| 1860 | Assistant engineer to William Wilson, Victoria Bridge (or Grosvenor Bridge or Pimlico Railway Bridge, now demolished) |
| 1861-69 | Assistant engineer to John Fowler, Metropolitan Railway (Paddington to Farringdon) and extensions |
| 1865-68 | Assistant engineer to John Fowler, Metropolitan District Railway |
| 1866 | Four-storey concrete warehouses |
| 1868 | Assistant engineer to John Fowler, St John's Wood Railway |
| 1869 | Becomes chief assistant to John Fowler |
| 1869-71 | Resident engineer, Metropolitan District Railway (Westminster to Mansion House) |
| 1870 | Becomes John Fowler's junior partner |
| 1875 | Becomes John Fowler's full partner |
| 1877-78 | Transport of Cleopatra's Needle |
| 1882-90 | Forth Rail Bridge with John Fowler (both are knighted) |
| 1886-90 | City & South London Railway with Sir John Fowler |
| 1886-91 | Chignecto Ship Railway, Nova Scotia (abandoned), with Sir John Fowler and Henry Ketchum |
| 1888-91 | Hudson River Tunnel with Sir John Fowler |
| 1891-92 | Bridge replacement and strengthening, London, Brighton & South Coast Railway |
| 1891-97 | Blackwall Road Tunnel with J.H. Greathead |
| 1892 | Wembley Park Tower (unfinished, demolished), jointly with A.D. Stewart |
| 1896-1908 | Central London Railway, consultant to J.H. Greathead and B. Mott |
| 1896-1906 | Baker Street & Waterloo Railway, consultant to W.R. Galbraith |
| 1998 | Sir John Fowler dies in November |
| 1898-1902 | Aswan Dam, Egypt (Aswan Low Dam) |
| 1898-1903 | Assiut Barrage, Egypt, consultant to Sir William Willcocks |
| 1899-1914 | King George Dock, Hull with Sir John Wolfe Barry, completed by A.C. Hurtzig and C.A. Brereton |
| 1904-08 | Raising the height of Aswan Dam |
| to 1907 | City & South London Railway extension to Euston |
| 1902-08 | Royal Edward Dock, Avonmouth with Sir John Wolfe Barry |
| 1905-08 | Jubilee (Walney) Bridge |
| 1907 | Sir Benjamin Baker dies on 19th May |