Consultants tracker

The list will never be complete but if you can supply the IStructE with any additional or corrected information we would be very grateful. Please contact Rob Thomas, Manager, Library and Information Services.
(use CTRL + F to search the table and see notes at foot of table for further information)
 
Former practice Subsequently
A B Consulting See Kenchington Ford
Acer Group Hyder Consulting (1996)
Adams Kara Taylor Acquired by White Young Green (2006), management buyout with Tyréns to form AKT II (2011)
Allott & Lomax Babtie (2000), retained name for some time
Allott, C S & Son Allott & Lomax, then Babtie (2000), then Jacobs Babtie (2004)
Andrews, Kent & Stone Merged with Anthony Ward partnership to become AKS Ward (2005)
Andrews, Walter C Andrews Associates
Anemos RWDI Anemos (2004)
Applied Geology Rust (a subsidiary of Rust International), then Rust Environmental, then Parsons Brinckerhoff
Aspen Waterman Aspen
Atelier One SMP Atelier One (1994, with Stephen Morley Partnership)
Babbé, Don Babbé McCathie Partnership (2014)
Babcock Water Engineering Earth Tech Engineering (1998)
Babtie Jacobs Babtie (2004), then Jacobs (2006)
Babtie Shaw & Morton Babtie (qv), then Jacobs Babtie (2004), Jacobs (2006)
Baguley, Maurice & Partners Hurley Palmer Flatt (c. 2004?)
Baker and Mott Mott Macdonald
Baker and Shelford  
Balfour D Balfour, then Faber Maunsell
Barclay Dowds merged with JMP Consultants (1989)
Barry & Brunel see Wolfe Barry
Barry & Leslie see Wolfe Barry
Barry, A J see Wolfe Barry
Barry, A J, Cochrane see Wolfe Barry
Bateman, J F G H Hill (c1890)
Bay Associates Acquired by Supporta plc (2006)
Beattie Watkinson Dissolved 2010
Beer, A E & Partners Beers (1981)
Benaim Acquired by Scott Wilson (2008)
Bertlin Scott Wilson Kirkpatrick (late 1980s), initially as Scott Bertlin. Bertlin name disappeared c1995
Bettridge Turner Acquired by Hyder (2006)
Bianco, J C  
Billington, Roy Associates Merged with T D Bingham (2005); T D Bingham merged with Nixon Davis to become Bingham Davis (2006)
Bingham Blades Bingham Hall O'Hanlon (the Welsh offices, 1981), then Bingham Hall Partnership; Bingham Yates ( Edinburgh office (1978). Merged with BMMK Cotterell to form Bingham Cotterell (1988), acquired by Mott MacDonald (1998)
Bingham Cotterell Acquired by Mott MacDonald (1998, former name retained for a while)
Bingham, T D merged with Nickson Davis to become Bingham Davis (2006)
Binnie & Partners Binnie Black & Veatch (1995), then Black & Veatch (2003)
Birkett Stevens Colman Partnership Merged with GHA Livigunn (2009, both retain name)
Blair, J F Crouch and Hogg (19th century)
Blyth & Blyth [Management takeover (2004)]
BMMK Cotterell Merged with Bingham Blades to form Bingham Cotterell (1988), acquired by Mott MacDonald (1998)
Bobrowski, Jan NRM Bobrowski (2004). NRM Bobrowski acquired by Capita Symonds to become Capita Bobrowski (2008)
Bolsover, Roy Dissolved 1999
Bowden Sillett Train & Kemp (c. 2001)
Bradshaw, Buckton and Tongue Waterman BBT (1989)
Brakenridge & Miller MCMK, then ZMCK (1982)
Brand, Frederick Brand Leonard (1994)
Brierley Lovell Partnership Separated into Brierley & Co and AGL Consulting (1996)
Brimer & Martin see Brimer, Andrews & Nachsen
Brimer, Andrews & Nachsen Merged with Brimer & Martin and Maggs and Keeble to form Brimer, Martin, Maggs, Keeble and Partners (1962), BMMK & Partners merged with A P I Cotterell & Son to form BMMK Cotterell (1981), merged with Bingham Blades to form Bingham Cotterell (1988), acquired by Mott MacDonald (1998)
Brimer, Martin, Maggs, Keeble & Partners BMMK & Partners, merged with A P I Cotterell & Son to form BMMK Cotterell (1981), merged with Bingham Blades to form Bingham Cotterell (1988), acquired by Mott MacDonald (1998)
Broad and Gloyens Merged with CCP to form HAP (2001), then HAC (2006)
