As much or as little as you have. A starting point might be a grandparent's name and approximate birth date, or a family story about where someone came from. I'll review what you share and let you know what research is possible before any work begins.

It depends on the records that survive for your family. Most English and Welsh families can be traced back to the early 1800s, and often into the 1700s where parish records survive. Scottish and Irish research can reach similar periods where records exist.

It varies with the scope of the project and what records survive. A single family line usually takes a few weeks, while larger projects take longer. I'll give you an estimated timescale with your quote

A GEDCOM is a universal file format for family trees. It lets you import your researched tree into most genealogy software and websites, so you can keep building it yourself in future.

Yes. The standard service is digital, but family tree charts can be professionally printed on request. The cost depends on chart size and complexity, and printed binders or copies of the research can also be quoted separately if you'd like.

Digitally. You receive a researched family tree, a GEDCOM file, digital copies of the records discovered, and folders organised for each individual - labelled with full name, date of birth and date of death (left blank if the person is still living).