HMRC records show 41 businesses trading internationally from Merthyr Tydfil over the last six months. It ranks 4 of 17 trading locations in Mid Glamorgan. Most of that activity sits in machinery and mechanical appliances, electrical machinery and electronics, plastics and plastic articles. Looking ahead, our model expects import activity here to ease back by around 12.0% over the next three months.
Refreshed every 24 hours · last run 05/10/2026 at 06:14HMRC release in view: Aug 26Snapshot: 2026-10-04.1
370Import declarations▼ 21.6% on the 6 months before
324Export declarations
−12.0%Forecast, next 3 monthsBased on 2 years of data
41Trading businesses
Top 10 businesses by 6-month activity Free tier
Ranked by declaration volume and months active. Hover any bar in the 24-month indicators for that month's figures. Log in for keyword search and HMRC category filters across all 41 businesses.
★ Most active in Merthyr TydfilFiled more customs declarations than any other Merthyr Tydfil business over the last six months — roughly 28% of the town's total import activity, mostly in plastics and plastic articles.
Most active business
TENNECO- WALKER (U K) LIMITED
103 import declarations39 export declarationsCF48 *Ch. 39Ch. 40Ch. 42Ch. 70Active in 5 of the last 6 months
Recent shipments include silencers "mufflers" and exhaust pipes, and parts thereof, for tractors, motor vehicles for the transport of ten or more persons, motor cars and other motor vehicles principally designed for the transport of persons, motor vehicles for the transport, articles of vulcanised rubber (excl. hard rubber), n.e.s., appliances for pipes, boiler shells, tanks, vats or the like (excl. pressure-reducing valves, valves for the control of pneumatic power transmission, check "non-return" valves and safety or relief valves).
▼ Expected to slow by 18.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity103 in the last 6 months
Exports — 2 years of monthly activity39 in the last 6 months
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active
SPM (UK) LIMITED
24 import declarations19 export declarationsCF48 *Ch. 39Ch. 73Ch. 76Ch. 84Active in 5 of the last 6 months
Recent shipments include fans (excl. table, floor, wall, window, ceiling or roof fans, with a self-contained electric motor of an output <= 125 w), parts of: air or vacuum pumps, air or other gas compressors, fans and ventilating or recycling hoods incorporating a fan, and gas-tight biological safety cabinets, n.e.s., threaded screws and bolts, of iron or steel, whether or not with their nuts and washers (excl. coach screws and other wood screws, screw hooks and screw rings, self-tapping screws, lag screws, stoppers, plugs and the like, threaded).
▲ Expected to increase by 52.9% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity24 in the last 6 months
Exports — 2 years of monthly activity19 in the last 6 months
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active
AMINITEC LTD
20 import declarations13 export declarationsCF48 *Ch. 39Ch. 40Ch. 56Ch. 71Active in 5 of the last 6 months
Recent shipments include flat-rolled products of stainless steel, of a width of < 600 mm, not further worked than cold-rolled "cold-reduced", flexible tubing of iron or steel, with or without fittings, tube or pipe fittings of stainless steel (excl. cast products, flanges, threaded elbows, bends and sleeves and butt weldings fittings).
▲ Expected to increase by 0.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity20 in the last 6 months
Exports — 2 years of monthly activity13 in the last 6 months
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active
ONNYX LIMITED
0 import declarations27 export declarationsCF48 *Ch. 39Ch. 40Ch. 73Ch. 84Active in 3 of the last 6 months
▲ Expected to increase by 0.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity0 in the last 6 months
Exports — 2 years of monthly activity27 in the last 6 months
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active
BESLEYS (MERTHYR TYDFIL)LTD
16 import declarationsImports onlyCF48 *Ch. 39Ch. 68Ch. 69Ch. 70Active in 5 of the last 6 months
Recent shipments include articles of cement, concrete or artificial stone, whether or not reinforced (excl. prefabricated structural components for building or civil engineering, tiles, paving, bricks and the like), articles of glass, n.e.s., laminated safety glass (excl. glass of size and shape suitable for incorporation in motor vehicles, aircraft, spacecraft, vessels or other vehicles, multiple-walled insulating units).
▲ Expected to increase by 7.7% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity16 in the last 6 months
Exports — 2 years of monthly activity0 in the last 6 months
Earlier monthsLast 6 monthsOur forecast for the next 3
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31 more Merthyr Tydfil businesses
Every importer and exporter in CF47 / CF48 with monthly activity, 24-month indicators, forecasts, Companies House records, AI research and validated contact reveals.
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What Merthyr Tydfil trades
The most frequently declared goods across all 41 businesses in the last six months — useful for picking which trade lanes to prospect.
Chocolate and other preparations containing cocoa, in blocks, slabs or bars of <= 2 kg (excl. filled)Waffles and wafersAppliances for pipes, boiler shells, tanks, vats or the like (excl. pressure-reducing valves, valves for the control of pneumatic power transmission, check "non-return" valves and safety or relief valves)Silencers "mufflers" and exhaust pipes, and parts thereof, for tractors, motor vehicles for the transport of ten or more persons, motor cars and other motor vehicles principally designed for the transport of persons, motor vehicles for the transportArticles of vulcanised rubber (excl. hard rubber), n.e.s.Food preparations, n.e.s.Parts and accessories, for tractors, motor vehicles for the transport of ten or more persons, motor cars and other motor vehicles principally designed for the transport of persons, motor vehicles for the transport of goods and special purpose motor vFlat-rolled products of stainless steel, of a width of < 600 mm, not further worked than cold-rolled "cold-reduced"
Common questions about trade in Merthyr Tydfil
How many businesses import or export from Merthyr Tydfil?
HMRC customs records show 41 businesses in Merthyr Tydfil (CF47, CF48) filed declarations over the last six months — 370 import declarations and 324 export declarations in total. This page is rebuilt every 24 hours as new HMRC data is published.
What do Merthyr Tydfil businesses import most?
The most common category is machinery and mechanical appliances. Across all Merthyr Tydfil traders the leading goods are chocolate and other preparations containing cocoa, in blocks, slabs or bars of <= 2 kg (excl. filled), waffles and wafers, appliances for pipes, boiler shells, tanks, vats or the like (excl. pressure-reducing valves, valves for the control of pneumatic power transmission, check "non-return" valves and safety or relief valves), silencers "mufflers" and exhaust pipes, and parts thereof, for tractors, motor vehicles for the transport of ten or more persons, motor cars and other motor vehicles principally designed for the transport of persons, motor vehicles for the transport. You can filter the full list by HMRC category once logged in.
Is trade from Merthyr Tydfil growing?
Import activity is down 21.6% compared with the previous six months. Our model, which reads two years of monthly history, expects the next three months to soften by roughly 12.0%. That figure is our estimate, not an HMRC projection.
How do I get contact details for Merthyr Tydfil importers?
Create an account to see all 41 businesses, open their Companies House records, run AI research on their website and buying signals, and reveal validated email and LinkedIn contacts.
Nearby in Mid Glamorgan
Other Mid Glamorgan locations with active customs entries.