Company Index - Z
- Z & B Construction Ltd. - Gravesend
- Z & D Co. - London
- Z A C Decors - Caerphilly
- Z Cars Ltd - Hull
- Z Design Ltd - Ringwood
- Z Design Ltd. - Ringwood
- Z E D Systems - Worcester
- Z Hinchliffe & Sons - Dalry
- Z Hinchliffe & Sons Ltd. - Huddersfield
- Z L G Consulting Ltd - Peterborough
- Z L R Ltd - London
- Z L T Automation Ltd. - Brackley
- Z Led Ltd. - Sale
- Z M T Services Ltd. - Exeter
- Z Mesh - Wolverhampton
- Z Mini Market - Nelson
- Z Munter (Farms) Ltd. - Eye
- Z N Electro Surgical - Newcastle upon Tyne
- Z S Bodies Ltd. - Leicester
- Z Saunders - Walton on Thames
- Z Signs Uk Ltd - Penarth
- Z Spars International Ltd. - Ipswich
- Z T F Power - Littlehampton
- Z T W - Hemel Hempstead
- Z Tech Mobility - Brierley Hill
- Z-Guard (London) Ltd. - South Shields
- Z-LASER Optoelektronik GmbH - Abercarn
- Z-Tech Control Systems Ltd - Cambridge
- Z-Three - London
- Z.Z.L Ltd - Chesterfield
- Z/Yen Group Ltd. - London
- Zaavia Ltd - Ilford
- Zabou Casualwear Ltd. - Preston
- Zabou Clothing Co Ltd - Preston
- Zac Network - Bristol
- Zacharia Jewellers - London
- Zacs Computer Services - Worthing
- Zadek Ewing - London
- Zadia Ltd. - Mitcham
- Zafa Price - Leicester
- Zafire Aviation Software Ltd - Banbury
- Zafron Foods Ltd - Mitcham
- Zagabria Medical Ltd - Hove
- Zagota - Leeds
- Zagota Hygiene co uk - Wakefield
- Zaha Hadid - London
- Zaha Hadid Ltd - London
- Zahn Dental (Sheffield) - Sheffield
- Zahn Laboratories - Gillingham
- Zahra Brown - London
- Zahrah Ltd. - Hove
- Zahran Ltd - Gerrards Cross
- Zaico Construction Ltd - Alnwick
- Zaidi and Co Chartered Accountants - London
- Zaika Food Products - Bradford
- Zair Pottery - Bristol
- Zak Designs Ltd. - Tamworth
- Zak Enterprises Ltd. - Liverpool
- Zakaninki Projects Ltd. - London
- Zakaria Chemical Industries Ltd - Plymouth
- Zakaria Fashions - Bolton
- Zakhem Construction (U K) Ltd. - London
- Zakka Products Ltd. - Brentford
- Zakmount Development Ltd - Bristol
- Zaks Bus & Coach Services - Birmingham
- Zalti Control Systems Ltd - Altrincham
- Zam Zam Knitwear - Manchester
- Zaman S A - Oldham
- Zaman Textiles Ltd - Birmingham
- Zamans B B Q & Naan Kebabs - Bradford
- Zambelli Friend Ltd. - Banstead
- Zamo Household Products Ltd. - London
- Zan Ltd. - Sandbach
- Zanart Ltd - Stirling
- Zanders Jewellers - Hamilton
- Zandre Web - Great Yarmouth
- Zanetti & Co. Ltd. - Bristol
- Zanogen (Uk) Ltd. - Bakewell
- Zanos Ltd - Knutsford
- Zantec Catering & Refrigeration Services Ltd. - Stockport
- Zantis and Co - Brighton
- Zanza Healthcare Ltd - Bootle
- Zanza Laboratories Ltd - Bootle
- Zap Art - London
- Zap Controls - Cannock
- Zap Controls Systems Ltd - Cannock
- Zap Ltd. - Chorley
- Zapp (Gb) - Sheffield
- Zapp (GB) Ltd - Sheffield
