Formed | Dissolved |
|---|---|---|
| 2025-11 | 4 | 5 |
| 2025-12 | 6 | 7 |
| 2026-01 | 6 | 4 |
| 2026-02 | 8 | 7 |
| 2026-03 | 4 | 4 |
| 2026-04 | 10 | 5 |
| 2026-05 | 2 | 4 |
| 2026-06 | 6 | 4 |
| 2026-07 | 3 | 7 |
| 2026-08 | 3 | 2 |
Window: 2024-01 to 2026-08.
Company status
What this shows: all current Companies House status values. Companies House Active records with dormant accounts are shown as Dormant; the remaining Companies House Active records are shown as Active. Blank and missing values are combined as Unknown.
Top values shown in the chart
| Status | Companies |
|---|---|
| Active | 573 |
| Dissolved | 189 |
| Dormant | 46 |
| Liquidation | 14 |
| In Administration | 1 |
Active companies by UK region
What this shows: active companies with a known ITL2 region. The UK map falls back to a bar chart if map data cannot be loaded.
Top values shown in the chart
| ITL2 region | Companies |
|---|---|
| Northumberland, Durham and Tyne & Wear | 31 |
| Kent | 29 |
| Essex | 26 |
| Greater Manchester | 25 |
| Surrey, East and West Sussex | 24 |
| Inner London - West | 22 |
| Northern Ireland | 22 |
| Derbyshire and Nottinghamshire | 21 |
| North Somerset, Somerset and Dorset | 18 |
| West Yorkshire | 18 |
Geography coverage: 610 known, 9 unknown (98.5%).
Revenue ranges
What this shows: active companies grouped into the platform’s ordered estimated-revenue bands.
Top values shown in the chart
| Revenue range | Companies |
|---|---|
| 0-1m | 355 |
| 1m-15m | 109 |
| 15m-54m | 9 |
| 54m+ | 5 |
Revenue-range coverage: 478 known, 141 unknown (77.2%).
Company size and employees
What this shows: active companies by published size category and by reported employee count.
Top values shown in the chart
| Company size | Companies |
|---|---|
| Micro | 198 |
| Small | 254 |
| Medium | 3 |
| Large | 12 |
| Holding | 1 |
| Dormant | 46 |
Company-size coverage: 514 known, 105 unknown (83.0%).
Top values shown in the chart
| Employees | Companies |
|---|---|
| 0 | 91 |
| 1–9 | 293 |
| 10–49 | 52 |
| 50–249 | 13 |
| 250+ | 2 |
Employee coverage: 451 known, 168 unknown (72.9%).
Active-company age
What this shows: how long currently active companies have been incorporated.
Top values shown in the chart
| Age band | Companies |
|---|---|
| Under 1 year | 65 |
| 1–3 years | 75 |
| 3–5 years | 70 |
| 5–10 years | 118 |
| 10–20 years | 157 |
| 20+ years | 134 |
Incorporation-date coverage: 619 known, 0 unknown (100.0%).
Classification breakdown
What this shows: active companies across the next taxonomy level; direct assignments are labelled separately. The top 20 are shown and remaining values are combined as Other.
Top values shown in the chart
| Classification | Companies |
|---|---|
| Directly assigned to this segment | 619 |
International trade
What this shows: active-company participation in imports and exports, followed by the ten HS2 categories involving the most distinct companies.
