Company Index
- Z A C Decors - Caerphilly
- Z Axis Ltd. - Nottingham
- Z Cars Ltd - Hull
- Z Design Ltd - Ringwood
- Z Design Ltd. - Ringwood
- Z E D Systems - Worcester
- Z Hinchliffe & Sons Ltd. - Huddersfield
- Z I Industries Ltd. - Colchester
- Z L G Consulting Ltd - Peterborough
- Z L T Automation Ltd - Brackley
- Z Led Ltd. - Sale
- Z M R Ltd. - West Bromwich
- Z M T Services Ltd. - Exeter
- Z Mesh - Wolverhampton
- Z Munter (Farms) Ltd. - Eye
- Z N Electro Surgical - Newcastle upon Tyne
- Z S Bodies Ltd. - Leicester
- Z S Recycling - Hull
- Z Saunders - Walton on Thames
- Z Signs Uk Ltd - Penarth
- Z Spars International Ltd. - Ipswich
- Z Tech Mobility - Brierley Hill
- Z-Guard (London) Ltd. - South Shields
- Z-LASER Optoelektronik GmbH - Abercarn
- Z-Tech Control Systems Ltd - Cambridge
- Z-Tex Enterprises Ltd - Oldham
- Z-Three - London
- Z.Z.L Ltd - Chesterfield
- Z/Yen Group Ltd. - London
- Z:Tech Business Advertising Ltd. - Stockport
- Zabou Casualwear Ltd. - Preston
- Zabou Clothing Co Ltd - Preston
- Zacs Computer Services - Worthing
- Zad for Sheds - Bolton
- Zadek Ewing - London
- Zadia Ltd - Mitcham
- Zafa Price - Leicester
- Zaff Ltd - London
- Zafire Aviation Software Ltd - Banbury
- Zafron Foods Ltd - Mitcham
- Zago & Co. - Stratford upon Avon
- Zagota - Leeds
- Zagota Hygiene co uk - Wakefield
- Zaha Hadid - London
- Zaha Hadid Ltd - London
- Zahid & Sons Ltd - Manchester
- Zahrah Ltd. - Hove
- Zahran Ltd - Gerrards Cross
- Zaicom Research Plus Ltd. - Horsham
- Zaika Food Products - Bradford
- Zair Pottery - Bristol
- Zak Designs Ltd. - Tamworth
- Zak Enterprises Ltd. - Liverpool
- Zakaria Chemical Industries Ltd - Plymouth
- Zakaria Fashions - Bolton
- Zakhem Construction (UK) 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 Texstyles - Birmingham
- Zaman Textiles Ltd - Birmingham
- Zamans B B Q & Naan Kebabs - Bradford
- Zambant Ltd - Southampton
- Zambelli Friend Ltd. - Banstead
- Zamo Household Products Ltd. - London
- Zampf Ltd - Sutton
- Zanart Ltd - Stirling
- Zanders Jewellers - Hamilton
- Zandra Rhodes Enterprises Ltd. - London
- Zandre Web - Great Yarmouth
- Zanetti & Co. Ltd. - Bristol
- Zaniah Developments Ltd - London
- Zanogen (Uk) Ltd. - Bakewell
- Zanos Ltd. - Knutsford
- Zantec Catering & Refrigeration Services Ltd. - Stockport
- Zantis and Co - Brighton
- Zanton - Ruislip
- Zanza Healthcare Ltd - Bootle
- Zap Art - London
- Zap Digital Print Ltd. - Guildford
- Zap Ltd. - Chorley
- Zapf Creation (U K) Ltd. - Corby
- Zapiti Ltd - Romford
- Zapp (GB) Ltd - Sheffield
- Zapp (Gb) Ltd. - Biggleswade
- Zapp Canopy Umbrellas Ltd - Chippenham
- Zappak (U K) Ltd. - Honiton
- Zaps Computer & Games Accessories - Leven
- Zara Birmingham (Birmingham) - Birmingham
- Zara Home Uk Ltd. - London
- Zara International Ltd - London