- Zapp Canopy Umbrellas Ltd - Chippenham
- Zappak (U K) Ltd. - Honiton
- Zappak Uk Ltd - Honiton
- Zara Birmingham (Birmingham) - Birmingham
- Zara Home Uk Ltd. - London
- Zara Mama Foods - London
- Zara's - Harrow
- Zarax (Uk) Ltd - Coventry
- Zarbi Ltd - Wirral
- Zarges UK Ltd - Bletchely
- Zargos Persian Carpets & Tribal Rugs - Narberth
- Zaria Consultants Ltd. - Luton
- Zarifeh Magnet Therapy Ltd - Bagshot
- Zaris Strategic Solutions Ltd - Bournemouth
- Zarka Marble Ltd (Watlington) - Watlington
- Zarlink Semiconductor Ltd. - Swindon
- Zarvis London Ltd - London
- Zarywacz - Ilfracombe
- Zaun Ltd. - Wolverhampton
- Zaun Ltd. - Wolverhampton
- Zaytun Printers - London
- Zcomax (U K) Ltd. - London
- Zeaba Solutions Ltd. - London
- Zeag (Uk) Ltd. - London
- Zeal Clean Supplies Ltd. - London
- Zeal Diagnostics Ltd - London
- Zeal Electronics Ltd - Chesterfield
- Zeal Products Ltd. - Kidderminster
- Zealand James & Co. - Princes Risborough
- Zeale John O - Exeter
- Zealousweb Technologies - Twickenham
- Zeataline Projects Ltd. - London
- Zeatz Hofmann Uk - Mansfield
- Zeatz-Hofmann - Chesterfield
- Zeatz-Hofmann - Mansfield
- Zeb Uk Ltd - Birmingham
- Zebedee A G & Sons - Fordingbridge
- Zebedee Associates Ltd - Hayes
- Zebedee Creations Ltd - London
- Zebedee Shops - Southend on Sea
- Zebedee W R - Fordingbridge
- zebNet Ltd - Birmingham
- Zebra Business Services Ltd - Wigan
- Zebra Computers Ltd - Birmingham
- Zebra Graphic Reproductions - Peterborough
- Zebra Pen (U K) Ltd. - Surbiton
- Zebra Sign - London
- Zebra Technical Recruitment Ltd - Berkhamsted
- Zebra Technologies Europe Ltd. - Bourne End
- Zebra Technologies Preston Ltd. - Preston
- Zebra U N O Ltd. - Wolverhampton
- ZebraHosts Ltd - Newcastle upon Tyne
- Zebramodels Ltd. - London
- Zed Books Ltd. - London
- Zed Car Hire - London
- Zed Developments Ltd - Glasgow
- Zed Developments Ltd - Glasgow
- Zed One Marketing - Ely
- ZED Support Ltd - Banstead
- Zed Zed Productions Ltd - Milton Keynes
- Zedal Building Services Ltd. - Nottingham
- Zedbox - Dartford
- Zedi Ltd. - Northampton
- Zedoary - Southampton
- Zedpro Solutions Ltd. - London
- Zedtech - Dewsbury
- Zedzfoods - Llanfyllin
- Zee Associates - Uckfield
- Zee Beds - London
- Zee Online - Coventry
- Zee Tec - Edgware
- Zeefax Ltd. - London
- Zeeko Ltd - Coalville
- Zeelandia Holdings (U K) Ltd - Billericay
- Zeelandia Ltd. - Billericay
- Zeetec - Edgware
- Zeffire Ltd - Rochdale
- Zefiros Too Ltd - London
- Zeflux - London
- Zehnder Clean Air Solutions - Camberley
- Zein Ltd - Swindon
- Zeina Foods Ltd. - Ossett
- Zeinxsmedia Web Design Manchester - Manchester
- Zeitgeist Watches Ltd - Liverpool
- Zeitlauf Gearmotors Ltd - Buckingham
- Zelinda Ltd - Wallingford
- Zelix Ltd - Bath
- Zell-Em Ltd. - Blackpool
- Zell-Metall Engineering Plastics Ltd - Telford