Top values shown in the chart
| Trade participation | Companies |
|---|---|
| Importer only | 22 |
| Exporter only | 2 |
| Both | 21 |
| Neither | 574 |
Top imports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 84 — Machinery, boilers, and mechanical appliances; parts | 35 | £6,884,314,289 | 2016-01-01 – 2026-05-01 |
| 85 — Electrical machinery and equipment | 19 | £6,123,787,784 | 2016-02-01 – 2026-05-01 |
| 90 — Optical and medical tools and devices | 16 | £959,045,685 | 2016-02-01 – 2026-05-01 |
| 82 — Basic metal tools and utensils | 14 | £88,467,634 | 2016-02-01 – 2026-05-01 |
| 73 — Iron or Steel Products | 10 | £912,329,871 | 2019-04-01 – 2026-05-01 |
| 39 — Plastics and plastic products | 6 | £691,923,258 | 2019-04-01 – 2026-05-01 |
| 40 — Rubber and rubber products | 6 | £154,285,879 | 2019-08-01 – 2026-05-01 |
| 87 — Vehicles, parts, and accessories (not for trains or trams) | 6 | £870,486,412 | 2016-09-01 – 2026-05-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 3 | £87,371,266 | 2018-09-01 – 2026-02-01 |
| 34 — Soaps, cleaning products, and waxes | 2 | £7,405,097 | 2022-11-01 – 2026-05-01 |
Top exports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 84 — Machinery, boilers, and mechanical appliances; parts | 16 | £2,709,006,409 | 2016-02-01 – 2026-05-01 |
| 90 — Optical and medical tools and devices | 14 | £1,146,397,350 | 2016-02-01 – 2026-04-01 |
| 85 — Electrical machinery and equipment | 12 | £2,055,966,601 | 2016-01-01 – 2026-05-01 |
| 82 — Basic metal tools and utensils | 11 | £38,646,370 | 2016-08-01 – 2026-05-01 |
| 73 — Iron or Steel Products | 8 | £404,799,191 | 2016-08-01 – 2026-05-01 |
| 39 — Plastics and plastic products | 7 | £185,660,041 | 2016-12-01 – 2025-12-01 |
| 40 — Rubber and rubber products | 4 | £24,070,640 | 2016-09-01 – 2025-05-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 4 | £35,578,282 | 2016-09-01 – 2026-03-01 |
| 86 — Railway and tramway vehicles and parts | 3 | £30,581,733 | 2016-10-01 – 2026-03-01 |
| 25 — Salt, sulphur, earths, stone, plaster, lime, and cement | 2 | £1,111,089 | 2022-11-01 – 2025-12-01 |
Business and digital traits
What this shows: active companies identified with selected ownership, business-model, and online-presence traits.
Values shown in the chart with data coverage
| Trait | Companies | Known | Unknown | Coverage |
|---|---|---|---|---|
| Family business | 88 | 527 | 92 | 85.1% |
| Holding company | 1 | 527 | 92 | 85.1% |
| Solo founder | 250 | 527 | 92 | 85.1% |
| Ecommerce | 0 | 27 | 592 | 4.4% |
| Website | 37 | 37 | 582 | 6.0% |
| 29 | 37 | 582 | 6.0% |
Leading active companies
What this shows: the ten active companies with the highest non-missing revenue, with company number used as the deterministic tie-breaker.
Top values shown in the chart
| Company | Revenue |
|---|---|
| Structural Soils Limited | £28,731,965 |
| Causeway Geotech Limited | £25,464,732 |
| Southern Piling Limited | £19,911,675 |
| Geotechnics Limited | £15,230,521 |
| Ltjmb Holdings Limited | £15,230,521 |
| Concept Engineering Consultants Ltd | £15,113,204 |
| Central Alliance Pre Construction Services Ltd | £13,880,124 |
| Dunelm Geotechnical & Environmental Limited | £11,467,121 |
| Dunelm G&e Holdings Ltd | £11,467,121 |
| Quantum Geotechnic Limited | £4,426,336 |
Revenue coverage: 13 known, 606 unknown (2.1%).
Related classifications
What this shows: sibling classifications ranked by distinct active companies, excluding the current node. The top 20 are shown and remaining values are combined as Other.
Top values shown in the chart
| Classification | Companies |
|---|---|
| Development | 117,527 |
| Domestic | 103,492 |
| Special construction | 68,929 |
| Finishing | 60,823 |
| Electrical installation | 60,734 |
| HVAC | 53,744 |
| Commercial | 45,066 |
| Other installation n.e.c. | 41,251 |
| Joinery | 24,377 |
| Other civil n.e.c. | 19,772 |
| Roofing | 19,044 |
| Painting | 18,362 |
| Floor/wall covering | 12,792 |
| Plastering | 10,210 |
| Glazing | 8,228 |
| Scaffolding | 7,393 |
| Site preparation | 5,793 |
| Machinery installation | 5,584 |
| Electric & telecom | 5,219 |
| Roads | 5,091 |
| Other | 9,639 |
SIC classification
SIC 43130 — Test drilling and boring
Includes
test drilling, test boring and core sampling for construction, geophysical, geological or similar purposes
Excludes
drilling of production oil or gas wells, see ##06.10, ##06.20, test drilling and boring support services during mining activities, see ##09.90, water well drilling, see ##42.21, shaft sinking, see ##43.99, oil and gas field exploration, geophysical, geological and seismic surveying, see ##71.12
Details
This class includes the installation of electrical systems in all kinds of buildings and civil engineering structures of electrical systems.