Rank Company Location Year end % annual profit growth Latest profits £000 Latest sales £000 Staff Comment
1 Mayday HealthcareRecruitment consultancy Central London Sep 09 166.54% 9,704 56,178 87 Says its offices have been open 24 hours a day for more than six years
2 Rogers Stirk Harbour + PartnersArchitectural and design consultancy Central London Jun 08 157.99% 15,142 38,095 199 Founder Richard Rogers co-designed the Pompidou Centre in Paris
3 bet365Online bookmaker Stoke-on-Trent Mar 09 138.29% 70,826 288,746 1,034 Takes bets from customers in more than 200 countries
4 Fullwood and BlandDairy equipment manufacturer Shropshire Dec 08 124.09% 6,002 75,614 617 Celebrates its 225th anniversary in 2010
5 Ronly GroupMetal, agricultural trader North London Dec 08 120.14% 21,080 414,428 38 Exports metal and agricultural commodities to America and Asia
6 B&M RetailDiscount retailer Liverpool Dec 08 119.55% 12,982 255,922 3,119 Opened one new store a week in 2009
7 Cath KidstonLifestyle retailer West London Mar 09 119.29% 5,315 31,294 275 Sold a majority stake to private equity firm TA Associates last month
8 Southall TravelTravel agency and tour operator West London Mar 09 117.79% 6,793 152,892 39 Helps more than 1,000 people a day to make travel arrangements
9 Lowell GroupDebt collector Leeds Aug 09 113.18% 24,316 46,864 369 Chief executive and IT director completed the Three Peaks Challenge in 2009
10 IT Human ResourcesIT recruitment agency Central London Mar 09 111.98% 5,309 24,183 33 Celebrated its tenth birthday in 2009 by taking staff for a weekend in Budapest
11 Momondo GroupTravel search Central London Dec 08 105.28% 5,471 26,283 112 100m people a year visit Cheapflights’ websites
12 Affirmative FinanceShort-term loan provider Manchester Jul 08 104.68% 6,407 9,013 19 Claims its record for finalising a loan is just four hours after application
13 SurgoBuilding contractor Newcastle Aug 09 102.70% †7,424 †52,945 152 Recently started work on a £5m sports hall at Durham University’s Stockton campus
14 Travel ChannelTravel broadcaster Central London Dec 08 102.16% 5,775 12,539 44 Transmits travel programmes 24 hours a day in 19 languages
15 Mentor IMC GroupOil industry consultancy East London Jul 09 96.83% †4,437 40,902 13 Says it has a database of more than 22,000 contractors
16 ActeonSubsea services provider Norwich Dec 08 93.26% 52,304 309,154 1,595 Operates in locations including the Gulf of Mexico, Brazil and West Africa
17 Jack WillsFashion retailer Northwest London Jan 09 92.89% 6,163 41,778 1,130 Promoted itself in America by handing out 50,000 T-shirts to holidaymakers
18 Global Energy GroupEnergy services provider Inverness Mar 09 91.79% 8,446 119,028 772 Says it has trebled its overseas business over the past 12 months
19 Bond Aviation GroupHelicopter operator Cheltenham Mar 09 90.00% 15,636 80,703 339 Provides search and rescue operations, and air support for the emergency services
20 Regent GasCommercial gas supplier West London Mar 09 89.34% 3,781 34,557 10 Claims to supply up to 3,000 businesses with gas
21 NET-A-PORTER.comOnline fashion retailer Central London Jan 09 88.57% 9,268 81,546 376 Acquired by Swiss luxury-goods maker Richemont in a £350m deal earlier this month
22 David Morris InternationalLuxury jeweller Central London Jan 09 84.03% 10,572 49,879 36 Has stores in Dubai, Moscow and Palm Beach
23 LPC GroupPaper products maker Leicester Sep 09 82.78% 22,513 236,157 1,122 Its British factory produces 600m toilet and kitchen rolls a year
24 FridaysFood producer Kent Dec 08 82.51% 3,582 42,265 316 Free-range egg producer has grown as ethical eating becomes more popular
