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Waste Management Companies in Southampton: 107 Active Firms (2026)
Waste management companies in Southampton collect, transport, treat, recycle and dispose of commercial, industrial and local authority waste.
Buying centres in this Southampton cohort sit with facilities managers, construction and marine operations, local authority teams and industrial sites that need repeat collections, transfer capacity or treatment routes. Sales tend to be operational rather than speculative: customers are buying route reliability, duty-of-care evidence, materials reporting and access to permitted infrastructure. Typical engagements look like contracted collections, site clearances, skip and container services, trade-waste schedules, or specialist treatment arrangements, supported by depot teams, vehicles, weighbridge processes and compliance administration. The lower-mid-market profile matters, because the buyer is usually selecting a supplier able to handle recurring work across the South Coast rather than a narrow disposal job.
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Southampton has 107 actively trading waste management companies in this list, a compact local market rather than a national hub. Reported employment totals 629 people, which fits the operational character of the sector: depot staff, drivers, transfer-station workers, compliance administrators and commercial teams all sit behind the collection and treatment activity. Scale is uneven. 6 companies report turnover above £5M, while 23 were incorporated since 2022, leaving a mix of established operators and newer entrants around construction, commercial, household and marine waste streams.
England’s waste operators work inside a permit- and registration-led regime. Environment Agency and Defra guidance on GOV.UK says a business may need an environmental permit when it uses, recycles, treats, stores or disposes of waste or mining waste; routes include registered exemptions, standard rules permits and bespoke permits. Transport and brokerage activity also brings waste carrier, broker or dealer registration duties, with failure to register exposed to an unlimited fine. For Southampton firms trading beyond England, the compliance map changes at the border, because Northern Ireland, Scotland and Wales run separate registration and permitting routes.
Future competition appears likely to favour operators that can document chain-of-custody, materials handling and customer reporting without slowing day-to-day routing. Smaller firms may keep local collection niches where responsiveness and site knowledge matter, but permit obligations and vehicle costs tend to reward businesses with fuller depots and repeat commercial contracts. Consolidation may come through asset purchases or subcontracting rather than headline acquisitions, particularly where treatment access is scarce. The newer end of the cohort suggests continued entry, though the scarcity of scaled firms points to a market where compliance capacity and operating discipline limit how far many entrants can move.
107
Active firms
2026
6
Over £5M turnover
Southampton firms
23
Formed since 2022
Newer incorporations
Key facts
About 5% of the trading cohort reports turnover above £5M (6 of 107 firms) — the rest sits below that revenue band.
21% of the cohort was incorporated since 2022 (23 firms), so a sizeable share is in its first few filing cycles.
Businesses that use, recycle, treat, store or dispose of waste or mining waste may need an Environment Agency permit in England, with registered exemptions, standard rules permits and bespoke permits used for different activities.
Waste carriers, brokers and dealers must register if they transport waste, buy, sell or dispose of waste, or arrange for others to do so; failure to register can lead to an unlimited fine.
The UK generated 191.2 million tonnes of total waste in 2020, with England responsible for 85% of the total.
Defra reports 25.2 million tonnes of local authority managed waste in England in 2024/25, with 50.3% sent for incineration and 5.5% to landfill.
The UK waste-from-households recycling rate was 44.6% in 2023, below the EU municipal-waste recycling figure of 48%, although the UK and EU measures differ.
Top Southampton Waste Management companies
JAMES HUNTLEY & SONS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides scrap metal recycling and purchasing services, accepting ferrous and non‑ferrous metals including copper, brass, aluminium and steel, as well as scrap vehicles, factory off-cuts and cables,…
Serves consumers and businesses in Southampton and Portsmouth, including vehicle owners, plumbers, factories and trades with unwanted ferrous and non-ferrous scrap metal.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
TAMAS AND BUDAI VISIONS LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Nass South Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong · Growing, Hiring · 125% CAGR over 1y
Location
BALK LTD
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
HAMPSHIRE SKIP BAGS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
FIRST CALL REMOVAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
SOUTHAMPTON GRAB HIRE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -68% CAGR over 4y
Location
NJM METAL RECYCLING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -20% CAGR over 4y
Location
Southampton Scrap Metal Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
SDM Facilities Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · 0% CAGR over 1y
Location
DJ'S CLEANS LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides domestic, commercial and industrial cleaning and environmental services, including asbestos surveys, sampling and removal, specialist deep cleaning, guano removal, garden and property…
Serves private households, industrial and commercial clients, local authorities and housing associations needing specialist cleaning, environmental and asbestos-related support for properties, voids,…
Financial Health
WeakWeak · 0% CAGR over 1y
Location
Container Fumigation Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -10% CAGR over 4y
Location
NELSON PLANT HIRE LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides plant and skip hire alongside construction and waste services, including demolition, groundworks, civil engineering, bulk earthworks, waste recycling and landfill operations, grab hire,…
Serves construction contractors, developers, civil engineering firms and project owners, plus local households and tradespeople seeking skip hire in the Andover and Hampshire area.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Provides waste management and recycling services for construction and commercial clients, including skip hire, waste collection, scrap metal recycling and tipping. Processes construction and…
Serves construction contractors and developers, commercial organisations, event operators, households, builders and civil engineering firms across waste, aggregates and concrete markets.