- Zella Instrumentation & Control Ltd. - Newark
- Zeller Design Ltd. - Kettering
- Zeller+Gmelin Uk Ltd. - Grays
- Zelma Services - Blackwood
- Zemaye Consult Ltd - Luton
- Zen Architectural Fittings Ltd. - London
- Zen Bathrooms Ltd - Morden
- Zen Consulting - Bath
- Zen Internet Ltd. - Rochdale
- Zen Motor Factors - Sandwich
- Zen Pilates Studio - Chesham
- Zen Production Equipment Ltd - Oldham
- Zena Cosmetics (U K ) Ltd. - Helston
- Zenca Ltd. - Huddersfield
- Zeneca - Grangemouth
- Zeneca Ltd - Macclesfield
- Zenergy Power Plc - London
- Zenex Technologies Ltd. - Tavistock
- Zeni Shpk - Nottingham
- Zenick Group - Poole
- Zenick Group Ltd - Bournemouth
- Zenitel U K Ltd. - Crawley
- Zenith Aerial Platforms Ltd. - Oswestry
- Zenith Blinds Ltd. - Hayes
- Zenith Business Consultancy Ltd - Wigan
- Zenith Clothing Ltd. - Harrogate
- Zenith Construction Ltd - Leicester
- Zenith Consulting Associates Ltd - Ipswich
- Zenith Corporate Communications Ltd. - London
- Zenith Doors Industrial Ltd. - Newton Abbot
- Zenith Engineering (Chesterfield) Ltd. - Chesterfield
- Zenith Garage Doors Ltd - Newton Abbot
- Zenith Houseware & Hotelwares - Telford
- Zenith Hygiene Group Plc - Hatfield
- Zenith Hygiene Systems Ltd. - Hatfield
- Zenith Industrial Products Ltd. - Douglas
- Zenith International Ltd. - Bath
- Zenith Land Surveys Ltd. - Cardiff
- Zenith Multimedia Services - Potters Bar
- Zenith Nursery - Evesham
- Zenith Oilfield Technology - Inverurie
- Zenith People Ltd - Hebburn
- Zenith Plastic Developments Ltd. - Leeds
- Zenith Print & Packaging Ltd. - Pontypridd
- Zenith Print (U K) Ltd. - Cardiff
- Zenith Promotions Ltd - Newcastle upon Tyne
- Zenith Pump Engineering Ltd - Stoke on Trent
- Zenith Reach I T Solutions - Manchester
- Zenith Services (Uk) Ltd - Stockton on Tees
- Zenith Staybrite Ltd - Norwich
- Zenith Survey - Salford
- Zenith Survey Equipment Ltd. - Ossett
- Zenith Technologies - Warrington
- Zenith Textiles Services - Harrogate
- Zenith Tool Hire - Rochdale
- Zenler UK Office - London
- Zenlike Studios - Nuneaton
- Zenloc Security Systems Ltd - Crawley
- Zenna Ltd - Cardiff
- Zennar Ltd - Looe
- Zenner - Westerham
- Zeno Laptops - Bournemouth
- Zenoconsult Co. Uk - Cheltenham
- Zenon Recruitment Ltd - Guildford
- Zenopa Ltd. - High Wycombe
- Zenopa Recruitment - High Wycombe
- Zenopac Ltd - Walton on Thames
- Zense - Bristol
- Zentec Ltd - Newark
- Zentech International Ltd. - London
- Zentek Solutions Ltd. - Bolton
- Zenteum Ltd. - Crewe
- Zentron Instruments Ltd - Market Drayton
- Zentura - Saxmundham
- Zenzero Solutions Ltd - Warwick
- Zeon Chemicals Europe Ltd. - Penarth
- Zeon Enterprises - London
- Zeon Health UK Ltd - Birmingham
- Zeon Healthcare Ltd - Bicester
- Zeon Healthcare Ltd. - Cheltenham
