Consultants tracker
Date published

27 August 2019

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Consultants tracker

Date published

27 August 2019

First published

N/A

Price

Free

To assist with locating structural records and drawings, the consultants tracker helps trace firms that have been acquired, merged or have closed down.

Former practice names are listed alphabetically, generally without terms such as ‘& Partners' or ‘& Associates'. The list is not intended to give any information about past or present ownership and, by nature, can never be complete.

Please contact the Library with any suggestions for additions or corrections.

 

Former nameSubsequently
A B ConsultingSee Kenchington Ford
Acer GroupHyder Consulting (1996)
Adams Kara TaylorAcquired by White Young Green (2006), management buyout with Tyréns to form AKT II (2011)
Allott & LomaxBabtie (2000), retained name for some time, now Jacobs
Allott, C S & SonAllott & Lomax, then Babtie (2000), then Jacobs Babtie (2004)
Amec Foster WheelerBought by Wood Group (2017)
Andrews, Kent & StoneMerged with Anthony Ward partnership to become AKS Ward (2005)
Andrews, Walter CAndrews Associates
AnemosRWDI Anemos (2004)
Applied GeologyRust (a subsidiary of Rust International), then Rust Environmental, then Parsons Brinckerhoff
AspenWaterman Aspen
Atelier OneSMP Atelier One (1994, with Stephen Morley Partnership)
Atkins, W SBought by SNC-Lavalin (2017)
Babbé, DonBabbé McCathie Partnership (2014)
Babcock Water EngineeringEarth Tech Engineering (1998)
BabtieJacobs Babtie (2004), then Jacobs (2006)
Babtie Shaw & MortonBabtie (qv), then Jacobs Babtie (2004), Jacobs (2006)
Baguley, MauriceAcquired by Hurley Palmer Flatt (2000)
Baker and MottMott Macdonald
Baker and Shelford 
BalfourD Balfour, then Faber Maunsell
Barclay Dowdsmerged with JMP Consultants (1989)
Barry & Brunelsee Wolfe Barry
Barry & Lesliesee Wolfe Barry
Barry, A Jsee Wolfe Barry
Barry, A J, Cochranesee Wolfe Barry
Bateman, J FG H Hill (c1890)
Bay AssociatesAcquired by Supporta plc (2006), acquired by HLN Architects (2009)
Beattie WatkinsonDissolved 2010
Beer, A EBeers (1981)
BenaimAcquired by Scott Wilson (2008)
Berger, LouisAcquired by WSP (2018)
BertlinScott Wilson Kirkpatrick (late 1980s), initially as Scott Bertlin. Bertlin name disappeared c1995
Bettridge TurnerAcquired by Hyder (2006)
Bianco, J C 
Billington, Roy AssociatesMerged with T D Bingham (2005); T D Bingham merged with Nixon Davis to become Bingham Davis (2006)
Bingham BladesBingham 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 CotterellAcquired by Mott MacDonald (1998, former name retained for a while)
Bingham, T Dmerged with Nickson Davis to become Bingham Davis (2006)
Binnie & PartnersBinnie Black & Veatch (1995), then Black & Veatch (2003)
Birkett Stevens Colman PartnershipMerged with GHA Livigunn (2009, both retain name)
Blair, J FCrouch and Hogg (19th century)
Blyth & Blyth[Management takeover (2004)]
BMMK CotterellMerged with Bingham Blades to form Bingham Cotterell (1988), acquired by Mott MacDonald (1998)
Bobrowski, JanNRM Bobrowski (2004). NRM Bobrowski acquired by Capita Symonds to become Capita Bobrowski (2008)
Bolsover, RoyDissolved 1999
Bowden SillettTrain & Kemp (c. 2001)
Bradbrook ConsultingPurchased by Hurley Palmer Flatt (2016)
Bradshaw, Buckton and TongueWaterman BBT (1989)
Brakenridge & MillerMCMK, then ZMCK (1982)
Brand, FrederickBrand Leonard (1994)
Brett Associates, PeterAcquired by Stantec (2018)
Brierley Lovell PartnershipSeparated into Brierley & Co and AGL Consulting (1996)
Brimer & Martinsee Brimer, Andrews & Nachsen