- Zara Mama Foods - London
- Zara U K Ltd - London
- Zarbi Ltd - Wirral
- Zarges UK Ltd - Bletchely
- Zargos Persian Carpets & Tribal Rugs - Narberth
- Zaria Consultants Ltd - Luton
- Zaris Strategic Solutions Ltd - Bournemouth
- Zarlink Semiconductor Ltd. - Swindon
- Zarywacz - Ilfracombe
- Zaun Ltd - Wolverhampton
- Zaun Ltd - Wolverhampton
- Zaust.Com - Clitheroe
- Zaytun Printers - London
- Zbd Displays Ltd. - Malvern
- Zcomax (U K) Ltd. - London
- Zeaba Solutions Ltd. - London
- Zeag (Uk) Ltd - London
- Zeal Clean Supplies Ltd. - London
- Zeal Electronics Ltd - Chesterfield
- Zeal Products Ltd - Kidderminster
- Zealand James & Co. - Princes Risborough
- Zeale John O - Exeter
- Zealia Engineering - Newmarket
- Zeataline Projects Ltd. - London
Zeatz-Hofmann - Chesterfield- Zebedee A G & Sons - Fordingbridge
- Zebedee Associates Ltd - Hayes
- Zebedee Creations Ltd - London
- Zebedee W R - Fordingbridge
- Zebmec Ltd - Stafford
- Zebra Business Services Ltd - Wigan
- Zebra Computers Ltd - Birmingham
- Zebra Landscapes - Worcester
- Zebra Nursing & Employment Agency - Hounslow
- Zebra Pen (U K) Ltd. - Surbiton
- Zebra Products Ltd - Liverpool
- Zebra Sign - London
- Zebra Studios - Barnsley
- Zebra Systems Ltd - Hounslow
- Zebra Technical Recruitment Ltd - Leighton Buzzard
- Zebra Technologies Europe Ltd. - High Wycombe
- Zebra Technologies Preston Ltd. - Preston
- Zebra U N O Ltd. - Wolverhampton
- ZebraHosts Ltd - Newcastle upon Tyne
- Zebramodels Ltd - London
- Zebu Design - London
- Zed Books Ltd. - London
- Zed Car Hire - London
- Zed Developments Ltd - Glasgow
- Zed One Marketing - Ely
- ZED Support Ltd - Banstead
- Zed-Duct Systems Ltd. - Kidderminster
- Zedbox - Dartford
- Zedex Consultants Ltd - Northampton
- Zedi Ltd. - Northampton
- Zedi Signs - Northampton
- Zedoary - Southampton
- Zedpro Solutions Ltd. - London
- Zedtech - Dewsbury
- Zedzfoods - Llanfyllin
- Zee Associates - Uckfield
- Zee Beds - London
- Zeefax Ltd. - London
- Zeeko Ltd - Coalville
- Zeelandia Ltd. - Billericay
- Zeenish Construction Ltd - London
- Zeetec - Edgware
- Zeflux - London
- Zehnder Clean Air Solutions - Camberley
- Zeina Foods Ltd. - Ossett
- Zeitlauf - Buckingham
- 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
- Zellar Plastik (Norwich) - Norwich
- Zeller Design Ltd. - Kettering
- Zelma Services - Blackwood
- ZELO Creative - Leeds
- Zeltek Bonding Technology Ltd - Chatham
- Zemaye Consult Ltd - Luton
- Zen Architectural Fittings Ltd. - London
- Zen Associates Uk Ltd - Leeds
- Zen Internet Ltd - Rochdale
- Zen Motor Factors - Sandwich
- Zen Production Equipment Ltd - Oldham
- Zena Cosmetics (U K ) Ltd - Helston
- Zena's - Sheffield
- Zenca Ltd. - Huddersfield
- Zencus International - London
- Zendor/Gsi Commerce Ltd. - Manchester
- Zendstate-Invicta Ltd. - Maidstone
- Zeneca - Grangemouth
