On the M25 head for junction 23 and take the exit for London/A1. Follow signs for the A1 towards Central London all the way to Islington. Pass Angel tube station (on your left) and turn left at the next set of lights onto City Road. Total Systems is located on your right just after the second set of lights.
Alternatively, from the M1 heading south leave at junction 2 and follow signs for the A1 towards Central London (then as above).
The nearest underground station is Angel on the Northern Line.
On exiting the station, turn left and walk straight on for 50 metres, turn left at traffic lights onto City Road and continue past the cafe (on left), cross the road at the next set of lights and carry on down City Road. Total Systems are located in the 2nd townhouse on your right.
Routes 4, 19, 30, 38, 43, 56, 73, 153, 205, 214, 274, 341, 394
Nearest Airports are London City, Stansted and Heathrow.