25 ID Business SolutionsSoftware developer Guildford Dec 08 81.25% 4,808 17,720 176 Says its clients include 18 of the top 20 pharmaceutical companies
26 JVM EquipmentIndustrial equipment supplier West Sussex Dec 08 79.75% 24,114 176,618 635 Was JCB’s biggest distributor worldwide in 2008
27 VelcourtFarm manager Herefordshire Sep 08 78.97% 3,504 26,904 120 Says it is the largest independent producer of potatoes and sugar beet in Britain
28 Audley TravelTour operator Oxfordshire Dec 08 78.14% 4,396 49,537 191 Co-founder has booked a trip on Virgin Galactic’s spaceship
29 IcelandFrozen food retailer North Wales Mar 09 77.88% 109,699 2,080,895 19,406 More than 3.5m people hold Iceland loyalty cards
30 Cammell LairdShipbuilder and repairer Merseyside May 09 77.13% 9,498 90,816 481 Services Royal Fleet Auxiliary ships around the world
31 Richmond GroupFinancial services provider Bournemouth Mar 09 75.93% 14,959 36,302 372 Provides its staff with free breakfasts and subsidised food
32 Fergusson GroupFuel supplier Stirling Mar 09 74.09% 12,877 121,673 161 Exports to nine countries
33 WatesConstruction contractor Surrey Dec 08 71.94% 40,945 1,008,961 2,323 Says it has an order book of £2 billion, despite the downturn
34 OSS GroupWaste oil recycler Merseyside Dec 08 71.79% 6,193 24,964 170 Claims its NexGen recycled oil is 10% cheaper than virgin fuels
35 Reservoir GroupOilfield services provider Aberdeen Dec 08 70.80% 18,285 42,981 210 Completed five acquisitions in 2008 to double the size of the company
36 Merlin EntertainmentsVisitor attraction operator Poole Dec 09 70.53% 178,200 769,000 10,292 Its London Eye recently celebrated its tenth birthday
37 Wireless Infrastructure GroupWireless tower operator Lanarkshire Dec 08 67.45% 8,338 15,671 29 Has access to 40,000 potential sites to position phone masts in Britain
38 Waymade HealthcarePharmaceuticals maker Essex Dec 08 65.44% 56,225 273,798 503 More than 4m patients use Waymade drugs every day
39 Rainham Industrial ServicesIndustrial services provider Essex Dec 08 65.35% 3,918 25,057 44 Has recently diversified and won a £1m rail contract
40 Tensator GroupQueue control specialist Milton Keynes Dec 08 64.59% 3,375 28,817 205 Eagle-eyed viewers can spot its products in TV ads for Virgin Atlantic and Tesco
41 Auden Mckenzie GroupPharmaceuticals maker Northwest London Sep 08 63.76% 3,921 10,653 42 Opened new manufacturing, quality control and distribution facilities in 2009
42 TinopolisFilm and television producer South Wales Sep 08 63.39% 5,771 67,648 381 Bought the factual programme maker Pioneer Productions in November
43 King.comGaming website operator Central London Dec 08 62.00% 4,653 29,949 68 Says it hosts more than 350m games a month
44 Morgan Law RecruitmentRecruitment consultancy Central London Sep 08 61.62% 3,412 24,239 35 Is celebrating its tenth year of trading in 2010
45 Mott MacDonaldManagement and engineering consultancy Croydon Dec 08 60.90% 41,900 913,413 12,664 Helped complete the Vancouver to Whistler highway in time for the Winter Olympics
46 Maplin ElectronicsElectronic equipment retailer Rotherham Dec 08 60.56% 22,227 203,605 1,789 Has plans to open 12 new stores this year
47 Abbey Forged ProductsSteel products forger Sheffield Oct 08 59.86% 3,249 n/a 71 Company was originally run from the founders’ family home
48 Corbetts the GalvanizersGalvaniser Shropshire Mar 09 59.76% 4,582 12,000 134 New facilities will allow it to galvanise objects up to 20 metres long
49 Kinetics GroupFacilities manager Surrey Jun 08 59.70% 4,687 81,952 1,042 Claims it has more than £365m of work in the pipeline
