30 businesses in Seaham appear in HMRC customs records for the last six months. It ranks 13 of 21 trading locations in County Durham. Most of that activity sits in machinery and mechanical appliances, plastics and plastic articles, electrical machinery and electronics. Looking ahead, our model expects import activity here to ease back by around 12.6% over the next three months.
Refreshed every 24 hours · last run 25/08/2026 at 11:41HMRC release in view: Jun 26Snapshot: 2026-08-25.1
539Import declarations▼ 6.9% on the 6 months before
227Export declarations
−12.6%Forecast, next 3 monthsBased on 2 years of data
30Trading 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 30 businesses.
★ Most active in SeahamFiled more customs declarations than any other Seaham business over the last six months — roughly 34% of the town's total import activity, mostly in dyes, pigments, paints and inks.
Most active business
INTERNATIONAL PLASTIC SYSTEMS LTD
184 import declarations52 export declarationsSR7 *Ch. 32Ch. 35Ch. 38Ch. 39Active in 6 of the last 6 months
Recent shipments include 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), instruments and apparatus for measuring or checking the flow or level of liquids (excl. meters and regulators), rigid tubes, pipes and hoses, of polymers of vinyl chloride.
▼ Expected to slow by 10.2% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity184 in the last 6 months
Exports — 2 years of monthly activity52 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.
Among the most active
T5 PRODUCT DISTRIBUTION LTD
15 import declarations7 export declarationsSR7 *Ch. 32Ch. 38Ch. 49Ch. 63Active in 6 of the last 6 months
Recent shipments include paints and varnishes, incl. enamels and lacquers, based on polyesters, dispersed or dissolved in a non-aqueous medium; solutions based on polyesters in volatile organic solvents, containing > 50% solvent by weight, paints and varnishes, incl. enamels and lacquers, based on acrylic or vinyl polymers, dispersed or dissolved in a non-aqueous medium; solutions based on acrylic or vinyl polymers in volatile organic solvents, containing > 50% solvent by weight, organic composite solvents and thinners, n.e.s.; prepared paint or varnish removers (excl. nail varnish remover).
▲ Expected to increase by 15.4% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity15 in the last 6 months
Exports — 2 years of monthly activity7 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.
Among the most active
MISSION FOODS UK LIMITED
74 import declarations36 export declarationsSR7 *Ch. 07Ch. 09Ch. 11Ch. 13Active in 6 of the last 6 months
Recent shipments include groats and meal of maize "corn", bread, pastry, cakes, biscuits and other bakers' wares, whether or not containing cocoa; communion wafers, empty cachets of a kind suitable for pharmaceutical use, sealing wafers, rice paper and similar products (excl. crispbread, gingerbread and the, maize "corn" flour.
▼ Expected to slow by 9.4% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity74 in the last 6 months
Exports — 2 years of monthly activity36 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.
Among the most active
GM PACKAGING (UK) LTD
43 import declarations39 export declarationsSR7 *Ch. 17Ch. 39Ch. 44Ch. 48Active in 6 of the last 6 months
Recent shipments include trays, dishes, plates, cups and the like, of paper or paperboard (excl. of bamboo paper or bamboo paperboard), tableware and kitchenware, of plastics, tablecloths and serviettes of paper pulp, paper, cellulose wadding or webs of cellulose fibres.
▲ Expected to increase by 0.0% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity43 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
✦ Research this businessOpen their official record, run AI research, or find the people who make the freight decisions.
Among the most active
RG DISTRIBUTORS LIMITED
78 import declarationsImports onlySR7 *Ch. 39Ch. 73Ch. 76Ch. 82Active in 6 of the last 6 months
Recent shipments include electric ovens, cookers, cooking plates and boiling rings, electric grillers and roasters, for domestic use (excl. space-heating stoves and microwave ovens), furniture "chests, cabinets, display counters, show-cases and the like" for storage and display, incorporating refrigerating or freezing equipment (excl. combined refrigerator-freezers with separate external doors, household refrigerators and freezer, machinery, plant and equipment for making hot drinks or for cooking or heating food (excl. domestic appliances).
▼ Expected to slow by 21.9% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity78 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.
20 more Seaham businesses
Every importer and exporter in SR7 with monthly activity, 24-month indicators, forecasts, Companies House records, AI research and validated contact reveals.
Free to browse. An account takes a minute to set up.
What Seaham trades
The most frequently declared goods across all 30 businesses in the last six months — useful for picking which trade lanes to prospect.
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)Instruments and apparatus for measuring or checking the flow or level of liquids (excl. meters and regulators)Plates, sheets, film, foil and strip, of non-cellular polymers of ethylene, not reinforced, laminated, supported or similarly combined with other materials, without backing, unworked or merely surface-worked or merely cut into squares or rectangles (Fittings, e.g. joints, elbows, flanges, of plastics, for tubes, pipes and hosesTrays, dishes, plates, cups and the like, of paper or paperboard (excl. of bamboo paper or bamboo paperboard)Rigid tubes, pipes and hoses, of polymers of vinyl chlorideFresh cheese "unripened or uncured cheese", incl. whey cheese, and curdGroats and meal of maize "corn"
Common questions about trade in Seaham
How many businesses import or export from Seaham?
HMRC customs records show 30 businesses in Seaham (SR7) filed declarations over the last six months — 539 import declarations and 227 export declarations in total. This page is rebuilt every 24 hours as new HMRC data is published.
What do Seaham businesses import most?
The most common category is machinery and mechanical appliances. Across all Seaham traders the leading goods are 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), instruments and apparatus for measuring or checking the flow or level of liquids (excl. meters and regulators), plates, sheets, film, foil and strip, of non-cellular polymers of ethylene, not reinforced, laminated, supported or similarly combined with other materials, without backing, unworked or merely surface-worked or merely cut into squares or rectangles (, fittings, e.g. joints, elbows, flanges, of plastics, for tubes, pipes and hoses. You can filter the full list by HMRC category once logged in.
Is trade from Seaham growing?
Import activity is down 6.9% compared with the previous six months. Our model, which reads two years of monthly history, expects the next three months to soften by roughly 12.6%. That figure is our estimate, not an HMRC projection.
How do I get contact details for Seaham importers?
Create an account to see all 30 businesses, open their Companies House records, run AI research on their website and buying signals, and reveal validated email and LinkedIn contacts.
Nearby in County Durham
Other County Durham locations with active customs entries.