HMRC records show 3 businesses trading internationally from Treharris over the last six months. It ranks 11 of 17 trading locations in Mid Glamorgan. Most of that activity sits in optical and medical instruments, soaps and cleaning products, HS chapter 35. Looking ahead, our model expects import activity here to pick up by around 31.8% over the next three months.
Refreshed every 24 hours · last run 22 Aug 2026, 20:36HMRC release in view: Jun 26Snapshot: 2026-08-22.1
92Import declarations▼ 5.2% on the 6 months before
135Export declarations
+31.8%Forecast, next 3 monthsBased on 2 years of data
3Trading businesses
Top 3 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 3 businesses.
★ Most active in TreharrisFiled more customs declarations than any other Treharris business over the last six months — roughly 91% of the town's total import activity, mostly in mineral fuels.
Most active business
G C COMPONENTS LTD
84 import declarations135 export declarationsCF46 *Ch. 27Ch. 34Ch. 35Ch. 38Active in 6 of the last 6 months
Recent shipments include plugs and sockets for a voltage <= 1.000 v (excl. lamp holders), articles of plastics and articles of other materials of heading 3901 to 3914, n.e.s (excl. goods of 9619), electrical apparatus for switching electrical circuits, or for making connections to or in electrical circuits, for a voltage <= 1.000 v (excl. fuses, automatic circuit breakers and other apparatus for protecting electrical circuits, relays and other.
▲ Expected to increase by 38.5% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity84 in the last 6 months
Exports — 2 years of monthly activity135 in the last 6 months
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active
RALPH & CO PET PRODUCTS LIMI TED
4 import declarationsImports onlyCF46 *Ch. 42Ch. 63Ch. 94Active in 4 of the last 6 months
Recent shipments include made-up articles of textile materials, incl. dress patterns, n.e.s., saddlery and harness for any animal, incl. traces, leads, knee pads, muzzles, saddle cloths, saddlebags, dog coats and the like, of any material (excl. harnesses for children and adults, riding whips and other goods of heading 6602), articles of bedding and similar furnishing, fitted with springs or stuffed or internally filled with any material or of cellular rubber or plastics (excl. mattress supports, mattresses, sleeping bags, pneumatic or water mattresses, blankets, covers,.
▼ Expected to slow by 100.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity4 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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Among the most active
NELSON EQUINE & LIVESTOCK SU PPLIESLTD
4 import declarationsImports onlyCF46 *Ch. 44Active in 4 of the last 6 months
Recent shipments include sawdust and wood waste and scrap, agglomerated in logs or similar forms (excl. pellets and briquettes), fir "abies spp." and spruce "picea spp." sawn or chipped lengthwise, sliced or peeled, whether or not planed, sanded or end-jointed, of a thickness of > 6 mm (excl. of s-p-f spruce&pine&fir).
▲ Expected to increase by 100.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity4 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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Among the most active
RALPH & CO PET PRODUCTS LIMI TED
4 import declarationsImports onlyCF46 *Ch. 42Ch. 63Ch. 94Active in 4 of the last 6 months
Recent shipments include made-up articles of textile materials, incl. dress patterns, n.e.s., saddlery and harness for any animal, incl. traces, leads, knee pads, muzzles, saddle cloths, saddlebags, dog coats and the like, of any material (excl. harnesses for children and adults, riding whips and other goods of heading 6602), articles of bedding and similar furnishing, fitted with springs or stuffed or internally filled with any material or of cellular rubber or plastics (excl. mattress supports, mattresses, sleeping bags, pneumatic or water mattresses, blankets, covers,.
▼ Expected to slow by 100.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity4 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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Among the most active
NELSON EQUINE & LIVESTOCK SU PPLIESLTD
4 import declarationsImports onlyCF46 *Ch. 44Active in 4 of the last 6 months
Recent shipments include sawdust and wood waste and scrap, agglomerated in logs or similar forms (excl. pellets and briquettes), fir "abies spp." and spruce "picea spp." sawn or chipped lengthwise, sliced or peeled, whether or not planed, sanded or end-jointed, of a thickness of > 6 mm (excl. of s-p-f spruce&pine&fir).
▲ Expected to increase by 100.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity4 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
✦ Research this businessOpen their official record, run AI research, or find the people who make the freight decisions.
0 more Treharris businesses
Every importer and exporter in CF46 with monthly activity, 24-month indicators, forecasts, Companies House records, AI research and validated contact reveals.
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What Treharris trades
The most frequently declared goods across all 3 businesses in the last six months — useful for picking which trade lanes to prospect.
Plugs and sockets for a voltage <= 1.000 V (excl. lamp holders)Articles of plastics and articles of other materials of heading 3901 to 3914, n.e.s (excl. goods of 9619)Electrical apparatus for switching electrical circuits, or for making connections to or in electrical circuits, for a voltage <= 1.000 V (excl. fuses, automatic circuit breakers and other apparatus for protecting electrical circuits, relays and otherElectric heating resistors (excl. those of agglomerated coal and graphite)Cement, whether or not coloured (excl. portland cement and aluminous cement)Instruments, appliances and machines for measuring or checking, not elsewhere specified in chapter 90 (excl. optical)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)Electric conductors for a voltage <= 1.000 V, insulated, fitted with connectors, n.e.s.
Common questions about trade in Treharris
How many businesses import or export from Treharris?
HMRC customs records show 3 businesses in Treharris (CF46) filed declarations over the last six months — 92 import declarations and 135 export declarations in total. This page is rebuilt every 24 hours as new HMRC data is published.
What do Treharris businesses import most?
The most common category is optical and medical instruments. Across all Treharris traders the leading goods are plugs and sockets for a voltage <= 1.000 v (excl. lamp holders), articles of plastics and articles of other materials of heading 3901 to 3914, n.e.s (excl. goods of 9619), electrical apparatus for switching electrical circuits, or for making connections to or in electrical circuits, for a voltage <= 1.000 v (excl. fuses, automatic circuit breakers and other apparatus for protecting electrical circuits, relays and other, electric heating resistors (excl. those of agglomerated coal and graphite). You can filter the full list by HMRC category once logged in.
Is trade from Treharris growing?
Import activity is down 5.2% compared with the previous six months. Our model, which reads two years of monthly history, expects the next three months to rise by roughly 31.8%. That figure is our estimate, not an HMRC projection.
How do I get contact details for Treharris importers?
Create an account to see all 3 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.