- Zeon Ltd. - London
- Zeotropic Air Ltd - Wembley
- Zepf Technologies - Cumbernauld
- Zephyr Consultancy Ltd - Oldham
- Zephyr Ducts & Fittings Ltd. - Leighton Buzzard
- Zephyr Racing Pennants Ltd. - Kettering
- Zephyr Security Ltd - Colchester
- Zephyr TVC - Kettering
- Zephyr Water Treatment Services Ltd. - Bath
- Zephyros Systems Ltd - Pudsey
- Zeppelin Steel Ltd. - Kirkcaldy
- Zeppelin Systems - Ottery St Mary
- Zeppelin Systems Ltd - Nottingham
- Zeralynx Print Direct Ltd - Taunton
- Zeris Electronic Solutions Ltd - Newark
- Zero 1 - Buxton
- Zero 1 Exhibitions - Walsall
- Zero 7 Solutions - Stevenage
- Zero 88 Lighting Ltd - Cwmbran
- Zero Carbon Marine Ltd. - South Molton
- Zero Cases (UK) Ltd - Smethwick
- Zero Clips Ltd - Birmingham
- Zero Collective Ltd - St Albans
- Zero Environment Ltd. - Warwick
- Zero Fiftyone - Peacehaven
- Zero Hydraulics Ltd. - Belfast
- Zero Seven Telecom - Barnstaple
- Zero Signs & Digital - Crewe
- Zero Tubing & Accessories Ltd. - Sutton Coldfield
- Zero-One Design Ltd. - Tamworth
- Zero-Time Web and Media Services - Newcastle upon Tyne
- ZERO72 - Nottingham
- Zerographic Systems Ltd. - Stafford
- Zerothree Exhibitions Ltd - Maidenhead
- Zerust UK Ltd - Spennymoor
- Zest - Manchester
- Zest Aromatics Ltd. - Market Rasen
- Zest Audio Ltd - Lisburn
- Zest Cleaning Supplies Ltd - Northampton
- Zest Interactive SEO Services - Chester
- Zest Recruitment Services - London
- Zest Recruitment Solutions Ltd - Leicester
- Zest Recruitment Solutions Ltd. - Stamford
- Zest ST Plc - Chatham
- Zestmead Ltd - Lowestoft
- Zestpace Ltd - Slough
- Zeststreet Ltd - Berkhamsted
- Zeta Commerce Ltd - Poole
- Zeta Compliance Services Ltd. - Bicester
- Zeta Controls Ltd. - Bicester
- Zeta Cool (Redhill) - Redhill
- Zeta Cool Ltd. - Surbiton
- Zeta Digital Agency - Poole
- Zeta Plastic Components Ltd. - Dewsbury
- Zeta Printing Services - Stonehouse
- Zeta Windings Ltd. - Isleworth
- Zeta-pdm Ltd - Newport (IOW)
- Zeta-Tec - Durham
- ZetaCool Ltd - Isleworth
- Zetec Handling - Rochdale
- Zetechtics Ltd. - York
- Zetes Holdings Ltd. - Manchester
- Zetica Ltd. - Witney
- Zetland Boxes Ltd - York
- Zetland Marine Services - Shetland
- Zetmet Ltd - Warrington
- Zetnet Ltd - London
- Zettlex (UK) Ltd - Cambridge
- Zettlex Printed Technologies Ltd - Cambridge
- Zetus Ltd - Thatcham
- Zeus Engineering & Maintenance - Exeter
- Zeus Engineering Co. Ltd. - Airdrie
- Zeus Hydratech Ltd - Stoke on Trent
- Zeus Industrial Products - Donegal
- Zeus Media Ltd - Birmingham
- Zeus Metal Fabrications - Uxbridge
- Zeus Packaging (Uk) Ltd. - Stevenage
- Zeus Packaging Group - Cork
- Zeus Packaging Group - Dublin
- Zeus Packaging Ltd - Newtownabbey
- Zeus Products - Clacton on Sea
- Zeus Public Relations Ltd - Congleton