Brimer, Andrews & NachsenMerged 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 & PartnersBMMK & 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 GloyensMerged with CCP to form HAP (2001), then HAC (2006)
Brooke, RichardTaken over by Mason Clark (2005)
Brown Crozier and WyattHumphries and Brown. A Caton Crozier left partnership in 1980
Brown, Kenneth and PartnersKB2 Consulting Civil and Structural Engineers LLP (2008)
Buchanan Consulting EngineersCapita (2005) but retains name
Buck, D VParkman Buck, then Parkman, then Mouchel Parkman
Building Performance GroupAcquired by BRE (2006)
BullenFaber Maunsell (2005)
Bunce, John Wincorporated into McKelvey Ellis (1986) (qv)
Bunyan MeyerCampbell Reith
Burgess AssociatesDissolved 2004
Burks GreenAcquired by RPS Group, now RPS Burks Green (2006)
Burns, T Fsee Posford Duvivier
Burrow, JohnBurrow Crocker, then DHV Consulting (c. 1991-2), then Aspen Burrow Crocker, then Waterman Burrow Crocker
Bush BoothDissolved 2006
Bylander WaddellLiquidation (1999), then Bylander 2000 Ltd (2000)
C & R Design LtdMerged with Alan McEwan Associates to become AMA Consulting (2014)
Cairns & BylesWSP Group plc (1988)
Caldwell Consulting EngineersWillis Caldwell Ltd (2004), then WCL St James
Cameron HoldsworthNickalls Roche McMahon (2003), then NRM Consultants
Cameron TaylorScott Wilson (2006)
Cameron Taylor BedfordCameron Taylor (2005), then Scott Wilson (2006)
Cameron Taylor BradyCameron Taylor (2005), then Scott Wilson (2006)
Cantor SeinukWSP Cantor Seinuk (2000)
Carl BroGrontmij (2007)
CCPMerged with Broad and Gloyens to form HAP (2001), then HAC (2006)
CetecWhite Young Green (2005)
CH2MPurchased by Jacobs (2017)
Chadwick & AssociatesCASE Consultants (1996)
Chapman, Smart & BarkerBarker Chapman (1984)
Christie, S PChristie & 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, MarcelBristol office became Clarke Bond Partnership (1986), then Clarke Bond Group (1999). Clarke, Nicholls, Marcel continues to operate under that name
Cole, C W AssociatesMerged 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, BrianThorburn Colquhoun (c. 1993-4?, with Thorburn), URS (1999), URS acquired by AECOM (2014)
Conisbee, Alan and AssociatesConisbee (2007)
ConsidereHLN Engineering (2013)
Coode BlizzardGraham Group (1994), WSP Group plc (1997)
Cook White PartnershipNickalls Roche McMahon (1998) then NRM Consultants
Cook, E JCostain
Cooper MacdonaldPractice dissolved (1993)
Cowan and LinnBlyth and Blyth (2006)
Crabtree MorrellBeers (1981)
Craddy & PartnerCraddy Pitchers (1999), then Craddy Pitchers Davidson (2006), now Craddys
Crocker, TrevorBurrow Crocker, then DHV Consulting (c. 1991-2)
Crockett & AssociateCivil Engineering Dynamics Ltd (1989)
Crouch & HoggCrouch Hogg Waterman, then (1997) Halcrow Waterman (structures) and Halcrow + Crouch (civil engineering)
Cuthbertson, R HCuthbertson Maunsell (1999), part of Balfour Maunsell, then FaberMaunsell, now Aecom
Dames & MooreURS
Davies, Richard AssociatesRobert Benaim
Davis LangdonBought by Aecom (2010)
De Leuw ChadwickDe Leuw Knight Piesold, now Pell Frishmann
Deakin Callardmerged 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 PartnershipDGP International, purchased by Scott Wilson (2006)
DGP InternationalPurchased by Scott Wilson (2006)
DHV Internationalcompany still active worldwide but UK office in liquidation
Dixon Hurstmerged with Redgrove & Kemp to form Dixon Hurst Kemp (1997)
DobbieBabtie (1990)
Dobbie, C HDobbie & Partners (mid 1980s), then Babtie Dobbie (1987), then Babtie (1990)
Donaldson AssociatesCOWI (2014), took COWI name in 2017
DonkinKennedy and Donkin
Doran, Dr I GDoran Consulting
Douglass, Lewis and Douglasssee Lewis Duvivier
Durley Hillmerged with Cameron Taylor Bedford to form Cameron Durley Consulting (1999)
