Rank | Company | Location | Year end | Annual sales rise over 3 years | Latest sales £000s | Staff | Comment |
---|---|---|---|---|---|---|---|
1 | GamesysOnline gaming developer | Central London | 2005 | 301.48% | 9,454 | 51 | Claims to pay out more than £1m a day in prize money |
2 | ApertioMobile telecoms software developer | Bristol | 2005 | 299.50% | 8,509 | 158 | Raised £17m, the second largest British technology investment in 2005 |
3 | PulsicSilicon chip software developer | Bristol | 2005 | 272.31% | *3,009 | 29 | Claims its automation software reduces chip design time by more than 90% |
3 | The Search WorksSearch engine advertiser | Central London | 2005 | 272.31% | †18,576 | 53 | Helps likes of Comet and Trinity Mirror boost their internet search rankings |
5 | RedtrayE-learning software developer | Surrey | 2005 | 253.19% | 4,478 | 30 | Acquiring three firms in two years helped sales grow more than tenfold |
6 | itmsoilGeotechnical monitoring services | Sussex | 2005 | 249.32% | 4,637 | 58 | Technology used in construction projects such as Heathrow's Terminal Five |
7 | Mobile FunOnline phone accessory retailer | Birmingham | 2005 | 237.83% | 7,525 | 50 | Founded by a graduate software engineer when he was only 21 years old |
8 | Vivo TechnologiesCommunication accessories provider | West London | 2005 | 204.30% | 3,903 | 7 | Integrates GPS technology into mounts for pocket PCs |
9 | AssimaE-learning software publisher | Central London | 2005 | 195.02% | 5,669 | 85 | Four years after foundation, company is interested in floating |
10 | LatitudeDigital marketing agency | Central London | 2005 | 191.42% | †*18,748 | 52 | Reports its clients spend £1m a month advertising on Google |
11 | Road AngelCar accessories developer | Northamptonshire | 2005 | 159.64% | 17,105 | 29 | Claims its technology helps reduce road accidents by up to 50% |
12 | ByBoxDelivery systems operator | Oxfordshire | 2005 | 155.98% | *12,615 | 84 | Delivers more than 3m parcels a year through its electronic boxes |
13 | BDP Media GroupLearning software developer | Central London | 2005 | 151.81% | 11,014 | 48 | Its online training courses tackle bullying in the workplace |
14 | Digital WindowOnline marketer | East London | 2005 | 137.30% | 4,554 | 25 | Founded with profits from a Madonna fan tour |
15 | LiquidlogicCollaborative software developer | Leeds | 2005 | 137.03% | 3,451 | 33 | Launched with proceeds from sale of co-founders' previous company |
16 | Red Gate SoftwareDatabase software developer | Cambridge | 2005 | 134.84% | 4,340 | 31 | Says its software has 200,000 users, half of whom are based in America |
17 | MiragoSearch software developer | Hampshire | 2005 | 134.02% | 5,395 | 46 | Claims to process more than a billion internet search requests a month |
18 | PacketExchangeTelecoms services provider | Central London | 2005 | 132.92% | *5,692 | 38 | Is expanding its high-security internet services to American clients |
19 | SatamaticsSatellite services provider | Tewkesbury | 2005 | 123.61% | 6,663 | 31 | Private security firms in Iraq use its satellite-based tracking devices |
20 | Volantis SystemsCommunication services provider | Guildford | 2005 | 119.88% | *7,855 | 90 | Has raised more than £15m in four investment rounds since foundation |
21 | OcadoOnline grocery retailer | Hatfield | 2005 | 118.80% | 143,319 | 928 | Delivers almost 3m hand-picked grocery items a week for Waitrose |
22 | MX TelecomWireless technology developer | Chiswick | 2005 | 118.43% | *43,752 | 32 | Its technology enabled fans to watch the World Cup on their mobile phones |
23 | Total PDAOnline multimedia retailer | Glasgow | 2005 | 118.20% | 10,153 | 28 | Supplies fleet tracking and navigation systems to customers |
24 | Open LogicPortal software developer | Worcester | 2005 | 117.37% | 5,945 | 27 | Software enables motorists to pay parking fines online |
