Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3405
Mikel Arteta (Arsenal) 2136
Marco Silva (Fulham) 1579
Eddie Howe (Newcastle United) 1449
Unai Emery (Aston Villa) 1091
Andoni Iraola (Bournemouth) 861
Daniel Farke (Leeds United) 846
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1579
Kieran McKenna (Ipswich Town) 1411
John Mousinho (Portsmouth) 1011
Nathan Jones (Charlton Athletic) 631
Chris Davies (Birmingham City) 508
Paul Heckingbottom (Preston North End) 433
Frank Lampard (Coventry City) 333
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1816
Dave Challinor (Stockport County) 1455
Richie Wellens (Leyton Orient) 1328
Johnnie Jackson (AFC Wimbledon) 1260
Gary Caldwell (Exeter City) 1099
Grant McCann (Doncaster Rovers) 899
Graham Alexander (Bradford City) 721
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6003
Andy Woodman (Bromley FC) 1673
Dean Brennan (Barnet) 1498
Paul Cook (Chesterfield) 1355
Lee Bell (Crewe Alexandra) 1088
Mat Sadler (Walsall) 922
Micky Mellon (Oldham Athletic) 745

  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)