- Zeneca Agrochemicals - Bracknell
- Zeneek Dental Aprons - London
- Zenergy Power Plc - Bracknell
- Zenex Technologies Ltd. - Tavistock
- Zeni Shpk - Nottingham
- Zenick Group - Poole
- Zenick Group Ltd - Bournemouth
- Zenith Aerial Platforms Ltd - Oswestry
- Zenith Beverage Systems Ltd. - Dagenham
- Zenith Blinds Ltd. - Hayes
- Zenith Business Consultancy Ltd - Wigan
- Zenith Clothing Ltd - Harrogate
- Zenith Computer Services Ltd - Lymington
- Zenith Consulting Associates Ltd - Ipswich
- Zenith Corporate Communications Ltd. - London
- Zenith Doors Industrial Ltd. - Newton Abbot
- Zenith Engineering (Chesterfield) Ltd. - Chesterfield
- Zenith Hygiene Systems Ltd. - Hatfield
- Zenith Industrial Products Ltd. - Douglas
- Zenith International Ltd - Bath
- Zenith Kitchens & Bedrooms - Stafford
- Zenith Land Surveys Ltd. - Cardiff
- 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 Services (Uk) Ltd - Stockton on Tees
- Zenith Staybrite Ltd - Norwich
- Zenith Survey - Salford
- Zenith Survey Equipment Ltd. - Ossett
- Zenith Tool Hire - Rochdale
- Zenloc Security Systems Ltd - Crawley
- Zenna Ltd - Cardiff
- Zennar Ltd - Looe
- Zeno Laptops Ltd - Bournemouth
- Zeno Systems Ltd. - Leatherhead
- Zenopa Ltd. - High Wycombe
- Zenopa Recruitment - High Wycombe
- Zenrec Ltd - Craigavon
- Zense - Bristol
- Zentec Ltd - Newark
- Zentech International Ltd - London
- Zentek Solutions Ltd. - Bolton
- Zenteum Ltd. - Nantwich
- Zentron Instruments Ltd - Market Drayton
- Zentropy Partners United Kingdom Ltd - London
- Zenzero Solutions Ltd - Warwick
- Zeon Chemicals Europe Ltd. - Penarth
- Zeon Enterprises - London
- Zeon Healthcare Ltd - Bicester
- Zeon Healthcare Ltd - Cheltenham
- Zeon Ltd. - London
- Zepf Technologies - Cumbernauld
- Zepher Uk Ltd. - Congleton
- Zephyr Consultancy Ltd - Oldham
- Zephyr Ducts & Fittings Ltd. - Leighton Buzzard
- Zephyr Electronics Ltd - Altrincham
- Zephyr Racing Pennants Ltd. - Kettering
- Zephyr Safety Footwear - Wellingborough
- Zephyr Security Ltd - Colchester
- Zephyr Water Treatment Services Ltd - Bath
- Zephyros Systems Ltd - Pudsey
- Zepla (Epsom) - Epsom
- Zeppelin Steel Ltd. - Kirkcaldy
- Zeppelin Systems Ltd - Nottingham
- Zeralynx Print Direct Ltd - Taunton
- Zero - Chester
- Zero 1 Exhibitions - Walsall
- Zero Architecture Ltd. - Halifax
- Zero Carbon Marine Ltd - South Molton
- Zero Cases (UK) Ltd - Smethwick
- Zero Collective Ltd - St Albans
- Zero Emissions Real Options Ltd - London
- Zero Enterprises Ltd - Crewe
- Zero Environment Ltd. - Warwick
- Zero Fiftyone - Peacehaven
- ZERO G Height Safety - Swadlincote
- Zero Hydraulics Ltd. - Belfast
- Zero One Rapid Fax Repair - Basildon
- Zero One Studios Ltd - Dewsbury
- Zero Refrigeration Ltd. - Belfast
- Zero Signs & Digital - Crewe
- Zero Tubing & Accessories Ltd. - Sutton Coldfield