25 | Adviva MediaOnline advertising consultancy | SW London | 2005 | 116.89% | 6,483 | 16 | Helps advertisers such as BSkyB and O2 to target customers online |
26 | Tao GroupMultimedia software developer | Reading | 2005 | 107.48% | *4,860 | 59 | Has twice won a BAFTA award for interactive music technology |
27 | alwaysONTelecoms service provider | Reading | 2005 | 100.89% | †3,080 | 30 | Raised £1.5m from Foresight Ventures in 2005 |
28 | Picsel TechnologiesMobile software developer | Glasgow | 2005 | 100.35% | *13,035 | 174 | Claims that 35m mobile phones use its file-viewing technology |
29 | Green CathedralDigital media agency | Cambridge | 2005 | 95.36% | 5,491 | 61 | Develops websites for the Eden Project and Open University |
30 | CSW GroupHealthcare IT provider | Oxford | 2005 | 94.59% | 6,052 | 117 | Software may be used to replace patient records lost in Hurricane Katrina |
31 | DCG DatapointData-management services provider | Surrey | 2005 | 94.52% | 5,120 | 25 | Works with Harvey Nichols updating its daily store transactions |
32 | Thomsons Online BenefitsEmployee benefits software developer | Central London | 2005 | 94.01% | *3,794 | 34 | Helped the MoD launch an online pension calculator for 200,000 personnel |
33 | NucleusWeb designer | Surrey | 2005 | 92.80% | 5,726 | 46 | Founder designed album covers for The Who in the 1970s |
34 | Link HR SystemsHR software developer | Chester | 2005 | 92.43% | *6,174 | 40 | Software is used by the NHS to evaluate 900,000 employees’ pay |
35 | AppSenseSoftware developer | Warrington | 2005 | 90.92% | 8,504 | 92 | Says it protects over 2,500 organisations against rogue software |
36 | RadioscapeWireless software developer | Central London | 2005 | 89.10% | 9,168 | 79 | Has raised more than £30m from investors including Atlas Venture |
37 | WiggleOnline sports goods retailer | Portsmouth | 2005 | 85.23% | 9,230 | 50 | Claims 2,000 new customers use its website every week |
38 | BetfairOnline bookmaker | West London | 2005 | 82.05% | 107,114 | 423 | Says it processes more than 5m bets a day through its website |
39 | Marix Drug DevelopmentClinical drug developer | South Wales | 2005 | 81.81% | 3,003 | 30 | Runs a 30-bed clinical trials unit to help test Alzheimer's drugs |
40 | AdeptraManaged services provider | Reading | 2005 | 79.67% | *4,489 | 45 | Software makes 10m automatic calls a month on behalf of clients |
41 | VendaE-commerce software developer | Central London | 2005 | 79.16% | 3,603 | 51 | Manages e-commerce websites for retailers such as Virgin Megastores |
42 | I-playMobile games developer | Central London | 2005 | 76.88% | 11,929 | 155 | Owns franchise to mobile phone games for The Fast and the Furious and 24 |
43 | LateRoomsOnline hotel agency | Manchester | 2005 | 76.03% | 7,097 | 135 | Says that 13,000 European hotels offer discounted rooms on its website |
44 | JobpartnersHR software developer | West London | 2005 | 74.76% | 5,301 | 42 | Claims Nike halved recruitment costs by using its software |
45 | TrigoldMortgage software developer | West London | 2005 | 74.07% | *6,251 | 93 | Software helps 24,000 financial advisers find the best loan deal for their clients |
46 | Box TelematicsWireless technology developer | West Midlands | 2005 | 72.15% | 3,546 | 49 | Its wireless boxes are used to monitor drinks consumption in pubs |
47 | Griffin InternetInternet service provider | Derby | 2005 | 68.52% | 4,543 | 31 | Claims to provide internet access to more than 50,000 subscribers |
48 | Quantum Research GroupTouch-button technology designer | Southampton | 2005 | 68.20% | *4,047 | 29 | Says Apple’s iPod success has increased demand for its sensor technology |
49 | LaganGovernment software developer | Belfast | 2005 | 67.80% | 6,087 | 82 | Claims to supply software to 130 government clients in Britain and America |
50 | SepuraRadio technology developer | Cambridge | 2005 | 67.61% | 35,099 | 131 | Its secure digital radios are used by emergency services worldwide |