Brooke, Richard Taken over by Mason Clark (2005)
Brown Crozier and Wyatt Humphries and Brown. A Caton Crozier left partnership in 1980
Brown, Kenneth and Partners KB2 Consulting Civil and Structural Engineers LLP (2008)
Buchanan Consulting Engineers Capita (2005) but retains name
Buck, D V Parkman Buck, then Parkman, then Mouchel Parkman
Building Performance Group Acquired by BRE (2006)
Bullen Faber Maunsell (2005)
Bunce, John W incorporated into McKelvey Ellis (1986) (qv)
Bunyan Meyer Campbell Reith
Burgess Associates Dissolved 2004
Burks Green Acquired by RPS Group, now RPS Burks Green (2006)
Burns, T F see Posford Duvivier
Burrow, John Burrow Crocker, then DHV Consulting (c. 1991-2), then Aspen Burrow Crocker, then Waterman Burrow Crocker
Bush Booth Dissolved 2006
Bylander Waddell Liquidation (1999), then Bylander 2000 Ltd (2000)
C & R Design Ltd Merged with Alan McEwan Associates to become AMA Consulting (2014)
Cairns & Byles WSP Group plc (1988)
Caldwell Consulting Engineers Willis Caldwell Ltd (2004), then WCL St James
Cameron Holdsworth Nickalls Roche McMahon (2003), then NRM Consultants
Cameron Taylor Scott Wilson (2006)
Cameron Taylor Bedford Cameron Taylor (2005), then Scott Wilson (2006)
Cameron Taylor Brady Cameron Taylor (2005), then Scott Wilson (2006)
Cantor Seinuk WSP Cantor Seinuk (2000)
Carl Bro Grontmij (2007)
CCP Merged with Broad and Gloyens to form HAP (2001), then HAC (2006)
Cetec White Young Green (2005)
Chadwick & Associates CASE Consultants (1996)
Chapman, Smart & Barker Barker Chapman (1984)
Christie, S P Christie & Partners
Civil Engineering Design Group, British Rail ( York ) CEDG York Ltd, (1995, within British Steel)
Civil Engineering Design, British Rail (Croydon) Atkins ? (1995-6?)
Clarke, Nicholls, Marcel Bristol office became Clarke Bond Partnership (1986), then Clarke Bond Group (1999). Clarke, Nicholls, Marcel continues to operate under that name
Cole, C W Associates Merged with Pearlstone Gilbey Partnership to form Pearlstone Gilby Cole Partnership which merged with A F Roessler & Associates to become PGC-Roessler Partnership. Purchased by PGCS Partnership (2008)
Colquhoun, Brian Thorburn Colquhoun (c. 1993-4?, with Thorburn), URS (1999)
Conisbee, Alan and Associates Conisbee (2007)
Coode Blizzard Graham Group (1994), WSP Group plc (1997)
Cook White Partnership Nickalls Roche McMahon (1998) then NRM Consultants
Cook, E J Costain
Cooper Macdonald Practice dissolved (1993)
Cowan and Linn Blyth and Blyth (2006)
Crabtree Morrell Beers (1981)
Craddy & Partner Craddy Pitchers (1999), then Craddy Pitchers Davidson (2006)
Crocker, Trevor Burrow Crocker, then DHV Consulting (c. 1991-2)
Crockett & Associate Civil Engineering Dynamics Ltd (1989)
Crouch & Hogg Crouch Hogg Waterman, then (1997) Halcrow Waterman (structures) and Halcrow + Crouch (civil engineering)
Cuthbertson, R H Cuthbertson Maunsell (1999), part of Balfour Maunsell, then FaberMaunsell, now Aecom
Dames & Moore URS
Davies, Richard Associates Robert Benaim
De Leuw Chadwick De Leuw Knight Piesold, now Pell Frishmann
Deakin Callard merged with Jon Walton Associates to form Deakin Walton (1999). Scottish office of Deakin Callard sold to the incumbent partner and relaunched as Goodson Associates. Deakin Walton acquired by the Clarke Bond Group (2008) and relaunched as Clarke Bond (2010)
Design & Construction Unit, British Rail (Birmingham) Owen Williams (1995)
Design Group Partnership DGP International, purchased by Scott Wilson (2006)
DGP International Purchased by Scott Wilson (2006)
DHV International company still active worldwide but UK office in liquidation
Dixon Hurst merged with Redgrove & Kemp to form Dixon Hurst Kemp (1997)
Dobbie Babtie (1990)
Dobbie, C H Dobbie & Partners (mid 1980s), then Babtie Dobbie (1987), then Babtie (1990)
