I have researched into more than 50 families, listed below are a few of the larger projects I have undertaken.

The biggest project I am currently working on is cataloguing all the Spracklen's (including other spellings such as Sprackling and Sprackland) in the England BMD and UK census records to see how many lines can be traced back into Dorset.

Wimbledon Family Tree
[Wimbledon :: Brown :: Gurnham :: Nice]
Surrey & Essex

Smith Family Tree
[Smith :: Hitchcock :: Lane]
Hertfordshire, Buckinghamshire & Suffolk

Simmins Family Tree
[Simmins :: Eddolls :: Philipson :: Jeffrey]
Sussex, Hampshire, Wiltshire, Lincolnshire, Gloucestershire, Middlesex, Staffordshire...

Sackett Family Tree
[Sackett :: Binnie :: Suett :: Hamshere]
Middlesex & Kent

Rosenthal Family Tree
[Rosenthal :: Robinson :: Meeres :: Wickersham]
Middlesex, Lincolnshire, Sussex & Prussia

Parish Family Tree
[Parish :: Martin :: Brown :: Staples]
Essex & Middlesex

Offill Family Tree
[Offill :: Stannard :: Bickham :: Heath]
Essex & Middlesex

Meadows Family Tree
[Meadows :: Collings :: Chappell :: Oatham]
Worcestershire, Kent & Middlesex

Mahoney Family Tree
[Mahoney :: Squibb :: Clark :: Humm]
Middlesex & Surrey

Lester Family Tree
[Lester :: Croxford :: Bulbeck :: Gillett]
Middlesex

Harvey Family Tree
[Harvey :: Bowley :: Deacon :: Hobson]
Essex & Sussex

Goodwin Family Tree
[Goodwin :: Dove :: Kelly :: Needham]
West Yorkshire

Garwood Family Tree
[Garwood :: Moody :: Attridge :: Wyatt]
Essex & Suffolk

Du Cros Family Tree
[Du Cros :: Attewell :: Tipton :: Hodgson]
Still under research, I have only traced the Du Crow name so far.
Ireland

Davey Family Tree
[Davey :: Croucher :: Gimson :: Beynon]
Essex, Kent, Middlesex, Hampshire, Pembrokeshire & Devon

Coombes Family Tree
[Coombes :: Schlette :: Moffat :: Hudson]
Middlesex

Cleverley Family Tree
[Cleverley :: Poolman :: Bennett :: Walbridge]
Somerset, Wiltshire & Dorset

Button Family Tree
[Button :: Pacy :: Thomson :: Hood]
Lincolnshire, Yorkshire, Fifeshire & Perthshire

Brown Family Tree
[Brown :: McGregor :: Lumsden :: McKenzie]
Perthshire