- Zero-G Uk Ltd - Bristol
- Zero-G Uk Ltd. - Bristol
- Zero-M Ltd. - Gerrards Cross
- Zero-One Design Ltd. - Tamworth
- ZERO72 - Nottingham
- Zerographic Finance Ltd - Stafford
- Zerothree Exhibitions Ltd - Maidenhead
- Zerust UK Ltd - Spennymoor
- Zest - Manchester
- Zest Aromatics Ltd. - Market Rasen
- Zest Audio - Craigavon
- Zest Audio Ltd - Lisburn
- Zest Computing Ltd. - Newbury
- Zest Design and Print - Solihull
- 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 Communications Ltd. - Wrexham
- Zeta Controls Ltd. - Bicester
- 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
- Zetapro Ltd - Doncaster
- Zetechtics Ltd. - York
- Zetem - London
- Zetes Holdings Ltd. - Manchester
- Zetes Ltd. - Ascot
- Zetex Carpet Tiles Ltd - Craigavon
- Zetica Ltd. - Witney
- Zetland Boxes Ltd - York
- Zetland Estates - Richmond
- Zetland Marine Services - Shetland
- Zetnet Ltd - London
- Zetor Uk Ltd - Downham Market
- Zettlex Printed Technologies Ltd - Cambridge
- 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 Group - Cork
- Zeus Packaging Group - Dublin
- Zeus Packaging Group - Stevenage
- Zeus Packaging Ltd - Newtownabbey
- Zeus Products - Clacton on Sea
- Zeus Public Relations Ltd - Congleton
- Zewa Ltd. - Manchester
- Zexia Access Ltd - Oxford
- Zeya Holdings (Halstead) Ltd. - Halstead
- Zf Great Britain Ltd. - Nottingham
- Zf Lemforder Uk Ltd. - Wednesbury
- Zf Steering Systems Nacam Ltd. - Ebbw Vale
- Zft Ltd - London
- Zft Ltd. - London
- ZG Upholstery Ltd - Coventry
- Zgp Ltd - London
- Zgt Ltd - London
- Zhejiang Jipai Garment Co., Ltd. - Chester
- Zhermack - Melton Mowbray
- Zia Ltd - London
- ziDigital - London
- Ziebe Ltd - Aylesbury
- Ziebel Uk Ltd. - Inverurie
- Ziegler Farms Ltd. - Wetherby
- Ziegler International Ltd. - Cambridge
- Ziegra Ice Machines (U K) Ltd. - Stockport
- Ziel - Colchester
- Zielinski Baker & Partners Ltd. - Northampton
- Zig Zag Access Ltd. - Leeds
- Zig Zag International Ltd - Leeds
- Zig Zag Lighting Ltd - Leeds
- Zig Zag Music Productions - Huntingdon
- Zig Zag(Gb)Ltd - Manchester
- Zigbee Modules - Ruislip
- Ziggi Hansens - Falkirk
- Ziggurat - London
- Ziggurat Ltd - Chester
- Zighrett Recruitment - Lincoln
- Zigi's Ltd - Chelmsford
- Zigzag Bunting Ltd - Andover
- Zigzak Computers - Arbroath
- Zik Zak - York
- Zila Ltd. - Salisbury
- Zilica Europe - Maidenhead
- Zillwoods Ltd - Southampton
- Zimba Ltd - Norwich
- Zimed Ltd. - St Asaph
- Zimmer Ltd - Swindon
- Zimo Communication Ltd. - Stockport
- Zin-Tec Ltd. - Rotherham
- Zinc Copper Met-Seam - Craigavon
- Zinc Counters Ltd. - Harrogate
- Zinc Digital - Northampton
- Zinc Web Internet - Peterhead
- Zincast Foundry Ltd - Willenhall
- Zinco (Midlands) Ltd - Walsall
- Zinco Sapori D'Italia - Borehamwood
- Zinco UK Limited - Hereford
- Zincweb Internet - Peterhead