Location
WALTET MATERIALS LIMITED
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides waste management and recycling services including skip hire, grab and tipper lorry hire, muckaway and third‑party tipping. Supplies primary and recycled aggregates, road planings and bulk…
Serves domestic customers, construction and landscaping trades, industrial sites and commercial organisations across Hampshire and the surrounding South of England.
Financial Health
StableStable · Profitable · -3% CAGR over 1y
Location
SOLENT SKIP HIRE LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides skip hire and waste removal services for domestic and commercial customers. Offers skips in multiple sizes, tonne bags, and wait‑and‑load services for construction debris, household…
Serves homeowners, DIY renovators, builders, tradespeople and commercial customers needing waste removal across Southampton and nearby parts of Hampshire, Dorset and Wiltshire.
Financial Health
DistressedDistressed · -4% CAGR over 4y
Location
NEW FOREST METAL RECYCLING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates a scrap metal recycling yard that buys waste metals and end‑of‑life vehicles from households and businesses. Provides scrap metal collection, vehicle collection, dismantling, and skip hire…
Serves domestic customers and business clients around New Forest and Southampton, including people with scrap vehicles or metal, commercial premises needing clear-outs, and garages with regular scrap…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
RINGWOOD AND FORDINGBRIDGE SKIP HIRE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides skip hire for domestic and commercial waste, offering mini to roll‑on‑roll‑off skips, wait‑and‑load services, grab bags, and man‑and‑van collections. Also collects and recycles scrap metal…
Serves local homeowners, builders, construction trades and commercial customers needing skip hire, waste collection, scrap metal recycling and disposal across Ringwood, Bournemouth, Salisbury and…
Financial Health
StableStable · 1% CAGR over 4y
Location
S METAL RECYCLING LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsOperates a scrap metal recycling yard purchasing ferrous and non‑ferrous metals from domestic and commercial customers. Provides vehicle scrappage for cars and light commercial vehicles, metal…
Serves domestic and commercial customers in Romsey, Southampton and Hampshire, including car and van owners, households with scrap metal, building sites, and businesses needing industrial clearance…
Financial Health
HealthyHealthy · -76% CAGR over 3y
Location
RESCUE ROD GROUP HOLDINGS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides liquid waste management and drainage services including septic tank and cesspit emptying, grease trap cleaning, wet waste collection, drain unblocking and repair, and installation of sewage…
Serves homeowners, small and large businesses, and local authorities across Andover and the South of England, including domestic properties and commercial sites with septic, cesspit, grease trap or…
Financial Health
DistressedDistressed · -68% CAGR over 4y
Location
LG&P LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides commercial and industrial waste management services including waste collection, transport and recycling, hazardous and oily waste handling, skip and roll‑on roll‑off hire, drainage and tank…
Serves B2B industrial and commercial waste producers, including multi-site organisations and port-based maritime operators at Portland Port with regulated, hazardous, oily, wet and recyclable waste…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides waste management services including skip hire, roll-on roll-off containers, wheelie bins and tonne bags, waste collection and recycling. Also supplies recycled and primary aggregates,…
Serves B2C and B2B customers in Hampshire, including homeowners, tradespeople, construction projects, event organisers and businesses requiring site facilities, waste handling and aggregate supplies.
Financial Health
StableStable
Location
NEWBOURNE FARM COMPOSTING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProcesses green waste into compost and blended topsoil products. Supplies bulk compost and soil products for agriculture, landscaping and gardening, and provides green waste recycling and composting…
Serves agricultural, landscaping and gardening customers seeking bulk compost and blended topsoil, and works with green-waste suppliers across Hampshire, Wiltshire and Dorset.
