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Our company offers London based data conversion and recovery services, specialising in magnetic tape, cartridge, LTO and DLT. But we can migrate, duplicate, replicate, transcribe and copy virtually any data format.

Established in 1984, we have been providing the highest levels of service in data conversion, media recovery and tape duplication for the last 34 years.

We're the conversion bureau most UK (and even some European and U.S.) bureaus sub-contract their difficult work to, specialising in challenging formats like VAX VMS (and OpenVMS) backup, AS/400 SAVLIB and SAVOBJ, corrupted .bkf files, variable-length packed decimal, and dates stored in proprietary binary structures. We've reverse-engineered literally dozens of obscure and difficult formats other bureaus have failed to crack.

Contact us for professional, impartial advice — no matter how large or small your project.

Please talk to us first- you'll save a lot of time, aggravation and money

In 1984 A L Downloading Services started trading in the back of a shop on the Portobello Road in West London, beginning with a few diskettes. Within three years the company had become the largest conversion bureau in the country.

Advanced Downloading Ltd started trading in 1992, concentrating on difficult conversion tasks requiring reverse-engineering of data formats and bespoke programming. In June 2005 Advanced Downloading acquired A L Downloading's conversion business, becoming the UK market leader in tape conversion, recovery, duplication and migration.

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I am very pleased with everything your company did... I can't believe how quickly you converted so many VMS backup saveset tapes to Windows DVDs

...we have decided to go with you as your customer service so far has been impeccable.... thank you for converting our last batch of 3590E cartridges

Your team really pulled out the stops and the client was elated with the result...an entire AS/400 business database converted over a weekend - we couldn't find anyone else who would even attempt it

…I very much appreciate the effort put in by your team, another job well done... the only bureau in Britain we could find who would convert 3570 catridges to AIT at a sensible price

… I have to say what a pleasure it has been to work with you, and I am most grateful for the time, care and attention you have given this project. We were unable to find a single company in the UK who could convert from our old Irwin tapes