Donkin Kennedy and Donkin
Doran, Dr I G Doran Consulting
Douglass, Lewis and Douglass see Lewis Duvivier
Durley Hill merged with Cameron Taylor Bedford to form Cameron Durley Consulting (1999)
Earley Campling Lee White Young
Elliott & Brown Acquired by Waldeck (2010)
Elms Rooke Geoff Rooke now a director of the Terrell Group
Engineering Geology Acer (1993), then Hyder (1996)
ERL Merged with ERM (1987)
Evans Grant Evans Grant Opus (2004), merged with Veryards Opus to form Opus International Consultants (2006)
Evans, Wallace Bought by Welsh Water (1990), merged with Acer as Acer Wallace Evans (1993), then Hyder (1996)
Ewbank merged with Preece Cardew & Rider to become Ewbank Preece (1983)
Ewbank Preece Mott MacDonald (1994)
Faber, Oscar Merged with AECOM Maunsell (2001) to become FaberMaunsell, then AECOM FaberMaunsell, now AECOM
Ferguson McIlveen Scott Wilson (2006), retains name
Flint & Neill Merged with COWI (2008)
Flynn & Rothwell De Leuw Chadwick, De Leuw Knight Piesold, now Pell Frischmann
FMH Consulting acquired by SLR (2008)
Fordham Johns Cameron Taylor
Fox, Douglas Freeman Fox
Freeman Fox merged with John Taylor to form Acer Group (1987), then Hyder Consulting (1996)
Gathard Brooke Bettridge Turner (2004)
Geotechnical Consultants Wilkinson Assoiciates then part of Tony Gee & Partners (2003)
GHA Livigunn Merged with Birkett Stevens Colman Partnership (2009, both retain name)
Gibb, Sir Alexander Law Group (US), Jacobs Gibb (2001), Jacobs (2002), then Jacobs Babtie (2004)
Gifford Purchased by Ramboll (2011)
Gower Associates Babtie (1990s)
Graham Group WSP Group plc (1997)
Graham, Frank Graham Group
Gray & Hurst B L Hurst left partnership in 1910 (see Hurst, B L). C W Gray in practice until 1922.
Green, Ernest White Young Green (1997)
Gregory & Associates BCSP (1997)
Grove Consultants Tarmac Professional Services (TPS) (1995), then Carillion
Gunn & Colthart merged with Leslie Plummer Associates (2005)
Haiste Group Carl Bro (1988), subsequently Grontmij
Halcrow Purchased by CH2M Hill (2011)
Hallam, Michael Hallam, Alexander (1996), then Alexander Associates (2004)

Hannah, Reed

Peter Brett Associates (2014)

HAP

HAC (2006)
Harris & Sutherland Babtie Harris & Sutherland (1997), then Babtie, Jacobs Babtie (2004), Jacobs (2006)
Harris, A J & J D Harris and Sutherland (c1964) (qv)
Harris, E C Acquired by Arcadis (2011)
Haswell, Charles Haswell Consulting, then (2005) taken in-house by Severn Trent
Hawksley, T and C Amalgamated with J D and D M Watson to form Watson Hawksley (1978), merged with James M. Montgomery to form Montgomery Watson (1990), merged with Harza Engineering Company to form Montgomery Watson Harza (2001), shortened to MWH (2003)
Hay Barry Acer, then Hyder Consulting (1996)
Henderson, L N L N Henderson, Morgan (1978)
Hill, G H Closed down following 1984 Carsington Dam failure
HJT WSP Group plc (1999)
Holman, Davis Mander, Raikes and Marshall (1986), then MRM
Howard Humphreys Brown & Root, Halliburton, Kellogg Brown & Root, now KBR
Hunt, Anthony YRM Anthony Hunt, then Kendall, then SKM Anthony Hunts
Hunter and Dunn  
Hurst, B L B L Hurst & Peirce (1935), then Hurst Peirce & Malcolm (1947)
Husband Mott MacDonald
Hutchinson, George Associates Merged with Livingston Gunn to form GHA Livigunn
Hyder Acquired by Arcadis (2014)
Infrastructure Design Group, British Rail (Glasgow) Scott Wilson Kirkpatrick (1995)
Ingram, L.V. Closed down (2005)
Irendco High-Point Rendel
Jacobs Babtie Jacobs (2006)
James, Harold Merged with T A Millard (2005)
James, R T (London office) Owen Williams (1996), now Amey (2006)
James, R T (Newcastle upon Tyne office) WSP Group plc (1995)
James-Carrington & Partners Acquired by Kenchington Little (c1990), then WSP Group (1995)