- 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
- Ziontech Solutions Ltd. - Yeovil
- Zip - Congleton
- Zip 'N' Stitch - Edgware
- Zip Despatch - Manchester
- Zip Direct Mail and Print Ltd - Chesham
- Zip Heaters (Halifax) - Halifax
- Zip Heaters (U K) Ltd. - Dereham
- Zip I T Ltd - Guildford
- Zip Imagesetters Ltd - Romsey
- Zip Kart Ltd - Hoddesdon
- Zip Network Solution - Paignton
- Zip Pack Packaging Technology Ltd. - Doncaster
- Zip Tool Hire Centre - Leicester
- Zip Zap Computers Ltd. - Lincoln
- Zip-Clip - Newtown
- Zipex (U K ) Ltd. - Leicester
- Zipher Ltd. - Nottingham
- Zipp Interiors - Braintree
- Zippertech Ltd. - Leeds
- Zippo UK Ltd - London
- Zipps Workwear - Richmond
- Zippy (Uk) Ltd. - Leek
- Zippy Cleaners - Edinburgh
- Zippy Skips - Rochester
- Zips & Things - Harrow
- Zircom Data Communications Ltd - Bromsgrove
- Zircon Communications Ltd - Hayes
- Zircon Construction - Bristol
- Zircon Consultants - Harpenden
- Zircotec - Didcot
- Zirkon Ltd (now Stadium Electronics) - Rugby
- Zisman Bowyer & Partners - Richmond
- 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 Automotive U K Ltd. - Ashington
- 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 Recruitment & Business Services Ltd. - Loughborough
- Zodiac Screw Gauge Ltd. - Birmingham
- Zodiac Signs - Prescot
- Zodiac Systems Ltd - Brentford
- Zodiac Travel Ltd - Brockenhurst
- Zodiac Windows - Ammanford
- Zodiacdsigns.co.uk - Otley
- Zodion Ltd - Sowerby Bridge
- Zodion Wholesale Distribution Ltd - Sowerby Bridge
- Zoe Clark Cakes - London
- Zoe Davies - Ely
- Zoe's Cakes & Chocolates - Frome
- Zoe's Cakes and Chocolates - Bridport
- Zoedale plc - Bedford
- Zoeftig Ltd. - Bude
- Zoeller Waste Systems Ltd. - Redditch
- Zoetrope Career Planning - Nottingham
- Zoffany Ltd - London
- Zohra Enteripries - Lancaster
- Zoiren International Ltd - London
- Zok International Group Ltd. - Midhurst
- Zoki U K Ltd. - Birmingham
- Zokora Group Services Ltd. - London
- Zolex I T Ltd. - Porthcawl
- Zolflow Ltd. - Aberdeen
- 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
- Zonal Fire Services - Leicester
- Zonal Retail Data Systems Ltd. - Edinburgh
- Zone - Glasgow
- Zone 1 Electrical Supplies Ltd - Rochdale
- Zone Architects - Edinburgh
- Zone Cee Ltd - Birmingham
- Zone Contractors Ltd. - Birmingham
- Zone Creations Ltd. - London
- Zone Developments Ltd - Fordingbridge
- Zone Exhibitions Ltd - Surbiton
- Zone Graphics - Tonbridge
- Zone Innovation Ltd - Birmingham
- Zone Interiors Ltd. - Watford
- Zone Licensing Ltd - London
- Zone Power Ltd - Diss
- Zone Precision Components Ltd. - Chatham
- ZONE6 Electronics - Newbury
- Zoneacross Ltd. - Leeds
- Zoneaero Ltd - High Wycombe
- Zonebridge Ltd - Lutterworth
- Zonefollow Ltd. - Ramsgate
- Zoneplant Ltd. - Ellon
- Zonner Industries Ltd - Caerphilly
