Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3544
Mikel Arteta (Arsenal) 2275
Marco Silva (Fulham) 1718
Eddie Howe (Newcastle United) 1588
Unai Emery (Aston Villa) 1230
Andoni Iraola (Bournemouth) 1000
Daniel Farke (Leeds United) 985
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1718
Kieran McKenna (Ipswich Town) 1550
John Mousinho (Portsmouth) 1150
Nathan Jones (Charlton Athletic) 770
Chris Davies (Birmingham City) 647
Paul Heckingbottom (Preston North End) 572
Frank Lampard (Coventry City) 472
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1955
Dave Challinor (Stockport County) 1594
Richie Wellens (Leyton Orient) 1467
Johnnie Jackson (AFC Wimbledon) 1399
Grant McCann (Doncaster Rovers) 1038
Graham Alexander (Bradford City) 860
Michael Skubala (Lincoln City) 853
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6142
Andy Woodman (Bromley FC) 1812
Dean Brennan (Barnet) 1637
Paul Cook (Chesterfield) 1494
Lee Bell (Crewe Alexandra) 1227
Micky Mellon (Oldham Athletic) 884
David Artell (Grimsby Town) 839

  The longest managerial reign of all time in the English football league belongs to Fred Everiss, who was manager of West Bromwich Albion for over 45 years (from 1902 to 1948)