Joynes Pike Acquired by Opus International Consultants (2008)
Kanthack, F E WLPU, then Knight Piesold (1990), then Pell Frischmann
Kara Taylor Adams Kara Taylor (1997)
Kenchington Ford WSP Group plc (1993)
Kenchington Little Kenchington Ford (owned by A B Consulting), then WSP Group plc (1993)
Kennedy & Donkin Rust (1994), then Parsons Brinckerhoff (1998)
Kinnear & Gordon Merged with R H Cuthbertson (1991), then Cuthbertson Mausell (1999), part of Balfour Maunsell, then FaberMaunsell, now Aecom
Kirk McClure Morton RPS Kirk McClure Morton (2004)
Kirkpatrick, J A Carl Bro (1990)
KML Consulting Carl Bro (1993)
Knight Morrish Morrish and Partners (1999)
Knight Piesold Pell Frischmann
Knowles. James R Knowles, then acquired by Hill International (2006)
Leonard & Partners Brand Leonard (1985?)
Lewis & Lewis see Lewis and Duvivier
Lewis and Duvivier A.W. Lewis was the last assistant of William Tregarthen Douglass, son of the lighthouse engineer Sir James Nicholas Douglass. When W.T. Douglass died his son Cuthbert became head of the firm in partnership with Lewis to become Douglass, Lewis & Douglass (1914). When Cuthbert was killed in WW1 the firm became Lewis & Lewis (1918), then Lewis & Duvivier (1942). It merged with Posford Pavry to form Posford Duvivier (1987), incorporated T F Burns and Partners (1992) and was acquired by Royal Haskoning (1994), becoming Posford Haskoning (2001) then Royal Haskoning (2005)
Livesey & Henderson Binnie, now Black & Veatch (2003)
Lowe & Rodin Merged with Building Design Partnership (1970
Macdonald, F A W A Fairhurst (1963)
MacDonald, Sir M[urdoch] & Partners Mott MacDonald (1989, with Mott, Hay & Anderson)
Maggs & Keeble see Brimer, Andrews & Nachsen
Mainline Railway Infrastructure Consultants, British Rail (Swindon) Scott Wilson Kirkpatrick (1995)
Malachi Cullen White Young Green (2007)
Mander Structural Design Integral Structural Design (2005, with Pilotis)
Mander, G C Mander, Raikes & Marshall (1973)
Mander, Raikes & Marshall MRM, then Rust (a subsidiary of Rust International), then Rust Environmental, now Parsons Brinckerhoff
Marsh, John Associates merged with Sinclair Johnston (1998)
Marshall, Alan Frank Graham, then Graham Group, then WSP Group plc (1997)
Massie Reid Goodson Associates (2014)
Matthew Consultants Walsh Group
Maunsell, G Maunsell, acquired by Aecom (2000), became FaberMaunsell (2001)
Maunsell, G A Founded by Guy Maunsell and John Posford (early 1940s), then Maunsell, Posford and Pavry (1949). Firm split to form Posford Pavry and Partners (1955), incorporated W H Radford & Son (1983), merged with Lewis and Duvivier to form Posford Duvivier (1987), incorporated T F Burns and Partners (1992), acquired by Royal Haskoning (1994), Posford Haskoning (2001), Royal Haskoning (2005)
McCathie Associates Babbé McCathie Partnership (2014)
MCD Consult White Young Green (2001)
McDowells Closed down (1996)
McEwan, Alan
Associates
AMA Consulting (2013)
McKelvey Ellis Partnership Merged with Keith Pearson Associates to become Pearson Ellis Partnership (1991), then PEP Ltd (1994), then PEP Civil & Structures Ltd (1996)
McKelvey, K K McKelvey Ellis (1971) (qv)
McMahon Associates Nickalls Roche McMahon (1979) then NRM Consultants
Meik Halcrow
Mentor, a Cooper Macdonald geotechnical subsidiary Mentor
Merz & McLellan Parsons Brinckerhoff (1994)
Metro Consulting Mouchel (2001)
Mitchell, McFarlane In liquidation. Hong Kong Office Mitchell, McFarlane, Brentnall & Partners taken over by WSP Group plc (2000)
Modus Sinclair Knight Merz (Europe) Ltd (1999)
Montgomery Watson Merged with Harza Engineering Company to form Montgomery Watson Harza (2001), shortened to MWH (2003)
Montgomery, James M Merged with Watson Hawksley to form Montgomery Watson (1990), merged with Harza Engineering Company to form Montgomery Watson Harza (2001), shortened to MWH (2003)