Earley Campling LeeWhite Young
Elliott & BrownAcquired by Waldeck (2010)
Elms RookeGeoff Rooke now a director of the Terrell Group
Engineering GeologyAcer (1993), then Hyder (1996)
ERLMerged with ERM (1987)
Evans GrantEvans Grant Opus (2004), merged with Veryards Opus to form Opus International Consultants (2006)
Evans, WallaceBought by Welsh Water (1990), merged with Acer as Acer Wallace Evans (1993), then Hyder (1996)
Ewbankmerged with Preece Cardew & Rider to become Ewbank Preece (1983)
Ewbank PreeceMott MacDonald (1994)
Faber, OscarMerged with AECOM Maunsell (2001) to become FaberMaunsell, then AECOM FaberMaunsell, now AECOM
Ferguson McIlveenScott Wilson (2006), retains name
Flint & NeillMerged with COWI (2008), took COWI name in 2017
Fluid StructuresMerged with MLM (2016)
Flynn & RothwellDe Leuw Chadwick, De Leuw Knight Piesold, now Pell Frischmann
FMH Consultingacquired by SLR (2008)
Fordham JohnsCameron Taylor
Foster WheelerBought by Amec (2014); Amec Foster Wheeler bought by Wood Group (2017)
Fox, DouglasFreeman Fox
Freeman Foxmerged with John Taylor to form Acer Group (1987), then Hyder Consulting (1996)
Gathard BrookeBettridge Turner (2004)
GenivarMerged with WSP (2012), trading as WSP from 2013
Geotechnical ConsultantsWilkinson Assoiciates then part of Tony Gee & Partners (2003)
GHA LivigunnMerged with Birkett Stevens Colman Partnership (2009, both retain name)
Gibb, Sir AlexanderLaw Group (US), Jacobs Gibb (2001), Jacobs (2002), then Jacobs Babtie (2004)
GiffordPurchased by Ramboll (2011)
Gower AssociatesBabtie (1990s)
Graham GroupWSP Group plc (1997)
Graham, FrankGraham Group
Gray & HurstB L Hurst left partnership in 1910 (see Hurst, B L). C W Gray in practice until 1922.
Green, ErnestWhite Young Green (1997)
Gregory & AssociatesBCSP (1997)
GrontmijBought by Sweco (2015)
Grove ConsultantsTarmac Professional Services (TPS) (1995), then Carillion
Gunn & Colthartmerged with Leslie Plummer Associates (2005)
HAC (2006) 
Haiste GroupCarl Bro (1988), subsequently Grontmij
HalcrowPurchased by CH2M Hill (2011); CH2M purchased by Jacobs (2017)
Hallam, MichaelHallam, Alexander (1996), then Alexander Associates (2004)
Hannah, Reed 
HAP 
Harris & SutherlandBabtie Harris & Sutherland (1997), then Babtie, Jacobs Babtie (2004), Jacobs (2006)
Harris, A J & J DHarris and Sutherland (c1964) (qv)
Harris, E CAcquired by Arcadis (2011)
Haswell, CharlesHaswell Consulting, then (2005) taken in-house by Severn Trent
Hawksley, T and CAmalgamated 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 BarryAcer, then Hyder Consulting (1996)
Henderson, L NL N Henderson, Morgan (1978)
Hill, G HClosed down following 1984 Carsington Dam failure
HJTWSP Group plc (1999)
Holman, DavisMander, Raikes and Marshall (1986), then MRM
Howard HumphreysBrown & Root, Halliburton, Kellogg Brown & Root, now KBR
Hunt, AnthonyYRM Anthony Hunt, then Kendall, then SKM Anthony Hunts
Hunter and Dunn 
Hurst, B LB L Hurst & Peirce (1935), then Hurst Peirce & Malcolm (1947)
HusbandMott MacDonald
Hutchinson, George AssociatesMerged with Livingston Gunn to form GHA Livigunn
HyderAcquired by Arcadis (2014)
Infrastructure Design Group, British Rail (Glasgow)Scott Wilson Kirkpatrick (1995)
Ingram, L.V.Closed down (2005)
IrendcoHigh-Point Rendel
Jacobs BabtieJacobs (2006)
James, HaroldMerged 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 & PartnersAcquired by Kenchington Little (c1990), then WSP Group (1995)
Johnston, SinclairAcquired by ByrneLooby (2017)
Joynes PikeAcquired by Opus International Consultants (2008)
Kanthack, F EWLPU, then Knight Piesold (1990), then Pell Frischmann
Kara TaylorAdams Kara Taylor (1997)
