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The firm.

Accountants, tax advisers and planners in Madrid and London since 1987, working from one file for clients with a foot in each country.

The year in figuresTwelve months to 30 September 2026

412 businesses keep their books with us. 5,380 filings made on time. 16 advisers, 2 offices, one file.

Filings made on time, by quarter

Every return, payroll run and annual account we filed for clients, counted in the quarter it was due.

MadridLondon
Filings made on time, by quarterQ4 24: Madrid 690, London 488; Q1 25: Madrid 742, London 532; Q2 25: Madrid 701, London 551; Q3 25: Madrid 758, London 540; Q4 25: Madrid 724, London 566; Q1 26: Madrid 801, London 603; Q2 26: Madrid 768, London 577; Q3 26: Madrid 812, London 595.0300600900Q4 24 Madrid: 690Q4 24 London: 488Q4 24Q1 25 Madrid: 742Q1 25 London: 532Q1 25Q2 25 Madrid: 701Q2 25 London: 551Q2 25Q3 25 Madrid: 758Q3 25 London: 540Q3 25Q4 25 Madrid: 724Q4 25 London: 566Q4 25Q1 26 Madrid: 801Q1 26 London: 603Q1 26Q2 26 Madrid: 768Q2 26 London: 577Q2 26Q3 26 Madrid: 812Q3 26 London: 595Q3 26

Source: practice register · Q4 2024 to Q3 2026

Madrid

Calle de Almagro 26 · since 1987

9 advisers
A Madrid apartment building with iron balconies and shutters

London

38 Great Sutton Street · since 2005

7 advisers
A brick street of Georgian houses in London on a clear day
1

Who signs your accounts.

A named lead adviser for every client, with a registration you can check on their page.

Marta Lozano

Marta Lozano

Managing partner
Office
Madrid
Credentials
Economist · Auditor
Languages
ES · EN
Círculo de Economistas no. 0000 · Consejo de Auditores no. 00000
Check
Thomas Ferris

Thomas Ferris

Partner
Office
London
Credentials
Chartered accountant · Tax adviser
Languages
EN · ES
Guild of Chartered Accountants no. 0000000 · Chartered Tax Circle no. 000000
Check
Priya Raman

Priya Raman

Payroll and bookkeeping lead
Office
London
Credentials
Certified accountant
Languages
EN · ES
Society of Certified Accountants no. 0000000
Check
Javier Ruiz de Aza

Javier Ruiz de Aza

Tax manager
Office
Madrid
Credentials
Tax adviser
Languages
ES · EN · FR
Foro de Asesores Fiscales no. 0000
Check
Meet the team
“One team, one monthly report, two countries. I stopped chasing two accountants.”
Note 8Daniel K., director of a logistics company

Example testimonial. Replace with a client’s own words, with their written consent.

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Tell us what you need to file.

We reply within one working day. Writing to us commits you to nothing.

Madrid

Calle de Almagro 26, 4.º
28010 Madrid · Mon–Fri, 9:00–18:00

+34 910 000 000

London

38 Great Sutton Street
London EC1V 0DX · Mon–Fri, 9:00–18:00

+44 20 7946 0321

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