51 | GigaSatSatellite systems manufacturer | Hertfordshire | 2005 | 67.25% | 5,695 | 36 | Its equipment enables troops to access the internet and talk to loved ones |
52 | IRISYSInfrared systems maker | Northamptonshire | 2005 | 67.22% | *6,621 | 63 | Says its technology supplies two-thirds of the world’s footfall monitoring firms |
53 | hSoIT services provider | Central London | 2005 | 66.03% | 5,050 | 45 | Its data-storage product is used by Endemol, the firm behind Big Brother |
54 | Digital VisionData capture consultancy | Cheshire | 2005 | 66.00% | 3,265 | 37 | Banks use its character-recognition software to extract data from documents |
55 | WDSGlobalWireless services support provider | Poole | 2005 | 65.86% | 24,793 | 466 | Claims 9m people access its wireless knowledge database each month |
56 | CheezeDigital marketing agency | Ipswich | 2005 | 65.54% | 6,394 | 22 | Is developing a directory tracking blogs and podcasts for advertisers |
57 | GammaTelecoms network operator | Newbury | 2005 | 64.78% | 100,013 | 158 | Its resellers supply telephony services to 400,000 homes and 50,000 businesses |
58 | Daisy CommunicationsTelecoms service provider | Lancashire | 2005 | 63.16% | †*15,995 | 84 | Has acquired five companies since 2005, plans to buy five more this year |
59 | Pole Star Space ApplicationsMaritime communications provider | Central London | 2005 | 62.82% | 4,692 | 25 | Former banker founded business after phone box shipment went missing |
60 | Sarian SystemsWireless router manufacturer | Ilkley | 2005 | 59.66% | 3,290 | 21 | The company's technology helps to power the Thai national lottery |
61 | IESASupply chain manager | Warrington | 2005 | 59.48% | 18,844 | 105 | Software helps manage the supply chain of clients such as Siemens |
62 | Albany SoftwareE-transactions software developer | Hampshire | 2005 | 59.20% | 7,593 | 93 | Set up in founder’s spare bedroom with a £30,000 loan |
63 | Mistral Internet GroupInternet service provider | Brighton | 2005 | 57.20% | *19,702 | 90 | Has acquired four companies in the past two years |
64 | Momondo GroupTravel search | Central London | 2005 | 57.18% | 6,882 | 32 | Claims to have referred £1 billion sales to the travel industry in 2005 |
65 | ExasoftFinancial software developer | Coventry | 2005 | 57.09% | 3,685 | 7 | Won the Queen's Award for Enterprise in 2006 |
66 | EdenbrookSystems integrator | Central London | 2005 | 56.30% | 17,000 | 91 | Acquisition of rival consultancy has added £1.4m to sales |
67 | Axiom SystemsTelecoms software developer | Reading | 2005 | 56.29% | 10,435 | 67 | Its software handles customer orders for internet service providers |
68 | VioDigital supply chain | Central London | 2005 | 56.21% | 3,044 | 51 | Software automatically resizes ads to different publishers' specifications |
69 | Zen InternetInternet services provider | Rochdale | 2005 | 56.16% | 19,043 | 148 | Broadband supplier says it has 65,000 clients |
70 | Fluency Voice TechnologySpeech recognition software developer | West London | 2005 | 56.15% | 3,768 | 61 | Its speech recognition technology handles hotel bookings for Travelodge |
71 | Bell MicrosystemsIT services provider | Portsmouth | 2005 | 53.30% | *13,949 | 33 | Claims its data storage networks saved one client £700,000 in three months |
72 | OneBill TelecomTelecoms service provider | Worthing | 2005 | 53.02% | 20,900 | 63 | Acquisition made earlier this year added 2,000 customers |
73 | BigHandDictation software developer | Central London | 2005 | 52.53% | 5,365 | 45 | Claims that over 400 law firms worldwide use its workflow software |
74 | SSLElectronics and software developer | Bristol | 2005 | 52.19% | 3,730 | 80 | Its equipment was installed on over 3,000 miles of British highways last year |
75 | HarloshInsurance software developer | Cirencester | 2005 | 51.48% | 3,453 | 35 | Set up an office in Australia and recently won first contract in New Zealand |