Financial Health
WeakWeak · -67% CAGR over 4y
Location
So Recycle Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsPurchases and collects waste paper, cardboard and plastic film from businesses for recycling. Provides waste collection using bins, skips and bale collections, as well as confidential document…
Serves businesses that generate waste paper, cardboard, plastic film and confidential documents, including offices, print industry companies, retailers and commercial sites with ongoing recycling or…
Financial Health
WeakWeak · Hiring · 10% CAGR over 2y
Location
NEW MILTON SAND AND BALLAST LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsExtracts, processes and supplies aggregates and bulk fill materials, and produces ready‑mixed concrete. Operates builders’ merchant depots selling construction and landscaping materials, soils and…
Sells to trade and retail customers across East Dorset and Hampshire, including construction firms, landscapers, builders, homeowners, professional sports grounds teams and horticultural buyers…
Financial Health
WeakWeak · -90% CAGR over 2y
Location
R&W Environmental Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recycling and waste management services, including haulage and wet waste facility operations. Supports civil engineering and construction projects by handling material recovery, transport,…
Serves B2B and public-sector clients needing environmental and civil engineering support, including construction contractors, infrastructure project teams, and organisations seeking recycling,…
Financial Health
StableStable · -10% CAGR over 4y
Location
Island Environmental Hygiene Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides collection and disposal services for clinical, sanitary, hazardous, pharmaceutical and non-hazardous healthcare waste. Handles items such as sharps and medical waste and supplies…
Serves B2B and public-sector organisations on the Isle of Wight requiring sanitary, clinical, pharmaceutical, sharps and non-hazardous waste collection, including healthcare providers, schools, care…
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
DRAINTECH TANKERS.COM LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides liquid waste management and drainage services including septic tank and cesspit emptying, grease trap cleaning, wet waste collection, drain unblocking and repair, and installation of sewage…
Serves homeowners, small and large businesses, and local authorities across the South of England with liquid waste, septic, cesspit, grease trap and drainage needs.
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 2y
Location
C.A. STEVENS & SONS (TRANSPORT) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsSupplies building and construction aggregates, sub‑base materials, sand, soil and decorative stone to trade and public customers. Provides bulk haulage, grab lorry services, and inert waste…
Serves trade customers, contractors and DIY consumers needing aggregates, haulage or inert waste services, with collection or delivery across Hampshire, Wiltshire, Berkshire and Dorset.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
Provides waste management services including collection, treatment and disposal of household sewage and industrial waste. Handles hazardous, chemical, clinical and oil waste, drainage and interceptor…
Serves homeowners with private sewage systems and UK organisations needing waste management, including industrial, commercial, laboratory, clinical, marine, forecourt and construction-related sites.
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides waste management services for households and businesses, including collection, treatment, recovery and disposal of sewage, hazardous, chemical and oil wastes. Also offers septic tank…
Serves UK homeowners with private sewage systems and B2B organisations managing industrial or commercial waste, including laboratories, healthcare sites, marine operators, forecourts and businesses…
Financial Health
StableStable
Location
ATG Services (England) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental remediation and waste management services including land and contaminated water remediation, invasive plant eradication, and spill response. Supports construction, property and…
Serves property developers, construction firms, project managers, architects, insurers, ports, local authorities, oil and gas operators, airports, fire stations, facilities managers, housing…
Financial Health
StableStable · 0% CAGR over 4y
Location
Aquavitrum Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures equipment for material recycling facilities and operates glass recycling processes that recover contaminated MRF glass, removing impurities and producing recycled glass…
Serves waste management companies, material recycling facilities and businesses with contaminated glass or similar waste streams, plus aggregate and insulation market buyers seeking recycled glass…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
TEST VALLEY WETLANDS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
INERT RECYCLING (SUSSEX) LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable · 0% CAGR over 1y
Location
RMS Waste Disposal Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -2% CAGR over 4y
Location
VENTURA RECYCLING (BROKERS) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
L R Jones Scrap Metal Merchants Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
S J H RECYCLING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -68% CAGR over 4y
Location
Ersa Recycling Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
ZERO WASTE GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
Location
RM LIQUID DISPOSAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides liquid waste collection and disposal services for domestic and commercial customers. Services include septic tank emptying, cesspit emptying, grease trap cleaning, and tanker-based waste…
Serves domestic homeowners and commercial customers, including retail and hospitality businesses, needing liquid waste services across Dorset, Wiltshire, the New Forest and surrounding BH, DT and SP…
Financial Health
HealthyHealthy · -70% CAGR over 4y
Location
Provides waste management services including collection, treatment, recovery and disposal of household and industrial waste. Services include septic tank and cesspit emptying, hazardous and chemical…
Serves UK householders, homeowners with cesspit or septic tank needs, and organisations needing industrial, commercial, hazardous, drainage, sewage, oil, clinical or total waste management services.
