Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3413
Mikel Arteta (Arsenal) 2144
Marco Silva (Fulham) 1587
Eddie Howe (Newcastle United) 1457
Unai Emery (Aston Villa) 1099
Andoni Iraola (Bournemouth) 869
Daniel Farke (Leeds United) 854
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1587
Kieran McKenna (Ipswich Town) 1419
John Mousinho (Portsmouth) 1019
Nathan Jones (Charlton Athletic) 639
Chris Davies (Birmingham City) 516
Paul Heckingbottom (Preston North End) 441
Frank Lampard (Coventry City) 341
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1824
Dave Challinor (Stockport County) 1463
Richie Wellens (Leyton Orient) 1336
Johnnie Jackson (AFC Wimbledon) 1268
Gary Caldwell (Exeter City) 1107
Grant McCann (Doncaster Rovers) 907
Graham Alexander (Bradford City) 729
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6011
Andy Woodman (Bromley FC) 1681
Dean Brennan (Barnet) 1506
Paul Cook (Chesterfield) 1363
Lee Bell (Crewe Alexandra) 1096
Mat Sadler (Walsall) 930
Micky Mellon (Oldham Athletic) 753

  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)