- Zexia Access Ltd. - Oxford
- Zeya Holdings (Halstead) Ltd. - Halstead
- ZF Electronics UK Ltd - Luton
- Zf Lemforder Uk Ltd. - Wednesbury
- Zfl - Newcastle upon Tyne
- ZG Upholstery Ltd - Coventry
- Zgt Ltd - London
- Zhejiang Jipai Garment Co., Ltd. - Chester
- Zhermack - Melton Mowbray
- Zi-Clone Multimedia - Walsall
- Zi-Fi Technology Ltd - Sunderland
- Zialor & Sons Ltd - Southend on Sea
- ziDigital - London
- Ziebe Ltd - Aylesbury
- Ziebel Uk Ltd. - Inverurie
- Ziegler Farms Ltd. - Wetherby
- Ziegler International Ltd. - Cambridge
- Ziehl Abegg - Chelmsford
- Ziel - Colchester
- Zig Zag (Gb) Ltd. - Manchester
- Zig Zag Access Ltd - Leeds
- Zig Zag International Ltd - Leeds
- Zig Zag Lighting Ltd - Leeds
- Zig Zag Music Productions - Huntingdon
- Zigbee Modules - Ruislip
- Zigger - Leatherhead
- Ziggurat - London
- Ziggurat Architectural Design - Bicester
- Ziggurat Ltd. - Chester
- Zighrett Recruitment - Lincoln
- Zigma Ground Solutions Ltd - Stansted
- Zignig Wholesale Packaging - Swindon
- Zigzag Bunting Ltd - Andover
- Zigzak Computers - Arbroath
- Ziing Ltd - Bridgend
- Zik Zak - York
- Ziko's Ceramics Ltd - Worthing
- Zilica Europe - Maidenhead
- Zillwoods Ltd - Southampton
- Zimed Ltd. - St Asaph
- Zimmer + Rohde U K Ltd - London
- Zimmer Ltd. - Swindon
- Zimtech Services Ltd - Waltham Cross
- Zimtech-Distributors - Leeds
- Zina Chemist Ltd (Kenley) - Kenley
- Zinc Counters Ltd. - Harrogate
- Zinc Digital - Northampton
- Zinc Web Internet - Peterhead
- Zincast Foundry Ltd. - Willenhall
- Zinco (Midlands) Ltd - Walsall
- Zinco UK Limited - Hereford
- Zinda Metals - Ilkeston
- Zinet Ltd. - Northampton
- Zing Design & Print - Coleraine
- Zinga UK - Irvine
- Zingaro Designs Ltd. - High Wycombe
- Zinshear Ltd - South Croydon
- Zinsser Analytic (U K) Ltd. - Maidenhead
- Zinsser Uk - Wetherby
- Zintec Feed Supplements - Leominster
- Zintech Ltd - Poole
- Ziona Strelitz Associates - London
- Zionly - Hastings
- Zip - Congleton
- Zip 'N' Tuck - Burgess Hill
- Zip Despatch - Manchester
- Zip Direct Mail and Print Ltd - Chesham
- Zip Heaters (Halifax) - Halifax
- Zip Heaters (U K) Ltd. - Dereham
- Zip Imagesetters Ltd. - Romsey
- Zip Kart Ltd - Hoddesdon
- Zip Pack Packaging Technology Ltd. - Doncaster
- Zip Projects Ltd - Cambridge
- Zip Textile Services Ltd - Birmingham
- Zip Tool Hire Centre - Leicester
- Zip Zap Computers Ltd. - Lincoln
- Zip-Clip - Newtown
- Zipex (U K ) Ltd. - Leicester
- Zipfence Ltd - Aberdeen
- Zipher Ltd - Nottingham
- Zipp Interiors - Braintree
- Zippo UK Ltd - London
- Zipps Workwear - Richmond
- Zippy (Uk) Ltd. - Leek
- Zippy Locksmiths - Barnet
- Zippy Skips - Rochester
- Zippydata Ltd - London
- Zips & Things - Harrow
- Zircom Data Communications Ltd. - Bromsgrove
- Zircon Communications Ltd. - Gerrards Cross