- Zoo Digital Group Plc - Sheffield
- Zoo Media - Harrow
- Zoo Signs and Design Ltd - Camberley
- Zoo Solutions Ltd - Nottingham
- Zoo Studios Ltd - London
- Zoo-Media - London
- Zook Europe Ltd. - Sheffield
- Zoom (U K) Ltd - Wembley
- Zoom AV Ltd - Carnforth
- 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 Hayes - Fleet
- Zoom Multimedia - Birmingham
- Zoom Office Equipment - Wareham
- Zoom Personnel Ltd - Dorking
- Zoom-Hayes Microcomputer - Camberley
- Zoomphase Ltd. - London
- Zoonami Ltd. - Cambridge
- Zoonou Ltd - Eastbourne
- Zoopit - Torquay
- Zoot Office Furniture Brokers Ltd - Bristol
- Zoptic Ltd. - Bodmin
- Zora Autos - Leicester
- Zoran (Uk) Ltd. - Manchester
- Zorba Delicacies Ltd - Ebbw Vale
- Zorba Delicacies Ltd - London
- Zorbiant Ltd. - London
- Zornos Hangers & Textiles Ltd. - Manchester
- Zorstec - Shipley
- Zortex International Ltd. - Kidderminster
- 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
- Zoya Technologies - London
- Zpm Ltd - Richmond
- Zroomz Ltd - Bromley
- 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
- Zubtec Ltd - Dartford
- Zucchini Busbar U K Ltd - Birmingham
- Zuekoo Ltd - London
- Zuidam Uk Ltd - Tewkesbury
- Zuken Ltd. - Bristol
- Zulu Creative - Sutton Coldfield
- Zulu Online Recruitment Ltd - Congleton
- Zulu Packaging Ltd - Tunbridge Wells
- Zumbach Electronics Ltd. - Newport Pagnell
- Zund Plotting Systems (UK) Ltd - St Albans
- Zundel Ridge Consultants Ltd - Marlborough
- Zup Badura Ltd. - Wigan
- Zureale Associates - Towcester
- Zurich Engineering's Laboratory Services - Birmingham
- Zurich Financial Services - Portsmouth
- Zussman Bear - Newbury
- Zussman Bear Partnership Ltd. - Richmond
- Zwetsloot - Inverness
- Zwick Testing Machines Ltd - Leominster
- Zyan Design and Print (Beer Mat Printers) - Gosport
- Zybernext - London
- Zybert Computing Ltd - Birmingham
- Zychem Ltd. - Middlewich
- Zycko Ltd - Cirencester
- Zycomm Electronics Ltd. - Ripley
- Zyex Ltd. - Stonehouse
- Zygal Controls Ltd - Ashford
- Zygmunt Curry & Sons Ltd. - York
- Zygo Medica Ltd - Crawley
- Zygology Ltd - High Wycombe
- Zygology Systems Ltd - High Wycombe
- Zygon Consulting - London
- Zygon Ltd - London
- Zygot International - Eastbourne
- Zygot International - Woking
- Zykos - London
- ZyLAB UK Ltd - Bagshot
- Zylo Works - Brighton
- Zylogix Ltd - Poulton le Fylde
- Zymac Ltd. - Bromley
Zymax International Ltd - Bideford- Zynox Training and Consultancy - London
- Zyriab Ltd - Bristol
- Zytec Systems - Leicester
- Zytek (Banbury) - Banbury
- Zytek Automotive Ltd. - Lichfield
- Zytek Engineering Ltd. - Derby
- Zytek Systems Ltd. - Lichfield
- Zytron Ltd - Nottingham
- Zytronic Display - Colchester
- Zytronic Displays Ltd - Blaydon on Tyne
- Zyxel Communications Uk Ltd. - Bracknell
- Zziplex Ltd - New Romney