Kenchington FordWSP Group plc (1993)
Kenchington LittleKenchington Ford (owned by A B Consulting), then WSP Group plc (1993)
Kennedy & DonkinRust (1994), then Parsons Brinckerhoff (1998)
Kinnear & GordonMerged with R H Cuthbertson (1991), then Cuthbertson Mausell (1999), part of Balfour Maunsell, then FaberMaunsell, now Aecom
Kirk McClure MortonRPS Kirk McClure Morton (2004)
Kirkpatrick, J ACarl Bro (1990)
KML ConsultingCarl Bro (1993)
Knight MorrishMorrish and Partners (1999)
Knight PiesoldPell Frischmann
Knowles. James RKnowles, then acquired by Hill International (2006)
Leonard & PartnersBrand Leonard (1985?)
Lewis & Lewissee Lewis and Duvivier
Lewis and DuvivierA.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 & HendersonBinnie, now Black & Veatch (2003)
Lowe & RodinMerged with Building Design Partnership (1970
Macdonald, F AW A Fairhurst (1963)
MacDonald, Sir M[urdoch] & PartnersMott MacDonald (1989, with Mott, Hay & Anderson)
Maddocks and LusherMaddocks, Lusher and Matthews (MLM) (1973)
Maggs & Keeblesee Brimer, Andrews & Nachsen
Mainline Railway Infrastructure Consultants, British Rail (Swindon)Scott Wilson Kirkpatrick (1995)
Malachi CullenWhite Young Green (2007)
Mander Structural DesignIntegral Structural Design (2005, with Pilotis)
Mander, G CMander, Raikes & Marshall (1973)
Mander, Raikes & MarshallMRM, then Rust (a subsidiary of Rust International), then Rust Environmental, now Parsons Brinckerhoff
Marsh, John Associatesmerged with Sinclair Johnston (1998)
Marshall, AlanFrank Graham, then Graham Group, then WSP Group plc (1997)
Massie ReidGoodson Associates (2014)
Matthew ConsultantsWalsh Group
Maunsell, GMaunsell, acquired by Aecom (2000), became FaberMaunsell (2001)
Maunsell, G AFounded 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 AssociatesBabbé McCathie Partnership (2014)
MCD ConsultWhite Young Green (2001)
McDowellsClosed down (1996)
McEwan, Alan, AssociatesAMA Consulting (2013)
McGregor AssociatesMcGregor McMahon
McKelvey Ellis PartnershipMerged with Keith Pearson Associates to become Pearson Ellis Partnership (1991), then PEP Ltd (1994), then PEP Civil & Structures Ltd (1996)
McKelvey, K KMcKelvey Ellis (1971) (qv)
McLellan, WilliamEstablished in 1927 when McLellan was a partner with Charles Merz in Merz and McLellan. He continued that association as he wanted a firm that could specialise in industrial work as opposed to the power generation and transmission work of Merz and McLellan. Merged with Morris and Sons (2004) and operates now as McLellans.
McMahon AssociatesNickalls Roche McMahon (1979) then NRM Consultants
MeikHalcrow
Mentor, a Cooper Macdonald geotechnical subsidiaryMentor
Merz & McLellanParsons Brinckerhoff (1994)
Metro ConsultingMouchel (2001)
Ministry of WorksUntil 1940 the Office of Works. Merged with the works branches of the armed services (1960s)and subsequently became the Property Services Agency (1972)
Mitchell, McFarlaneWhen the W V Zinn Practise splintered in 1969 the two senior partners, Jack Mitchell and Ian McFarlane formed their own practice Mitchell McFarlane and Partners. Hong Kong Office Mitchell, McFarlane, Brentnall & Partners (opened 1972) taken over by WSP Group (2000)
ModusSinclair Knight Merz (Europe) Ltd (1999)
Montgomery WatsonMerged with Harza Engineering Company to form Montgomery Watson Harza (2001), shortened to MWH (2003)
Montgomery, James MMerged 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 Associatesformed 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 PartnershipSMP Atelier One (1994, with Atelier One)
Morton, Brian A and PartnersThe Morton Partnership (1992)
Mott & HayMott, Hay and Anderson (1920)