- Zircon Construction - Bristol
- Zircon Consultants - Harpenden
- Zircotec - Abingdon
- Zisman Bowyer & Partners - Richmond
- Zisys Avmn Ltd - Irvine
- Zisys Ltd. - Irvine
- Zitech Solutions Ltd - North Shields
- Zm Architecture Ltd - Glasgow
- Zmags - Croydon
- Zmarties Ltd - London
- Znd (UK) Ltd. - Rotherham
- Zocon Construction Ltd. - Banbury
- Zodiac Computers - Birmingham
- Zodiac Consulting (Uk) Ltd. - Derby
- Zodiac Designs Ltd. - Coventry
- Zodiac Eyewear Ltd. - Stockport
- Zodiac Farms Ltd. - Warminster
- Zodiac Industries Ltd - Bolton
- Zodiac International (London) Ltd - Harrow
- Zodiac Recruitment & Business Services Ltd. - Loughborough
- Zodiac Security Ltd - Montacute
- Zodiac Travel Ltd - Brockenhurst
- Zodiac Windows - Ammanford
- Zodion Ltd. - Sowerby Bridge
- Zodion Wholesale Distribution Ltd - Sowerby Bridge
- Zoe Clark Cakes - London
- Zoe Davies - Ely
- Zoeftig Ltd. - Bude
- Zoeller Waste Systems Ltd. - Redditch
- Zoetrope Career Planning - Nottingham
- Zoggs International Ltd. - Lightwater
- Zohra Enteripries - Lancaster
- Zok International Group Ltd. - Midhurst
- Zoki U K Ltd. - Birmingham
- Zolatone Polomyx Ltd - Bishops Stortford
- Zolex I T Ltd. - Porthcawl
- Zolitayre Ltd. - Yeovil
- Zoll Medical U K Ltd. - Runcorn
- Zollern UK Ltd - Kenilworth
- Zollner Uk Ltd. - Leeds
- Zoltan Engineering Co. Ltd. - Rugby
- Zomar Developments Ltd. - Craigavon
- Zombie PC's - Salisbury
- Zombory Moldovan Moore - London
- Zon International Ltd. - Edgware
- Zona Interlink Ltd - Liverpool
- Zonal Fire Services - Leicester
- Zonal Retail Data Systems Ltd. - Edinburgh
- Zone - Glasgow
- Zone Architects - Edinburgh
- Zone Broadband - Bridlington
- Zone Business Solutions Ltd - Sheffield
- Zone Cee Ltd. - Birmingham
- Zone Contractors Ltd. - Birmingham
- Zone Developments Ltd - Fordingbridge
- Zone Graphics - Tonbridge
- Zone Innovation Ltd - Birmingham
- Zone Power Ltd - Diss
- Zone Precision Components Ltd. - Chatham
- ZONE1 Electric Motors - Bridgend
- ZONE6 Electronics - Newbury
- Zoneacross Ltd. - Leeds
- Zoneaero Ltd - High Wycombe
- Zonefollow Ltd. - Ramsgate
- Zonegreen - Sheffield
- Zoneplant Ltd. - Ellon
- Zonesleep - Royston
- ZoneTech - Reading
- Zonner Industries Ltd - Caerphilly
- Zoo Digital Group Plc - Sheffield
- Zoo Signs and Design Ltd - Camberley
- Zoo Solutions Ltd - Nottingham
- Zoo Studios Ltd - London
- Zoocha - Hertford
- Zook Europe Ltd. - Sheffield
- Zoom (U K) Ltd. - Wembley
- Zoom Boom - Elland
- Zoom C C T V (North East) Ltd - Washington
- Zoom C C T V Ltd. - Wigan
- Zoom Fulfilment Services Ltd - Cleator Moor
- Zoom Multimedia - Birmingham
- Zoom Office Equipment - Wareham
- Zoom Personnel Ltd - Dorking
- Zoom Vehicle Collection and Delivery - Chester
- Zoomedia Ltd - London
- Zoomphase Ltd. - London