50 LCM Oil & GasOilfield services provider Central London Dec 08 59.03% 3,211 24,892 391 Employs staff from 27 countries
51 HutchinsonsAgronomy adviser Cambridgeshire Dec 08 58.26% 7,035 125,108 258 Has depots throughout Britain, from Kent to Aberdeenshire
52 Seafood HoldingsFish and meat wholesaler Hertfordshire Jan 09 58.05% 3,018 81,800 535 Counts innovative chef Heston Blumenthal among its customers
53 Camerons BreweryBrewery Hartlepool Apr 09 58.02% 4,767 52,418 251 Offers real-ale fans at least one guest beer a month
54 DreamsBed retailer High Wycombe Dec 08 57.79% 14,481 194,384 1,492 Claims it recycled a mattress mountain taller than Mount Everest last year
55 SoftcatIT reseller Buckinghamshire Jul 08 57.35% 7,015 102,916 167 Has a July year-end so staff can go on carefree holidays in August
56 Collett TransportHaulier Halifax Mar 09 56.96% 3,596 n/a 73 Contracts for transporting wind turbines have helped to power growth
57 AJ BellPension administrator Manchester Sep 09 56.82% 20,104 38,491 299 Has more than £11.2 billion under administration
58 Severn GloconIndustrial valve manufacturer Gloucester Dec 08 56.27% 4,549 36,046 306 Company is expecting profits to double in its next financial year
59 Kew Green HotelsHotel operator West London Aug 08 56.23% 9,444 41,348 906 Opened the Courtyard by Marriott at Gatwick airport in 2009
60 Cleansing Service GroupWaste manager Southampton Dec 08 56.10% 3,260 44,367 375 Collects all the waste produced at the Glorious Goodwood festival
61 International Tubular ServicesOilfield services provider Aberdeen Dec 08 55.23% 17,188 78,269 970 Has facilities in 25 locations across 16 countries
62 Caprice HoldingsRestaurant operator Central London Jun 09 54.32% 7,489 46,781 629 Owner Richard Caring is also behind London’s Harry’s Bar and Soho House
63 Les Taylor ContractorsCivil engineer and quarry operator Aberdeenshire Dec 08 53.82% 5,647 32,355 268 This Scottish company has diversified into many areas of civil engineering
64 Alfred H KnightCommodity assayer Merseyside Mar 09 53.75% 9,940 44,009 1,107 Provides sampling and analysis services to the metals and minerals industry
65 MaxximaRecruitment agency Essex Aug 09 53.32% 3,451 30,639 600 Recently launched a division that recruits hospital doctors
66 Currie & Warner GroupComponents manufacturer Birmingham Dec 08 53.26% 3,036 21,219 340 One of its subsidiaries can trace its origins to 1855
67 Tax Computer SystemsTax software developer Staines Dec 08 53.14% 3,981 9,272 52 Says 23 of the top 25 accountancy firms use its tax compliance software
68 Allam MarineGenerator/football club Hull Dec 08 52.95% 12,810 105,949 29 Has £40m worth of diesel generators available from stock
69 Harkand GroupOffshore services provider Aberdeen Sep 08 50.89% 12,828 87,626 472 Its submarines can operate at depths of more than 4km under the sea
70 ExheatElectrical heating equipment maker Norfolk Aug 08 50.70% 3,363 n/a 110 Exhibited its products in January at a trade show on Kish Island in Iran
71 Air EnergiRecruitment consultancy Manchester Dec 08 50.39% 5,882 113,745 110 Acquired a Papua New Guinea-based HR consultancy in January
72 JJ Food ServiceFood distributor Enfield Mar 09 49.88% 8,799 128,173 711 Claims to be sole frozen-food supplier to the House of Lords
73 SteepleElectrical goods distributor Bristol Dec 08 49.46% 3,509 28,693 127 Recently diversified into woodland conservation in America
74 Premier MedicalMedical opinion provider Shropshire Dec 08 49.12% 6,798 40,889 316 Claims to write 160,000 legal opinions each year
75 White StuffFashion retailer South London May 09 48.85% 10,367 58,433 811 Customers adopted 3,000 gnomes from window displays, raising £30,000 for charity
