Urban rail (underground)
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
317
Active companies
212
Formed in latest 12 months
15
Median active-company age
8.6 years
Revenue known
8
Importers
5
Exporters
4
Top values shown in the chart
| Category | Companies |
|---|---|
| All companies | 317 |
| Active companies | 212 |
| Formed in latest 12 months | 15 |
| Importers | 5 |
| Exporters | 4 |
Revenue coverage among active companies: 8 known, 204 unknown (3.8%).
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 |
|---|---|---|
| 2025-12 | 3 | 3 |
| 2026-01 | 3 | 5 |
| 2026-02 | 1 | 2 |
| 2026-03 | 0 | 2 |
| 2026-04 | 1 | 2 |
| 2026-05 | 0 | 2 |
| 2026-06 | 1 | 2 |
| 2026-07 | 0 | 2 |
| 2026-08 | 0 | 2 |
| 2026-09 | 0 | 3 |
Window: 2024-01 to 2026-09.
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 | 182 |
| Dissolved | 105 |
| Dormant | 30 |
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 |
|---|---|
| Inner London - East | 33 |
| Inner London - West | 26 |
| Outer London - East and North East | 20 |
| Essex | 12 |
| Outer London - South | 11 |
| Outer London - West and North West | 10 |
| Kent | 9 |
| West Midlands | 9 |
| Berkshire, Buckinghamshire and Oxfordshire | 8 |
| Surrey, East and West Sussex | 8 |
Geography coverage: 212 known, 0 unknown (100.0%).
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 | 114 |
| 1m-15m | 17 |
| 15m-54m | 1 |
| 54m+ | 11 |
Revenue-range coverage: 143 known, 69 unknown (67.5%).
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 | 83 |
| Small | 48 |
| Large | 12 |
| Holding | 2 |
| Dormant | 30 |
Company-size coverage: 175 known, 37 unknown (82.5%).
Top values shown in the chart
| Employees | Companies |
|---|---|
| 0 | 32 |
| 1–9 | 89 |
Employee coverage: 121 known, 91 unknown (57.1%).
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 | 14 |
| 1–3 years | 40 |
| 3–5 years | 13 |
| 5–10 years | 64 |
| 10–20 years | 57 |
| 20+ years | 24 |
Incorporation-date coverage: 212 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 | 212 |
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 | 1 |
| Both | 4 |
| Neither | 207 |
Top imports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 84 — Machinery, boilers, and mechanical appliances; parts | 5 | £3,375,550,980 | 2016-11-01 – 2026-05-01 |
| 85 — Electrical machinery and equipment | 5 | £5,127,367,387 | 2016-01-01 – 2026-05-01 |
| 86 — Railway and tramway vehicles and parts | 5 | £91,021,395 | 2017-09-01 – 2026-05-01 |
| 90 — Optical and medical tools and devices | 5 | £608,430,027 | 2016-01-01 – 2026-05-01 |
| 73 — Iron or Steel Products | 3 | £401,768,519 | 2016-08-01 – 2026-05-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 3 | £407,981,410 | 2018-12-01 – 2026-05-01 |
| 39 — Plastics and plastic products | 2 | £340,908,215 | 2022-01-01 – 2026-03-01 |
| 40 — Rubber and rubber products | 2 | £57,727,578 | 2022-03-01 – 2025-11-01 |
| 76 — Aluminum and aluminum products | 2 | £10,494,096 | 2022-02-01 – 2026-05-01 |
| 87 — Vehicles, parts, and accessories (not for trains or trams) | 2 | £484,121,156 | 2016-03-01 – 2026-03-01 |
Top exports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 85 — Electrical machinery and equipment | 4 | £1,154,700,703 | 2016-07-01 – 2026-05-01 |
| 86 — Railway and tramway vehicles and parts | 4 | £31,631,175 | 2021-02-01 – 2026-05-01 |
| 84 — Machinery, boilers, and mechanical appliances; parts | 3 | £707,797,948 | 2016-08-01 – 2026-04-01 |
| 90 — Optical and medical tools and devices | 3 | £384,691,237 | 2017-04-01 – 2026-04-01 |
| 73 — Iron or Steel Products | 2 | £76,220,408 | 2022-04-01 – 2023-06-01 |
| 38 — Miscellaneous chemical products | 1 | £12,561,305 | 2022-05-01 – 2022-05-01 |
| 40 — Rubber and rubber products | 1 | £2,060,576 | 2021-04-01 – 2021-04-01 |
| 42 — Leather goods, travel bags, and animal harnesses | 1 | £510,170 | 2021-04-01 – 2021-04-01 |
| 44 — Wood and Wood Products | 1 | £2,035,314 | 2021-11-01 – 2021-11-01 |
| 82 — Basic metal tools and utensils | 1 | £904,156 | 2023-06-01 – 2023-06-01 |
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 | 13 | 161 | 51 | 75.9% |
| Holding company | 0 | 161 | 51 | 75.9% |
| Solo founder | 86 | 161 | 51 | 75.9% |
| Ecommerce | 0 | 2 | 210 | 0.9% |
| Website | 4 | 4 | 208 | 1.9% |
| 4 | 4 | 208 | 1.9% |
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 |
|---|---|
| Uktram Limited | £659,114 |
| Tordoff Rail And Accessibility Consulting Limited | £72,750 |
| Mt Rail Support Limited | £71,499 |
| Sb Capital Limited | £49,675 |
| D. Kazakov Limited | £33,199 |
| Mircea&son Group Limited | £29,508 |
| Fimam Limited | £11,652 |
| Riffhams Associates Ltd | £7,312 |
Revenue coverage: 8 known, 204 unknown (3.8%).
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 |
|---|---|
| Road freight | 76,353 |
| Freight forwarding | 24,804 |
| Taxi services | 21,772 |
| Courier services | 16,727 |
| Misc. land transport | 10,773 |
| Land freight storage | 9,627 |
| Removal services | 8,383 |
| Other land support n.e.c. | 4,602 |
| Marine cargo transport | 3,673 |
| Land cargo handling | 3,023 |
| National post | 2,870 |
| Cargo airlines | 2,656 |
| Charter airlines | 1,833 |
| Air support services | 1,704 |
| Air cargo handling | 1,511 |
| Water support services | 1,382 |
| City land transport | 1,280 |
| Water cargo handling | 1,181 |
| Marine passenger transport | 1,147 |
| Intercity rail | 860 |
| Other | 4,308 |
SIC classification
SIC 49311 — Urban and suburban passenger railway transportation by underground, metro and similar systems
Includes
land transport of passengers by urban, suburban or metropolitan underground and elevated railways etc. The transport is carried out on scheduled routes normally following a fixed time schedule, entailing the picking up and setting down of passengers at normally fixed stops, town-to-airport or town-to-station transport by rail
Excludes
passenger transport by interurban railways, see ##49.10, tramways, see ##49.31/9