Mott, Hay & AndersonMott MacDonald (1989, with Sir M[urdoch] MacDonald)
Mouchel, L GMouchel Parkman (2003), then Mouchel Group, sold to Kier (2015), Mouchel Consulting sold to WSP (2016)
MRMsee Mander, Raikes & Marshall
Mulholland & DohertyAcquired by Faber Maunsell (2008)
Nachshen, Crofts & LeggattNCL 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 Sonsalso known as HNS. Taken over by Dexion and relaunched as Newsum Timber Engineering (NTE)
Nickalls and Rocheacquired 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 DavisMerged with T D Bingham to become Bingham Davis (2006)
Nolan, John AssociatesAcquired by Erinaceous Group (2006), now Nolan Associates
Norman & DawbarnCapita Norman + Dawbarn (2005)
NorthcroftAcquired by Capita Symonds (2012)
NRM ConsultantsNRM Bobrowski (2004). NRM Bobrowski acquired by Capita Symonds to become Capita Bobrowski (2008). See Nickalls and Roche
OspreyOsprey Mott MacDonald
ParkmanMouchel Parkman (2003), now Mouchel Group
Parsons BrinckerhoffAcquired by Balfour Beatty (2009), sold to WSP Group (2014)
Parsons, Brownnow part of WSP Group
Parsons, Brown and Newtonnow part of Mott MacDonald
Pattisson, JohnEvans Grant Opus (2004)
Pearlstone Gilbey Cole PartnershipMerged with A F Roessler & Associates to become PGC-Roessler Partnership. Purchased by PGCS Partnership (2008)
Pearlstone Gilbey PartnershipMerged 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)
Pearson, Keith AssociatesMerged with McKelvey Ellis & Partners to become Pearson Ellis Partnership (1991), then PEP Ltd (1994), then PEP Civil & Structures Ltd (1996)
Peel and FowlerScott Wilson (2002)
Pell, C JPell Frischmann
PencolPenspen Group
Peter Brett Associates (2014) 
PettitMott MacDonald Pettit (2006)
PGC-Roessler PartnershipPurchased by PGCS Partnership (2008)
PilotisIntegral Structural Design (2005, with Mander Structural Design)
Posford DuvivierA.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 PavryIncorporated 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 & Ridermerged with Ewbank to become Ewbank Preece (1983)
Property Services Agency (PSA)Set up in 1972. Privatised in 1989 and split into the three divisions - PSA Projects, PSA Building Management and PSA International. PSA Projects acquired by Tarmac Construction (now Carillion) as TBV Consult (1992) and renamed TPS (1998)
Pryke, JohnHLN (2012)
PSA ProjectsAcquired by Tarmac Construction (now Carillion) as TBV Consult (1992) and renamed TPS (1998)
Radford, W HIncorporated into Posford, Pavry and Partners (1983)
Redgrove & Kempmerged with Dixon Hurst Partnership to form Dixon Hurst Kemp (1997)
Rendel Palmer & TrittonHigh-Point Rendel (1995)
Rendel Palmer & Tritton (Scotland)High-Point Rendel, then Cadogan Consulting (1997)
Roessler, A F & AssociatesMerged with Pearlstone Gilby Cole Partnership to become PGC-Roessler Partnership. Purchased by PGCS Partnership (2008)
Rofe Kennard & LapworthArup
Roscoe, Edward AssociatesCapita Roscoe (1999)
Ross SilcockBabtie (2001)
Roughton & FentonAcer, then Hyder Consulting (1996) [not to be confused with Roughton Group]
Roxburgh AssociatesMerged with Will Rudd Associates to form Will Rudd Roxburgh (2000)
RT-Wchanged name to Structural & Civil Consultants (1998)
Rudd, DonaldWSP Group plc (1990)
Safier, Armand 
Sale, WilliamAcer (1989), then Hyder (1996)
Sampsonacquired by W A Fairhurst (1997)
Saunders, William & PartnersWilliam Saunders Partnership (c1990), then William Saunders Partnership LLP (2004). Also trades as WSP, not to be confused with WSP Group plc
Scott WilsonBought by URS (2010), URS bought by Aecom (2014)
Scott Wilson KirkpatrickScott Wilson
Severn, KennethHalcrow Severn (1993)
Sinclair Knight Merz (SKM)Acquired by Jacobs (2013)
