To start with the work, 4 steps have to be fulfilled which are typical of this industry and which are non-negotiable.
1 > We receive the formal signed proposal (preferably by electronic signature).
2 > We send the first invoice and you make the first payment in advance (10% of the total) to certify the order and reserve the timetable for its execution.
3 > One week before the agreed date for the start of the work, we receive all the project information (not a part and later the rest) and we will check it to certify that it is complete.
4 > We send the second invoice and you make the second payment in advance (40% of the total) to start the work on the agreed date.
We will then start the work.