76 M-SportRacing car developer Cumbria Dec 08 48.84% 6,097 46,335 204 Runs the BP Ford Abu Dhabi World Rally Championship team
77 TSLBroadcasting systems integrator Maidenhead Jun 08 47.07% 4,281 28,170 43 Set up the system used for broadcasts from the Scottish parliament
78 United House GroupBuilding contractor Kent Dec 08 46.92% 7,643 150,288 450 Is refurbishing up to 80,000 properties under the Decent Homes initiative
79 Burhill Golf and LeisureGolf club operator Surrey Dec 08 46.75% 5,779 24,056 560 One of its clubs hosted a televised stage of the 2009 PGA Euro Pro tour
80 Reflex Vehicle SolutionsVehicle rental provider Middlesbrough Dec 08 46.63% 4,107 26,515 96 Stocks vehicles from marques including Mercedes Benz and Ford
81 Moody InternationalTechnical services provider West Sussex Dec 08 46.42% 32,263 249,232 4,796 Bought a Texas-based inspection services company in October 2009
82 Tangerine ConfectioneryConfectionery manufacturer Blackpool Dec 08 46.29% 4,859 131,006 1,235 Is now the largest British-owned manufacturer of confectionery
83 A4eOutsourced employment adviser Sheffield Mar 09 46.29% 8,199 146,390 2,900 Buys mopeds or finds dog walkers to enable people to get back to work
84 MavigaSpecialty crop supplier Kent May 09 45.77% 4,975 120,434 47 Supports causes including Shakespeare’s Globe Education programme
85 WeldexCrane hirer Inverness Nov 08 45.72% 10,297 27,500 116 Has invested more than £60m in new cranes since 2005
86 PoundlandDiscount retailer West Midlands Mar 09 45.59% 12,723 396,188 5,474 Recruited more than 200 former Woolworths staff
87 Precise Media GroupMedia intelligence provider Central London Sep 08 45.49% 5,166 26,080 367 Claims to work with most of the FTSE 100 companies
88 ITRS GroupFinancial software developer Central London Mar 09 44.35% 3,976 12,775 54 Is planning to open offices in Singapore and Chicago
89 Argus MediaEnergy information provider Central London Jun 09 44.07% 11,974 33,003 256 Clients range from BP to Goldman Sachs and PetroChina
90 The White CompanyHome accessories retailer West London Mar 09 43.96% 5,932 80,227 684 Sells upmarket household goods from fragranced candles to bedroom furniture
91 Survitec GroupSurvival equipment maker Central London Mar 09 43.94% 17,341 151,117 1,304 Its inflatable tents were used as makeshift hospitals after the Haiti earthquake
92 Butcher’s Pet CarePet food manufacturer Northamptonshire Jul 09 43.74% 5,351 65,175 198 Produces more than 190,000 cases of pet food a week
93 von Essen hotelsHotel and spa operator Bath Dec 08 43.71% 9,928 67,336 1,417 Its sister company von Essen Aviation acquired the London Heliport in 2007
94 RPVValve distributor Bury St Edmunds Jan 09 43.33% 17,428 34,721 32 The biggest valve it stocks weighs 11 tonnes
95 Capital Hair and BeautyHair products wholesaler Brighton Dec 08 42.96% 3,304 22,178 224 Has grown during the recession by allowing customers to place smaller orders
96 StanmorePlastering contractor Kent Mar 09 42.79% 4,431 40,792 92 Undertakes internal and external finishing projects in southeast England
97 London City AirportAirport operator East London Dec 08 42.56% 22,919 79,671 385 Is ideally placed for visitors jetting in for the London 2012 Olympics
98 Owen MumfordMedical device manufacturer Oxfordshire Sep 09 42.14% 15,306 59,630 561 Has recently celebrated making its billionth device
99 Petroleum ExpertsEngineering software developer Edinburgh Sep 08 41.87% 14,330 15,216 31 Winner of the Scottish Business of the Year Award in 2009
100 TessellaIT consultancy Oxfordshire Mar 09 41.70% 3,093 17,402 232 Is part of a team working on a $20m scientific archiving project in America