Sloma, The, PartnershipRobert 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)
Snow, Sir FrederickMerged with Athens-based Associated Consulting Engineers (1991), acquired oil and gas consultants IMEG (2003)
Stevenson, RobertR Stevenson & Son, then T & A Stevenson, then D Stevenson, then D A Stevenson (wound up c1960)
Stroyer & AdcockActive 1913-1986
Sturrock, J CAcquired by Hannah-Reed (2007)
SweettAcquired by Currie & Brown (2016)
Tanner, John A & PartnersTanner Sadler Partnership (c1990), dissolved (1994), then Tanners (until 1999)
Taylor, Johnmerged with with Freeman Fox to form Acer Group (1987), then Hyder Consulting (1996)
Taylor, R G, HodgkinsonTaylor, R G (1978)
TBV Consult - PSA ConsultNow part of Carillion
ThorburnThorburn Colquhoun (c1993-4, with Colquhoun), URS (1999)
Tietz, S BBriefly in partnership as Cadogan Tietz (c1996-1999); still operates, also as Tietz Management Ltd (TML)
Tilney SimmonsWhite Young Green (1999)
Trant Brown and HumphreysHoward Humphreys
Travers Morgan, R and PartnersTravers Morgan Ltd (late 1980s), then Symonds Travers Morgan (1995), then Capita Symonds (early 2000s)
Turner, Peter & AssociatesJohn Pryke (2005)
TweedsAcquired by White Young Green (2006)
Underwood & ManderExisted 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 N1946-1949, then Underwood & Mander (1949-1959), then E N Underwood & Partners (ceased trading 1976)
URSAcquired by Aecom (2014)
VeryardsVeryards Opus (2005), merged with Evans Grant Opus to form Opus International Consultants (2006)
Walker, BrianBeers
Wallace EvansAcer, then Hyder Consulting (1996)
Walton, Jon Associatesformed 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 Ashcroft ParkmanParkman, then Mouchel Parkman
Ward, AnthonyMerged with Andrews, Kent and Stone to become AKS Ward (2005)
Ward, John & PartnersBeers
Ward, R.D. 
Warnock, J CWhite Young Green Ireland (2006)
Warren and Partnerstaken over by R.H. Cuthbertson, now Aecom
Waterman GroupAcquired by CTI Engineering (2017)
Waterman, H LWaterman Partnership (1986), then Waterman Group, Acquired by CTI Engineering (2017)
Waters, A H S and PartnersAcquired by Mott, Hay & Anderson (1985)
Watson HawksleyMerged 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 MAmalgamated 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 & PartnersCharles Weiss Partnership (1986), then Ernest Green, then White Young Green (1997)
Whitby BirdRamboll WhitbyBird (2007), then Ramboll UK (2009)
White YoungWhite Young Green
White, Robertsee Wolfe Barry
White, Sir Bruce, Wolfe Barrysee Wolfe Barry
Wilkinson AssociatesBecame part of Tony Gee & Partners (2003)
William Sale PartnershipWSP Group plc (1993)
Williams, OwenAcquired by Amey (2006), name no longer used (2008)
Williamson, JamesFormed in 1947, dissolved and merged with Mott MacDonald (1989)
Willis & PartnersWillis Caldwell (2004), then WCL St James
Willis CaldwellWCL St James
Willis, SeptimusDissolved (c1980)
WimpeyInterchange with Tarmac, became Carillion
WLPUKnight Piesold (1990)
Wolfe BarryJohn 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 WarrenRPS Woods Warren (2003), then RPS Design (2005)
WSPbought by Genivar (2012)
Yorkshire Water EngineeringBabcock Water Engineering (1991), then Earth Tech Engineering (1998)
Zinn, W V AssociatesBill Zinn retired in 1969 with the regional offices going their own ways - two senior partners, Jack Mitchell and Ian McFarlane formed their own practice Mitchell McFarlane and Partners; 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 GreenZMG 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, SimonZukas Magasiner Green, then ZMCK (1982)

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