Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3458
Mikel Arteta (Arsenal) 2189
Marco Silva (Fulham) 1632
Eddie Howe (Newcastle United) 1502
Unai Emery (Aston Villa) 1144
Andoni Iraola (Bournemouth) 914
Daniel Farke (Leeds United) 899
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1632
Kieran McKenna (Ipswich Town) 1464
John Mousinho (Portsmouth) 1064
Nathan Jones (Charlton Athletic) 684
Chris Davies (Birmingham City) 561
Paul Heckingbottom (Preston North End) 486
Frank Lampard (Coventry City) 386
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1869
Dave Challinor (Stockport County) 1508
Richie Wellens (Leyton Orient) 1381
Johnnie Jackson (AFC Wimbledon) 1313
Gary Caldwell (Exeter City) 1152
Grant McCann (Doncaster Rovers) 952
Graham Alexander (Bradford City) 774
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6056
Andy Woodman (Bromley FC) 1726
Dean Brennan (Barnet) 1551
Paul Cook (Chesterfield) 1408
Lee Bell (Crewe Alexandra) 1141
Mat Sadler (Walsall) 975
Micky Mellon (Oldham Athletic) 798

  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)