- Zoonami Ltd. - Cambridge
- Zoonou Ltd - Eastbourne
- Zoopit - Torquay
- Zoosh Media Ltd - Preston
- Zoot Office Furniture Brokers Ltd. - Bristol
- Zoptic Ltd. - Bodmin
- Zoran (Uk) Ltd. - Manchester
- Zorba Delicacies Ltd - Ebbw Vale
- Zorba Delicacies Ltd - London
- Zorba the Greek Ltd - Camborne
- Zornos Hangers & Textiles Ltd. - Manchester
- Zorstec - Shipley
- Zosterops Ltd - Farnham
- Zot Engineering Ltd. - Musselburgh
- Zotefoams plc - Croydon
- Zotic Holdings Ltd. - Birmingham
- Zouch Converters Ltd - Nottingham
- zouping century daixi trading co.,ltd. - Aberdovey
- Zoux Ltd - Billericay
- Zpm Ltd - Richmond
- Zs Associates International Inc - London
- Zs Partnership Ltd - Birmingham
- Zsah Ltd - London
- Zsig Sports Ltd - Stockport
- Ztm Design Ltd - Solihull
- Ztm Design Ltd. - Solihull
- Zuber London Ltd. - London
- Zucom - Hove
- Zuidam Uk Ltd - Tewkesbury
- Zuken Ltd. - Bristol
- Zulogic Ltd - Tonbridge
- Zulu Creative - Sutton Coldfield
- Zulu Marketing Solutions Ltd - Sutton Coldfield
- Zulu Online Recruitment Ltd. - Congleton
- Zulu Packaging Ltd - Tunbridge Wells
- Zumbach Electronics Ltd. - Newport Pagnell
- Zumm Creative - Manchester
- Zumm Logistics Ltd - London
- Zumm Ltd - Manchester
- Zummo Uk Ltd - Keighley
- Zund Plotting Systems (UK) Ltd - St Albans
- Zundel Ridge Consultants Ltd - Marlborough
- Zunsport Ltd - Walsall
- Zup Badura Ltd - Wigan
- Zureale Associates - Towcester
- Zurich Employment Services Ltd - Swindon
- Zurich Engineering's Laboratory Services - Birmingham
- Zurich Financial Services - Portsmouth
- Zushi Games Ltd - Sheffield
- Zussman Bear - Newbury
- Zussman Bear Partnership Ltd. - Richmond
- Zwetsloot - Inverness
- Zwick Testing Machines Ltd - Leominster
- Zwilling J A Henckels (Uk) Ltd - St Albans
- Zybert Computing Ltd - Birmingham
- Zychem Ltd. - Middlewich
- Zycko Overseas Ltd. - Cirencester
- Zycomm Electronics Ltd. - Ripley
- Zydex Healthcare Ltd - Manchester
- Zyex Ltd. - Stonehouse
- Zygal Controls Ltd. - Ashford
- Zygmunt Curry & Sons Ltd. - York
- Zygology Ltd - High Wycombe
- Zygology Ltd. - High Wycombe
- Zygology Systems - High Wycombe
- Zygon Consulting - London
- Zygon Ltd - London
- Zygot International - Eastbourne
- ZyLAB UK Ltd - Bagshot
- Zylo Works - Brighton
- Zylog Systems (Europe) Ltd - Stanmore
- Zylogix Ltd - Poulton le Fylde
- Zymac Ltd. - Bromley
Zymax International Ltd - Bideford- Zynox Training and Consultancy - London
- Zyrer Sign Printing - London
- Zyriab Ltd. - Bristol
- Zytek Automotive Ltd. - Lichfield
- Zytek Motorsport Ltd. - Derby
- Zytek Systems Ltd. - Lichfield
- Zytiff It Consultancy Ltd - Horsham
- Zytron Ltd. - Nottingham
- Zytronic Display - Colchester
- Zytronic Displays Ltd - Blaydon on Tyne
- Zza Ltd - London
- Zziplex Ltd - New Romney