Four companies based in SE1 have been named among the recipients of the Queen's Awards for Industry 2011.
The awards are announced annually on the Queen's birthday, 21 April.
Solarcentury is based on Lower Marsh in Waterloo and employs 122 people. It received an innovation award for developing photovoltaic solar roof tiles and slates that are affordable and easy to install.
"Receiving the Queen's Award for our innovation is is a testament to Solarcentury's depth of experience in solar roofing and our ability to develop world-class products with our own in-house innovation team," says chief executive Derry Newman.
He added: "We believe we have now developed more solar products to replace building materials than anyone else, and we urge the Government not to restrict growth in the creation of these intelligent low carbon materials."
Other local winners include Fine and Rare Wines based at the Woolyard on Bermondsey Street, construction consultancy High-Point Rendel which has its UK base in Southwark Street and electronic money firm Ukash which is based in Tanner Street.
"I would like to thank all of our loyal clients for the part they played in our winning this most coveted award of which we are justly proud," said High-Point Rendel chief executive Kelvin Hingley.
"We look forward to continued success in the years to come."