Moorehead Clancy Associates formed 1969, separated (1972) to form Brian Moorehead & Partners and Brian Clancy Partnership, then Clancy Consulting (2000). Brian Moorehead & Partners ceased trading 1992, the Manchester office becoming Consultants BMP, then Modus, then Sinclair Knight Merz (Europe) Ltd (1999), the London Office becoming BMP Consulting Engineers (dissolved 1993), then R & H Moorehead (1992), then Ramboll Moorehead (dissolved 2005)
Morley, Stephen Partnership SMP Atelier One (1994, with Atelier One)
Morton, Brian A and Partners The Morton Partnership (1992)
Mott & Hay Mott, Hay and Anderson (1920)
Mott, Hay & Anderson Mott MacDonald (1989, with Sir M[urdoch] MacDonald)
Mouchel, L G Mouchel Parkman (2003), now Mouchel Group
MRM see Mander, Raikes & Marshall
Mulholland & Doherty Acquired by Faber Maunsell (2008)
Nachshen, Crofts & Leggatt NCL Consulting Engineers, then Project Engineering Partnership, NCL Stewart Scott Ltd, then NCL St James Ltd (part of St James Consultants), then St James Lovell Partnership (closed down 2007). Information available from Pinfold Consulting.
Newsum, H and Sons also known as HNS. Taken over by Dexion and relaunched as Newsum Timber Engineering (NTE)
Nickalls and Roche acquired McMahon Associates (1979), Cook White Partnership (1998) and Cameron Holdsworth (2003) to become Nickalls Roche McMahon and then NRM Consultants. Merged with Jan Bobrowski to become NRM Bobrowski (2004). NRM Bobrowski acquired by Capita Symonds to become Capita Bobrowski (2008)
Nickson Davis Merged with T D Bingham to become Bingham Davis (2006)
Nolan, John Associates Acquired by Erinaceous Group (2006), now Nolan Associates
Norman & Dawbarn Capita Norman + Dawbarn (2005)
Northcroft Acquired by Capita Symonds (2012)
NRM Consultants NRM Bobrowski (2004). NRM Bobrowski acquired by Capita Symonds to become Capita Bobrowski (2008). See Nickalls and Roche
Osprey Osprey Mott MacDonald
Parkman Mouchel Parkman (2003), now Mouchel Group
Parsons, Brown now part of WSP Group
Parsons, Brown and Newton now part of Mott MacDonald
Parsons Brinckerhoff Acquired by Balfour Beatty (2009), sold to WSP Group (2014)
Pattisson, John Evans Grant Opus (2004)
Pearlstone Gilbey Partnership Merged with C W Cole Associates to form Pearlstone Gilby Cole Partnership which merged with A F Roessler & Associates to become PGC-Roessler Partnership. Purchased by PGCS Partnership (2008)
Pealstone Gilbey Cole Partnership Merged with A F Roessler & Associates to become PGC-Roessler Partnership. Purchased by PGCS Partnership (2008)
Pearson, Keith Associates Merged with McKelvey Ellis & Partners to become Pearson Ellis Partnership (1991), then PEP Ltd (1994), then PEP Civil & Structures Ltd (1996)
Peel and Fowler Scott Wilson (2002)
Pell, C J Pell Frischmann
Pencol Penspen Group
Pettit Mott MacDonald Pettit (2006)
PGC-Roessler Partnership Purchased by PGCS Partnership (2008)
Pilotis Integral Structural Design (2005, with Mander Structural Design)
Posford Duvivier A.W. Lewis was the last assistant of William Tregarthen Douglass, son of the lighthouse engineer Sir James Nicholas Douglass. When W.T. Douglass died his son Cuthbert became head of the firm in partnership with Lewis to become Douglass, Lewis & Douglass (1914). When Cuthbert was killed in WW1 the firm became Lewis & Lewis (1918), then Lewis & Duvivier (1942). It merged with Posford Pavry to form Posford Duvivier (1987), incorporated T F Burns and Partners (1992) and was acquired by Royal Haskoning (1994), becoming Posford Haskoning (2001) then Royal Haskoning (2005)
Posford Pavry Incorporated W H Radford & Son (1983), merged with Lewis and Duvivier to form Posford Duvivier (1987), incorporated T F Burns and Partners (1992), acquired by Royal Haskoning (1994), Posford Haskoning (2001), Royal Haskoning (2005)
