Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3487
Mikel Arteta (Arsenal) 2218
Marco Silva (Fulham) 1661
Eddie Howe (Newcastle United) 1531
Unai Emery (Aston Villa) 1173
Andoni Iraola (Bournemouth) 943
Daniel Farke (Leeds United) 928
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1661
Kieran McKenna (Ipswich Town) 1493
John Mousinho (Portsmouth) 1093
Nathan Jones (Charlton Athletic) 713
Chris Davies (Birmingham City) 590
Paul Heckingbottom (Preston North End) 515
Frank Lampard (Coventry City) 415
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1898
Dave Challinor (Stockport County) 1537
Richie Wellens (Leyton Orient) 1410
Johnnie Jackson (AFC Wimbledon) 1342
Gary Caldwell (Exeter City) 1181
Grant McCann (Doncaster Rovers) 981
Graham Alexander (Bradford City) 803
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6085
Andy Woodman (Bromley FC) 1755
Dean Brennan (Barnet) 1580
Paul Cook (Chesterfield) 1437
Lee Bell (Crewe Alexandra) 1170
Mat Sadler (Walsall) 1004
Micky Mellon (Oldham Athletic) 827

  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)