137 Mansfield Street, Sherwood, Nottingham NG5 4BD
Monday - Friday 08:30-17:00
+44 (0)115 969 3573

About Us

Established in 1968, by Donald Hugh Squire, D. H. Squire Consulting Engineers offers professional services and technical expertise for Mechanical and Electrical building services in the Construction Industry.

The company currently has over 150 years of combined knowledge in Mechanical and Electrical building services.

Over the past five decades D. H. Squire Consulting Engineers has been providing building services solutions to a broad-spectrum of clients in the following sectors:

The company provides Mechanical and Electrical building services design solutions for both New Build and Refurbishment projects, with contracts ranging from a few thousand pounds to several million pounds.

Learn more about the members of our team below.

D H Squire History

Mr Martin Hart successfully managed the Practice as sole Principal from 1985 until March 1996.

In April 1996, D H Squire Consulting Engineers became a Partnership with Mr Tony Harris and Mr Christopher Starr.

Jonathan Marriott became a Partner in April 2008 having worked for the Practice since 1986.

In April 2017 D H Squire Consulting Engineers changed from a Partnership to an LLP. Trading under D H Squire Consulting Engineers LLP

Each member manages their own team comprising of Mechanical and Electrical Design engineers and CAD operators working closely together to produce high standards of work to meet and exceed the client requirements.

In March 2018 Martin Hart retired from the LLP, but remains as an external consultant

D H Squire

The team is led by two designated members at present:

Mr Jonathan P Marriott – Designated Member

Mr Patrick McBennett – Designated Member

Retained as external consultant:
Mr Martin R Hart
BSc (Hons), C.Eng., F.I.Pt E


For further details please contact the office on 0115 969 5371 or alternatively email your CV to info@dhsquire.co.uk