Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3421
Mikel Arteta (Arsenal) 2152
Marco Silva (Fulham) 1595
Eddie Howe (Newcastle United) 1465
Unai Emery (Aston Villa) 1107
Andoni Iraola (Bournemouth) 877
Daniel Farke (Leeds United) 862
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1595
Kieran McKenna (Ipswich Town) 1427
John Mousinho (Portsmouth) 1027
Nathan Jones (Charlton Athletic) 647
Chris Davies (Birmingham City) 524
Paul Heckingbottom (Preston North End) 449
Frank Lampard (Coventry City) 349
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1832
Dave Challinor (Stockport County) 1471
Richie Wellens (Leyton Orient) 1344
Johnnie Jackson (AFC Wimbledon) 1276
Gary Caldwell (Exeter City) 1115
Grant McCann (Doncaster Rovers) 915
Graham Alexander (Bradford City) 737
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6019
Andy Woodman (Bromley FC) 1689
Dean Brennan (Barnet) 1514
Paul Cook (Chesterfield) 1371
Lee Bell (Crewe Alexandra) 1104
Mat Sadler (Walsall) 938
Micky Mellon (Oldham Athletic) 761

  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)