Location
Ecogen Recycling Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides commercial waste recycling services for businesses, including collection and processing of paper, cardboard, plastics and expanded polystyrene. Also offers bulk recycling, secure document…
Serves UK businesses with commercial recyclable waste, including organisations handling bulk paper, cardboard, plastics, EPS, and confidential documents that need nationwide collection and compliant…
Financial Health
StableStable · -2% CAGR over 2y
Location
Pringle Reclaim Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides grab lorry and tipper hire for construction and landscaping projects, offering muckaway and site clearance services and supplying aggregates and topsoil including crushed concrete,…
Serves construction and site-work customers in the South of England, including contractors and project teams managing building, excavation or groundwork sites of varying access and scale.
Financial Health
HealthyHealthy · 62% CAGR over 3y
Location
WILLIAMS OF BORDON LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides tipper truck hire, excavation and demolition services for construction projects. Supplies and delivers materials including crushed concrete, hardcore, topsoil and recycled aggregates, and…
Serves trade customers and the public across Hampshire, Surrey and West Sussex, including contractors, builders, developers and domestic project owners.
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recycling and waste management services for businesses and the public, specialising in plastic, cardboard and expanded polystyrene (EPS). Collects and processes recyclable materials,…
Serves commercial and industrial businesses across the UK with plastic, cardboard, EPS, wheelie bin and pallet waste streams, plus individuals using an Andover facility for cardboard and plastics.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
G FARWELL LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides skip hire and waste removal, plant and machinery hire, and haulage of aggregates, timber and equipment. Supplies aggregates, timber and fencing products, operates a sawmill, and carries out…
Sells to residential and commercial customers needing skip hire, groundworks, aggregates, timber and fencing, plus haulage and plant hire. Targets construction, waste, forestry and land management…
Financial Health
WeakWeak · -1% CAGR over 2y
Location
INVINCIBLE DRAIN CARE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and drainage services including blocked drain clearance, high‑pressure jetting, CCTV drain surveys, pipe repair and relining, gutter cleaning, sewer inspection, waste liquid…
Serves commercial, industrial and facilities management customers across the UK, including safety- and security-conscious sites requiring accredited contractors for planned and emergency site work.
Financial Health
HealthyHealthy · -2% CAGR over 2y
Location
INERT RECYCLING UK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
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How Southampton Waste Management companies work and how to sell to them
What they do
Southampton waste operators usually earn through a mix of recurring service charges, per-lift pricing, skip and container hire, gate fees, treatment charges and one-off site-clearance work. The service is physical and asset-heavy, but the sellable output is often proof as much as collection: duty-of-care paperwork, weighbridge records, consignment evidence and materials reporting. Margins tend to depend on route density, vehicle use, access to permitted transfer or treatment capacity, and the ability to match waste streams to the right outlet. Contracted commercial collections provide the steadier base, while construction, industrial and marine jobs can add project-led revenue with tighter operational constraints.
Who they sell to
Most sell to operational buyers rather than abstract budget holders. Facilities managers, estates teams, construction site managers, marine operations staff, local authority officers and industrial procurement teams are typical contacts, with finance involved where multi-site or longer-term contracts are being agreed. Smaller trade customers may buy directly by phone, web enquiry or local referral, while larger commercial and public-sector accounts tend to use quotes, framework routes or tender processes. Sales cycles are usually shorter for skips and ad hoc clearances, and longer where the buyer needs compliance checks, service-level commitments, reporting formats or evidence that waste can be handled through permitted routes.
What they buy
Most waste management firms tend to spend on tools and services that keep vehicles moving, paperwork defensible and depots under control. Relevant categories include fleet scheduling, route planning, telematics, weighbridge systems, job management, CRM, invoicing, compliance tracking, customer portals, document storage, analytics and health-and-safety training. Operators with transfer, treatment or recycling activity may also need maintenance support, plant hire, testing, environmental consultancy and permit advice. Recruitment services can fit where drivers, yard staff, compliance administrators or commercial managers are hard to retain. Marketing spend is often local and intent-led, so search visibility, trade directory presence and account-based outreach can matter more than broad brand work.
Why and how to sell to them
Waste management buyers tend to evaluate suppliers when operational friction becomes visible: missed collections, manual paperwork, permit pressure, rising vehicle costs, new depot activity, a public-sector tender, or a larger customer asking for better reporting. Outbound angles work better when tied to a specific operating cost or compliance risk rather than generic efficiency claims. A pitch that shows faster proof of collection, fewer billing disputes, clearer duty-of-care trails or better route utilisation is easier to test. Newer entrants may be receptive when moving from owner-managed scheduling to repeat contracts, while more established operators may care more about audit readiness, subcontractor control and margin by waste stream.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Also in Southampton
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Frequently asked questions
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How is this list built and how fresh is the data?
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