76 | Aircom InternationalTelecoms service provider | Surrey | 2005 | 51.35% | 53,044 | 510 | Claims it has doubled exports to £44m in the past three years |
77 | MultimapOnline map provider | Central London | 2005 | 49.62% | *7,569 | 76 | Says it is one of the 10 most visited websites in Britain |
78 | 1EEnterprise software developer | West London | 2005 | 49.19% | 5,778 | 42 | Claims its software helped save a client 50,000 IT support hours |
79 | MarketpipeFinancial software developer | Central London | 2005 | 47.84% | *3,428 | 28 | Set up by City banker and now supplies software to 21 banks |
80 | Espresso EducationEducational content provider | West London | 2005 | 47.67% | 4,305 | 52 | Founded by former Blue Peter editor and Newsround producer |
81 | SolarcenturySolar technology developer | Central London | 2005 | 46.88% | 6,019 | 40 | Says it has designed the first solar roof tile for British homes |
82 | Capture ProjectsData-management software developer | Leeds | 2005 | 46.56% | *3,472 | 28 | Marconi uses its software to streamline its administration |
83 | ActixTelecoms software developer | West London | 2005 | 46.30% | 26,063 | 184 | Software is used by mobile phone companies in more than 60 countries |
84 | epyxE-trading platform developer | Coventry | 2005 | 45.25% | 6,792 | 69 | Says it processes £35m worth of invoice transactions every month |
85 | PrometheanEducational technology developer | Blackburn | 2005 | 44.53% | *80,548 | 502 | Children in 70 countries are taught using its interactive whiteboards |
86 | bet365Online bookmaker | Stoke-on-Trent | 2005 | 44.27% | 604,803 | 769 | Says it services more than 900,000 online punters in 120 countries |
87 | EquiinetServer appliances developer | Swindon | 2005 | 43.70% | 4,472 | 19 | Claims its technology reduces download times for 10,000 schools |
88 | Evolution StudiosVideo games developer | Cheshire | 2005 | 42.40% | 5,803 | 83 | Has supplied simulation software to train pilots in the Royal Air Force |
89 | ACISTransport software developer | Buckinghamshire | 2005 | 42.20% | 14,856 | 114 | Says its alert system is installed at 28,000 Yorkshire bus stops |
90 | Cerillion TechnologiesTelecoms software developer | Central London | 2005 | 41.79% | 12,666 | 127 | Formed from buyout of Logica's customer care and billing division |
91 | aquilaheywoodFinancial software developer | Surrey | 2005 | 41.63% | 26,414 | 211 | Software administers corporate pension schemes for clients including BT |
92 | Elite TelecomTelecoms services provider | Lancashire | 2005 | 41.56% | *4,863 | 19 | Tussauds, Kwik-Fit and Vision Express use its call handling software |
93 | Watford ElectronicsOnline electronics retailer | Luton | 2005 | 40.82% | *48,232 | 140 | Customers include PC users and big companies such as BT and British Gas |
94 | Pace TelecomTelecoms service provider | Wrexham | 2005 | 40.79% | †4,407 | 40 | Set up in a garage with £50 by a father and son |
95 | PractivInsurance software developer | Guildford | 2005 | 40.51% | *8,548 | 51 | Founder was only 22 when he set up the company |
96 | Power Panels Electrical SystemsElectrical assembly manufacturer | West Midlands | 2005 | 39.67% | 12,147 | 161 | Has produced 10,000 control systems for manufacturers worldwide |
97 | ComplinetCompliance software developer | SW London | 2005 | 39.05% | 7,903 | 147 | Claims over 1,000 firms and 15,000 subscribers use its software daily |
98 | Allpay.netElectronic payment provider | Herefordshire | 2005 | 38.56% | 11,897 | 93 | Says it currently processes 25m payment transactions a year |
99 | VectaSales software developer | Oxford | 2005 | 38.50% | 3,865 | 49 | Claims its software can increase clients’ sales by 20% in three months |
100 | Play.comOnline entertainment retailer | Jersey | 2005 | 38.14% | †*155,479 | 500 | Shipped over 2m products in busiest week last year |
* supplied by company † annualised figure