Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3406
Mikel Arteta (Arsenal) 2137
Marco Silva (Fulham) 1580
Eddie Howe (Newcastle United) 1450
Unai Emery (Aston Villa) 1092
Andoni Iraola (Bournemouth) 862
Daniel Farke (Leeds United) 847
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1580
Kieran McKenna (Ipswich Town) 1412
John Mousinho (Portsmouth) 1012
Nathan Jones (Charlton Athletic) 632
Chris Davies (Birmingham City) 509
Paul Heckingbottom (Preston North End) 434
Frank Lampard (Coventry City) 334
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1817
Dave Challinor (Stockport County) 1456
Richie Wellens (Leyton Orient) 1329
Johnnie Jackson (AFC Wimbledon) 1261
Gary Caldwell (Exeter City) 1100
Grant McCann (Doncaster Rovers) 900
Graham Alexander (Bradford City) 722
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6004
Andy Woodman (Bromley FC) 1674
Dean Brennan (Barnet) 1499
Paul Cook (Chesterfield) 1356
Lee Bell (Crewe Alexandra) 1089
Mat Sadler (Walsall) 923
Micky Mellon (Oldham Athletic) 746

  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)