Preece Cardew & Rider merged with Ewbank to become Ewbank Preece (1983)
Property Services Agency / PSA Consult TPS Consult, now part of Carillion
PSA Projects TBV Consult under Tarmac Professional Services (TPS, 1992))
Radford, W H Incorporated into Posford, Pavry and Partners (1983)
Redgrove & Kemp merged with Dixon Hurst Partnership to form Dixon Hurst Kemp (1997)
Rendel Palmer & Tritton High-Point Rendel (1995)
Rendel Palmer & Tritton (Scotland) High-Point Rendel, then Cadogan Consulting (1997)
Roessler, A F & Associates Merged with Pearlstone Gilby Cole Partnership to become PGC-Roessler Partnership. Purchased by PGCS Partnership (2008)
Rofe Kennard & Lapworth Arup
Roscoe, Edward Associates Capita Roscoe (1999)
Ross Silcock Babtie (2001)
Roughton & Fenton Acer, then Hyder Consulting (1996) [not to be confused with Roughton Group]
Roxburgh Associates Merged with Will Rudd Associates to form Will Rudd Roxburgh (2000)
RT-W changed name to Structural & Civil Consultants (1998)
Rudd, Donald WSP Group plc (1990)
Safier, Armand

Sale, William
Acer (1989), then Hyder (1996)

See William Sale Partnership
Sampson acquired by W A Fairhurst (1997)
Saunders, William & Partners William Saunders Partnership (c1990), then William Saunders Partnership LLP (2004). Also trades as WSP, not to be confused with WSP Group plc
Scott Wilson URS/Scott Wilson (2010)
Scott Wilson Kirkpatrick Scott Wilson
Severn, Kenneth Halcrow Severn (1993)
The Sloma Partnership Robert Sloma died in 1996. His partner Alan McEwan continued the practice as Alan McEwan Associates, merged with C & R Design Ltd to become AMA Consulting (2014) 
Sinclair Knight Merz (SKM) Acquired by Jacobs (2013)
Snow, Sir Frederick Merged with Athens-based Associated Consulting Engineers (1991), acquired oil and gas consultants IMEG (2003)
Stevenson, Robert R Stevenson & Son, then T & A Stevenson, then D Stevenson, then D A Stevenson (wound up c1960)
Stroyer & Adcock Active 1913-1986
Sturrock, J C Acquired by Hannah-Reed (2007)
Sweett Aquired by WSP (2016)
Tanner, John A & Partners Tanner Sadler Partnership (c1990), dissolved (1994), then Tanners (until 1999)
Taylor, John merged with with Freeman Fox to form Acer Group (1987), then Hyder Consulting (1996)
Taylor, R G, Hodgkinson Taylor, R G (1978)
TBV Consult - PSA Consult Now part of Carillion
Thorburn Thorburn Colquhoun (c1993-4, with Colquhoun), URS (1999)
Tietz, S B Briefly in partnership as Cadogan Tietz (c1996-1999); still operates, also as Tietz Management Ltd (TML)
Tilney Simmons White Young Green (1999)
Trant Brown and Humphreys Howard Humphreys
Travers Morgan, R and Partners Travers Morgan Ltd (late 1980s), then Symonds Travers Morgan (1995), then Capita Symonds (early 2000s)
Turner, Peter & Associates John Pryke (2005)
Tweeds Acquired by White Young Green (2006)
Underwood & Mander Existed from 1949-1959, separated into E N Underwood & Partners (1959-1976) and G C Mander (1959-1973); D C Mander founded in 2000
Underwood, E N 1946-1949, then Underwood & Mander (1949-1959), then E N Underwood & Partners (ceased trading 1976)
URS To be acquired by AECOM (October 2014)
Veryards Veryards Opus (2005), merged with Evans Grant Opus to form Opus International Consultants (2006)
Walker, Brian Beers
Wallace Evans Acer, then Hyder Consulting (1996)
Walton, Jon Associates formed 1969, merged with Deakin Callard to become Deakin Walton (1999). Walton Garden & Partners formed (1980), the Scottish office of John Walton Associates, incorporated into Walton Garden Ltd (2003), owned by Goodson Associates
Ward (John) & Partners Beers
Ward Ashcroft Parkman Parkman, then Mouchel Parkman
Ward, Anthony Merged with Andrews, Kent and Stone to become AKS Ward (2005)
Ward, R.D.  
Warnock, J C White Young Green Ireland (2006)
Warren and Partners taken over by R.H. Cuthbertson, now Aecom
Waterman, H L Waterman Partnership (1986), now Waterman Group
Waters, A H S and Partners Acquired by Mott, Hay & Anderson (1985)
Watson Hawksley Merged with James M. Montgomery to form Montgomery Watson (1990), merged with Harza Engineering Company to form Montgomery Watson Harza (2001), shortened to MWH (2003)
Watson, J D and D M Amalgamated with T and C Hawksley to form Watson Hawksley (1978), merged with James M. Montgomery to form Montgomery Watson (1990), merged with Harza Engineering Company to form Montgomery Watson Harza (2001), shortened to MWH (2003)
Weiss, Charles & Partners Charles Weiss Partnership (1986), then Ernest Green, then White Young Green (1997)
Whitby Bird Ramboll WhitbyBird (2007), then Ramboll UK (2009)
White Young White Young Green
White, Robert see Wolfe Barry
White, Sir Bruce, Wolfe Barry see Wolfe Barry
Wilkinson Associates Became part of Tony Gee & Partners (2003)
William Sale Partnership WSP Group plc (1993)
Williams, Owen Acquired by Amey (2006), name no longer used (2008)
Williamson, James Formed in 1947, dissolved and merged with Mott MacDonald (1989)
Willis & Partners Willis Caldwell (2004), then WCL St James
Willis Caldwell WCL St James
Willis, Septimus Dissolved (c1980)
Wimpey Interchange with Tarmac, became Carillion
WLPU Knight Piesold (1990)
Wolfe Barry John Wolfe Barry and Henry Brunel in practice as Barry and Brunel (1878). Sir George Barclay Bruce and Robert White set up as partners (1888). John Wolfe Barry’s nephew A.J. Barry and Bradford Leslie in partnership as Barry and Leslie (1901), becoming A.J. Barry and Partners (1906). Sir George Barclay Bruce dies and Robert White continues alone (1908) until Robert White takes his son Bruce White and Cyril Hitchcock into partnership as Robert White and Partners (1919). Robert White and Partners amalgamate with John Wolfe Barry and Partners to become Wolfe Barry, Robert White and Partners (1941). After A.J. Barry dies, J.A. Cochrane continues as the sole principal of A.J. Barry, Cochrane and Partners (1944). Following the war the above firms merge to become Sir Bruce White, Wolfe Barry and Partners until a merger with Acer Consultants to become Acer Sir Bruce White (1991), then Welsh Water (1993), then Hyder (1996)
Woods Warren RPS Woods Warren (2003), then RPS Design (2005)
WSP bought by Genivar (2012)
Yorkshire Water Engineering Babcock Water Engineering (1991), then Earth Tech Engineering (1998)
Zinn, W V Associates Bill Zinn retired in 1969 with the regional offices going their own ways - W V Zinn & Partners for Birmingham area projects (c1970), Manchester office became Deakin Callard (1969), Scottish office became Zinn Hunter, then Woolgar Hunter (c1971), remainder to Cooper Macdonald & Partners (dissolved c1993)
Zukas Magasiner Green ZMG Consulting Engineers, Zukas Magasiner Green, Zukus Magasiner Green Lewin, Zukus Magasiner Coppen, Zukas and Magasiner and AS Magasiner were all transferred to Sir M MacDonald and Partners (1987), then Mott MacDonald (1989). ZMCK formed in 1982 by a merger of ZMG and MCMK Consulting Engineers.
Zukas, Simon Zukas Magasiner Green, then ZMCK (1982)
 
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